// Path: src/main/java/com/google/code/tempusfugit/concurrency/ExecutorServiceShutdown.java
// public static ExecutorServiceShutdown shutdown(ExecutorService executor) {
//     return new ExecutorServiceShutdown(executor);
// }
// 
// Path: src/main/java/com/google/code/tempusfugit/temporal/Duration.java
// public static Duration days(long days) {
//     return hours(days * 24);
// }


import org.junit.runners.model.RunnerScheduler;
import java.io.IOException;
import java.io.OutputStream;
import java.util.concurrent.ExecutorService;
import static com.google.code.tempusfugit.concurrency.ExecutorServiceShutdown.shutdown;
import static com.google.code.tempusfugit.temporal.Duration.days;
import static java.lang.Boolean.TRUE;
/*
 * Copyright (c) 2009-2018, toby weston & tempus-fugit committers
 *
 * 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.google.code.tempusfugit.concurrency;




class ConcurrentScheduler implements RunnerScheduler {

    private final ExecutorService executor;
    private final OutputStream outputStream;

    public ConcurrentScheduler(ExecutorService executor) {
        this(executor, System.err);
    }

    public ConcurrentScheduler(ExecutorService executor, OutputStream outputStream) {
        this.executor = executor;
        this.outputStream = outputStream;
    }

    public void schedule(Runnable childStatement) {
        executor.submit(childStatement);
    }

    public void finished() {
        if (!successful(shutdown(executor).waitingForCompletion(days(365))))
            writeln(outputStream, "scheduler shutdown timed out before tests completed, you may have executors hanging around...");
    }

    private Boolean successful(Boolean completed) {
        return TRUE.equals(completed);
    }

    private void writeln(OutputStream stream, String string) {
        try {
            stream.write(string.getBytes());
            stream.write(System.getProperty("line.separator").getBytes());
// Path: src/main/java/com/google/code/tempusfugit/concurrency/ExecutorServiceShutdown.java
// public static ExecutorServiceShutdown shutdown(ExecutorService executor) {
//     return new ExecutorServiceShutdown(executor);
// }
// 
// Path: src/main/java/com/google/code/tempusfugit/temporal/Duration.java
// public static Duration days(long days) {
//     return hours(days * 24);
// }


// Path: src/main/java/com/google/code/tempusfugit/concurrency/ConcurrentScheduler.java
import org.junit.runners.model.RunnerScheduler;
import java.io.IOException;
import java.io.OutputStream;
import java.util.concurrent.ExecutorService;
import static com.google.code.tempusfugit.concurrency.ExecutorServiceShutdown.shutdown;
import static com.google.code.tempusfugit.temporal.Duration.days;
import static java.lang.Boolean.TRUE;

/*
 * Copyright (c) 2009-2018, toby weston & tempus-fugit committers
 *
 * 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.google.code.tempusfugit.concurrency;




class ConcurrentScheduler implements RunnerScheduler {

    private final ExecutorService executor;
    private final OutputStream outputStream;

    public ConcurrentScheduler(ExecutorService executor) {
        this(executor, System.err);
    }

    public ConcurrentScheduler(ExecutorService executor, OutputStream outputStream) {
        this.executor = executor;
        this.outputStream = outputStream;
    }

    public void schedule(Runnable childStatement) {
        executor.submit(childStatement);
    }

    public void finished() {
        if (!successful(shutdown(executor).waitingForCompletion(days(365))))
            writeln(outputStream, "scheduler shutdown timed out before tests completed, you may have executors hanging around...");
    }

    private Boolean successful(Boolean completed) {
        return TRUE.equals(completed);
    }

    private void writeln(OutputStream stream, String string) {
        try {
            stream.write(string.getBytes());
            stream.write(System.getProperty("line.separator").getBytes());
        } catch (IOException e) {