org.apache.stanbol.entityhub.core.query.DefaultQueryFactory Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.stanbol.entityhub.core.query;
import org.apache.stanbol.entityhub.servicesapi.query.FieldQuery;
import org.apache.stanbol.entityhub.servicesapi.query.FieldQueryFactory;
/**
* Simple {@link FieldQueryFactory} implementation that uses the singleton
* pattern and returns for each call to {@link #createFieldQuery()} a new
* instance of {@link FieldQueryImpl}.
*
* @author Rupert Westenthaler
*/
public class DefaultQueryFactory implements FieldQueryFactory {
private static final DefaultQueryFactory instance = new DefaultQueryFactory();
public static FieldQueryFactory getInstance() {
return instance;
}
protected DefaultQueryFactory() {
super();
}
@Override
public FieldQuery createFieldQuery() {
return new FieldQueryImpl();
}
}