container/openejb-core/src/main/java/org/apache/openejb/cdi/WebappWebBeansContext.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.openejb.cdi;

import java.util.Map;
import java.util.Properties;

import org.apache.webbeans.config.WebBeansContext;
import org.apache.webbeans.container.BeanManagerImpl;

import javax.enterprise.inject.spi.Bean;

public class WebappWebBeansContext extends WebBeansContext {
    private final WebBeansContext parent;
    private BeanManagerImpl bm;

    public WebappWebBeansContext(final Map<Class<?>, Object> services, final Properties properties, final WebBeansContext webBeansContext) {
        super(services, properties);
        parent = webBeansContext;
    }

    @SuppressWarnings("PMD.DoubleCheckedLocking")
    @Override
    public BeanManagerImpl getBeanManagerImpl() {
        if (bm == null) { // should be done in the constructor
            synchronized (this) {
                if (bm == null) {
                    bm = new WebappBeanManager(this);
                }
            }
        }
        return bm;
    }

    public WebBeansContext getParent() {
        return parent;
    }

    @Override
    public boolean findMissingAnnotatedType(final Class<?> missing) {
        // annotated element caches are empty at this point
        for (final Bean<?> b : getParent().getBeanManagerImpl().getBeans()) {
            if (b.getBeanClass() == missing) {
                return true;
            }
        }
        return false;
    }
}