Package org.apache.jackrabbit.core.query.lucene

Class SingleColumnQueryResult

java.lang.Object

org.apache.jackrabbit.core.query.lucene.QueryResultImpl

org.apache.jackrabbit.core.query.lucene.SingleColumnQueryResult

All Implemented Interfaces:

QueryResult, JackrabbitQueryResult

public class SingleColumnQueryResult
extends QueryResultImpl

SingleColumnQueryResult implements a query result that returns a single column. That is, executes a lucene query.

Field Summary

Fields

Modifier and Type	Field	Description
protected org.apache.jackrabbit.spi.Path[]	orderProps	The relative paths of properties to use for ordering the result set.
protected boolean[]	orderSpecs	The order specifier for each of the order properties.

Fields inherited from class org.apache.jackrabbit.core.query.lucene.QueryResultImpl

columns, docOrder, index, queryImpl, sessionContext, spellSuggestion

Constructor Summary

Constructors

Constructor

Description

SingleColumnQueryResult(SearchIndex index, SessionContext sessionContext, AbstractQueryImpl queryImpl, org.apache.lucene.search.Query query, org.apache.jackrabbit.core.query.lucene.SpellSuggestion spellSuggestion, org.apache.jackrabbit.spi.commons.query.qom.ColumnImpl[] columns, org.apache.jackrabbit.spi.Path[] orderProps, boolean[] orderSpecs, String[] orderFuncs, boolean documentOrder, long offset, long limit)

Method Summary

Modifier and Type	Method	Description
protected ExcerptProvider	createExcerptProvider()	Creates an excerpt provider for this result set.
protected MultiColumnQueryHits	executeQuery(long resultFetchHint)	Executes the query for this result and returns hits.

Methods inherited from class org.apache.jackrabbit.core.query.lucene.QueryResultImpl

getColumnNames, getNodes, getResults, getRows, getSelectorNames, getTotalSize, isAccessGranted

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

orderProps

protected final org.apache.jackrabbit.spi.Path[] orderProps

The relative paths of properties to use for ordering the result set.

orderSpecs

protected final boolean[] orderSpecs

The order specifier for each of the order properties.

Constructor Detail

SingleColumnQueryResult

public SingleColumnQueryResult(SearchIndex index,
                               SessionContext sessionContext,
                               AbstractQueryImpl queryImpl,
                               org.apache.lucene.search.Query query,
                               org.apache.jackrabbit.core.query.lucene.SpellSuggestion spellSuggestion,
                               org.apache.jackrabbit.spi.commons.query.qom.ColumnImpl[] columns,
                               org.apache.jackrabbit.spi.Path[] orderProps,
                               boolean[] orderSpecs,
                               String[] orderFuncs,
                               boolean documentOrder,
                               long offset,
                               long limit)
                        throws RepositoryException

Throws:

RepositoryException

Method Detail

executeQuery

protected MultiColumnQueryHits executeQuery(long resultFetchHint)
                                     throws IOException

Executes the query for this result and returns hits. The caller must close the query hits when he is done using it.

Specified by:

executeQuery in class QueryResultImpl

Parameters:

resultFetchHint - a hint on how many results should be fetched.

Returns:

hits for this query result.

Throws:

IOException - if an error occurs while executing the query.

createExcerptProvider

protected ExcerptProvider createExcerptProvider()
                                         throws IOException

Creates an excerpt provider for this result set.

Specified by:

createExcerptProvider in class QueryResultImpl

Returns:

an excerpt provider.

Throws:

IOException - if an error occurs.