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Java Source Code / Java Documentation » 6.0 JDK Modules » jsr 283 » javax.jcr.query.qom

Source Cross Reference Class Diagram Java Document (Java Doc)

javax.jcr.query.qom .DescendantNodeJoin

DescendantNodeJoin

public interface DescendantNodeJoin extends JoinCondition(Code)

Tests whether the DescendantNodeJoin.getDescendantSelectorName descendantSelector node is a descendant of the DescendantNodeJoin.getAncestorSelectorName ancestorSelector node. A node-tuple satisfies the constraint only if:

  descendantSelectorNode.getAncestor(n).isSame(ancestorSelectorNode) &&
 descendantSelectorNode.getDepth() > n

would return true some some non-negative integer n, where descendantSelectorNode is the node for DescendantNodeJoin.getDescendantSelectorName descendantSelector and ancestorSelectorNode is the node for DescendantNodeJoin.getAncestorSelectorName ancestorSelector .

The query is invalid if:

DescendantNodeJoin.getDescendantSelectorName descendantSelector is not the name of a selector in the query, or
DescendantNodeJoin.getAncestorSelectorName ancestorSelector is not the name of a selector in the query, or
DescendantNodeJoin.getDescendantSelectorName descendantSelector is the same as DescendantNodeJoin.getAncestorSelectorName ancestorSelector .

Method Summary
public String	getAncestorSelectorName() Gets the name of the ancestor selector.
public String	getDescendantSelectorName() Gets the name of the descendant selector.

Method Detail

getAncestorSelectorName
public String getAncestorSelectorName()(Code)
	Gets the name of the ancestor selector. the selector name; non-null

getDescendantSelectorName
public String getDescendantSelectorName()(Code)
	Gets the name of the descendant selector. the selector name; non-null

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