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/*
* Copyright 2010-2016 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.model;
import java.io.Serializable;
/**
*
* A structure that represents a decision task. Decision tasks are sent to
* deciders in order for them to make decisions.
*
*/
public class DecisionTask implements Serializable, Cloneable {
/**
*
* The opaque string used as a handle on the task. This token is used by
* workers to communicate progress and response information back to the
* system about the task.
*
*/
private String taskToken;
/**
*
* The ID of the DecisionTaskStarted event recorded in the
* history.
*
*/
private Long startedEventId;
/**
*
* The workflow execution for which this decision task was created.
*
*/
private WorkflowExecution workflowExecution;
/**
*
* The type of the workflow execution for which this decision task was
* created.
*
*/
private WorkflowType workflowType;
/**
*
* A paginated list of history events of the workflow execution. The decider
* uses this during the processing of the decision task.
*
*/
private java.util.List events;
/**
*
* If a NextPageToken was returned by a previous call, there
* are more results available. To retrieve the next page of results, make
* the call again using the returned token in nextPageToken.
* Keep all other arguments unchanged.
*
*
* The configured maximumPageSize determines how many results
* can be returned in a single call.
*
*/
private String nextPageToken;
/**
*
* The ID of the DecisionTaskStarted event of the previous decision task of
* this workflow execution that was processed by the decider. This can be
* used to determine the events in the history new since the last decision
* task received by the decider.
*
*/
private Long previousStartedEventId;
/**
*
* The opaque string used as a handle on the task. This token is used by
* workers to communicate progress and response information back to the
* system about the task.
*
*
* @param taskToken
* The opaque string used as a handle on the task. This token is used
* by workers to communicate progress and response information back
* to the system about the task.
*/
public void setTaskToken(String taskToken) {
this.taskToken = taskToken;
}
/**
*
* The opaque string used as a handle on the task. This token is used by
* workers to communicate progress and response information back to the
* system about the task.
*
*
* @return The opaque string used as a handle on the task. This token is
* used by workers to communicate progress and response information
* back to the system about the task.
*/
public String getTaskToken() {
return this.taskToken;
}
/**
*
* The opaque string used as a handle on the task. This token is used by
* workers to communicate progress and response information back to the
* system about the task.
*
*
* @param taskToken
* The opaque string used as a handle on the task. This token is used
* by workers to communicate progress and response information back
* to the system about the task.
* @return Returns a reference to this object so that method calls can be
* chained together.
*/
public DecisionTask withTaskToken(String taskToken) {
setTaskToken(taskToken);
return this;
}
/**
*
* The ID of the DecisionTaskStarted event recorded in the
* history.
*
*
* @param startedEventId
* The ID of the DecisionTaskStarted event recorded in
* the history.
*/
public void setStartedEventId(Long startedEventId) {
this.startedEventId = startedEventId;
}
/**
*
* The ID of the DecisionTaskStarted event recorded in the
* history.
*
*
* @return The ID of the DecisionTaskStarted event recorded in
* the history.
*/
public Long getStartedEventId() {
return this.startedEventId;
}
/**
*
* The ID of the DecisionTaskStarted event recorded in the
* history.
*
*
* @param startedEventId
* The ID of the DecisionTaskStarted event recorded in
* the history.
* @return Returns a reference to this object so that method calls can be
* chained together.
*/
public DecisionTask withStartedEventId(Long startedEventId) {
setStartedEventId(startedEventId);
return this;
}
/**
*
* The workflow execution for which this decision task was created.
*
*
* @param workflowExecution
* The workflow execution for which this decision task was created.
*/
public void setWorkflowExecution(WorkflowExecution workflowExecution) {
this.workflowExecution = workflowExecution;
}
/**
*
* The workflow execution for which this decision task was created.
*
*
* @return The workflow execution for which this decision task was created.
*/
public WorkflowExecution getWorkflowExecution() {
return this.workflowExecution;
}
/**
*
* The workflow execution for which this decision task was created.
*
*
* @param workflowExecution
* The workflow execution for which this decision task was created.
* @return Returns a reference to this object so that method calls can be
* chained together.
*/
public DecisionTask withWorkflowExecution(
WorkflowExecution workflowExecution) {
setWorkflowExecution(workflowExecution);
return this;
}
/**
*
* The type of the workflow execution for which this decision task was
* created.
*
*
* @param workflowType
* The type of the workflow execution for which this decision task
* was created.
*/
public void setWorkflowType(WorkflowType workflowType) {
this.workflowType = workflowType;
}
/**
*
* The type of the workflow execution for which this decision task was
* created.
*
*
* @return The type of the workflow execution for which this decision task
* was created.
*/
public WorkflowType getWorkflowType() {
return this.workflowType;
}
/**
*
* The type of the workflow execution for which this decision task was
* created.
