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public interface DescendantNodeJoinCondition
Tests whether the descendantSelector
node
is a descendant of the ancestorSelector
node. A node-tuple satisfies the constraint only if:
descendantSelectorNode.getAncestor(n).isSame(ancestorSelectorNode) && descendantSelectorNode.getDepth() > nwould return true some some non-negative integer
n
, where
descendantSelectorNode
is the node for
descendantSelector
and
ancestorSelectorNode
is the node for
ancestorSelector
.
The query is invalid if:
descendantSelector
is not the name
of a selector in the query, orancestorSelector
is not the name of a
selector in the query, ordescendantSelector
is the same as
ancestorSelector
.
Method Summary | |
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String |
getAncestorSelectorName()
Gets the name of the ancestor selector. |
String |
getDescendantSelectorName()
Gets the name of the descendant selector. |
Method Detail |
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String getDescendantSelectorName()
String getAncestorSelectorName()
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