/*
* Copyright (c) 2011-2013 The original author or authors
* ------------------------------------------------------
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* The Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php
*
* You may elect to redistribute this code under either of these licenses.
*/
package io.vertx.core.impl;
import io.vertx.core.AsyncResult;
import io.vertx.core.Closeable;
import io.vertx.core.Future;
import io.vertx.core.Handler;
import io.vertx.core.Vertx;
import io.vertx.core.spi.metrics.Metrics;
import io.vertx.core.spi.metrics.MetricsProvider;
import io.vertx.core.spi.metrics.PoolMetrics;
/**
* @author <a href="mailto:julien@julienviet.com">Julien Viet</a>
*/
class WorkerExecutorImpl implements Closeable, MetricsProvider, WorkerExecutorInternal {
private final Vertx vertx;
private final WorkerPool pool;
private boolean closed;
private final boolean releaseOnClose;
public WorkerExecutorImpl(Vertx vertx, WorkerPool pool, boolean releaseOnClose) {
this.vertx = vertx;
this.pool = pool;
this.releaseOnClose = releaseOnClose;
}
@Override
public Metrics getMetrics() {
return pool.metrics();
}
@Override
public boolean isMetricsEnabled() {
PoolMetrics metrics = pool.metrics();
return metrics != null && metrics.isEnabled();
}
@Override
public Vertx vertx() {
return vertx;
}
public WorkerPool getPool() {
return pool;
}
public synchronized <T> void executeBlocking(Handler<Future<T>> blockingCodeHandler, boolean ordered, Handler<AsyncResult<T>> asyncResultHandler) {
if (closed) {
throw new IllegalStateException("Worker executor closed");
}
ContextImpl context = (ContextImpl) vertx.getOrCreateContext();
context.executeBlocking(null, blockingCodeHandler, asyncResultHandler, pool.executor(), ordered ? context.orderedTasks : null, pool.metrics());
}
@Override
public void close() {
synchronized (this) {
if (!closed) {
closed = true;
} else {
return;
}
}
if (releaseOnClose && pool instanceof VertxImpl.SharedWorkerPool) {
((VertxImpl.SharedWorkerPool)pool).release();
}
}
@Override
public void close(Handler<AsyncResult<Void>> completionHandler) {
close();
completionHandler.handle(Future.succeededFuture());
}
}