org.apache.jackrabbit.core.query.lucene.join
Class AncestorPathNodeJoin
java.lang.Object
org.apache.jackrabbit.core.query.lucene.join.AbstractCondition
org.apache.jackrabbit.core.query.lucene.join.AncestorPathNodeJoin
- All Implemented Interfaces:
- Condition
public class AncestorPathNodeJoin
- extends AbstractCondition
AncestorPathNodeJoin
implements an ancestor path node join
condition.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
AncestorPathNodeJoin
public AncestorPathNodeJoin(MultiColumnQueryHits context,
Name contextSelectorName,
Path relPath,
HierarchyManager hmgr)
throws IOException
- Creates an ancestor path node join.
- Parameters:
context
- the inner query hits.contextSelectorName
- the selector name for the inner query hits.relPath
- the relative path of the join condition.hmgr
- the hierarchy manager of the workspace.
- Throws:
IOException
- if an error occurs while reading from the index.
getMatchingScoreNodes
public ScoreNode[][] getMatchingScoreNodes(ScoreNode ancestor)
throws IOException
- Returns the matching inner score nodes for the given outer score node
sn
.
The outer query hits loop contains the ancestor nodes.
- Parameters:
ancestor
- the current score nodes of the outer source.
- Returns:
- the matching score nodes in the inner source.
- Throws:
IOException
- if an error occurs while evaluating the condition.
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