org.apache.apex.malhar.contrib.kinesis.KinesisOperatorTestBase.java Source code

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Here is the source code for org.apache.apex.malhar.contrib.kinesis.KinesisOperatorTestBase.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License 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 org.apache.apex.malhar.contrib.kinesis;

import org.junit.After;
import org.junit.Before;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.amazonaws.auth.AWSCredentialsProvider;
import com.amazonaws.auth.DefaultAWSCredentialsProviderChain;
import com.amazonaws.services.kinesis.AmazonKinesisClient;
import com.amazonaws.services.kinesis.model.CreateStreamRequest;
import com.amazonaws.services.kinesis.model.ResourceInUseException;

/**
 * This is a base class setup/clean Kinesis testing environment for all the input/output test
 * If it's a multipartition test, this class creates 2 kinesis partitions
 */
public class KinesisOperatorTestBase {
    public static final String END_TUPLE = "END_TUPLE";
    protected boolean hasMultiPartition = false;
    protected String streamNamePrefix = "StreamName-";
    protected String streamName = null;
    protected int shardCount = 1;
    protected transient AmazonKinesisClient client = null;
    protected transient AWSCredentialsProvider credentials = null;

    private static final Logger logger = LoggerFactory.getLogger(KinesisOperatorTestBase.class);

    private void createClient() {
        credentials = new DefaultAWSCredentialsProviderChain();
        client = new AmazonKinesisClient(credentials);
    }

    @Before
    public void beforeTest() {
        CreateStreamRequest streamRequest = null;
        createClient();

        for (int i = 0; i < 100; ++i) {
            try {
                streamName = streamNamePrefix + i;
                streamRequest = new CreateStreamRequest();
                streamRequest.setStreamName(streamName);
                streamRequest.setShardCount(shardCount);
                client.createStream(streamRequest);

                logger.info("created stream {}.", streamName);
                Thread.sleep(30000);

                break;
            } catch (ResourceInUseException riue) {
                logger.warn("Resource is in use.", riue.getMessage());
            } catch (Exception e) {
                logger.error("Got exception.", e);
                throw new RuntimeException(e);
            }
        }
    }

    @After
    public void afterTest() {
        client.deleteStream(streamName);

    }

    public void setHasMultiPartition(boolean hasMultiPartition) {
        this.hasMultiPartition = hasMultiPartition;
    }
}