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    The Amazon Web Services SDK for Java provides Java APIs for building software on AWS' cost-effective, scalable, and reliable infrastructure products. The AWS Java SDK allows developers to code against APIs for all of Amazon's infrastructure web services (Amazon S3, Amazon EC2, Amazon SQS, Amazon Relational Database Service, Amazon AutoScaling, etc).

    The newest version!
    /*
 * Copyright 2010-2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 * 
 *  http://aws.amazon.com/apache2.0
 * 
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */
package com.amazonaws.services.simpleworkflow;

import com.amazonaws.*;
import com.amazonaws.regions.*;
import com.amazonaws.services.simpleworkflow.model.*;

/**
 * Interface for accessing AmazonSimpleWorkflow.
 * Amazon Simple Workflow Service 
    
 * The Amazon Simple Workflow Service API Reference is intended for
 * programmers who need detailed information about the Amazon SWF actions
 * and data types.
 * 
    
 * 
    
 * For an broader overview of the Amazon SWF programming model, please
 * go to the
 *  Amazon SWF Developer Guide 
 * .
 * 
    
 * 
    
 * This section provides an overview of Amazon SWF actions.
 * 
    
 * 
    
 * Action Categories
 * 
    
 * 
    
 * The Amazon SWF actions can be grouped into the following major
 * categories.
 * 
    
 * 
 * 
      
 * 
    •  
      
 * Actions related to Activities
 * 
      
 * 
      • 
 * 
    •  
      
 * Actions related to Deciders
 * 
      
 * 
      • 
 * 
    •  
      
 * Actions related to Workflow Executions
 * 
      
 * 
      • 
 * 
    •  
      
 * Actions related to Administration
 * 
      
 * 
      • 
 * 
    •  
      
 * Actions related to Visibility
 * 
      
 * 
      • 
 * 
 * 
    
 * 
    
 * Actions related to Activities
 * 
    
 * 
    
 * The following are actions that are performed by activity workers:
 * 
    
 * 
 * 
      
 * 
    •  
      
 * PollForActivityTask
 * 
      
 * 
      • 
 * 
    •  
      
 * RespondActivityTaskCompleted
 * 
      
 * 
      • 
 * 
    •  
      
 * RespondActivityTaskFailed
 * 
      
 * 
      • 
 * 
    •  
      
 * RespondActivityTaskCanceled
 * 
      
 * 
      • 
 * 
    •  
      
 * RecordActivityTaskHeartbeat
 * 
      
 * 
      • 
 * 
 * 
    
 * 
    
 * Activity workers use the PollForActivityTask to get new activity
 * tasks. After a worker receives an activity task from Amazon SWF, it
 * performs the task and responds using RespondActivityTaskCompleted if
 * successful or RespondActivityTaskFailed if unsuccessful.
 * 
    
 * 
    
 * Actions related to Deciders
 * 
    
 * 
    
 * The following are actions that are performed by deciders:
 * 
    
 * 
 * 
      
 * 
    •  
      
 * PollForDecisionTask
 * 
      
 * 
      • 
 * 
    •  
      
 * RespondDecisionTaskCompleted
 * 
      
 * 
      • 
 * 
 * 
    
 * 
    
 * Deciders use PollForDecisionTask to get decision tasks. After a
 * decider receives a decision task from Amazon SWF, it examines its
 * workflow execution history and decides what to do next. It calls
 * RespondDecisionTaskCompletedto complete the decision task and provide
 * zero or more next decisions.
 * 
    
 * 
    
 * Actions related to Workflow Executions
 * 
    
 * 
    
 * The following actions operate on a workflow execution:
 * 
    
 * 
 * 
      
 * 
    •  
      
 * RequestCancelWorkflowExecution
 * 
      
 * 
      • 
 * 
    •  
      
 * StartWorkflowExecution
 * 
      
 * 
      • 
 * 
    •  
      
 * SignalWorkflowExecution
 * 
      
 * 
      • 
 * 
    •  
      
 * TerminateWorkflowExecution
 * 
      
 * 
      • 
 * 
 * 
    
 * 
    
 * Actions related to Administration
 * 
    
 * 
    
 * Although you can perform administrative tasks from the Amazon SWF
 * console, you can use the actions in this section to automate functions
 * or build your own administrative tools.
 * 
    
 * 
    
 * Activity Management
 * 
    
 * 
 * 
      
 * 
    •  
      
 * RegisterActivityType
 * 
      
 * 
      • 
 * 
    •  
      
 * DeprecateActivityType
 * 
      
 * 
      • 
 * 
 * 
    
 * 
    
 * Workflow Management
 * 
    
 * 
 * 
      
 * 
    •  
      
 * RegisterWorkflowType
 * 
      
 * 
      • 
 * 
    •  
      
 * DeprecateWorkflowType
 * 
      
 * 
      • 
 * 
 * 
    
 * 
    
 * Domain Management
 * 
    
 * 
 * 
      
 * 
    •  
      
 * RegisterDomain
 * 
      
 * 
      • 
 * 
    •  
      
 * DeprecateDomain
 * 
      
 * 
      • 
 * 
 * 
    
 * 
    
 * Workflow Execution Management
 * 
    
 * 
 * 
      
 * 
    •  
      
 * RequestCancelWorkflowExecution
 * 
      
 * 
      • 
 * 
    •  
      
 * TerminateWorkflowExecution
 * 
      
 * 
      • 
 * 
 * 
    
 * 
    
 * Visibility Actions
 * 
    
 * 
    
 * Although you can perform visibility actions from the Amazon SWF
 * console, you can use the actions in this section to build your own
 * console or administrative tools.
 * 
    
