ScheduledFutureTask.java — netty Source File

Source Code

/*
 * Copyright 2013 The Netty Project
 *
 * The Netty 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:
 *
 *   https://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.netty.util.concurrent;

import io.netty.util.internal.DefaultPriorityQueue;
import io.netty.util.internal.PriorityQueueNode;

import java.util.concurrent.Callable;
import java.util.concurrent.Delayed;
import java.util.concurrent.TimeUnit;

@SuppressWarnings("ComparableImplementedButEqualsNotOverridden")
final class ScheduledFutureTask<V> extends PromiseTask<V> implements ScheduledFuture<V>, PriorityQueueNode {
    // set once when added to priority queue
    private long id;

    private long deadlineNanos;
    /* 0 - no repeat, >0 - repeat at fixed rate, <0 - repeat with fixed delay */
    private final long periodNanos;

    private int queueIndex = INDEX_NOT_IN_QUEUE;

    ScheduledFutureTask(AbstractScheduledEventExecutor executor,
            Runnable runnable, long nanoTime) {

        super(executor, runnable);
        deadlineNanos = nanoTime;
        periodNanos = 0;
    }

    ScheduledFutureTask(AbstractScheduledEventExecutor executor,
            Runnable runnable, long nanoTime, long period) {

        super(executor, runnable);
        deadlineNanos = nanoTime;
        periodNanos = validatePeriod(period);
    }

    ScheduledFutureTask(AbstractScheduledEventExecutor executor,
            Callable<V> callable, long nanoTime, long period) {

        super(executor, callable);
        deadlineNanos = nanoTime;
        periodNanos = validatePeriod(period);
    }

// ... (168 more lines)