Package com.semedy.reasoner.reasoning.processes

Class SortedIndexEnumeratorOneToOne

java.lang.Object

com.semedy.reasoner.reasoning.processes.SortedIndexEnumeratorOneToOne

All Implemented Interfaces:

SelectableIndexEnumerator, SortedIndexEnumerator, TupleEnumerator, Closeable, AutoCloseable

public class SortedIndexEnumeratorOneToOne
extends Object
implements SortedIndexEnumerator

Author:

Juergen.Angele

Constructor Summary

Constructors

Constructor	Description
SortedIndexEnumeratorOneToOne(SortedIndexEnumerator enm, Index[] nullIndices, int width)

Method Summary

Modifier and Type	Method	Description
TupleEnumerator	cloneEnumerator()	clones the enumerator
void	close()	close the enumerator
TupleBuffer	getBuffer()	get a buffer where the elements are inserted
boolean	hasFinished()	flag the end of the enumeration
boolean	hasMoreElements()	Are there more elements in enumeration?
void	nextElement()	creates the next element in the buffer
void	nextElement(long[] tuple)	Search for an tuple equal or greater to tuple. Returns next tuple in buffer.
void	nextElement(TupleBuffer tuple)	Search for an tuple equal or greater to tuple. Returns next tuple in buffer.
TupleEnumerator	selectedTuples()	return the enumerator for the matching tuples of the current element

Methods inherited from class java.lang.Object

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

Constructor Details

SortedIndexEnumeratorOneToOne

public SortedIndexEnumeratorOneToOne(SortedIndexEnumerator enm,
 Index[] nullIndices,
 int width)

Method Details

selectedTuples

public TupleEnumerator selectedTuples()
                               throws IOException

Description copied from interface: SelectableIndexEnumerator

return the enumerator for the matching tuples of the current element

Specified by:

selectedTuples in interface SelectableIndexEnumerator

Throws:

IOException

hasMoreElements

public boolean hasMoreElements()
                        throws IOException,
EDBException

Description copied from interface: TupleEnumerator

Are there more elements in enumeration?

Specified by:

hasMoreElements in interface TupleEnumerator

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

Throws:

IOException

EDBException

hasFinished

public boolean hasFinished()
                    throws IOException,
EDBException

Description copied from interface: TupleEnumerator

flag the end of the enumeration

Specified by:

hasFinished in interface TupleEnumerator

Throws:

IOException

EDBException

getBuffer

public TupleBuffer getBuffer()

Description copied from interface: TupleEnumerator

get a buffer where the elements are inserted

Specified by:

getBuffer in interface TupleEnumerator

Returns:

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

Throws:

IOException

cloneEnumerator

public TupleEnumerator cloneEnumerator()
                                throws IOException,
EDBException

Description copied from interface: TupleEnumerator

clones the enumerator

Specified by:

cloneEnumerator in interface TupleEnumerator

Throws:

IOException

EDBException

nextElement

public void nextElement(TupleBuffer tuple)
                 throws IOException

Description copied from interface: SortedIndexEnumerator

Search for an tuple equal or greater to tuple.
Returns next tuple in buffer.

Specified by:

nextElement in interface SortedIndexEnumerator

Parameters:

tuple - , the tuple to be compared

Throws:

IOException

nextElement

public void nextElement(long[] tuple)
                 throws IOException

Description copied from interface: SortedIndexEnumerator

Search for an tuple equal or greater to tuple.
Returns next tuple in buffer.

Specified by:

nextElement in interface SortedIndexEnumerator

Parameters:

tuple - , the tuple to be compared

Throws:

IOException