/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.hibernate.search.query.fieldcache.impl;
import java.util.HashMap;
import java.util.Map;
/**
* Just an indirection to different constructors, pointing to the proper
* FieldCache extractor per type.
*
* @author Sanne Grinovero <sanne@hibernate.org> (C) 2011 Red Hat Inc.
*/
public enum FieldCacheLoadingType {
STRING {
public FieldLoadingStrategy createLoadingStrategy(String fieldName) {
return new StringFieldLoadingStrategy( fieldName );
}
},
INT {
public FieldLoadingStrategy createLoadingStrategy(String fieldName) {
return new IntFieldLoadingStrategy( fieldName );
}
},
LONG {
public FieldLoadingStrategy createLoadingStrategy(String fieldName) {
return new LongFieldLoadingStrategy( fieldName );
}
},
DOUBLE {
public FieldLoadingStrategy createLoadingStrategy(String fieldName) {
return new DoubleFieldLoadingStrategy( fieldName );
}
},
FLOAT {
public FieldLoadingStrategy createLoadingStrategy(String fieldName) {
return new FloatFieldLoadingStrategy( fieldName );
}
};
static Map<Class<?>, FieldCacheLoadingType> fieldCacheTypes = new HashMap<Class<?>, FieldCacheLoadingType>();
static {
fieldCacheTypes.put( String.class, STRING );
fieldCacheTypes.put( Integer.class, INT );
fieldCacheTypes.put( Long.class, LONG );
fieldCacheTypes.put( Double.class, DOUBLE );
fieldCacheTypes.put( Float.class, FLOAT );
}
public abstract FieldLoadingStrategy createLoadingStrategy(String fieldName);
public static FieldLoadingStrategy getLoadingStrategy(String fieldName, Class<?> type) {
return fieldCacheTypes.get( type ).createLoadingStrategy( fieldName );
}
}