org.infinispan.lucene

Class LuceneKey2StringMapper

java.lang.Object

org.infinispan.lucene.LuceneKey2StringMapper

All Implemented Interfaces:

Key2StringMapper, TwoWayKey2StringMapper

public final class LuceneKey2StringMapper
extends Object
implements TwoWayKey2StringMapper

To configure a JdbcStringBasedCacheStoreConfig for the Lucene Directory, use this Key2StringMapper implementation.

Since:

4.1

Author:

Sanne Grinovero

See Also:

JdbcStringBasedStoreConfigurationBuilder.key2StringMapper(String)

Constructor Summary

Constructors

Constructor and Description
LuceneKey2StringMapper()

Method Summary

Modifier and Type	Method and Description
Object	getKeyMapping(String key) This method has to perform the inverse transformation of the keys used in the Lucene Directory from String to object.
String	getStringMapping(Object key) Must return an unique String for the supplied key.
boolean	isSupportedType(Class<?> keyType) Do we support this key type?

Methods inherited from class java.lang.Object

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

Constructor Detail

LuceneKey2StringMapper

public LuceneKey2StringMapper()

Method Detail

isSupportedType

public boolean isSupportedType(Class<?> keyType)

Description copied from interface: Key2StringMapper

Do we support this key type?

Specified by:

isSupportedType in interface Key2StringMapper

Parameters:

keyType - type to test

Returns:

true if the type is supported, false otherwise.

getStringMapping

public String getStringMapping(Object key)

Description copied from interface: Key2StringMapper

Must return an unique String for the supplied key.

Specified by:

getStringMapping in interface Key2StringMapper

Parameters:

key - key to map to a String

Returns:

String representation of the key

getKeyMapping

public Object getKeyMapping(String key)

This method has to perform the inverse transformation of the keys used in the Lucene Directory from String to object. So this implementation is strongly coupled to the toString method of each key type.

Specified by:

getKeyMapping in interface TwoWayKey2StringMapper

Parameters:

key - string representation of a key

Returns:

an object instance that is equal to the original object used to create the key mapping.

See Also:

ChunkCacheKey.toString(), FileCacheKey.toString(), FileListCacheKey.toString(), FileReadLockKey.toString()