Examples of cascading.flow.Flow.resourceExists()

cascading.flow.Flow.resourceExists()
Method resourceExists returns true if the resource represented by the given Tap instance exists. @param tap of type Tap @return boolean @throws IOException when

    validateLength( flow.openTapForRead( test ), 1 );


    if( getPlatform().isMapReduce() )
      {
      String stringPath = sink.getIdentifier().toString() + "/1-a/" + getPlatform().getHiddenTemporaryPath();
      assertFalse( flow.resourceExists( getPlatform().getTextFile( stringPath ) ) );


      stringPath = sink.getIdentifier().toString() + "/2-b/" + getPlatform().getHiddenTemporaryPath();
      assertFalse( flow.resourceExists( getPlatform().getTextFile( stringPath ) ) );
      }
    }

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      {
      String stringPath = sink.getIdentifier().toString() + "/1-a/" + getPlatform().getHiddenTemporaryPath();
      assertFalse( flow.resourceExists( getPlatform().getTextFile( stringPath ) ) );


      stringPath = sink.getIdentifier().toString() + "/2-b/" + getPlatform().getHiddenTemporaryPath();
      assertFalse( flow.resourceExists( getPlatform().getTextFile( stringPath ) ) );
      }
    }


  @Test
  public void testTemplateTapTextDelimited() throws IOException

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    Flow flow = getPlatform().getFlowConnector().connect( source, sink, pipe );


    flow.complete();


    assertTrue( flow.resourceExists( sink ) );
    }


  @Test
  public void testTapSourceConfigDef() throws IOException
    {

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    Flow flow = getPlatform().getFlowConnector().connect( source, sink, pipe );


    flow.complete();


    assertTrue( flow.resourceExists( sink ) );
    }


  @Test
  public void testTapSinkConfigDef() throws IOException
    {

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    Flow flow = getPlatform().getFlowConnector().connect( source, sink, pipe );


    flow.complete();


    assertTrue( flow.resourceExists( sink ) );
    }


  public static class ConfigSubAssembly extends SubAssembly
    {
    public ConfigSubAssembly( Pipe pipe )

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    Flow flow = getPlatform().getFlowConnector().connect( source, sink, pipe );


    flow.complete();


    assertTrue( flow.resourceExists( sink ) );
    }
  }

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    Flow flow = getPlatform().getFlowConnector( properties ).connect( source, sink, pipe );


    flow.complete();


    assertTrue( flow.resourceExists( sink ) );
    }


  @Test
  public void testSinkConfInit() throws IOException
    {

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    Flow flow = getPlatform().getFlowConnector( properties ).connect( source, sink, pipe );


    flow.complete();


    assertTrue( flow.resourceExists( sink ) );
    }
  }

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