/* * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.tools.sjavac.comp; import java.io.File; import java.net.URI; import java.util.List; import java.util.Objects; import java.util.Set; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.TimeUnit; import com.sun.tools.sjavac.Log; import com.sun.tools.sjavac.server.CompilationResult; import com.sun.tools.sjavac.server.Sjavac; import com.sun.tools.sjavac.server.SysInfo; /** * An sjavac implementation that limits the number of concurrent calls by * wrapping invocations in Callables and delegating them to a FixedThreadPool. * *
This is NOT part of any supported API.
* If you write code that depends on this, you do so at your own risk.
* This code and its internal interfaces are subject to change or
* deletion without notice.
*/
public class PooledSjavac implements Sjavac {
final Sjavac delegate;
final ExecutorService pool;
public PooledSjavac(Sjavac delegate, int poolsize) {
Objects.requireNonNull(delegate);
this.delegate = delegate;
pool = Executors.newFixedThreadPool(poolsize);
}
@Override
public SysInfo getSysInfo() {
try {
return pool.submit(() -> delegate.getSysInfo()).get();
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException("Error during getSysInfo", e);
}
}
@Override
public CompilationResult compile(final String protocolId,
final String invocationId,
final String[] args,
final List