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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.service.executor;
/**
* @author hakonhall
*/
public class TestRunlet implements Runlet {
private final Object monitor = new Object();
private boolean running = false;
private boolean shouldWaitInRun = false;
private boolean closed = false;
private int runsStarted = 0;
private int runsCompleted = 0;
int getRunsStarted() {
synchronized (monitor) {
return runsStarted;
}
}
int getRunsCompleted() {
return runsCompleted;
}
boolean isClosed() {
synchronized (monitor) {
return closed;
}
}
void shouldWaitInRun(boolean value) {
synchronized (monitor) {
shouldWaitInRun = value;
monitor.notifyAll();
}
}
void waitUntilInRun() {
synchronized (monitor) {
while (!running) {
uncheckedWait();
}
}
}
void waitUntilCompleted(int runsCompleted) {
synchronized (monitor) {
while (this.runsCompleted < runsCompleted) {
uncheckedWait();
}
}
}
void waitUntilClosed() {
synchronized (monitor) {
while (!closed) {
uncheckedWait();
}
}
}
@Override
public void run() {
synchronized (monitor) {
if (closed) {
throw new IllegalStateException("run after close");
}
++runsStarted;
running = true;
monitor.notifyAll();
while (shouldWaitInRun) {
uncheckedWait();
}
++runsCompleted;
running = false;
monitor.notifyAll();
}
}
@Override
public void close() {
synchronized (monitor) {
closed = true;
monitor.notifyAll();
}
}
private void uncheckedWait() {
try {
monitor.wait();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
}
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