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/**
 * Copyright (c) 2005-2011 Zauber S.A. 
 *
 * Licensed 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 ar.com.zauber.commons.dao.closure;

import ar.com.zauber.commons.dao.Closure;

/**
 * Closures pre-hechos
 * 
 * @author Juan F. Codagnone
 * @since Dec 9, 2009
 */
public final class Closures {
    private static final Closure NULL_CLOSURE = new NullClosure();
    
    /** utility class  */
    private Closures() {
        //void
    }
    
    /** @return un {@link NullClosure}. */
    @SuppressWarnings("unchecked")
    public static  Closure nullClosure() {
        return (Closure) NULL_CLOSURE;
    }
}