NoOpShutdownHook.java

/*
 * Copyright (c) 2016 Couchbase, Inc.
 *
 * 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 com.couchbase.client.core.env.resources;

import rx.Observable;

/**
 * {@link ShutdownHook} hook that does nothing and returns true.
 *
 * @author Simon Baslé
 * @since 2.2
 */
public class NoOpShutdownHook implements ShutdownHook {
    @Override
    public Observable<Boolean> shutdown() {
        return Observable.just(true);
    }

    @Override
    public boolean isShutdown() {
        return true;
    }
}