org.apache.solr.client.solrj.io.ops

Class GroupOperation

java.lang.Object

org.apache.solr.client.solrj.io.ops.GroupOperation

All Implemented Interfaces:

Serializable, ReduceOperation, StreamOperation, Expressible

public class GroupOperation
extends Object
implements ReduceOperation

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GroupOperation(StreamComparator streamComparator, int size)
GroupOperation(StreamExpression expression, StreamFactory factory)

Method Summary

Modifier and Type	Method and Description
void	operate(Tuple tuple)
Tuple	reduce()
StreamExpressionParameter	toExpression(StreamFactory factory)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GroupOperation

public GroupOperation(StreamExpression expression,
                      StreamFactory factory)
               throws IOException

Throws:

IOException

GroupOperation

public GroupOperation(StreamComparator streamComparator,
                      int size)

Method Detail

toExpression

public StreamExpressionParameter toExpression(StreamFactory factory)
                                       throws IOException

Specified by:

toExpression in interface Expressible

Throws:

IOException

reduce

public Tuple reduce()

Specified by:

reduce in interface ReduceOperation

operate

public void operate(Tuple tuple)

Specified by:

operate in interface StreamOperation