Package com.semedy.reasoner.reasoning.processes

Class TupleEnumeratorOneToOneJoin

java.lang.Object

com.semedy.reasoner.reasoning.processes.TupleEnumeratorCrossProduct

com.semedy.reasoner.reasoning.processes.TupleEnumeratorOneToOneJoin

All Implemented Interfaces:

TupleEnumerator, Closeable, AutoCloseable

public class TupleEnumeratorOneToOneJoin
extends TupleEnumeratorCrossProduct

Author:

angele

Constructor Summary

Constructors

Constructor	Description
TupleEnumeratorOneToOneJoin(OneToOneBaseRelation crossProductBaseRelation, TupleEnumerator[] enumerators, Index[] nullIndices)

Method Summary

Modifier and Type	Method	Description
void	close()	close the enumerator
TupleBuffer	getBuffer()	get a buffer where the elements are inserted
boolean	hasMoreElements()	Are there more elements in enumeration?
void	nextElement()	creates the next element in the buffer

Methods inherited from class com.semedy.reasoner.reasoning.processes.TupleEnumeratorCrossProduct

cloneEnumerator, hasFinished, nextElementIntern, setFilter

Methods inherited from class java.lang.Object

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

Constructor Details

TupleEnumeratorOneToOneJoin

public TupleEnumeratorOneToOneJoin(OneToOneBaseRelation crossProductBaseRelation,
 TupleEnumerator[] enumerators,
 Index[] nullIndices)
                            throws IOException,
EDBException

Throws:

IOException

EDBException

Method Details

getBuffer

public TupleBuffer getBuffer()

Description copied from interface: TupleEnumerator

get a buffer where the elements are inserted

Specified by:

getBuffer in interface TupleEnumerator

Overrides:

getBuffer in class TupleEnumeratorCrossProduct

Returns:

hasMoreElements

public boolean hasMoreElements()
                        throws IOException,
EDBException

Description copied from interface: TupleEnumerator

Are there more elements in enumeration?

Specified by:

hasMoreElements in interface TupleEnumerator

Overrides:

hasMoreElements in class TupleEnumeratorCrossProduct

Throws:

IOException

EDBException

nextElement

public void nextElement()
                 throws IOException,
EDBException

Description copied from interface: TupleEnumerator

creates the next element in the buffer

Specified by:

nextElement in interface TupleEnumerator

Overrides:

nextElement in class TupleEnumeratorCrossProduct

Throws:

IOException

EDBException

close

public void close()
           throws IOException

Description copied from interface: TupleEnumerator

close the enumerator

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface TupleEnumerator

Overrides:

close in class TupleEnumeratorCrossProduct

Throws:

IOException