Uses of Class
org.apache.pig.impl.io.PigNullableWritable

Packages that use PigNullableWritable
org.apache.pig.backend.hadoop   
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer   
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners   
org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators   
org.apache.pig.impl.io   
 

Uses of PigNullableWritable in org.apache.pig.backend.hadoop
 

Methods in org.apache.pig.backend.hadoop that return PigNullableWritable
static PigNullableWritable HDataType.getWritableComparableTypes(byte type)
           
static PigNullableWritable HDataType.getWritableComparableTypes(Object o, byte keyType)
           
 

Uses of PigNullableWritable in org.apache.pig.backend.hadoop.executionengine.mapReduceLayer
 

Fields in org.apache.pig.backend.hadoop.executionengine.mapReduceLayer with type parameters of type PigNullableWritable
protected  org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> PigMapReduce.Reduce.outputCollector
           
 

Methods in org.apache.pig.backend.hadoop.executionengine.mapReduceLayer with parameters of type PigNullableWritable
 void PigMapReduce.Reduce.reduce(PigNullableWritable key, Iterator<NullableTuple> tupIter, org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc, org.apache.hadoop.mapred.Reporter reporter)
          The reduce function which packages the key and List<Tuple> into key, Bag<Tuple> after converting Hadoop type key into Pig type.
 void PigMapReduce.ReduceWithComparator.reduce(PigNullableWritable key, Iterator<NullableTuple> tupIter, org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc, org.apache.hadoop.mapred.Reporter reporter)
          The reduce function which packages the key and List<Tuple> into key, Bag<Tuple> after converting Hadoop type key into Pig type.
 void PigCombiner.Combine.reduce(PigNullableWritable key, Iterator<NullableTuple> tupIter, org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc, org.apache.hadoop.mapred.Reporter reporter)
          The reduce function which packages the key and List <Tuple> into key, Bag<Tuple> after converting Hadoop type key into Pig type.
 void DistinctCombiner.Combine.reduce(PigNullableWritable key, Iterator<NullableTuple> tupIter, org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc, org.apache.hadoop.mapred.Reporter reporter)
          The reduce function which removes values.
 

Method parameters in org.apache.pig.backend.hadoop.executionengine.mapReduceLayer with type arguments of type PigNullableWritable
 void PigMapReduce.Map.collect(org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc, Tuple tuple)
           
 void PigMapReduce.MapWithComparator.collect(org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc, Tuple tuple)
           
 void PigMapReduce.MapWithPartitionIndex.collect(org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc, Tuple tuple)
           
 void PigMapOnly.Map.collect(org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc, Tuple tuple)
           
abstract  void PigMapBase.collect(org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc, Tuple tuple)
           
 void PigMapBase.map(org.apache.hadoop.io.Text key, Tuple inpTuple, org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc, org.apache.hadoop.mapred.Reporter reporter)
          The map function that attaches the inpTuple appropriately and executes the map plan if its not empty.
 boolean PigMapReduce.Reduce.processOnePackageOutput(org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc)
           
 boolean PigCombiner.Combine.processOnePackageOutput(org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc)
           
 void PigMapReduce.Reduce.reduce(PigNullableWritable key, Iterator<NullableTuple> tupIter, org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc, org.apache.hadoop.mapred.Reporter reporter)
          The reduce function which packages the key and List<Tuple> into key, Bag<Tuple> after converting Hadoop type key into Pig type.
 void PigMapReduce.ReduceWithComparator.reduce(PigNullableWritable key, Iterator<NullableTuple> tupIter, org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc, org.apache.hadoop.mapred.Reporter reporter)
          The reduce function which packages the key and List<Tuple> into key, Bag<Tuple> after converting Hadoop type key into Pig type.
 void PigCombiner.Combine.reduce(PigNullableWritable key, Iterator<NullableTuple> tupIter, org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc, org.apache.hadoop.mapred.Reporter reporter)
          The reduce function which packages the key and List <Tuple> into key, Bag<Tuple> after converting Hadoop type key into Pig type.
 void DistinctCombiner.Combine.reduce(PigNullableWritable key, Iterator<NullableTuple> tupIter, org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc, org.apache.hadoop.mapred.Reporter reporter)
          The reduce function which removes values.
 

Uses of PigNullableWritable in org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners
 

Fields in org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners with type parameters of type PigNullableWritable
static Map<PigNullableWritable,DiscreteProbabilitySampleGenerator> WeightedRangePartitioner.weightedParts
           
 

Methods in org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners with parameters of type PigNullableWritable
 int WeightedRangePartitioner.getPartition(PigNullableWritable key, org.apache.hadoop.io.Writable value, int numPartitions)
           
 int SkewedPartitioner.getPartition(PigNullableWritable wrappedKey, org.apache.hadoop.io.Writable value, int numPartitions)
           
 int SecondaryKeyPartitioner.getPartition(PigNullableWritable key, org.apache.hadoop.io.Writable value, int numPartitions)
           
 

Uses of PigNullableWritable in org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators
 

Methods in org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators with parameters of type PigNullableWritable
 void POPackage.attachInput(PigNullableWritable k, Iterator<NullableTuple> inp)
          Attaches the required inputs
 void POMultiQueryPackage.attachInput(PigNullableWritable k, Iterator<NullableTuple> inp)
           
 

Uses of PigNullableWritable in org.apache.pig.impl.io
 

Subclasses of PigNullableWritable in org.apache.pig.impl.io
 class NullableBag
           
 class NullableBooleanWritable
           
 class NullableBytesWritable
           
 class NullableDoubleWritable
           
 class NullableFloatWritable
           
 class NullableIntWritable
           
 class NullableLongWritable
           
 class NullablePartitionWritable
          NullablePartitionWritable is an adaptor class around PigNullableWritable that adds a partition index to the class.
 class NullableText
           
 class NullableTuple
           
 class NullableUnknownWritable
          This class can be used when data type is 'Unknown' and there is a need for PigNullableWritable object.
 

Methods in org.apache.pig.impl.io that return PigNullableWritable
 PigNullableWritable NullablePartitionWritable.getKey()
           
 

Methods in org.apache.pig.impl.io with parameters of type PigNullableWritable
 void NullablePartitionWritable.setKey(PigNullableWritable k)
           
 

Constructors in org.apache.pig.impl.io with parameters of type PigNullableWritable
NullablePartitionWritable(PigNullableWritable k)
           
 



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