content: /**
   * 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.apps.logstream;
  
  import org.apache.apex.malhar.lib.io.ConsoleOutputOperator;
  import org.apache.apex.malhar.lib.stream.JsonByteArrayOperator;
  import org.apache.hadoop.conf.Configuration;
  
  import com.datatorrent.api.Context.PortContext;
  import com.datatorrent.api.DAG;
  import com.datatorrent.api.StreamingApplication;
  
  import com.datatorrent.apps.logstream.PropertyRegistry.LogstreamPropertyRegistry;
  
  /**
   *
   * New logstream application.
   * Takes inputs for log types, filters, dimensions and other properties from configuration file and creates multiple
   * operator partitions to cater to those user inputs. It sends the final computation results through the widget output.
   *
   * @since 0.9.4
   */
  public class Application1 implements StreamingApplication
  {
    @Override
    public void populateDAG(DAG dag, Configuration c)
    {
      int topNtupleCount = 10;
      LogstreamPropertyRegistry registry = new LogstreamPropertyRegistry();
      // set app name
      dag.setAttribute(DAG.APPLICATION_NAME, "Logstream Application");
      dag.setAttribute(DAG.STREAMING_WINDOW_SIZE_MILLIS, 500);
  
      RabbitMQLogsInputOperator logInput = dag.addOperator("LogInput", new RabbitMQLogsInputOperator());
      logInput.setRegistry(registry);
      logInput.addPropertiesFromString(new String[] {"localhost:5672", "logsExchange", "direct", "apache:mysql:syslog:system"});
  
      JsonByteArrayOperator jsonToMap = dag.addOperator("JsonToMap", new JsonByteArrayOperator());
      jsonToMap.setConcatenationCharacter('_');
  
      FilterOperator filterOperator = dag.addOperator("FilterOperator", new FilterOperator());
      filterOperator.setRegistry(registry);
      filterOperator.addFilterCondition(new String[] {"type=apache", "response", "response.equals(\"404\")"});
      filterOperator.addFilterCondition(new String[] {"type=apache", "agentinfo_name", "agentinfo_name.equals(\"Firefox\")"});
      filterOperator.addFilterCondition(new String[] {"type=apache", "default=true"});
      filterOperator.addFilterCondition(new String[] {"type=mysql", "default=true"});
      filterOperator.addFilterCondition(new String[] {"type=syslog", "default=true"});
      filterOperator.addFilterCondition(new String[] {"type=system", "default=true"});
  
      DimensionOperator dimensionOperator = dag.addOperator("DimensionOperator", new DimensionOperator());
      dimensionOperator.setRegistry(registry);
      String[] dimensionInputString1 = new String[] {"type=apache", "timebucket=s", "dimensions=request", "dimensions=clientip", "dimensions=clientip:request", "values=bytes.sum:bytes.avg"};
      //String[] dimensionInputString1 = new String[] {"type=apache", "timebucket=s", "dimensions=request", "dimensions=clientip","values=bytes.sum"};
      String[] dimensionInputString2 = new String[] {"type=system", "timebucket=s", "dimensions=disk", "values=writes.avg"};
      String[] dimensionInputString3 = new String[] {"type=syslog", "timebucket=s", "dimensions=program", "values=pid.count"};
      dimensionOperator.addPropertiesFromString(dimensionInputString1);
      dimensionOperator.addPropertiesFromString(dimensionInputString2);
      dimensionOperator.addPropertiesFromString(dimensionInputString3);
  
      LogstreamTopN topN = dag.addOperator("TopN", new LogstreamTopN());
      topN.setN(topNtupleCount);
      topN.setRegistry(registry);
  
      LogstreamWidgetOutputOperator widgetOut = dag.addOperator("WidgetOut", new LogstreamWidgetOutputOperator());
      widgetOut.logstreamTopNInput.setN(topNtupleCount);
      widgetOut.setRegistry(registry);
  
      ConsoleOutputOperator consoleOut = dag.addOperator("ConsoleOut", new ConsoleOutputOperator());
  
      dag.addStream("inputJSonToMap", logInput.outputPort, jsonToMap.input);
      dag.addStream("toFilterOper", jsonToMap.outputFlatMap, filterOperator.input);
      dag.addStream("toDimensionOper", filterOperator.outputMap, dimensionOperator.in);
      dag.addStream("toTopN", dimensionOperator.aggregationsOutput, topN.data);
      dag.addStream("toWS", topN.top, widgetOut.logstreamTopNInput, consoleOut.input);
  
      dag.setInputPortAttribute(jsonToMap.input, PortContext.PARTITION_PARALLEL, true);
      dag.setInputPortAttribute(filterOperator.input, PortContext.PARTITION_PARALLEL, true);
      dag.setInputPortAttribute(consoleOut.input, PortContext.PARTITION_PARALLEL, true);
    }
  
  }
  