/**
* JBoss, Home of Professional Open Source
* Copyright 2012, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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 org.jboss.arquillian.warp.impl.server.lifecycle;
import java.util.HashMap;
import java.util.HashSet;
import java.util.concurrent.ConcurrentHashMap;
import org.jboss.arquillian.core.spi.Validate;
import org.jboss.arquillian.warp.spi.LifecycleManager;
import org.jboss.arquillian.warp.spi.LifecycleManagerStore;
import org.jboss.arquillian.warp.spi.exception.ObjectAlreadyAssociatedException;
import org.jboss.arquillian.warp.spi.exception.ObjectNotAssociatedException;
import org.jboss.arquillian.warp.spi.exception.StoreHasAssociatedObjectsException;
/**
* Stores the bindings from auxiliary class instance to {@link LifecycleManager}.
*
* @author Lukas Fryc
*
*/
public class LifecycleManagerStoreImpl extends LifecycleManagerStore {
private static ConcurrentHashMap<Class<?>, Binding> STORE = new ConcurrentHashMap<Class<?>, Binding>();
private static ConcurrentHashMap<LifecycleManager, Tracking> TRACK = new ConcurrentHashMap<LifecycleManager, Tracking>();
@SuppressWarnings("serial")
private static class Binding extends HashMap<Object, LifecycleManager> {
}
@SuppressWarnings("serial")
private static class Tracking extends HashSet<Class<?>> {
}
/*
* (non-Javadoc)
*
* @see org.jboss.arquillian.warp.spi.LifecycleManagerStore#obtain(java.lang.Class, java.lang.Object)
*/
@Override
protected <T> LifecycleManager obtain(Class<T> clazz, T boundObject) throws ObjectNotAssociatedException {
Validate.notNull(boundObject, "boundObject must not be null");
Binding binding = STORE.get(clazz);
if (binding == null) {
throw new ObjectNotAssociatedException();
}
LifecycleManager manager = binding.get(boundObject);
if (manager == null) {
throw new ObjectNotAssociatedException();
}
return manager;
}
/*
* (non-Javadoc)
*
* @see org.jboss.arquillian.warp.spi.LifecycleManagerStore#bind(org.jboss.arquillian.warp.spi.LifecycleManager,
* java.lang.Class, java.lang.Object)
*/
@Override
protected <T> void bind(LifecycleManager manager, Class<T> clazz, T object) throws ObjectAlreadyAssociatedException {
// update binding
STORE.putIfAbsent(clazz, new Binding());
Binding binding = STORE.get(clazz);
if (binding.put(object, manager) != null) {
throw new ObjectAlreadyAssociatedException();
}
// update tracking
TRACK.putIfAbsent(manager, new Tracking());
Tracking tracking = TRACK.get(manager);
tracking.add(clazz);
}
/*
* (non-Javadoc)
*
* @see org.jboss.arquillian.warp.spi.LifecycleManagerStore#unbind(org.jboss.arquillian.warp.spi.LifecycleManager,
* java.lang.Class, java.lang.Object)
*/
@Override
protected <T> void unbind(LifecycleManager manager, Class<T> clazz, T object) throws ObjectNotAssociatedException {
// cancel binding
Binding binding = STORE.get(clazz);
if (binding == null) {
throw new ObjectNotAssociatedException();
}
if (!binding.containsKey(object)) {
throw new ObjectNotAssociatedException();
}
binding.remove(object);
// cancel tracking
Tracking tracking = TRACK.get(manager);
tracking.remove(clazz);
}
/*
* (non-Javadoc)
*
* @see org.jboss.arquillian.warp.spi.LifecycleManagerStore#checkUnbound(org.jboss.arquillian.warp.spi.LifecycleManager)
*/
@Override
protected <T> void checkUnbound(LifecycleManager manager) throws StoreHasAssociatedObjectsException {
Tracking tracking = TRACK.get(manager);
if (tracking != null) {
if (!tracking.isEmpty()) {
throw new StoreHasAssociatedObjectsException();
}
TRACK.remove(manager);
}
}
}