| /* |
| * Copyright (c) 2013 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.samples.lib.math; |
| |
| import org.apache.hadoop.conf.Configuration; |
| |
| import com.datatorrent.api.StreamingApplication; |
| import com.datatorrent.api.DAG; |
| import com.datatorrent.lib.io.ConsoleOutputOperator; |
| import com.datatorrent.lib.math.CompareMap; |
| |
| |
| /** |
| * This sample application code for showing sample usage of malhar operator(s). <br> |
| * <b>Operator : </b> CompareMap <br> |
| * <bClass : </b> com.datatorrent.lib.math.CompareMap |
| * |
| * @since 0.3.2 |
| */ |
| public class CompreMapSample implements StreamingApplication |
| { |
| @SuppressWarnings("unchecked") |
| @Override |
| public void populateDAG(DAG dag, Configuration conf) |
| { |
| // Create application dag. |
| dag.setAttribute(DAG.APPLICATION_NAME, "CompareMapApplication"); |
| dag.setAttribute(DAG.DEBUG, true); |
| |
| // Add random integer generator operator |
| RandomKeyValues rand = dag.addOperator("rand", RandomKeyValues.class); |
| |
| CompareMap<String, Integer> compare = dag.addOperator("compare", |
| CompareMap.class); |
| compare.setTypeLTE(); |
| compare.setValue(50); |
| |
| // Connect to output console operator |
| ConsoleOutputOperator console = dag.addOperator("console", |
| new ConsoleOutputOperator()); |
| dag.addStream("consolestream", compare.compare, console.input); |
| |
| // done |
| } |
| } |