 * 
 * 
      
 * 
 * 
    
 * 
    
 * Activity Visibility
 * 
    
 * 
 * 
      
 * 
    •  
      
 * ListActivityTypes
 * 
      
 * 
      • 
 * 
    •  
      
 * DescribeActivity
 * 
      
 * 
      • 
 * 
 * 
    
 * 
    
 * Workflow Visibility
 * 
    
 * 
 * 
      
 * 
    •  
      
 * ListWorkflowTypes
 * 
      
 * 
      • 
 * 
    •  
      
 * DescribeWorkflowType
 * 
      
 * 
      • 
 * 
 * 
    
 * 
    
 * Workflow Execution Visibility
 * 
    
 * 
 * 
      
 * 
    •  
      
 * DescribeWorkflowExecution
 * 
      
 * 
      • 
 * 
    •  
      
 * ListOpenWorkflowExecutions
 * 
      
 * 
      • 
 * 
    •  
      
 * ListClosedWorkflowExecutions
 * 
      
 * 
      • 
 * 
    •  
      
 * CountOpenWorkflowExecutions
 * 
      
 * 
      • 
 * 
    •  
      
 * CountClosedWorkflowExecutions
 * 
      
 * 
      • 
 * 
    •  
      
 * GetWorkflowExecutionHistory
 * 
      
 * 
      • 
 * 
 * 
    
 * 
    
 * Domain Visibility
 * 
    
 * 
 * 
      
 * 
    •  
      
 * ListDomains
 * 
      
 * 
      • 
 * 
    •  
      
 * DescribeDomain
 * 
      
 * 
      • 
 * 
 * 
    
 * 
    
 * Task List Visibility
 * 
    
 * 
 * 
      
 * 
    •  
      
 * CountPendingActivityTasks
 * 
      
 * 
      • 
 * 
    •  
      
 * CountPendingDecisionTasks
 * 
      
 * 
      • 
 * 
 * 
    
 */
public interface AmazonSimpleWorkflow {

    /**
     * Overrides the default endpoint for this client ("https://swf.us-east-1.amazonaws.com").
     * Callers can use this method to control which AWS region they want to work with.
     * 
    
     * Callers can pass in just the endpoint (ex: "swf.us-east-1.amazonaws.com") or a full
     * URL, including the protocol (ex: "https://swf.us-east-1.amazonaws.com"). If the
     * protocol is not specified here, the default protocol from this client's
     * {@link ClientConfiguration} will be used, which by default is HTTPS.
     * 
    
     * For more information on using AWS regions with the AWS SDK for Java, and
     * a complete list of all available endpoints for all AWS services, see:
     * 
     * http://developer.amazonwebservices.com/connect/entry.jspa?externalID=3912
     * 
    
     * This method is not threadsafe. An endpoint should be configured when the
     * client is created and before any service requests are made. Changing it
     * afterwards creates inevitable race conditions for any service requests in
     * transit or retrying.
     *
     * @param endpoint
     *            The endpoint (ex: "swf.us-east-1.amazonaws.com") or a full URL,
     *            including the protocol (ex: "https://swf.us-east-1.amazonaws.com") of
     *            the region specific AWS endpoint this client will communicate
     *            with.
     *
     * @throws IllegalArgumentException
     *             If any problems are detected with the specified endpoint.
     */
    public void setEndpoint(String endpoint) throws java.lang.IllegalArgumentException;

    /**
     * An alternative to {@link AmazonSimpleWorkflow#setEndpoint(String)}, sets the
     * regional endpoint for this client's service calls. Callers can use this
     * method to control which AWS region they want to work with.
     * 
    
     * By default, all service endpoints in all regions use the https protocol.
     * To use http instead, specify it in the {@link ClientConfiguration}
     * supplied at construction.
     * 
    
     * This method is not threadsafe. A region should be configured when the
     * client is created and before any service requests are made. Changing it
     * afterwards creates inevitable race conditions for any service requests in
     * transit or retrying.
     *
     * @param region
     *            The region this client will communicate with. See
     *            {@link Region#getRegion(com.amazonaws.regions.Regions)} for
     *            accessing a given region.
     * @throws java.lang.IllegalArgumentException
     *             If the given region is null, or if this service isn't
     *             available in the given region. See
     *             {@link Region#isServiceSupported(String)}
     * @see Region#getRegion(com.amazonaws.regions.Regions)
     * @see Region#createClient(Class, com.amazonaws.auth.AWSCredentialsProvider, ClientConfiguration)
     */
    public void setRegion(Region region) throws java.lang.IllegalArgumentException;
    
    /**
     * 
    
     * Deprecates the specified workflow type . After a workflow type
     * has been deprecated, you cannot create new executions of that type.
     * Executions that were started before the type was deprecated will
     * continue to run. A deprecated workflow type may still be used when
     * calling visibility actions.
     * 
    
     * 
    
     * NOTE: This operation is eventually consistent. The results are
     * best effort and may not exactly reflect recent updates and changes.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • Constrain the following parameters by using a
     * Condition element with the appropriate keys.
     * 
        
     * 
      •  workflowType.name : String constraint. The key is
     * swf:workflowType.name .
        • 
     * 
      •  workflowType.version : String constraint. The key
     * is swf:workflowType.version .
        • 
     * 
     * 
      
