org.hibernate.search.query.fieldcache.impl

Class MultiStringFieldLoadingStrategy

java.lang.Object

org.hibernate.search.query.fieldcache.impl.MultiStringFieldLoadingStrategy

All Implemented Interfaces:

FieldLoadingStrategy

public final class MultiStringFieldLoadingStrategy
extends Object
implements FieldLoadingStrategy

A FieldLoadingStrategy which uses SortedSetDocValues to load fields with multiple values.

Author:

Hardy Ferentschik

Constructor Summary

Constructors

Constructor and Description
MultiStringFieldLoadingStrategy(String fieldName)

Method Summary

Methods

Modifier and Type	Method and Description
String[]	collect(int relativeDocId) The collector wants to pick a specific element from the cache.
void	loadNewCacheValues(org.apache.lucene.index.AtomicReaderContext context) A new IndexReader is opened - implementations usually need this to load the next array of cached data.

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiStringFieldLoadingStrategy

public MultiStringFieldLoadingStrategy(String fieldName)

Method Detail

loadNewCacheValues

public void loadNewCacheValues(org.apache.lucene.index.AtomicReaderContext context)
                        throws IOException

Description copied from interface: FieldLoadingStrategy

A new IndexReader is opened - implementations usually need this to load the next array of cached data.

Specified by:

loadNewCacheValues in interface FieldLoadingStrategy

Parameters:

context - the AtomicReaderContext for which to load the new cache values

Throws:

IOException - in case an error occurs reading the cache values from the index

collect

public String[] collect(int relativeDocId)

Description copied from interface: FieldLoadingStrategy

The collector wants to pick a specific element from the cache. Only at this point we convert primitives into an object if needed.

Specified by:

collect in interface FieldLoadingStrategy

Parameters:

relativeDocId - the doc id relative to the current reader

Returns:

the cached field value for the document with the relative id relativeDocId.