*
*
* @param workflowType
* The type of the workflow execution for which this decision task
* was created.
* @return Returns a reference to this object so that method calls can be
* chained together.
*/
public DecisionTask withWorkflowType(WorkflowType workflowType) {
setWorkflowType(workflowType);
return this;
}
/**
*
* A paginated list of history events of the workflow execution. The decider
* uses this during the processing of the decision task.
*
*
* @return A paginated list of history events of the workflow execution. The
* decider uses this during the processing of the decision task.
*/
public java.util.List getEvents() {
return events;
}
/**
*
* A paginated list of history events of the workflow execution. The decider
* uses this during the processing of the decision task.
*
*
* @param events
* A paginated list of history events of the workflow execution. The
* decider uses this during the processing of the decision task.
*/
public void setEvents(java.util.Collection events) {
if (events == null) {
this.events = null;
return;
}
this.events = new java.util.ArrayList(events);
}
/**
*
* A paginated list of history events of the workflow execution. The decider
* uses this during the processing of the decision task.
*
*
* NOTE: This method appends the values to the existing list (if
* any). Use {@link #setEvents(java.util.Collection)} or
* {@link #withEvents(java.util.Collection)} if you want to override the
* existing values.
*
*
* @param events
* A paginated list of history events of the workflow execution. The
* decider uses this during the processing of the decision task.
* @return Returns a reference to this object so that method calls can be
* chained together.
*/
public DecisionTask withEvents(HistoryEvent... events) {
if (this.events == null) {
setEvents(new java.util.ArrayList(events.length));
}
for (HistoryEvent ele : events) {
this.events.add(ele);
}
return this;
}
/**
*
* A paginated list of history events of the workflow execution. The decider
* uses this during the processing of the decision task.
*
*
* @param events
* A paginated list of history events of the workflow execution. The
* decider uses this during the processing of the decision task.
* @return Returns a reference to this object so that method calls can be
* chained together.
*/
public DecisionTask withEvents(java.util.Collection events) {
setEvents(events);
return this;
}
/**
*
* If a NextPageToken was returned by a previous call, there
* are more results available. To retrieve the next page of results, make
* the call again using the returned token in nextPageToken.
* Keep all other arguments unchanged.
*
*
* The configured maximumPageSize determines how many results
* can be returned in a single call.
*
*
* @param nextPageToken
* If a NextPageToken was returned by a previous call,
* there are more results available. To retrieve the next page of
* results, make the call again using the returned token in
* nextPageToken. Keep all other arguments
* unchanged.
*
* The configured maximumPageSize determines how many
* results can be returned in a single call.
*/
public void setNextPageToken(String nextPageToken) {
this.nextPageToken = nextPageToken;
}
/**
*
* If a NextPageToken was returned by a previous call, there
* are more results available. To retrieve the next page of results, make
* the call again using the returned token in nextPageToken.
* Keep all other arguments unchanged.
*
*
* The configured maximumPageSize determines how many results
* can be returned in a single call.
*
*
* @return If a NextPageToken was returned by a previous call,
* there are more results available. To retrieve the next page of
* results, make the call again using the returned token in
* nextPageToken. Keep all other arguments
* unchanged.
*
* The configured maximumPageSize determines how many
* results can be returned in a single call.
*/
public String getNextPageToken() {
return this.nextPageToken;
}
/**
*
* If a NextPageToken was returned by a previous call, there
* are more results available. To retrieve the next page of results, make
* the call again using the returned token in nextPageToken.
* Keep all other arguments unchanged.
*
*
* The configured maximumPageSize determines how many results
* can be returned in a single call.
*
*
* @param nextPageToken
* If a NextPageToken was returned by a previous call,
* there are more results available. To retrieve the next page of
* results, make the call again using the returned token in
* nextPageToken. Keep all other arguments
* unchanged.
*
* The configured maximumPageSize determines how many
* results can be returned in a single call.
* @return Returns a reference to this object so that method calls can be
* chained together.
*/
public DecisionTask withNextPageToken(String nextPageToken) {
setNextPageToken(nextPageToken);
return this;
}
/**
*
* The ID of the DecisionTaskStarted event of the previous decision task of
* this workflow execution that was processed by the decider. This can be
* used to determine the events in the history new since the last decision
* task received by the decider.
*
*
* @param previousStartedEventId
* The ID of the DecisionTaskStarted event of the previous decision
* task of this workflow execution that was processed by the decider.
* This can be used to determine the events in the history new since
* the last decision task received by the decider.
*/
public void setPreviousStartedEventId(Long previousStartedEventId) {
this.previousStartedEventId = previousStartedEventId;
}
/**
*
* The ID of the DecisionTaskStarted event of the previous decision task of
* this workflow execution that was processed by the decider. This can be
* used to determine the events in the history new since the last decision
* task received by the decider.
