io.jmix.eclipselink.impl.mapping

Class AbstractJoinExpressionProvider

java.lang.Object

io.jmix.eclipselink.impl.mapping.AbstractJoinExpressionProvider

All Implemented Interfaces:

JoinExpressionProvider

Direct Known Subclasses:

SoftDeleteJoinExpressionProvider

public abstract class AbstractJoinExpressionProvider
extends java.lang.Object
implements JoinExpressionProvider

Simplifies join expression generation depending on mapping type.

Constructor Summary

Constructors

Constructor and Description
AbstractJoinExpressionProvider()

Method Summary

Modifier and Type	Method and Description
org.eclipse.persistence.expressions.Expression	getJoinCriteriaExpression(org.eclipse.persistence.mappings.DatabaseMapping mapping) Returns join expression that can be applied to certain types of mappings.
protected abstract org.eclipse.persistence.expressions.Expression	processManyToManyMapping(org.eclipse.persistence.mappings.ManyToManyMapping mapping)
protected abstract org.eclipse.persistence.expressions.Expression	processManyToOneMapping(org.eclipse.persistence.mappings.ManyToOneMapping mapping)
protected abstract org.eclipse.persistence.expressions.Expression	processOneToManyMapping(org.eclipse.persistence.mappings.OneToManyMapping mapping)
protected abstract org.eclipse.persistence.expressions.Expression	processOneToOneMapping(org.eclipse.persistence.mappings.OneToOneMapping mapping)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractJoinExpressionProvider

public AbstractJoinExpressionProvider()

Method Detail

getJoinCriteriaExpression

@Nullable
public org.eclipse.persistence.expressions.Expression getJoinCriteriaExpression(org.eclipse.persistence.mappings.DatabaseMapping mapping)

Description copied from interface: JoinExpressionProvider

Returns join expression that can be applied to certain types of mappings.

Specified by:

getJoinCriteriaExpression in interface JoinExpressionProvider

Parameters:

mapping - mapping to be processed.

Returns:

EclipseLink's expression object, similar to criteria API expression.

processOneToManyMapping

@Nullable
protected abstract org.eclipse.persistence.expressions.Expression processOneToManyMapping(org.eclipse.persistence.mappings.OneToManyMapping mapping)

processOneToOneMapping

@Nullable
protected abstract org.eclipse.persistence.expressions.Expression processOneToOneMapping(org.eclipse.persistence.mappings.OneToOneMapping mapping)

processManyToOneMapping

@Nullable
protected abstract org.eclipse.persistence.expressions.Expression processManyToOneMapping(org.eclipse.persistence.mappings.ManyToOneMapping mapping)

processManyToManyMapping

@Nullable
protected abstract org.eclipse.persistence.expressions.Expression processManyToManyMapping(org.eclipse.persistence.mappings.ManyToManyMapping mapping)