Package net.sf.basedb.core

Class HqlQueryJoiners

java.lang.Object

net.sf.basedb.core.HqlQueryJoiners

public final class HqlQueryJoiners
extends Object

This class collects AutoJoiner:s for HqlQuery queries. The implementations are thread-safe and can be re-used between threads.

Version:

2.8

Author:

nicklas

Last modified

$Date: 2012-09-14 09:28:35 +0200 (fr, 14 sep 2012) $

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	HqlQueryJoiners.AnnotationJoiner	Joiner for annotations.
private static class	HqlQueryJoiners.ReporterListJoiner	Joiner for reporter lists.

Field Summary

Fields

Modifier and Type	Field	Description
static HqlQueryJoiners.ReporterListJoiner	REPORTER_LIST_INNER	This instance joins reporter lists with an inner join, unless the ReporterListExpression.getAutoJoinType() method overrides the default.
static HqlQueryJoiners.ReporterListJoiner	REPORTER_LIST_LEFT	This instance joins reporter lists with a left join, unless the ReporterListExpression.getAutoJoinType() method overrides the default.

Constructor Summary

Constructors

Constructor	Description
HqlQueryJoiners()

Method Summary

Modifier and Type	Method	Description
static HqlQueryJoiners.AnnotationJoiner	getAnnotationJoiner(JoinType joinType)	Get an annotation auto joiner.
static HqlQueryJoiners.ReporterListJoiner	getReporterListJoiner(JoinType joinType)	Get a joiner instance for raw data for the specified join type.

Methods inherited from class java.lang.Object

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

Field Details

REPORTER_LIST_LEFT

public static final HqlQueryJoiners.ReporterListJoiner REPORTER_LIST_LEFT

This instance joins reporter lists with a left join, unless the ReporterListExpression.getAutoJoinType() method overrides the default.

REPORTER_LIST_INNER

public static final HqlQueryJoiners.ReporterListJoiner REPORTER_LIST_INNER

This instance joins reporter lists with an inner join, unless the ReporterListExpression.getAutoJoinType() method overrides the default.

Constructor Details

HqlQueryJoiners

public HqlQueryJoiners()

Method Details

getReporterListJoiner

public static HqlQueryJoiners.ReporterListJoiner getReporterListJoiner(JoinType joinType)

Get a joiner instance for raw data for the specified join type.

Parameters:

joinType - The type of join

Returns:

REPORTER_LIST_LEFT or REPORTER_LIST_INNER

getAnnotationJoiner

public static HqlQueryJoiners.AnnotationJoiner getAnnotationJoiner(JoinType joinType)

Get an annotation auto joiner. Do not use the same auto-joiner for more than one query, since it will only join a given annotation type once.