Package cascading.tuple.hadoop

Examples of cascading.tuple.hadoop.TupleSerialization

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    {
    super( threshold );
    this.codec = codec;

    if( configuration == null )
      this.tupleSerialization = new TupleSerialization();
    else
      this.tupleSerialization = new TupleSerialization( configuration );
    }
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  public void initialize( FlowProcess<? extends Configuration> flowProcess )
    {
    this.spillThreshold = getThreshold( flowProcess, defaultListThreshold );
    this.codec = HadoopSpillableTupleList.getCodec( flowProcess, HadoopSpillableTupleList.defaultCodecs );

    this.tupleSerialization = new TupleSerialization( flowProcess );
    }
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    if( conf == null )
      return;

    super.setConf( conf );

    tupleSerialization = new TupleSerialization( conf );

    // get new readers so deserializers don't compete for the buffer
    lhsStream = new HadoopTupleInputStream( lhsBuffer, tupleSerialization.getElementReader() );
    rhsStream = new HadoopTupleInputStream( rhsBuffer, tupleSerialization.getElementReader() );
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    }

  @Override
  public int compare( BufferedInputStream lhsStream, BufferedInputStream rhsStream )
    {
    HadoopTupleInputStream lhsInput = new HadoopTupleInputStream( lhsStream, new TupleSerialization().getElementReader() );
    HadoopTupleInputStream rhsInput = new HadoopTupleInputStream( rhsStream, new TupleSerialization().getElementReader() );

    try
      {
      // explicit for debugging purposes
      Long l1 = (Long) lhsInput.readVLong();
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    }

  @Override
  public int compare( BufferedInputStream lhsStream, BufferedInputStream rhsStream )
    {
    HadoopTupleInputStream lhsInput = new HadoopTupleInputStream( lhsStream, new TupleSerialization().getElementReader() );
    HadoopTupleInputStream rhsInput = new HadoopTupleInputStream( rhsStream, new TupleSerialization().getElementReader() );

    try
      {
      // explicit for debugging purposes
      String s1 = (String) lhsInput.readString();
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    }
  }

  private void init() {
    if (serialization == null) {
      serialization = new TupleSerialization(jobConf);
    }
  }
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Related Classes of cascading.tuple.hadoop.TupleSerialization

  • cascading.platform.hadoop.TestLongComparator
  • cascading.platform.hadoop.TestStringComparator
  • cascading.tuple.hadoop.collect.HadoopSpillableTupleList
  • cascading.tuple.hadoop.collect.HadoopTupleCollectionFactory
  • cascading.tuple.hadoop.io.IndexTupleDeserializer
  • cascading.tuple.hadoop.io.IndexTupleSerializer
  • cascading.tuple.hadoop.io.TupleDeserializer
  • cascading.tuple.hadoop.io.TuplePairDeserializer
  • cascading.tuple.hadoop.io.TuplePairSerializer
  • cascading.tuple.hadoop.io.TupleSerializer
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