net.sourceforge.javamatch.engine
Class JDOMatchEngine

java.lang.Object
  net.sourceforge.javamatch.engine.MatchEngine
      net.sourceforge.javamatch.engine.JDOMatchEngine

public class JDOMatchEngine

extends MatchEngine

Class JDOMatchEngine provides the match engine functionality, especially targeted at JDO implementations

Constructor Summary

JDOMatchEngine(javax.jdo.PersistenceManager persistenceManager)
Creates an ew JDOMatchEngine, that uses the given persistenceManager for managing object persistence

Method Summary

protected void	discardObject(java.lang.Object objectToDiscard) Discards the given object from memory.
MatchResult	executeQuery(MatchQuery query, javax.jdo.Extent extent) Executes the specified match query on all objects in the given Extent.

Methods inherited from class net.sourceforge.javamatch.engine.MatchEngine

addMatchListener, executeQuery, executeQuery, removeMatchListener, retrieveObject, setMaxNumResultItems, setThreshold

Methods inherited from class java.lang.Object

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

Constructor Detail

JDOMatchEngine

public JDOMatchEngine(javax.jdo.PersistenceManager persistenceManager)

Creates an ew JDOMatchEngine, that uses the given persistenceManager for managing object persistence

Parameters:

persistenceManager - the persistence manager

Method Detail

executeQuery

public MatchResult executeQuery(MatchQuery query,
                                javax.jdo.Extent extent)
                         throws MatchException

Executes the specified match query on all objects in the given Extent. Returns a MatchResult, that contains the best matching items with their match value.

Parameters:

query - the query that is executed

extent - the extent that contains the items to be matched

Returns:

a MatchResult, that contains the best matching ResultItems

Throws:

MatchException - when matching failed

discardObject

protected void discardObject(java.lang.Object objectToDiscard)

Discards the given object from memory. After discarding, the match engine will not call this object again (the calling application might still do so, but that's up to that application.

Overrides:

discardObject in class MatchEngine

Parameters:

objectToDiscard - the object to discard