     * 
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param deprecateWorkflowTypeRequest Container for the necessary
     *           parameters to execute the DeprecateWorkflowType service method on
     *           AmazonSimpleWorkflow.
     * 
     * 
     * @throws TypeDeprecatedException
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public void deprecateWorkflowType(DeprecateWorkflowTypeRequest deprecateWorkflowTypeRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Deprecates the specified domain. After a domain has been deprecated
     * it cannot be used to create new workflow executions or register new
     * types. However, you can still use visibility actions on this domain.
     * Deprecating a domain also deprecates all activity and workflow types
     * registered in the domain. Executions that were started before the
     * domain was deprecated will continue to run.
     * 
    
     * 
    
     * NOTE: This operation is eventually consistent. The results are
     * best effort and may not exactly reflect recent updates and changes.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • You cannot use an IAM policy to constrain this action's
     * parameters.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param deprecateDomainRequest Container for the necessary parameters
     *           to execute the DeprecateDomain service method on AmazonSimpleWorkflow.
     * 
     * 
     * @throws DomainDeprecatedException
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public void deprecateDomain(DeprecateDomainRequest deprecateDomainRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Registers a new workflow type and its configuration settings
     * in the specified domain.
     * 
    
     * 
    
     * The retention period for the workflow history is set by the
     * RegisterDomain action.
     * 
    
     * 
    
     * IMPORTANT: If the type already exists, then a TypeAlreadyExists
     * fault is returned. You cannot change the configuration settings of a
     * workflow type once it is registered and it must be registered as a new
     * version.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • Constrain the following parameters by using a
     * Condition element with the appropriate keys.
     * 
        
     * 
      •  defaultTaskList : String constraint. The key is
     * swf:defaultTaskList.name .
        • 
     * 
      •  name : String constraint. The key is
     * swf:name .
        • 
     * 
      •  version : String constraint. The key is
     * swf:version .
        • 
     * 
     * 
      
     * 
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param registerWorkflowTypeRequest Container for the necessary
     *           parameters to execute the RegisterWorkflowType service method on
     *           AmazonSimpleWorkflow.
     * 
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     * @throws TypeAlreadyExistsException
     * @throws LimitExceededException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public void registerWorkflowType(RegisterWorkflowTypeRequest registerWorkflowTypeRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Returns information about workflow types in the specified domain. The
     * results may be split into multiple pages that can be retrieved by
     * making the call repeatedly.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • You cannot use an IAM policy to constrain this action's
     * parameters.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param listWorkflowTypesRequest Container for the necessary parameters
     *           to execute the ListWorkflowTypes service method on
     *           AmazonSimpleWorkflow.
     * 
     * @return The response from the ListWorkflowTypes service method, as
     *         returned by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public WorkflowTypeInfos listWorkflowTypes(ListWorkflowTypesRequest listWorkflowTypesRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Starts an execution of the workflow type in the specified domain
     * using the provided workflowId and input data.
     * 
    
     * 
    
     * This action returns the newly started workflow execution.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • Constrain the following parameters by using a
     * Condition element with the appropriate keys.
     * 
        
     * 
      •  tagList.member.0 : The key is
     * swf:tagList.member.0 .
        • 
     * 
      •  tagList.member.1 : The key is
     * swf:tagList.member.1 .
        • 
     * 
      •  tagList.member.2 : The key is
     * swf:tagList.member.2 .
        • 
     * 
      •  tagList.member.3 : The key is
     * swf:tagList.member.3 .
        • 
     * 
      •  tagList.member.4 : The key is
     * swf:tagList.member.4 .
        • 
     * 
      •  taskList : String constraint. The key is
     * swf:taskList.name .
        • 
     * 
      •  name : String constraint. The key is
     * swf:workflowType.name .
        • 
     * 
      •  version : String constraint. The key is
     * swf:workflowType.version .
        • 
     * 
     * 
      
     * 
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param startWorkflowExecutionRequest Container for the necessary
     *           parameters to execute the StartWorkflowExecution service method on
     *           AmazonSimpleWorkflow.
     * 
     * @return The response from the StartWorkflowExecution service method,
     *         as returned by AmazonSimpleWorkflow.
     * 
     * @throws TypeDeprecatedException
     * @throws OperationNotPermittedException
     * @throws DefaultUndefinedException
     * @throws UnknownResourceException
     * @throws WorkflowExecutionAlreadyStartedException
     * @throws LimitExceededException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public Run startWorkflowExecution(StartWorkflowExecutionRequest startWorkflowExecutionRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Records a WorkflowExecutionSignaled event in the
     * workflow execution history and creates a decision task for the
     * workflow execution identified by the given domain, workflowId and
     * runId. The event is recorded with the specified user defined
     * signalName and input (if provided).
     * 
    
     * 
    
     * NOTE: If a runId is not specified, then the
     * WorkflowExecutionSignaled event is recorded in the history of the
     * current open workflow with the matching workflowId in the domain.
     * 
    
     * 
    
     * NOTE: If the specified workflow execution is not open, this
     * method fails with UnknownResource.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • You cannot use an IAM policy to constrain this action's
     * parameters.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param signalWorkflowExecutionRequest Container for the necessary
     *           parameters to execute the SignalWorkflowExecution service method on
     *           AmazonSimpleWorkflow.
     * 
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public void signalWorkflowExecution(SignalWorkflowExecutionRequest signalWorkflowExecutionRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Returns the list of domains registered in the account. The results
     * may be split into multiple pages. To retrieve subsequent pages, make
     * the call again using the nextPageToken returned by the initial call.
     * 
    
