lang/java/reef-wake/wake/src/test/java/org/apache/reef/wake/test/remote/TestEventCodec.java

/*
 * 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.reef.wake.test.remote;

import com.google.protobuf.InvalidProtocolBufferException;
import org.apache.reef.wake.remote.Codec;
import org.apache.reef.wake.remote.exception.RemoteRuntimeException;
import org.apache.reef.wake.test.proto.TestProtos.TestEventPBuf;

/**
 * TestEvent codec using the protocol buffer.
 */
public class TestEventCodec implements Codec<TestEvent> {

  @Override
  public byte[] encode(final TestEvent obj) {
    final TestEventPBuf.Builder builder = TestEventPBuf.newBuilder();
    builder.setMessage(obj.getMessage());
    builder.setLoad(obj.getLoad());
    return builder.build().toByteArray();
  }

  @Override
  public TestEvent decode(final byte[] data) {
    final TestEventPBuf pbuf;
    try {
      pbuf = TestEventPBuf.parseFrom(data);
    } catch (final InvalidProtocolBufferException e) {
      e.printStackTrace();
      throw new RemoteRuntimeException(e);
    }

    return new TestEvent(pbuf.getMessage(), pbuf.getLoad());
  }

}