Module litebridge.orm

Package org.litebridge.orm.api.dto

Class DtoJoinClause<DTO>

java.lang.Object

org.litebridge.orm.api.select.impl.AbstractJoinClause<DTO,DtoJoinConditionClause<DTO>,DtoJoinConditionClauseTerminal<DTO>,DtoSelectSpec,DtoJoinSpec>

org.litebridge.orm.api.dto.DtoJoinClause<DTO>

Type Parameters:

DTO - the type of the DTO being queried

All Implemented Interfaces:

JoinClause<DTO,DtoJoinConditionClause<DTO>,DtoJoinConditionClauseTerminal<DTO>>

public final class DtoJoinClause<DTO>
extends org.litebridge.orm.api.select.impl.AbstractJoinClause<DTO,DtoJoinConditionClause<DTO>,DtoJoinConditionClauseTerminal<DTO>,DtoSelectSpec,DtoJoinSpec>

Represents a JOIN clause in a DTO-based query.

Field Summary

Fields inherited from class org.litebridge.orm.api.select.impl.AbstractJoinClause

delegate, joinSpec

Constructor Summary

Constructors

Constructor	Description
DtoJoinClause(Class<?> dtoClass, OrmTable joinTable, DtoSelector<DTO> delegate)	Creates a new instance of DtoJoinClause.

Method Summary

Modifier and Type	Method	Description
DtoJoinConditionClauseTerminal<DTO>	on(String field)	Adds a join ON condition to the current join clause based on the specified field.
DtoJoinConditionClauseTerminal<DTO>	on(ExpressionSpec expression)	Adds a join ON condition based on a query expression.

Methods inherited from class java.lang.Object

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

Constructor Details

DtoJoinClause

public DtoJoinClause(Class<?> dtoClass,
 OrmTable joinTable,
 DtoSelector<DTO> delegate)

Creates a new instance of DtoJoinClause.

Parameters:

dtoClass - the class of the DTO being joined

joinTable - the metadata of the table being joined

delegate - the selector delegate for further query building

Method Details

on

public DtoJoinConditionClauseTerminal<DTO> on(String field)

Adds a join ON condition to the current join clause based on the specified field. The join condition constrains the relationship between the tables being joined.

Parameters:

field - the name of the field to be used in the join condition

Returns:

an instance of the join condition clause to allow further configuration

on

public DtoJoinConditionClauseTerminal<DTO> on(ExpressionSpec expression)

Adds a join ON condition based on a query expression.

Parameters:

expression - the expression to use for the join condition

Returns:

an instance of the join condition clause to allow further configuration