public class ToChildBlockJoinQuery extends Query
ToParentBlockJoinQuery
, except this
query joins in reverse: you provide a Query matching
parent documents and it joins down to child
documents.Constructor and Description |
---|
ToChildBlockJoinQuery(Query parentQuery,
Filter parentsFilter,
boolean doScores)
Create a ToChildBlockJoinQuery.
|
Modifier and Type | Method and Description |
---|---|
ToChildBlockJoinQuery |
clone()
Returns a clone of this query.
|
Weight |
createWeight(IndexSearcher searcher)
Expert: Constructs an appropriate Weight implementation for this query.
|
boolean |
equals(Object _other) |
void |
extractTerms(Set<Term> terms)
Expert: adds all terms occurring in this query to the terms set.
|
int |
hashCode() |
Query |
rewrite(IndexReader reader)
Expert: called to re-write queries into primitive queries.
|
String |
toString(String field)
Prints a query to a string, with
field assumed to be the
default field and omitted. |
public ToChildBlockJoinQuery(Query parentQuery, Filter parentsFilter, boolean doScores)
parentQuery
- Query that matches parent documentsparentsFilter
- Filter (must produce FixedBitSet
per-segment, like FixedBitSetCachingWrapperFilter
)
identifying the parent documents.doScores
- true if parent scores should be calculatedpublic Weight createWeight(IndexSearcher searcher) throws IOException
Query
Only implemented by primitive queries, which re-write to themselves.
createWeight
in class Query
IOException
public void extractTerms(Set<Term> terms)
Query
rewritten
form.extractTerms
in class Query
public Query rewrite(IndexReader reader) throws IOException
Query
rewrite
in class Query
IOException
public String toString(String field)
Query
field
assumed to be the
default field and omitted.public ToChildBlockJoinQuery clone()
Query
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