net.dv8tion.jda.internal.requests.CallbackContext Maven / Gradle / Ivy

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Java wrapper for the popular chat & VOIP service: Discord https://discord.com

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/*
 * Copyright 2015 Austin Keener, Michael Ritter, Florian Spieß, and the JDA contributors
 *
 * 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 net.dv8tion.jda.internal.requests;

public class CallbackContext implements AutoCloseable
{
    private static final ThreadLocal callback = ThreadLocal.withInitial(() -> false);
    private static final CallbackContext instance = new CallbackContext();

    public static CallbackContext getInstance()
    {
        startCallback();
        return instance;
    }

    public static boolean isCallbackContext()
    {
        return callback.get();
    }

    private static void startCallback()
    {
        callback.set(true);
    }

    @Override
    public void close()
    {
        callback.set(false);
    }
}