本文整理了Java中cascading.flow.Flow.getSourcesCollection()方法的一些代码示例，展示了Flow.getSourcesCollection()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Flow.getSourcesCollection()方法的具体详情如下：
包路径：cascading.flow.Flow
类名称：Flow
方法名：getSourcesCollection

Flow.getSourcesCollection介绍

[英]Method getSourcesCollection returns a Collection of source Taps for this Flow object.
[中]方法getSourcesCollection返回此流对象的源抽头集合。

代码示例

代码示例来源：origin: cwensel/cascading

public static List<Tuple> getSourceAsList( Flow flow ) throws IOException
 {
 return asCollection( flow, (Tap) flow.getSourcesCollection().iterator().next(), Fields.ALL, new ArrayList<Tuple>() );
 }

代码示例来源：origin: cwensel/cascading

private void makeGraph( Flow[] flows )
 {
 for( Flow flow : flows )
  {
  LinkedList<Tap> sources = new LinkedList<Tap>( flow.getSourcesCollection() );
  LinkedList<Tap> sinks = new LinkedList<Tap>( flow.getSinksCollection() );
  sinks.addAll( flow.getCheckpointsCollection() );
  unwrapCompositeTaps( sources );
  unwrapCompositeTaps( sinks );
  for( Tap source : sources )
   addVertex( getVertex( flow, source ) );
  for( Tap sink : sinks )
   addVertex( getVertex( flow, sink ) );
  for( Tap source : sources )
   {
   for( Tap sink : sinks )
    addEdgeFor( flow, source, sink );
   }
  }
 }

代码示例来源：origin: cwensel/cascading

@Test
public void testCheckpointTapCascade() throws IOException
 {
 if( !getPlatform().isMapReduce() )
  return;
 getPlatform().copyFromLocal( inputFileIps );
 String path = "checkpoint";
 Flow first = firstFlow( path + "/first", false );
 Flow second = secondFlow( first.getSink(), path + "/second" );
 Flow third = thirdCheckpointFlow( second.getSink(), path + "/third" );
 Flow fourth = fourthFlow( (Tap) third.getCheckpoints().values().iterator().next(), path + "/fourth" );
 Cascade cascade = new CascadeConnector( getProperties() ).connect( fourth, second, third, first );
 cascade.start();
 cascade.complete();
 validateLength( fourth, 20 );
 assertTrue( cascade.getHeadFlows().contains( first ) );
 assertTrue( cascade.getSourceTaps().containsAll( first.getSourcesCollection() ) );
 assertTrue( cascade.getIntermediateTaps().containsAll( third.getCheckpointsCollection() ) );
 assertTrue( cascade.getCheckpointsTaps().containsAll( third.getCheckpointsCollection() ) );
 assertTrue( cascade.getTailFlows().contains( fourth ) );
 assertTrue( cascade.getSinkTaps().containsAll( fourth.getSinksCollection() ) );
 }

代码示例来源：origin: cascading/cascading-platform

@Test
public void testCheckpointTapCascade() throws IOException
 {
 if( !getPlatform().isMapReduce() )
  return;
 getPlatform().copyFromLocal( inputFileIps );
 String path = "checkpoint";
 Flow first = firstFlow( path + "/first", false );
 Flow second = secondFlow( first.getSink(), path + "/second" );
 Flow third = thirdCheckpointFlow( second.getSink(), path + "/third" );
 Flow fourth = fourthFlow( (Tap) third.getCheckpoints().values().iterator().next(), path + "/fourth" );
 Cascade cascade = new CascadeConnector( getProperties() ).connect( fourth, second, third, first );
 cascade.start();
 cascade.complete();
 validateLength( fourth, 20 );
 assertTrue( cascade.getHeadFlows().contains( first ) );
 assertTrue( cascade.getSourceTaps().containsAll( first.getSourcesCollection() ) );
 assertTrue( cascade.getIntermediateTaps().containsAll( third.getCheckpointsCollection() ) );
 assertTrue( cascade.getCheckpointsTaps().containsAll( third.getCheckpointsCollection() ) );
 assertTrue( cascade.getTailFlows().contains( fourth ) );
 assertTrue( cascade.getSinkTaps().containsAll( fourth.getSinksCollection() ) );
 }

代码示例来源：origin: cwensel/cascading

@Test
public void testSimpleCascade() throws IOException
 {
 getPlatform().copyFromLocal( inputFileIps );
 String path = "simple";
 Flow first = firstFlow( path + "/first", false );
 Flow second = secondFlow( first.getSink(), path + "/second" );
 Flow third = thirdFlow( second.getSink(), path + "/third" );
 Flow fourth = fourthFlow( third.getSink(), path + "/fourth" );
 Cascade cascade = new CascadeConnector( getProperties() ).connect( fourth, second, third, first );
 cascade.start();
 cascade.complete();
 validateLength( fourth, 20 );
 assertTrue( cascade.getHeadFlows().contains( first ) );
 assertTrue( cascade.getSourceTaps().containsAll( first.getSourcesCollection() ) );
 assertTrue( cascade.getTailFlows().contains( fourth ) );
 assertTrue( cascade.getSinkTaps().containsAll( fourth.getSinksCollection() ) );
 }

代码示例来源：origin: cascading/cascading-platform

@Test
public void testSimpleCascade() throws IOException
 {
 getPlatform().copyFromLocal( inputFileIps );
 String path = "simple";
 Flow first = firstFlow( path + "/first", false );
 Flow second = secondFlow( first.getSink(), path + "/second" );
 Flow third = thirdFlow( second.getSink(), path + "/third" );
 Flow fourth = fourthFlow( third.getSink(), path + "/fourth" );
 Cascade cascade = new CascadeConnector( getProperties() ).connect( fourth, second, third, first );
 cascade.start();
 cascade.complete();
 validateLength( fourth, 20 );
 assertTrue( cascade.getHeadFlows().contains( first ) );
 assertTrue( cascade.getSourceTaps().containsAll( first.getSourcesCollection() ) );
 assertTrue( cascade.getTailFlows().contains( fourth ) );
 assertTrue( cascade.getSinkTaps().containsAll( fourth.getSinksCollection() ) );
 }