*
*
* @return The ID of the DecisionTaskStarted event of the previous decision
* task of this workflow execution that was processed by the
* decider. This can be used to determine the events in the history
* new since the last decision task received by the decider.
*/
public Long getPreviousStartedEventId() {
return this.previousStartedEventId;
}
/**
*
* The ID of the DecisionTaskStarted event of the previous decision task of
* this workflow execution that was processed by the decider. This can be
* used to determine the events in the history new since the last decision
* task received by the decider.
*
*
* @param previousStartedEventId
* The ID of the DecisionTaskStarted event of the previous decision
* task of this workflow execution that was processed by the decider.
* This can be used to determine the events in the history new since
* the last decision task received by the decider.
* @return Returns a reference to this object so that method calls can be
* chained together.
*/
public DecisionTask withPreviousStartedEventId(Long previousStartedEventId) {
setPreviousStartedEventId(previousStartedEventId);
return this;
}
/**
* Returns a string representation of this object; useful for testing and
* debugging.
*
* @return A string representation of this object.
*
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("{");
if (getTaskToken() != null)
sb.append("TaskToken: " + getTaskToken() + ",");
if (getStartedEventId() != null)
sb.append("StartedEventId: " + getStartedEventId() + ",");
if (getWorkflowExecution() != null)
sb.append("WorkflowExecution: " + getWorkflowExecution() + ",");
if (getWorkflowType() != null)
sb.append("WorkflowType: " + getWorkflowType() + ",");
if (getEvents() != null)
sb.append("Events: " + getEvents() + ",");
if (getNextPageToken() != null)
sb.append("NextPageToken: " + getNextPageToken() + ",");
if (getPreviousStartedEventId() != null)
sb.append("PreviousStartedEventId: " + getPreviousStartedEventId());
sb.append("}");
return sb.toString();
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (obj instanceof DecisionTask == false)
return false;
DecisionTask other = (DecisionTask) obj;
if (other.getTaskToken() == null ^ this.getTaskToken() == null)
return false;
if (other.getTaskToken() != null
&& other.getTaskToken().equals(this.getTaskToken()) == false)
return false;
if (other.getStartedEventId() == null
^ this.getStartedEventId() == null)
return false;
if (other.getStartedEventId() != null
&& other.getStartedEventId().equals(this.getStartedEventId()) == false)
return false;
if (other.getWorkflowExecution() == null
^ this.getWorkflowExecution() == null)
return false;
if (other.getWorkflowExecution() != null
&& other.getWorkflowExecution().equals(
this.getWorkflowExecution()) == false)
return false;
if (other.getWorkflowType() == null ^ this.getWorkflowType() == null)
return false;
if (other.getWorkflowType() != null
&& other.getWorkflowType().equals(this.getWorkflowType()) == false)
return false;
if (other.getEvents() == null ^ this.getEvents() == null)
return false;
if (other.getEvents() != null
&& other.getEvents().equals(this.getEvents()) == false)
return false;
if (other.getNextPageToken() == null ^ this.getNextPageToken() == null)
return false;
if (other.getNextPageToken() != null
&& other.getNextPageToken().equals(this.getNextPageToken()) == false)
return false;
if (other.getPreviousStartedEventId() == null
^ this.getPreviousStartedEventId() == null)
return false;
if (other.getPreviousStartedEventId() != null
&& other.getPreviousStartedEventId().equals(
this.getPreviousStartedEventId()) == false)
return false;
return true;
}
@Override
public int hashCode() {
final int prime = 31;
int hashCode = 1;
hashCode = prime * hashCode
+ ((getTaskToken() == null) ? 0 : getTaskToken().hashCode());
hashCode = prime
* hashCode
+ ((getStartedEventId() == null) ? 0 : getStartedEventId()
.hashCode());
hashCode = prime
* hashCode
+ ((getWorkflowExecution() == null) ? 0
: getWorkflowExecution().hashCode());
hashCode = prime
* hashCode
+ ((getWorkflowType() == null) ? 0 : getWorkflowType()
.hashCode());
hashCode = prime * hashCode
+ ((getEvents() == null) ? 0 : getEvents().hashCode());
hashCode = prime
* hashCode
+ ((getNextPageToken() == null) ? 0 : getNextPageToken()
.hashCode());
hashCode = prime
* hashCode
+ ((getPreviousStartedEventId() == null) ? 0
: getPreviousStartedEventId().hashCode());
return hashCode;
}
@Override
public DecisionTask clone() {
try {
return (DecisionTask) super.clone();
} catch (CloneNotSupportedException e) {
throw new IllegalStateException(
"Got a CloneNotSupportedException from Object.clone() "
+ "even though we're Cloneable!", e);
}
}
}