/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat, Inc. and/or its affiliates or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat, Inc.
*
* 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, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY 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
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.search.engine.impl;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import org.hibernate.search.SearchException;
import org.hibernate.search.annotations.FilterCacheModeType;
import org.hibernate.search.annotations.FullTextFilterDef;
import org.hibernate.search.util.impl.ReflectionHelper;
/**
* A wrapper class which encapsulates all required information to create a defined filter.
*
* @author Emmanuel Bernard
*/
//TODO serialization
public class FilterDef {
private Method factoryMethod;
private Method keyMethod;
private Map<String, Method> setters = new HashMap<String, Method>();
private final FilterCacheModeType cacheMode;
private final Class<?> impl;
private final String name;
public FilterDef(FullTextFilterDef def) {
this.name = def.name();
this.impl = def.impl();
this.cacheMode = def.cache();
}
public String getName() {
return name;
}
public FilterCacheModeType getCacheMode() {
return cacheMode;
}
public Class<?> getImpl() {
return impl;
}
public Method getFactoryMethod() {
return factoryMethod;
}
public void setFactoryMethod(Method factoryMethod) {
this.factoryMethod = factoryMethod;
}
public Method getKeyMethod() {
return keyMethod;
}
public void setKeyMethod(Method keyMethod) {
this.keyMethod = keyMethod;
}
public void addSetter(String name, Method method) {
ReflectionHelper.setAccessible( method );
setters.put( name, method );
}
public void invoke(String parameterName, Object filter, Object parameterValue) {
Method method = setters.get( parameterName );
if ( method == null ) throw new SearchException( "No setter " + parameterName + " found in " + this.impl );
try {
method.invoke( filter, parameterValue );
}
catch (IllegalAccessException e) {
throw new SearchException( "Unable to set Filter parameter: " + parameterName + " on filter class: " + this.impl, e );
}
catch (InvocationTargetException e) {
throw new SearchException( "Unable to set Filter parameter: " + parameterName + " on filter class: " + this.impl, e );
}
catch (IllegalArgumentException e) {
throw new SearchException( "Unable to set Filter parameter: " + parameterName + " on filter class: "
+ this.impl + " : " + e.getMessage(), e );
}
}
}