org.mycore.services.fieldquery
Class MCRSearcherFactory

java.lang.Object
  org.mycore.services.fieldquery.MCRSearcherFactory

public class MCRSearcherFactory
extends Object

This class manages instances of MCRSearcher and provides methods to get these for a given searcher ID. The class is responsible for looking up, loading, instantiating and remembering the implementations of MCRSearcher used in the system.

Version:

$Revision: 13085 $ $Date: 2008-02-06 18:27:24 +0100 (Mi, 06 Feb 2008) $

Author:

Frank Lützenkirchen

Field Summary

protected static Hashtable<String,MCRSearcher>

table Hashtable SearcherID to MCRSearcher instance

Constructor Summary

MCRSearcherFactory()

Method Summary

static MCRSearcher	getSearcher(String searcherID) Returns the MCRSearcher instance that is configured for this SearcherID.
static MCRSearcher	getSearcherForIndex(String indexID) Returns the MCRSearcher instance that manages the given index.

Methods inherited from class java.lang.Object

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

Field Detail

table

protected static Hashtable<String,MCRSearcher> table

Hashtable SearcherID to MCRSearcher instance

Constructor Detail

MCRSearcherFactory

public MCRSearcherFactory()

Method Detail

getSearcher

public static MCRSearcher getSearcher(String searcherID)

Returns the MCRSearcher instance that is configured for this SearcherID. The instance that is returned is configured by the property MCR.Searcher..Class in mycore.properties.

Parameters:

searcherID - the non-null ID of the MCRSearcher implementation

Returns:

the MCRSearcher instance that uses this searcherID

Throws:

MCRConfigurationException - if no MCRSearcher implementation is configured for this ID

getSearcherForIndex

public static MCRSearcher getSearcherForIndex(String indexID)

Returns the MCRSearcher instance that manages the given index.

Parameters:

indexID - the ID of the search index as declared in searchfields.xml

Returns:

the MCRSearcher instance that manages this index

Throws:

MCRConfigurationException - if no MCRSearcher implementation is configured for this index