     * 
    
     * NOTE: This operation is eventually consistent. The results are
     * best effort and may not exactly reflect recent updates and changes.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains. The element must be set to
     * arn:aws:swf::AccountID:domain/*" , where ???AccountID" is
     * the account ID, with no dashes.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • You cannot use an IAM policy to constrain this action's
     * parameters.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param listDomainsRequest Container for the necessary parameters to
     *           execute the ListDomains service method on AmazonSimpleWorkflow.
     * 
     * @return The response from the ListDomains service method, as returned
     *         by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public DomainInfos listDomains(ListDomainsRequest listDomainsRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Records a WorkflowExecutionCancelRequested event in the
     * currently running workflow execution identified by the given domain,
     * workflowId, and runId. This logically requests the cancellation of the
     * workflow execution as a whole. It is up to the decider to take
     * appropriate actions when it receives an execution history with this
     * event.
     * 
    
     * 
    
     * NOTE: If the runId is not specified, the
     * WorkflowExecutionCancelRequested event is recorded in the history of
     * the current open workflow execution with the specified workflowId in
     * the domain.
     * 
    
     * 
    
     * NOTE: Because this action allows the workflow to properly clean
     * up and gracefully close, it should be used instead of
     * TerminateWorkflowExecution when possible.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • You cannot use an IAM policy to constrain this action's
     * parameters.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param requestCancelWorkflowExecutionRequest Container for the
     *           necessary parameters to execute the RequestCancelWorkflowExecution
     *           service method on AmazonSimpleWorkflow.
     * 
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public void requestCancelWorkflowExecution(RequestCancelWorkflowExecutionRequest requestCancelWorkflowExecutionRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Returns information about the specified workflow type . This
     * includes configuration settings specified when the type was registered
     * and other information such as creation date, current status, etc.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • Constrain the following parameters by using a
     * Condition element with the appropriate keys.
     * 
        
     * 
      •  workflowType.name : String constraint. The key is
     * swf:workflowType.name .
        • 
     * 
      •  workflowType.version : String constraint. The key
     * is swf:workflowType.version .
        • 
     * 
     * 
      
     * 
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param describeWorkflowTypeRequest Container for the necessary
     *           parameters to execute the DescribeWorkflowType service method on
     *           AmazonSimpleWorkflow.
     * 
     * @return The response from the DescribeWorkflowType service method, as
     *         returned by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public WorkflowTypeDetail describeWorkflowType(DescribeWorkflowTypeRequest describeWorkflowTypeRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Deprecates the specified activity type .
     * After an activity type has been deprecated, you cannot create
     * new tasks of that activity type. Tasks of this type that were
     * scheduled before the type was deprecated will continue to run.
     * 
    
     * 
    
     * NOTE: This operation is eventually consistent. The results are
     * best effort and may not exactly reflect recent updates and changes.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • Constrain the following parameters by using a
     * Condition element with the appropriate keys.
     * 
        
     * 
      •  activityType.name : String constraint. The key is
     * swf:activityType.name .
        • 
     * 
      •  activityType.version : String constraint. The key
     * is swf:activityType.version .
        • 
     * 
     * 
      
     * 
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param deprecateActivityTypeRequest Container for the necessary
     *           parameters to execute the DeprecateActivityType service method on
     *           AmazonSimpleWorkflow.
     * 
     * 
     * @throws TypeDeprecatedException
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public void deprecateActivityType(DeprecateActivityTypeRequest deprecateActivityTypeRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Returns the number of closed workflow executions within the given
     * domain that meet the specified filtering criteria.
     * 
    
     * 
    
     * NOTE: This operation is eventually consistent. The results are
     * best effort and may not exactly reflect recent updates and changes.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • Constrain the following parameters by using a
     * Condition element with the appropriate keys.
     * 
        
     * 
      •  tag : String constraint. The key is
     * swf:tagFilter.tag .
        • 
     * 
      •  typeFilter.name : String constraint. String
     * constraint. The key is swf:typeFilter.name .
        • 
     * 
      •  typeFilter.version : String constraint. String
     * constraint. The key is swf:typeFilter.version .
        • 
     * 
     * 
      
     * 
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param countClosedWorkflowExecutionsRequest Container for the
     *           necessary parameters to execute the CountClosedWorkflowExecutions
     *           service method on AmazonSimpleWorkflow.
     * 
     * @return The response from the CountClosedWorkflowExecutions service
     *         method, as returned by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public WorkflowExecutionCount countClosedWorkflowExecutions(CountClosedWorkflowExecutionsRequest countClosedWorkflowExecutionsRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Returns the estimated number of activity tasks in the specified task
     * list. The count returned is an approximation and is not guaranteed to
     * be exact. If you specify a task list that no activity task was ever
     * scheduled in then 0 will be returned.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • Use a Condition element with the
     * swf:taskList.name key to allow the action to access only
     * certain task lists.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param countPendingActivityTasksRequest Container for the necessary
     *           parameters to execute the CountPendingActivityTasks service method on
     *           AmazonSimpleWorkflow.
     * 
     * @return The response from the CountPendingActivityTasks service
     *         method, as returned by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public PendingTaskCount countPendingActivityTasks(CountPendingActivityTasksRequest countPendingActivityTasksRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Used by workers to tell the service that the ActivityTask identified
     * by the taskToken was successfully canceled. Additional
     * details can be optionally provided using the
     * details argument.
     * 
    
