com.amazonaws.services.dynamodbv2.streams.connectors.DynamoDBMasterToReplicasPipeline Maven / Gradle / Ivy

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The DynamoDB Cross-Region Replication library allows you to replicate DynamoDB tables in real-time with Streams.

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/*
 * Copyright 2014-2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 * 
 * Licensed under the Amazon Software License (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/asl/
 * 
 * or in the "LICENSE.txt" file accompanying this file.
 * 
 * This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, express or implied.
 * See the License for the specific language governing permissions and limitations under the License.
 */
package com.amazonaws.services.dynamodbv2.streams.connectors;

import com.amazonaws.services.dynamodbv2.model.Record;
import com.amazonaws.services.kinesis.connectors.KinesisConnectorConfiguration;
import com.amazonaws.services.kinesis.connectors.impl.AllPassFilter;
import com.amazonaws.services.kinesis.connectors.interfaces.IBuffer;
import com.amazonaws.services.kinesis.connectors.interfaces.IEmitter;
import com.amazonaws.services.kinesis.connectors.interfaces.IFilter;
import com.amazonaws.services.kinesis.connectors.interfaces.IKinesisConnectorPipeline;
import com.amazonaws.services.kinesis.connectors.interfaces.ITransformer;

/**
 * The Pipeline used when there is only one single master replicating to multiple replicas. Uses:
 * 
 * {@link DynamoDBReplicationEmitter}
 * {@link DynamoDBBuffer}
 * {@link DynamoDBStreamsRecordTransformer}
 * {@link AllPassFilter}
 * 
 */

public class DynamoDBMasterToReplicasPipeline implements IKinesisConnectorPipeline {

    @Override
    public IEmitter getEmitter(final KinesisConnectorConfiguration configuration) {
        if (configuration instanceof DynamoDBStreamsConnectorConfiguration) {
            return new DynamoDBReplicationEmitter((DynamoDBStreamsConnectorConfiguration) configuration);
        } else {
            throw new IllegalArgumentException(this + " needs a DynamoDBStreamsConnectorConfiguration argument.");
        }

    }

    @Override
    public IBuffer getBuffer(final KinesisConnectorConfiguration configuration) {
        if (configuration instanceof DynamoDBStreamsConnectorConfiguration) {
            return new DynamoDBBuffer((DynamoDBStreamsConnectorConfiguration) configuration);
        } else {
            throw new IllegalArgumentException(this + " needs a DynamoDBStreamsConnectorConfiguration argument.");
        }
    }

    @Override
    public ITransformer getTransformer(final KinesisConnectorConfiguration configuration) {
        return new DynamoDBStreamsRecordTransformer();
    }

    @Override
    public IFilter getFilter(final KinesisConnectorConfiguration configuration) {
        return new AllPassFilter();
    }

}