org.apache.ws.jaxme.sqls

Interface JoinReference

All Superinterfaces:

SelectTableReference, TableReference

All Known Implementing Classes:

JoinReferenceImpl, OraJoinReferenceImpl

public interface JoinReference
extends SelectTableReference

This interface allows to specify join constraints.

Author:

Jochen Wiedmann

Method Summary

Methods

Modifier and Type	Method and Description
SelectTableReference	getLeftJoinedTableReference() If this is a left join or a left outer join: Returns the joins left table.
CombinedConstraint	getOn() Returns the references ON condition, if any.
boolean	isJoin() Returns whether this is a left join, as created by SelectTableReference.join(Table).
boolean	isLeftOuterJoin() Returns whether this is a left outer join, as created by SelectTableReference.leftOuterJoin(Table).

Methods inherited from interface org.apache.ws.jaxme.sqls.SelectTableReference

getRightJoinedTableReference, getSelectStatement, join, leftOuterJoin

Methods inherited from interface org.apache.ws.jaxme.sqls.TableReference

getAlias, getStatement, getTable, newColumnReference, newColumnReference, newColumnReference, setAlias, setAlias

Method Detail

isJoin

boolean isJoin()

Returns whether this is a left join, as created by SelectTableReference.join(Table).

isLeftOuterJoin

boolean isLeftOuterJoin()

Returns whether this is a left outer join, as created by SelectTableReference.leftOuterJoin(Table).

getLeftJoinedTableReference

SelectTableReference getLeftJoinedTableReference()

If this is a left join or a left outer join: Returns the joins left table.

getOn

CombinedConstraint getOn()

Returns the references ON condition, if any. The method result is a combined constraint with CombinedConstraint.getType() == CombinedConstraint.Type.AND.