core/src/main/java/org/apache/hadoop/chukwa/extraction/hbase/DefaultProcessor.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.hadoop.chukwa.extraction.hbase;

import java.lang.reflect.Type;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.security.NoSuchAlgorithmException;
import java.util.HashMap;
import java.util.Map;

import org.apache.hadoop.chukwa.util.HBaseUtil;
import org.apache.hadoop.hbase.client.Put;
import org.apache.log4j.Logger;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;

public class DefaultProcessor extends AbstractProcessor {

  public DefaultProcessor() throws NoSuchAlgorithmException {
    super();
    // TODO Auto-generated constructor stub
  }

  static Logger LOG = Logger.getLogger(DefaultProcessor.class);

  @Override
  protected void parse(byte[] recordEntry) throws Throwable {
    byte[] key = HBaseUtil.buildKey(time, chunk.getDataType(),
        chunk.getSource());
    Put put = new Put(key);
    byte[] timeInBytes = ByteBuffer.allocate(8).putLong(time).array();
    put.addColumn("t".getBytes(Charset.forName("UTF-8")), timeInBytes,
        chunk.getData());
    output.add(put);
    Type defaultType = new TypeToken<Map<String, String>>() {
    }.getType();
    Gson gson = new Gson();
    Map<String, String> meta = new HashMap<String, String>();
    meta.put("sig", new String(key, Charset.forName("UTF-8")));
    meta.put("type", "unknown");
    String buffer = gson.toJson(meta, defaultType);
    reporter.put(chunk.getDataType(), chunk.getSource(), buffer);
  }

}