com.j_spaces.jdbc.executor

Class HashedEntriesCursor

java.lang.Object

com.j_spaces.jdbc.executor.HashedEntriesCursor

All Implemented Interfaces:

EntriesCursor

public class HashedEntriesCursor
extends Object
implements EntriesCursor

Hash-based simple index for entry packets. Used for equi-joins.

Since:

7.1

Author:

anna

Constructor Summary

Constructors

Constructor and Description
HashedEntriesCursor(QueryTableData table, ExpNode indexNode, IQueryResultSet entries)

Method Summary

Modifier and Type	Method and Description
IEntryPacket	getCurrentEntry()
List<IEntryPacket>	getMatch(ColumnNode matchCol, IEntryPacket expectedMatch)
boolean	isBeforeFirst()
boolean	next()
void	reset()

Methods inherited from class java.lang.Object

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

Constructor Detail

HashedEntriesCursor

public HashedEntriesCursor(QueryTableData table,
                           ExpNode indexNode,
                           IQueryResultSet entries)

Parameters:

table -

indexNode -

Method Detail

getMatch

public List<IEntryPacket> getMatch(ColumnNode matchCol,
                                   IEntryPacket expectedMatch)

getCurrentEntry

public IEntryPacket getCurrentEntry()

Specified by:

getCurrentEntry in interface EntriesCursor

next

public boolean next()

Specified by:

next in interface EntriesCursor

reset

public void reset()

Specified by:

reset in interface EntriesCursor

isBeforeFirst

public boolean isBeforeFirst()

Specified by:

isBeforeFirst in interface EntriesCursor