/*******************************************************************************
 * ============LICENSE_START====================================================
 * * org.onap.aaf
 * * ===========================================================================
 * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
 * * ===========================================================================
 * * 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.
 * * ============LICENSE_END====================================================
 * *
 * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
 * *
 ******************************************************************************/
package org.onap.aaf.xgen;


public interface Cache<G extends XGen<G>> {
	public void dynamic(G hgen, Code<G> code);
	
	public static class Null<N extends XGen<N>> implements Cache<N> {
		@Override
		public void dynamic(N hgen, Code<N> code) {} // NO_OP, no matter what type

		@SuppressWarnings("rawtypes")
		private static Null<?> singleton = new Null();
		public static Null<?> singleton() { return singleton;}
	}

}