     * 
    
     * These details (if provided) appear in the
     * ActivityTaskCanceled event added to the workflow history.
     * 
    
     * 
    
     * IMPORTANT: Only use this operation if the canceled flag of a
     * RecordActivityTaskHeartbeat request returns true and if the activity
     * can be safely undone or abandoned.
     * 
    
     * 
    
     * A task is considered open from the time that it is scheduled until it
     * is closed. Therefore a task is reported as open while a worker is
     * processing it. A task is closed after it has been specified in a call
     * to RespondActivityTaskCompleted, RespondActivityTaskCanceled,
     * RespondActivityTaskFailed, or the task has
     *  timed out 
     * .
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • You cannot use an IAM policy to constrain this action's
     * parameters.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param respondActivityTaskCanceledRequest Container for the necessary
     *           parameters to execute the RespondActivityTaskCanceled service method
     *           on AmazonSimpleWorkflow.
     * 
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public void respondActivityTaskCanceled(RespondActivityTaskCanceledRequest respondActivityTaskCanceledRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Used by deciders to tell the service that the DecisionTask identified
     * by the taskToken has successfully completed. The
     * decisions argument specifies the list of decisions made
     * while processing the task.
     * 
    
     * 
    
     * A
     * DecisionTaskCompleted event is added
     * to the workflow history. The executionContext specified
     * is attached to the event in the workflow execution history.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * If an IAM policy grants permission to use
     * RespondDecisionTaskCompleted , it can express permissions
     * for the list of decisions in the decisions parameter in
     * the same way as for the regular API. This approach maintains a uniform
     * conceptual model and helps keep policies readable. For more
     * information, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param respondDecisionTaskCompletedRequest Container for the necessary
     *           parameters to execute the RespondDecisionTaskCompleted service method
     *           on AmazonSimpleWorkflow.
     * 
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public void respondDecisionTaskCompleted(RespondDecisionTaskCompletedRequest respondDecisionTaskCompletedRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Used by workers to tell the service that the ActivityTask identified
     * by the taskToken completed successfully with a
     * result (if provided). The result appears in
     * the ActivityTaskCompleted event in the workflow history.
     * 
    
     * 
    
     * IMPORTANT: If the requested task does not complete
     * successfully, use RespondActivityTaskFailed instead. If the worker
     * finds that the task is canceled through the canceled flag returned by
     * RecordActivityTaskHeartbeat, it should cancel the task, clean up and
     * then call RespondActivityTaskCanceled.
     * 
    
     * 
    
     * A task is considered open from the time that it is scheduled until it
     * is closed. Therefore a task is reported as open while a worker is
     * processing it. A task is closed after it has been specified in a call
     * to RespondActivityTaskCompleted, RespondActivityTaskCanceled,
     * RespondActivityTaskFailed, or the task has
     *  timed out 
     * .
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • You cannot use an IAM policy to constrain this action's
     * parameters.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param respondActivityTaskCompletedRequest Container for the necessary
     *           parameters to execute the RespondActivityTaskCompleted service method
     *           on AmazonSimpleWorkflow.
     * 
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public void respondActivityTaskCompleted(RespondActivityTaskCompletedRequest respondActivityTaskCompletedRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Used by workers to get an ActivityTask from the specified activity
     * taskList .
     * This initiates a long poll, where the service holds the HTTP
     * connection open and responds as soon as a task becomes available. The
     * maximum time the service holds on to the request before responding is
     * 60 seconds. If no task is available within 60 seconds, the poll will
     * return an empty result. An empty result, in this context, means that
     * an ActivityTask is returned, but that the value of taskToken is an
     * empty string. If a task is returned, the worker should use its type to
     * identify and process it correctly.
     * 
    
     * 
    
     * IMPORTANT: Workers should set their client side socket timeout
     * to at least 70 seconds (10 seconds higher than the maximum time
     * service may hold the poll request).
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • Use a Condition element with the
     * swf:taskList.name key to allow the action to access only
     * certain task lists.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param pollForActivityTaskRequest Container for the necessary
     *           parameters to execute the PollForActivityTask service method on
     *           AmazonSimpleWorkflow.
     * 
     * @return The response from the PollForActivityTask service method, as
     *         returned by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     * @throws LimitExceededException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public ActivityTask pollForActivityTask(PollForActivityTaskRequest pollForActivityTaskRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Returns the number of open workflow executions within the given
     * domain that meet the specified filtering criteria.
     * 
    
     * 
    
     * NOTE: This operation is eventually consistent. The results are
     * best effort and may not exactly reflect recent updates and changes.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • Constrain the following parameters by using a
     * Condition element with the appropriate keys.
     * 
        
     * 
      •  tag : String constraint. The key is
     * swf:tagFilter.tag .
        • 
     * 
      •  typeFilter.name : String constraint. String
     * constraint. The key is swf:typeFilter.name .
        • 
     * 
      •  typeFilter.version : String constraint. String
     * constraint. The key is swf:typeFilter.version .
        • 
     * 
     * 
      
