org.jclouds.scriptbuilder.functionloader.CurrentFunctionLoader Maven / Gradle / Ivy

Go to download
/**
 * Licensed to jclouds, Inc. (jclouds) under one or more
 * contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  jclouds 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.jclouds.scriptbuilder.functionloader;

import java.util.concurrent.atomic.AtomicReference;

/**
 * Means to access the current {@link FunctionLoader} instance;
 */
public class CurrentFunctionLoader {

   private static final AtomicReference ref = new AtomicReference(
            BasicFunctionLoader.INSTANCE);

   public static FunctionLoader get() {
      return ref.get();
   }

   public static FunctionLoader set(FunctionLoader loader) {
      return ref.getAndSet(loader);
   }

   public static FunctionLoader reset() {
      return ref.getAndSet(BasicFunctionLoader.INSTANCE);
   }

}