/*
* Quasar: lightweight threads and actors for the JVM.
* Copyright (c) 2013-2014, Parallel Universe Software Co. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 3.0
* as published by the Free Software Foundation.
*/
package co.paralleluniverse.fibers.instrument;
import static co.paralleluniverse.fibers.instrument.Classes.EXCEPTION_NAME;
import co.paralleluniverse.fibers.instrument.MethodDatabase.SuspendableType;
import java.util.ServiceLoader;
/**
*
* @author pron
*/
public class DefaultSuspendableClassifier implements SuspendableClassifier {
private final ServiceLoader<SuspendableClassifier> loader;
private final SuspendableClassifier simpleClassifier;
public DefaultSuspendableClassifier(ClassLoader classLoader) {
this.loader = ServiceLoader.load(SuspendableClassifier.class, classLoader);
this.simpleClassifier = new SimpleSuspendableClassifier(classLoader);
}
@SuppressWarnings("CallToPrintStackTrace")
@Override
public SuspendableType isSuspendable(MethodDatabase db, String className, String superClassName, String[] interfaces, String methodName, String methodDesc, String methodSignature, String[] methodExceptions) {
SuspendableType st;
try {
// classifier service
for (SuspendableClassifier sc : loader) {
st = sc.isSuspendable(db, className, superClassName, interfaces, methodName, methodDesc, methodSignature, methodExceptions);
if (st != null)
return st;
}
// simple classifier (files in META-INF)
st = simpleClassifier.isSuspendable(db, className, superClassName, interfaces, methodName, methodDesc, methodSignature, methodExceptions);
if (st != null)
return st;
// throws SuspendExceution
if (checkExceptions(methodExceptions))
return SuspendableType.SUSPENDABLE;
} catch (Exception e) {
e.printStackTrace();
throw e;
}
return null;
}
private static boolean checkExceptions(String[] exceptions) {
if (exceptions != null) {
for (String ex : exceptions) {
if (ex.equals(EXCEPTION_NAME))
return true;
}
}
return false;
}
}