     * 
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param countOpenWorkflowExecutionsRequest Container for the necessary
     *           parameters to execute the CountOpenWorkflowExecutions service method
     *           on AmazonSimpleWorkflow.
     * 
     * @return The response from the CountOpenWorkflowExecutions service
     *         method, as returned by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public WorkflowExecutionCount countOpenWorkflowExecutions(CountOpenWorkflowExecutionsRequest countOpenWorkflowExecutionsRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Returns information about the specified activity type. This includes
     * configuration settings provided at registration time as well as other
     * general information about the type.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • Constrain the following parameters by using a
     * Condition element with the appropriate keys.
     * 
        
     * 
      •  activityType.name : String constraint. The key is
     * swf:activityType.name .
        • 
     * 
      •  activityType.version : String constraint. The key
     * is swf:activityType.version .
        • 
     * 
     * 
      
     * 
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param describeActivityTypeRequest Container for the necessary
     *           parameters to execute the DescribeActivityType service method on
     *           AmazonSimpleWorkflow.
     * 
     * @return The response from the DescribeActivityType service method, as
     *         returned by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public ActivityTypeDetail describeActivityType(DescribeActivityTypeRequest describeActivityTypeRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Returns a list of open workflow executions in the specified domain
     * that meet the filtering criteria. The results may be split into
     * multiple pages. To retrieve subsequent pages, make the call again
     * using the nextPageToken returned by the initial call.
     * 
    
     * 
    
     * NOTE: This operation is eventually consistent. The results are
     * best effort and may not exactly reflect recent updates and changes.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • Constrain the following parameters by using a
     * Condition element with the appropriate keys.
     * 
        
     * 
      •  tag : String constraint. The key is
     * swf:tagFilter.tag .
        • 
     * 
      •  typeFilter.name : String constraint. String
     * constraint. The key is swf:typeFilter.name .
        • 
     * 
      •  typeFilter.version : String constraint. String
     * constraint. The key is swf:typeFilter.version .
        • 
     * 
     * 
      
     * 
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param listOpenWorkflowExecutionsRequest Container for the necessary
     *           parameters to execute the ListOpenWorkflowExecutions service method on
     *           AmazonSimpleWorkflow.
     * 
     * @return The response from the ListOpenWorkflowExecutions service
     *         method, as returned by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public WorkflowExecutionInfos listOpenWorkflowExecutions(ListOpenWorkflowExecutionsRequest listOpenWorkflowExecutionsRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Returns the history of the specified workflow execution. The results
     * may be split into multiple pages. To retrieve subsequent pages, make
     * the call again using the nextPageToken returned by the
     * initial call.
     * 
    
     * 
    
     * NOTE: This operation is eventually consistent. The results are
     * best effort and may not exactly reflect recent updates and changes.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • You cannot use an IAM policy to constrain this action's
     * parameters.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param getWorkflowExecutionHistoryRequest Container for the necessary
     *           parameters to execute the GetWorkflowExecutionHistory service method
     *           on AmazonSimpleWorkflow.
     * 
     * @return The response from the GetWorkflowExecutionHistory service
     *         method, as returned by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public History getWorkflowExecutionHistory(GetWorkflowExecutionHistoryRequest getWorkflowExecutionHistoryRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Registers a new domain.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • You cannot use an IAM policy to control domain access for this
     * action. The name of the domain being registered is available as the
     * resource of this action.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • You cannot use an IAM policy to constrain this action's
     * parameters.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     * 
    
     * 
    
     *
     * @param registerDomainRequest Container for the necessary parameters to
     *           execute the RegisterDomain service method on AmazonSimpleWorkflow.
     * 
     * 
     * @throws DomainAlreadyExistsException
     * @throws OperationNotPermittedException
     * @throws LimitExceededException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public void registerDomain(RegisterDomainRequest registerDomainRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Registers a new activity type along with its configuration
     * settings in the specified domain.
     * 
    
     * 
    
     * IMPORTANT: A TypeAlreadyExists fault is returned if the type
     * already exists in the domain. You cannot change any configuration
     * settings of the type after its registration, and it must be registered
     * as a new version.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • Constrain the following parameters by using a
     * Condition element with the appropriate keys.
     * 
        
     * 
      •  defaultTaskList : String constraint. The key is
     * swf:defaultTaskList.name .
        • 
     * 
      •  name : String constraint. The key is
     * swf:name .
        • 
     * 
      •  version : String constraint. The key is
     * swf:version .
        • 
     * 
     * 
      
     * 
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param registerActivityTypeRequest Container for the necessary
     *           parameters to execute the RegisterActivityType service method on
     *           AmazonSimpleWorkflow.
     * 
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     * @throws TypeAlreadyExistsException
     * @throws LimitExceededException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public void registerActivityType(RegisterActivityTypeRequest registerActivityTypeRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Returns a list of closed workflow executions in the specified domain
     * that meet the filtering criteria. The results may be split into
     * multiple pages. To retrieve subsequent pages, make the call again
     * using the nextPageToken returned by the initial call.
     * 
    
     * 
    
     * NOTE: This operation is eventually consistent. The results are
     * best effort and may not exactly reflect recent updates and changes.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • Constrain the following parameters by using a
     * Condition element with the appropriate keys.
     * 
        
     * 
      •  tag : String constraint. The key is
     * swf:tagFilter.tag .
        • 
     * 
      •  typeFilter.name : String constraint. String
     * constraint. The key is swf:typeFilter.name .
        • 
     * 
      •  typeFilter.version : String constraint. String
     * constraint. The key is swf:typeFilter.version .
        • 
     * 
     * 
      
