org.killbill.commons.utils.concurrent.DirectExecutor Maven / Gradle / Ivy

Go to download
/*
 * Copyright 2020-2022 Equinix, Inc
 * Copyright 2014-2022 The Billing Project, LLC
 *
 * The Billing Project 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.killbill.commons.utils.concurrent;

import java.util.concurrent.Executor;

/**
 * Direct replacement of Guava {@code DirectExecutor}. Placed in {@code utils} instead of {@code concurrent} module
 * to avoid circular dependency.
 *
 * An {@link Executor} that runs each task in the thread that invokes {@link Executor#execute}.
 */
public enum DirectExecutor implements Executor {

    INSTANCE;

    @Override
    public void execute(final Runnable command) {
        command.run();
    }
}