org.imemex.operators.impl
Class AntiHashJoinPullOperator<E>

java.lang.Object
  org.imemex.operators.AbstractPullOperator<E>
      org.imemex.operators.impl.AntiHashJoinPullOperator<E>

All Implemented Interfaces:

java.util.Iterator<E>, Operator, PullOperator<E>

public class AntiHashJoinPullOperator<E>
extends AbstractPullOperator<E>

Version:

1.0 Anti-HashJoin over two input sets (given as PullOperators)

Author:

ogirard/aaukia

Nested Class Summary

Nested classes/interfaces inherited from interface org.imemex.operators.Operator

Operator.ExecTimeType

Field Summary

Fields inherited from class org.imemex.operators.AbstractPullOperator

measureNext

Constructor Summary

AntiHashJoinPullOperator(PullOperator<E> op1, PullOperator<E> all)
creates a new intersection operator result is all\op1

Method Summary

void	close() Does nothing.
java.util.List<PullOperator>	getInputOperators() Get input operators of this operator.
OperatorMetaData	getMetaData() Returns the meta data of this operator.
void	open() Does nothing.

Methods inherited from class org.imemex.operators.AbstractPullOperator

addExecTime, getDesc, getExecTime, getNumberOfElementsPassed, hasNext, next, peek, remove, setDesc, toObjectPullOperator, toString, toXML

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

AntiHashJoinPullOperator

public AntiHashJoinPullOperator(PullOperator<E> op1,
                                PullOperator<E> all)

creates a new intersection operator result is all\op1

Parameters:

op1 - input set 1 (PullOperator)

all - all Objects (PullOperator)

Method Detail

open

public void open()

Description copied from class: AbstractPullOperator

Does nothing.

Specified by:

open in interface Operator

Overrides:

open in class AbstractPullOperator<E>

close

public void close()

Description copied from class: AbstractPullOperator

Does nothing.

Specified by:

close in interface Operator

Overrides:

close in class AbstractPullOperator<E>

getMetaData

public OperatorMetaData getMetaData()

Description copied from class: AbstractPullOperator

Returns the meta data of this operator.

Specified by:

getMetaData in interface Operator

Overrides:

getMetaData in class AbstractPullOperator<E>

Returns:

meta data

getInputOperators

public java.util.List<PullOperator> getInputOperators()

Description copied from interface: PullOperator

Get input operators of this operator. This is mainly used to recursively generate an XML representation of an operator tree.

Specified by:

getInputOperators in interface PullOperator<E>

Overrides:

getInputOperators in class AbstractPullOperator<E>

Returns:

list of operators