/*
* JBoss, Home of Professional Open Source
* Copyright 2010, 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.impl.core.context;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.logging.Logger;
import org.jboss.arquillian.impl.core.ObjectStore;
import org.jboss.arquillian.impl.core.Validate;
import org.jboss.arquillian.impl.core.spi.context.Context;
/**
* AbstractContext
*
* @author <a href="mailto:aslak@redhat.com">Aslak Knutsen</a>
* @version $Revision: $
*/
public abstract class AbstractContext<T> implements Context, IdBoundContext<T>
{
private static Logger log = Logger.getLogger("Context");
private ConcurrentHashMap<T, ObjectStore> stores;
private ThreadLocal<ObjectStore> activeStore = new ThreadLocal<ObjectStore>();
public AbstractContext()
{
stores = new ConcurrentHashMap<T, ObjectStore>();
}
@Override
public void activate(T id)
{
Validate.notNull(id, "ID must be specified");
if(!isActive())
{
activeStore.set(createObjectStore(id));
}
else
{
log.info("Trying to activate context, but allready active: " + super.getClass().getSimpleName() + " " + id);
}
}
@Override
public void deactivate()
{
if(isActive())
{
activeStore.set(null);
}
else
{
log.info("Trying to deactivate context, but none active: " + super.getClass().getSimpleName());
}
}
@Override
public boolean isActive()
{
return activeStore.get() != null;
}
@Override
public void destroy(T id)
{
ObjectStore store = stores.remove(id);
if(store != null)
{
store.clear();
}
}
@Override
public ObjectStore getObjectStore()
{
if(isActive())
{
return activeStore.get();
}
throw new RuntimeException("Context is not active: " + super.getClass().getSimpleName());
}
/* (non-Javadoc)
* @see org.jboss.arquillian.core.spi.context.Context#clearAll()
*/
@Override
public void clearAll()
{
synchronized (this)
{
if(isActive())
{
deactivate();
}
for(Map.Entry<T, ObjectStore> entry: stores.entrySet())
{
entry.getValue().clear();
}
stores.clear();
}
}
//-------------------------------------------------------------------------------------||
// Internal Helper Methods ------------------------------------------------------------||
//-------------------------------------------------------------------------------------||
private ObjectStore createObjectStore(T id)
{
Validate.notNull(id, "ID must be specified");
ObjectStore store = new ObjectStore();
ObjectStore previousStore = stores.putIfAbsent(id, store);
if(previousStore != null)
{
return previousStore;
}
return store;
}
}