     * 
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param listClosedWorkflowExecutionsRequest Container for the necessary
     *           parameters to execute the ListClosedWorkflowExecutions service method
     *           on AmazonSimpleWorkflow.
     * 
     * @return The response from the ListClosedWorkflowExecutions service
     *         method, as returned by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public WorkflowExecutionInfos listClosedWorkflowExecutions(ListClosedWorkflowExecutionsRequest listClosedWorkflowExecutionsRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Used by activity workers to report to the service that the
     * ActivityTask represented by the specified taskToken is
     * still making progress. The worker can also (optionally) specify
     * details of the progress, for example percent complete, using the
     * details parameter. This action can also be used by the
     * worker as a mechanism to check if cancellation is being requested for
     * the activity task. If a cancellation is being attempted for the
     * specified task, then the boolean cancelRequested flag
     * returned by the service is set to true .
     * 
     * 
    
     * 
    
     * This action resets the taskHeartbeatTimeout clock. The
     * taskHeartbeatTimeout is specified in
     * RegisterActivityType.
     * 
    
     * 
    
     * This action does not in itself create an event in the workflow
     * execution history. However, if the task times out, the workflow
     * execution history will contain a ActivityTaskTimedOut
     * event that contains the information from the last heartbeat generated
     * by the activity worker.
     * 
    
     * 
    
     * NOTE: The taskStartToCloseTimeout of an activity type is the
     * maximum duration of an activity task, regardless of the number of
     * RecordActivityTaskHeartbeat requests received. The
     * taskStartToCloseTimeout is also specified in RegisterActivityType.
     * 
    
     * 
    
     * NOTE: This operation is only useful for long-lived activities
     * to report liveliness of the task and to determine if a cancellation is
     * being attempted.
     * 
    
     * 
    
     * IMPORTANT: If the cancelRequested flag returns true, a
     * cancellation is being attempted. If the worker can cancel the
     * activity, it should respond with RespondActivityTaskCanceled.
     * Otherwise, it should ignore the cancellation request.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • You cannot use an IAM policy to constrain this action's
     * parameters.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param recordActivityTaskHeartbeatRequest Container for the necessary
     *           parameters to execute the RecordActivityTaskHeartbeat service method
     *           on AmazonSimpleWorkflow.
     * 
     * @return The response from the RecordActivityTaskHeartbeat service
     *         method, as returned by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public ActivityTaskStatus recordActivityTaskHeartbeat(RecordActivityTaskHeartbeatRequest recordActivityTaskHeartbeatRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Used by deciders to get a DecisionTask from the specified decision
     * taskList .
     * A decision task may be returned for any open workflow execution
     * that is using the specified task list. The task includes a paginated
     * view of the history of the workflow execution. The decider should use
     * the workflow type and the history to determine how to properly handle
     * the task.
     * 
    
     * 
    
     * This action initiates a long poll, where the service holds the HTTP
     * connection open and responds as soon a task becomes available. If no
     * decision task is available in the specified task list before the
     * timeout of 60 seconds expires, an empty result is returned. An empty
     * result, in this context, means that a DecisionTask is returned, but
     * that the value of taskToken is an empty string.
     * 
    
     * 
    
     * IMPORTANT: Deciders should set their client side socket timeout
     * to at least 70 seconds (10 seconds higher than the timeout).
     * 
    
     * 
    
     * IMPORTANT: Because the number of workflow history events for a
     * single workflow execution might be very large, the result returned
     * might be split up across a number of pages. To retrieve subsequent
     * pages, make additional calls to PollForDecisionTask using the
     * nextPageToken returned by the initial call. Note that you do not call
     * GetWorkflowExecutionHistory with this nextPageToken. Instead, call
     * PollForDecisionTask again.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • Use a Condition element with the
     * swf:taskList.name key to allow the action to access only
     * certain task lists.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param pollForDecisionTaskRequest Container for the necessary
     *           parameters to execute the PollForDecisionTask service method on
     *           AmazonSimpleWorkflow.
     * 
     * @return The response from the PollForDecisionTask service method, as
     *         returned by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     * @throws LimitExceededException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public DecisionTask pollForDecisionTask(PollForDecisionTaskRequest pollForDecisionTaskRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Returns information about all activities registered in the specified
     * domain that match the specified name and registration status. The
     * result includes information like creation date, current status of the
     * activity, etc. The results may be split into multiple pages. To
     * retrieve subsequent pages, make the call again using the
     * nextPageToken returned by the initial call.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • You cannot use an IAM policy to constrain this action's
     * parameters.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param listActivityTypesRequest Container for the necessary parameters
     *           to execute the ListActivityTypes service method on
     *           AmazonSimpleWorkflow.
     * 
     * @return The response from the ListActivityTypes service method, as
     *         returned by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public ActivityTypeInfos listActivityTypes(ListActivityTypesRequest listActivityTypesRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Returns information about the specified domain including description
     * and status.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • You cannot use an IAM policy to constrain this action's
     * parameters.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param describeDomainRequest Container for the necessary parameters to
     *           execute the DescribeDomain service method on AmazonSimpleWorkflow.
     * 
     * @return The response from the DescribeDomain service method, as
     *         returned by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public DomainDetail describeDomain(DescribeDomainRequest describeDomainRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Used by workers to tell the service that the ActivityTask identified
     * by the taskToken has failed with reason (if
     * specified). The reason and details appear in
     * the ActivityTaskFailed event added to the workflow
     * history.
     * 
    
