org.apache.jackrabbit.spi.commons.query.jsr283.qom
Interface Join

All Superinterfaces:

Source

All Known Implementing Classes:

JoinImpl

public interface Join
extends Source

Performs a join between two node-tuple sources.

The query is invalid if left is the same source as right.

Since:

JCR 2.0

Method Summary

JoinCondition	getJoinCondition() Gets the join condition.
int	getJoinType() Gets the join type.
Source	getLeft() Gets the left node-tuple source.
Source	getRight() Gets the right node-tuple source.

Method Detail

getLeft

Source getLeft()

Gets the left node-tuple source.

Returns:

the left source; non-null

getRight

Source getRight()

Gets the right node-tuple source.

Returns:

the right source; non-null

getJoinType

int getJoinType()

Gets the join type.

Returns:

either

• QueryObjectModelConstants.JOIN_TYPE_INNER,
• QueryObjectModelConstants.JOIN_TYPE_LEFT_OUTER,
• QueryObjectModelConstants.JOIN_TYPE_RIGHT_OUTER

getJoinCondition

JoinCondition getJoinCondition()

Gets the join condition.

Returns:

the join condition; non-null