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/*
 * 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.github.dm.jrt.runner;

import org.jetbrains.annotations.NotNull;

import java.util.concurrent.TimeUnit;

/**
 * Class implementing a queued synchronous runner.
 * 
 * The runner maintains an internal buffer of executions that are consumed only when the last one
 * completes, thus avoiding overflowing the call stack because of nested calls to other routines.
 * 
 * Created by davide-maestroni on 09/18/2014.
 */
class QueuedRunner implements Runner {

    public void cancel(@NotNull final Execution execution) {

        LocalQueue.cancel(execution);
    }

    public boolean isExecutionThread() {

        return true;
    }

    public void run(@NotNull final Execution execution, final long delay,
            @NotNull final TimeUnit timeUnit) {

        LocalQueue.run(execution, delay, timeUnit);
    }
}