io.jmix.eclipselink.persistence

Interface JoinExpressionProvider

All Known Implementing Classes:

AbstractJoinExpressionProvider, SoftDeleteJoinExpressionProvider

public interface JoinExpressionProvider

Generates additional join expression for entity mappings. Used in JoinCriteriaMappingProcessor. Every provider should be a Spring @Component.

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.

Method Detail

getJoinCriteriaExpression

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

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

Parameters:

mapping - mapping to be processed.

Returns:

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