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Swirlds is a software platform designed to build fully-distributed applications that harness the power of the cloud without servers. Now you can develop applications with fairness in decision making, speed, trust and reliability, at a fraction of the cost of traditional server-based platforms.

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/*
 * Copyright (C) 2020-2024 Hedera Hashgraph, LLC
 *
 * 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.swirlds.common.notification.internal;

import com.swirlds.common.notification.Listener;
import com.swirlds.common.notification.Notification;
import com.swirlds.common.notification.NotificationResult;
import java.util.function.Consumer;

public class DispatchTask, N extends Notification> implements Comparable> {

    private N notification;

    private Consumer> callback;

    public DispatchTask(final N notification, final Consumer> callback) {
        if (notification == null) {
            throw new IllegalArgumentException("notification");
        }

        this.notification = notification;
        this.callback = callback;
    }

    public N getNotification() {
        return notification;
    }

    public Consumer> getCallback() {
        return callback;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public int compareTo(final DispatchTask that) {
        final int EQUAL = 0;
        final int GREATER_THAN = 1;

        if (this == that) {
            return EQUAL;
        }

        if (that == null) {
            return GREATER_THAN;
        }

        return Long.compare(this.notification.getSequence(), that.notification.getSequence());
    }
}