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/*
 * Copyright (c) 2020 Oracle and/or its affiliates.
 *
 * 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 io.helidon.microprofile.cdi;

import java.util.Collection;
import java.util.concurrent.Callable;

import org.jboss.weld.executor.CommonForkJoinPoolExecutorServices;

/**
 * A {@link CommonForkJoinPoolExecutorServices} whose {@link
 * #wrap(Collection)} method simply returns the supplied {@link
 * Collection} of {@link Callable}s unchanged.
 *
 * This class exists to work around WELD-2494, which, in turn, was working around
 * JDK-8184335.
 *
 * @see #wrap(Collection)
 */
public final class ExecutorServices extends CommonForkJoinPoolExecutorServices {

    /**
     * Creates a new {@link ExecutorServices}.
     *
     * There is no reason for users to call this constructor.
     */
    public ExecutorServices() {
        super();
    }

    /**
     * Returns the supplied {@code tasks} argument unchanged when invoked.
     *
     * @param tasks a {@link Collection} of {@link Callable}s
     * representing tasks that Weld needs to do; may be {@code null}
     *
     * @return the supplied {@code tasks} argument
     *
     * @see WELD-2494
     */
    @Override
    public  Collection> wrap(Collection> tasks) {
        return tasks;
    }

}