     * 
    
     * A task is considered open from the time that it is scheduled until it
     * is closed. Therefore a task is reported as open while a worker is
     * processing it. A task is closed after it has been specified in a call
     * to RespondActivityTaskCompleted, RespondActivityTaskCanceled,
     * RespondActivityTaskFailed, or the task has
     *  timed out 
     * .
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • You cannot use an IAM policy to constrain this action's
     * parameters.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param respondActivityTaskFailedRequest Container for the necessary
     *           parameters to execute the RespondActivityTaskFailed service method on
     *           AmazonSimpleWorkflow.
     * 
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public void respondActivityTaskFailed(RespondActivityTaskFailedRequest respondActivityTaskFailedRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Returns the estimated number of decision tasks in the specified task
     * list. The count returned is an approximation and is not guaranteed to
     * be exact. If you specify a task list that no decision task was ever
     * scheduled in then 0 will be returned.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • Use a Condition element with the
     * swf:taskList.name key to allow the action to access only
     * certain task lists.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param countPendingDecisionTasksRequest Container for the necessary
     *           parameters to execute the CountPendingDecisionTasks service method on
     *           AmazonSimpleWorkflow.
     * 
     * @return The response from the CountPendingDecisionTasks service
     *         method, as returned by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public PendingTaskCount countPendingDecisionTasks(CountPendingDecisionTasksRequest countPendingDecisionTasksRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Records a WorkflowExecutionTerminated event and forces
     * closure of the workflow execution identified by the given domain,
     * runId, and workflowId. The child policy, registered with the workflow
     * type or specified when starting this execution, is applied to any open
     * child workflow executions of this workflow execution.
     * 
    
     * 
    
     * IMPORTANT: If the identified workflow execution was in
     * progress, it is terminated immediately.
     * 
    
     * 
    
     * NOTE: If a runId is not specified, then the
     * WorkflowExecutionTerminated event is recorded in the history of the
     * current open workflow with the matching workflowId in the domain.
     * 
    
     * 
    
     * NOTE: You should consider using RequestCancelWorkflowExecution
     * action instead because it allows the workflow to gracefully close
     * while TerminateWorkflowExecution does not.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • You cannot use an IAM policy to constrain this action's
     * parameters.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param terminateWorkflowExecutionRequest Container for the necessary
     *           parameters to execute the TerminateWorkflowExecution service method on
     *           AmazonSimpleWorkflow.
     * 
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public void terminateWorkflowExecution(TerminateWorkflowExecutionRequest terminateWorkflowExecutionRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * 
    
     * Returns information about the specified workflow execution including
     * its type and some statistics.
     * 
    
     * 
    
     * NOTE: This operation is eventually consistent. The results are
     * best effort and may not exactly reflect recent updates and changes.
     * 
    
     * 
    
     * Access Control
     * 
    
     * 
    
     * You can use IAM policies to control this action's access to Amazon SWF
     * resources as follows:
     * 
    
     * 
     * 
      
     * 
    • Use a Resource element with the domain name to limit
     * the action to only specified domains.
      • 
     * 
    • Use an Action element to allow or deny permission to
     * call this action.
      • 
     * 
    • You cannot use an IAM policy to constrain this action's
     * parameters.
      • 
     * 
     * 
    
     * 
    
     * If the caller does not have sufficient permissions to invoke the
     * action, or the parameter values fall outside the specified
     * constraints, the action fails by throwing
     * OperationNotPermitted . For details and example IAM
     * policies, see
     *  Using IAM to Manage Access to Amazon SWF Workflows 
     * .
     * 
    
     *
     * @param describeWorkflowExecutionRequest Container for the necessary
     *           parameters to execute the DescribeWorkflowExecution service method on
     *           AmazonSimpleWorkflow.
     * 
     * @return The response from the DescribeWorkflowExecution service
     *         method, as returned by AmazonSimpleWorkflow.
     * 
     * @throws OperationNotPermittedException
     * @throws UnknownResourceException
     *
     * @throws AmazonClientException
     *             If any internal errors are encountered inside the client while
     *             attempting to make the request or handle the response.  For example
     *             if a network connection is not available.
     * @throws AmazonServiceException
     *             If an error response is returned by AmazonSimpleWorkflow indicating
     *             either a problem with the data in the request, or a server side issue.
     */
    public WorkflowExecutionDetail describeWorkflowExecution(DescribeWorkflowExecutionRequest describeWorkflowExecutionRequest) 
            throws AmazonServiceException, AmazonClientException;

    /**
     * Shuts down this client object, releasing any resources that might be held
     * open. This is an optional method, and callers are not expected to call
     * it, but can if they want to explicitly release any open resources. Once a
     * client has been shutdown, it should not be used to make any more
     * requests.
     */
    public void shutdown();
    
    /**
     * Returns additional metadata for a previously executed successful request, typically used for
     * debugging issues where a service isn't acting as expected.  This data isn't considered part
     * of the result data returned by an operation, so it's available through this separate,
     * diagnostic interface.
     * 
    
     * Response metadata is only cached for a limited period of time, so if you need to access
     * this extra diagnostic information for an executed request, you should use this method
     * to retrieve it as soon as possible after executing a request.
     *
     * @param request
     *            The originally executed request.
     *
     * @return The response metadata for the specified request, or null if none
     *         is available.
     */
    public ResponseMetadata getCachedResponseMetadata(AmazonWebServiceRequest request);
}




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