/***********************************************************************************************************************
 *
 * Copyright (C) 2010-2014 by the Stratosphere project (http://stratosphere.eu)
 *
 * 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 eu.stratosphere.streaming.examples.window.wordcount;

import eu.stratosphere.api.java.tuple.Tuple3;
import eu.stratosphere.streaming.api.invokable.UserTaskInvokable;
import eu.stratosphere.streaming.api.streamrecord.StreamRecord;

public class WindowWordCountSplitter extends UserTaskInvokable {
	private String[] words = new String[] {};
	private Long timestamp = 0L;
	private StreamRecord outputRecord = new StreamRecord(3);

	@Override
	public void invoke(StreamRecord record) throws Exception {
		outputRecord.Clear();
		words = record.getString(0).split(" ");
		timestamp = record.getLong(1);
		for (String word : words) {
			Tuple3<String, Integer, Long> tuple =new Tuple3<String, Integer, Long>(word, 1, timestamp);
			outputRecord.addTuple(tuple);
		}
		emit(outputRecord);
	}
}