org.apache.jackrabbit.core.query.lucene.join
Class ChildNodeJoin
java.lang.Object
org.apache.jackrabbit.core.query.lucene.join.AbstractCondition
org.apache.jackrabbit.core.query.lucene.join.ChildNodeJoin
- All Implemented Interfaces:
- Condition
public class ChildNodeJoin
- extends AbstractCondition
ChildNodeJoin
implements a child node join condition.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
ChildNodeJoin
public ChildNodeJoin(MultiColumnQueryHits parent,
org.apache.lucene.index.IndexReader reader,
HierarchyResolver resolver,
ChildNodeJoinConditionImpl condition)
throws IOException
- Creates a new child node join condition.
- Parameters:
parent
- the inner query hits.reader
- the index reader.resolver
- the hierarchy resolver.condition
- the QOM child node join condition.
- Throws:
IOException
- if an error occurs while reading from the index.
getMatchingScoreNodes
public ScoreNode[][] getMatchingScoreNodes(ScoreNode child)
throws IOException
- Returns the matching inner score nodes for the given outer score node
sn
.
The outer query hits loop contains the child nodes.
- Parameters:
child
- 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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