flume/src/main/java/com/datatorrent/flume/storage/ErrorMaskingEventCodec.java

/**
 * Copyright (c) 2016 DataTorrent, Inc. 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.
 * 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 com.datatorrent.flume.storage;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.apache.flume.Event;

import com.datatorrent.netlet.util.Slice;

/**
 * <p>ErrorMaskingEventCodec class.</p>
 *
 * @author Chetan Narsude <chetan@datatorrent.com>
 * @since 1.0.4
 */
public class ErrorMaskingEventCodec extends EventCodec
{

  @Override
  public Object fromByteArray(Slice fragment)
  {
    try {
      return super.fromByteArray(fragment);
    } catch (RuntimeException re) {
      logger.warn("Cannot deserialize event {}", fragment, re);
    }

    return null;
  }

  @Override
  public Slice toByteArray(Event event)
  {
    try {
      return super.toByteArray(event);
    } catch (RuntimeException re) {
      logger.warn("Cannot serialize event {}", event, re);
    }

    return null;
  }


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