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OpenSearch subproject :server

There is a newer version: 2.18.0

/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * The OpenSearch Contributors require contributions made to
 * this file be licensed under the Apache-2.0 license or a
 * compatible open source license.
 */

/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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.
 */
/*
 * Modifications Copyright OpenSearch Contributors. See
 * GitHub history for details.
 */

package org.opensearch.common.util.concurrent;

import org.opensearch.common.Priority;

import java.util.concurrent.Callable;

/**
 * A prioritized callable.
 *
 * @opensearch.internal
 */
public abstract class PrioritizedCallable implements Callable, Comparable {

    private final Priority priority;

    public static  PrioritizedCallable wrap(Callable callable, Priority priority) {
        return new Wrapped<>(callable, priority);
    }

    protected PrioritizedCallable(Priority priority) {
        this.priority = priority;
    }

    @Override
    public int compareTo(PrioritizedCallable pc) {
        return priority.compareTo(pc.priority);
    }

    public Priority priority() {
        return priority;
    }

    /**
     * Wrapped generic
     *
     * @opensearch.internal
     */
    static class Wrapped extends PrioritizedCallable {

        private final Callable callable;

        private Wrapped(Callable callable, Priority priority) {
            super(priority);
            this.callable = callable;
        }

        @Override
        public T call() throws Exception {
            return callable.call();
        }
    }
}