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

Go to download

Show more of this group Show more artifacts with this name
Show all versions of aws-java-sdk Show documentation

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 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 java.util.concurrent.CancellationException;

import com.amazonaws.services.simpleworkflow.AmazonSimpleWorkflow;
import com.amazonaws.services.simpleworkflow.flow.common.WorkflowExecutionUtils;
import com.amazonaws.services.simpleworkflow.model.ActivityTaskStatus;
import com.amazonaws.services.simpleworkflow.model.RecordActivityTaskHeartbeatRequest;
import com.amazonaws.services.simpleworkflow.model.RespondActivityTaskCanceledRequest;
import com.amazonaws.services.simpleworkflow.model.RespondActivityTaskCompletedRequest;
import com.amazonaws.services.simpleworkflow.model.RespondActivityTaskFailedRequest;

class ManualActivityCompletionClientImpl extends ManualActivityCompletionClient {

    private final AmazonSimpleWorkflow service;

    private final String taskToken;

    private final DataConverter dataConverter;

    public ManualActivityCompletionClientImpl(AmazonSimpleWorkflow service, String taskToken, DataConverter dataConverter) {
        this.service = service;
        this.taskToken = taskToken;
        this.dataConverter = dataConverter;
    }

    @Override
    public void complete(Object result) {
        RespondActivityTaskCompletedRequest request = new RespondActivityTaskCompletedRequest();
        String convertedResult = dataConverter.toData(result);
        request.setResult(convertedResult);
        request.setTaskToken(taskToken);
        service.respondActivityTaskCompleted(request);
    }

    @Override
    public void fail(Throwable failure) {
        RespondActivityTaskFailedRequest request = new RespondActivityTaskFailedRequest();
        String convertedFailure = dataConverter.toData(failure);
        request.setReason(WorkflowExecutionUtils.truncateReason(failure.getMessage()));
        request.setDetails(convertedFailure);
        request.setTaskToken(taskToken);
        service.respondActivityTaskFailed(request);
    }

    @Override
    public void recordHeartbeat(String details) throws CancellationException {
        RecordActivityTaskHeartbeatRequest request = new RecordActivityTaskHeartbeatRequest();
        request.setDetails(details);
        request.setTaskToken(taskToken);
        ActivityTaskStatus status = service.recordActivityTaskHeartbeat(request);
        status = service.recordActivityTaskHeartbeat(request);
        if (status.isCancelRequested()) {
            throw new CancellationException();
        }
    }

    @Override
    public void reportCancellation(String details) {
        RespondActivityTaskCanceledRequest request = new RespondActivityTaskCanceledRequest();
        request.setDetails(details);
        request.setTaskToken(taskToken);
        service.respondActivityTaskCanceled(request);
    }

}