/**
 * 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 com.datatorrent.samples.lib.math;

import com.datatorrent.api.StreamingApplication;
import com.datatorrent.api.DAG;
import com.datatorrent.lib.io.*;
import com.datatorrent.lib.testbench.RandomEventGenerator;
import org.apache.hadoop.conf.Configuration;

/**
 * <b> Usage Operator : </b> com.datatorrent.lib.testbench.RandomEventGenerator <br>
 * This sample usage for predefined operator <b>RandomEventGenerator</b>. <br>
 * Random generator output is printed to output console(can be any downstream operator).
 *
 * @since 0.3.2
 */
public class RandomEvenetGeneratorSample implements StreamingApplication
{
	@Override
	public void populateDAG(DAG dag, Configuration conf)
	{
		// Create application dag.
	    dag.setAttribute(DAG.APPLICATION_NAME, "RandomEventGeneratorApplication");
	    dag.setAttribute(DAG.DEBUG, true);

	    // Add random integer generator operator
	    RandomEventGenerator rand = dag.addOperator("rand", RandomEventGenerator.class);
	    rand.setMaxvalue(999999999);
	    rand.setTuplesBlast(10);
	    rand.setTuplesBlastIntervalMillis(1000);

	    // Connect to output console operator
	    ConsoleOutputOperator console = dag.addOperator("console", new ConsoleOutputOperator());
	    dag.addStream("rand_console",rand.integer_data , console.input);

	    // done
	}


}