/*
* 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.flume.sink.hbase;
import org.apache.flume.Context;
import org.apache.flume.Event;
import org.apache.flume.conf.ComponentConfiguration;
import org.hbase.async.AtomicIncrementRequest;
import org.hbase.async.PutRequest;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* An AsyncHBaseEventSerializer implementation that increments a configured
* column for the row whose row key is the event's body bytes.
*/
public class IncrementAsyncHBaseSerializer implements AsyncHbaseEventSerializer {
private byte[] table;
private byte[] cf;
private byte[] column;
private Event currentEvent;
@Override
public void initialize(byte[] table, byte[] cf) {
this.table = table;
this.cf = cf;
}
@Override
public void setEvent(Event event) {
this.currentEvent = event;
}
@Override
public List<PutRequest> getActions() {
return Collections.emptyList();
}
@Override
public List<AtomicIncrementRequest> getIncrements() {
List<AtomicIncrementRequest> incrs
= new ArrayList<AtomicIncrementRequest>();
AtomicIncrementRequest incr = new AtomicIncrementRequest(table,
currentEvent.getBody(), cf, column, 1);
incrs.add(incr);
return incrs;
}
@Override
public void cleanUp() {
}
@Override
public void configure(Context context) {
column = context.getString("column", "col").getBytes();
}
@Override
public void configure(ComponentConfiguration conf) {
}
}