CDIContextBridge.java

/*
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 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
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 * and Distribution License("CDDL") (collectively, the "License").  You
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 * obtain a copy of the License at
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package org.glassfish.cdi.hk2;

import java.lang.annotation.Annotation;

import javax.inject.Singleton;

import org.glassfish.hk2.api.ActiveDescriptor;
import org.glassfish.hk2.api.Context;
import org.glassfish.hk2.api.ServiceHandle;

/**
 * This is an HK2 context for use with descriptors that are backed by
 * CDI services (which are not Dependent or Singleton).  This scope
 * is most like PerLookup, as it always asks for a new instance.  Whether
 * or not CDI truly gives a new instance or not is up to CDI
 * 
 * @author jwells
 *
 */
@Singleton
public class CDIContextBridge implements Context<CDIScope> {

    /* (non-Javadoc)
     * @see org.glassfish.hk2.api.Context#getScope()
     */
    @Override
    public Class<? extends Annotation> getScope() {
        return CDIScope.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) {
        return activeDescriptor.create(root);
    }

    /* (non-Javadoc)
     * @see org.glassfish.hk2.api.Context#containsKey(org.glassfish.hk2.api.ActiveDescriptor)
     */
    @Override
    public boolean containsKey(ActiveDescriptor<?> descriptor) {
        return false;
    }

    /* (non-Javadoc)
     * @see org.glassfish.hk2.api.Context#destroyOne(org.glassfish.hk2.api.ActiveDescriptor)
     */
    @Override
    public void destroyOne(ActiveDescriptor<?> descriptor) {
        // It is up to CDI to managed lifecycle

    }

    /* (non-Javadoc)
     * @see org.glassfish.hk2.api.Context#supportsNullCreation()
     */
    @Override
    public boolean supportsNullCreation() {
        return false;
    }

    /* (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() {
        // It is up to CDI to manage lifecycle

    }

}