/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.oracle.hk2.devtest.cdi.ejb1.scoped;
import java.lang.annotation.Annotation;
import java.util.HashMap;
import java.util.Map;
import javax.inject.Singleton;
import org.glassfish.hk2.api.ActiveDescriptor;
import org.glassfish.hk2.api.Context;
import org.glassfish.hk2.api.ServiceHandle;
import org.jvnet.hk2.annotations.Service;
/**
* The context implementation for CustomScope. Does allow null value
* returns. Works more like Singleton than anything else, though it
* does keep its own map, and hence can do better at shutdown
*
* @author jwells
*
*/
@Service
@Singleton
public class CustomScopeContext implements Context<CustomScope> {
private final Map<ActiveDescriptor, Object> values =
new HashMap<ActiveDescriptor, Object>();
/* (non-Javadoc)
* @see org.glassfish.hk2.api.Context#getScope()
*/
@Override
public Class<? extends Annotation> getScope() {
return CustomScope.class;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.Context#findOrCreate(org.glassfish.hk2.api.ActiveDescriptor, org.glassfish.hk2.api.ServiceHandle)
*/
@Override
public <U> U findOrCreate(ActiveDescriptor<U> activeDescriptor,
ServiceHandle<?> root) {
if (values.containsKey(activeDescriptor)) {
return (U) values.get(activeDescriptor);
}
U retVal = activeDescriptor.create(root);
values.put(activeDescriptor, retVal);
return retVal;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.Context#containsKey(org.glassfish.hk2.api.ActiveDescriptor)
*/
@Override
public boolean containsKey(ActiveDescriptor<?> descriptor) {
return values.containsKey(descriptor);
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.Context#destroyOne(org.glassfish.hk2.api.ActiveDescriptor)
*/
@Override
public void destroyOne(ActiveDescriptor descriptor) {
if (!values.containsKey(descriptor)) return;
Object u = values.get(descriptor);
descriptor.dispose(u);
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.Context#supportsNullCreation()
*/
@Override
public boolean supportsNullCreation() {
return true;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.Context#isActive()
*/
@Override
public boolean isActive() {
return true;
}
/* (non-Javadoc)
* @see org.glassfish.hk2.api.Context#shutdown()
*/
@Override
public void shutdown() {
for (Map.Entry<ActiveDescriptor, Object> entry : values.entrySet()) {
ActiveDescriptor ad = entry.getKey();
Object value = entry.getValue();
ad.dispose(value);
}
values.clear();
}
}