net.sf.basedb.core
Class DynamicSpotQueryJoiners.ExtraValueJoiner

java.lang.Object
  net.sf.basedb.core.DynamicSpotQueryJoiners.ExtraValueJoiner

All Implemented Interfaces:

AutoJoiner<DynamicSpotQuery,ExtraValueExpression>

Enclosing class:

DynamicSpotQueryJoiners

private static class DynamicSpotQueryJoiners.ExtraValueJoiner
extends Object
implements AutoJoiner<DynamicSpotQuery,ExtraValueExpression>

Joiner for extra values.

Version:

2.0

Author:

nicklas

Last modified

$Date: 2008-09-11 22:11:02 +0200 (Thu, 11 Sep 2008) $

Field Summary

private JoinType

joinType

Constructor Summary

private

DynamicSpotQueryJoiners.ExtraValueJoiner(JoinType joinType)

Method Summary

Class<ExtraValueExpression>	getElementClass() The type of the query element the implementation works for.
Class<DynamicSpotQuery>	getQueryClass() The type of the query the implementation works for.
void	joinIfNeeded(DynamicSpotQuery query, ExtraValueExpression element) Automatically join the tables that is is needed by the query element unless they are already joined.

Methods inherited from class java.lang.Object

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

Field Detail

joinType

private final JoinType joinType

Constructor Detail

DynamicSpotQueryJoiners.ExtraValueJoiner

private DynamicSpotQueryJoiners.ExtraValueJoiner(JoinType joinType)

Method Detail

getQueryClass

public Class<DynamicSpotQuery> getQueryClass()

Description copied from interface: AutoJoiner

The type of the query the implementation works for. This can be an actual subclass or a superclass.

Specified by:

getQueryClass in interface AutoJoiner<DynamicSpotQuery,ExtraValueExpression>

Returns:

A class object representing the query type

getElementClass

public Class<ExtraValueExpression> getElementClass()

Description copied from interface: AutoJoiner

The type of the query element the implementation works for. This can be an actual subclass or a superclass.

Specified by:

getElementClass in interface AutoJoiner<DynamicSpotQuery,ExtraValueExpression>

Returns:

A class object representing the query element type

joinIfNeeded

public void joinIfNeeded(DynamicSpotQuery query,
                         ExtraValueExpression element)

Description copied from interface: AutoJoiner

Automatically join the tables that is is needed by the query element unless they are already joined.

Specified by:

joinIfNeeded in interface AutoJoiner<DynamicSpotQuery,ExtraValueExpression>

Parameters:

query - The query

element - The query element