org.jboss.cdi.tck.tests.lookup.dynamic.destroy.normal.AbstractContext Maven / Gradle / Ivy

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CDI TCK tests

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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2013, Red Hat, Inc., 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.cdi.tck.tests.lookup.dynamic.destroy.normal;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import javax.enterprise.context.spi.Context;
import javax.enterprise.context.spi.Contextual;
import javax.enterprise.context.spi.CreationalContext;

public abstract class AbstractContext implements Context {

	protected static class Instance {
        private final Object instance;
        private final CreationalContext ctx;

        public Instance(Object instance, CreationalContext ctx) {
            this.instance = instance;
            this.ctx = ctx;
        }

		public Object getInstance() {
			return instance;
		}

		public CreationalContext getCtx() {
			return ctx;
		}
	}

	protected final Map, Instance> storage = new ConcurrentHashMap, Instance>();

	@Override
    public  T get(Contextual contextual, CreationalContext creationalContext) {
        T instance = get(contextual);
        if (instance == null) {
            storage.put(contextual, new Instance(contextual.create(creationalContext), creationalContext));
            instance = get(contextual);
        }
        return instance;
    }

    @Override
    @SuppressWarnings("unchecked")
    public  T get(Contextual contextual) {
        Instance instance = storage.get(contextual);
        if (instance != null) {
            return (T) instance.instance;
        }
        return null;
    }

    @Override
    public boolean isActive() {
        return true;
    }

}