org.apache.jackrabbit.core.query.lucene
Class SharedFieldComparatorSource

java.lang.Object
  org.apache.lucene.search.FieldComparatorSource
      org.apache.jackrabbit.core.query.lucene.SharedFieldComparatorSource

All Implemented Interfaces:

Serializable

public class SharedFieldComparatorSource
extends org.apache.lucene.search.FieldComparatorSource

Implements a FieldComparatorSource for FieldComparators which know how to sort on a lucene field that contains values for multiple properties.

See Also:

Serialized Form

Constructor Summary

SharedFieldComparatorSource(String fieldname, ItemStateManager ism, HierarchyManager hmgr, NamespaceMappings nsMappings)
Create a new SharedFieldComparatorSource for a given shared field.

Method Summary

org.apache.lucene.search.FieldComparator

newComparator(String propertyName, int numHits, int sortPos, boolean reversed) Create a new FieldComparator for an embedded propertyName and a reader.

Methods inherited from class java.lang.Object

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

Constructor Detail

SharedFieldComparatorSource

public SharedFieldComparatorSource(String fieldname,
                                   ItemStateManager ism,
                                   HierarchyManager hmgr,
                                   NamespaceMappings nsMappings)

Create a new SharedFieldComparatorSource for a given shared field.

Parameters:

fieldname - the shared field.

ism - the item state manager of this workspace.

hmgr - the hierarchy manager of this workspace.

nsMappings - the index internal namespace mappings.

Method Detail

newComparator

public org.apache.lucene.search.FieldComparator newComparator(String propertyName,
                                                              int numHits,
                                                              int sortPos,
                                                              boolean reversed)
                                                       throws IOException

Create a new FieldComparator for an embedded propertyName and a reader.

Specified by:

newComparator in class org.apache.lucene.search.FieldComparatorSource

Parameters:

propertyName - the relative path to the property to sort on as returned by Path.getString().

Returns:

a FieldComparator

Throws:

IOException - if an error occurs