com.amazonaws.services.simpleworkflow.flow.WorkflowClientExternalBase Maven / Gradle / Ivy

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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).

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/*
 * Copyright 2012-2014 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.flow;

import com.amazonaws.services.simpleworkflow.flow.generic.GenericWorkflowClientExternal;
import com.amazonaws.services.simpleworkflow.model.ChildPolicy;
import com.amazonaws.services.simpleworkflow.model.WorkflowExecution;
import com.amazonaws.services.simpleworkflow.model.WorkflowType;

public abstract class WorkflowClientExternalBase implements WorkflowClientExternal {
    
    private static boolean BOOLEAN_DEFAULT = false;
    
    private static byte BYTE_DEFAULT = 0;
    
    private static char CHARACTER_DEFAULT = '\u0000';
    
    private static short SHORT_DEFAULT = 0;
    
    private static int INTEGER_DEFAULT = 0;
    
    private static long LONG_DEFAULT = 0L;
    
    private static float FLOAT_DEFAULT = 0.0f;
    
    private static double DOUBLE_DEFAULT = 0.0d;

    protected final DynamicWorkflowClientExternal dynamicWorkflowClient;

    public WorkflowClientExternalBase(WorkflowExecution workflowExecution, WorkflowType workflowType,
            StartWorkflowOptions options, DataConverter dataConverter, GenericWorkflowClientExternal genericClient) {
        this.dynamicWorkflowClient = new DynamicWorkflowClientExternalImpl(workflowExecution, workflowType, options,
                dataConverter, genericClient);
    }

    @Override
    public void requestCancelWorkflowExecution() {
        dynamicWorkflowClient.requestCancelWorkflowExecution();
    }

    @Override
    public void terminateWorkflowExecution(String reason, String details, ChildPolicy childPolicy) {
        dynamicWorkflowClient.terminateWorkflowExecution(reason, details, childPolicy);
    }

    @Override
    public DataConverter getDataConverter() {
        return dynamicWorkflowClient.getDataConverter();
    }

    @Override
    public StartWorkflowOptions getSchedulingOptions() {
        return dynamicWorkflowClient.getSchedulingOptions();
    }

    @Override
    public GenericWorkflowClientExternal getGenericClient() {
        return dynamicWorkflowClient.getGenericClient();
    }

    @Override
    public WorkflowExecution getWorkflowExecution() {
        return dynamicWorkflowClient.getWorkflowExecution();
    }

    protected void startWorkflowExecution(Object[] arguments, StartWorkflowOptions startOptionsOverride) {
        dynamicWorkflowClient.startWorkflowExecution(arguments, startOptionsOverride);
    }

    protected void startWorkflowExecution(Object[] arguments) {
        dynamicWorkflowClient.startWorkflowExecution(arguments);
    }

    protected void signalWorkflowExecution(String signalName, Object[] arguments) {
        dynamicWorkflowClient.signalWorkflowExecution(signalName, arguments);
    }
    
    @SuppressWarnings({ "unchecked" })
    protected T defaultPrimitiveValue(Class clazz) {
        Object returnValue = null;
        if (clazz.equals(Boolean.TYPE)) {
            returnValue = BOOLEAN_DEFAULT;
        } else if (clazz.equals(Byte.TYPE)) {
            returnValue = BYTE_DEFAULT;
        } else if (clazz.equals(Character.TYPE)) {
            returnValue = CHARACTER_DEFAULT;
        } else if (clazz.equals(Short.TYPE)) {
            returnValue = SHORT_DEFAULT;
        } else if (clazz.equals(Integer.TYPE)) {
            returnValue = INTEGER_DEFAULT;
        } else if (clazz.equals(Long.TYPE)) {
            returnValue = LONG_DEFAULT;
        } else if (clazz.equals(Float.TYPE)) {
            returnValue = FLOAT_DEFAULT;
        } else if (clazz.equals(Double.TYPE)) {
            returnValue = DOUBLE_DEFAULT;
        } else {
            throw new IllegalArgumentException("Type not supported: " + clazz);
        }
        
        return (T)returnValue;
    }
}