/*
 * 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.deltaspike.partialbean.impl;

import org.apache.deltaspike.core.api.provider.BeanProvider;
import org.apache.deltaspike.core.util.ReflectionUtils;
import org.apache.deltaspike.core.util.metadata.builder.ContextualLifecycle;

import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Bean;
import java.lang.reflect.Method;

public class DeltaSpikePartialProducerLifecycle<T> implements ContextualLifecycle<T>
{
    private final Class targetPartialBeanClass;
    private final Method producerMethod;

    public DeltaSpikePartialProducerLifecycle(Class targetPartialBeanClass, Method producerMethod)
    {
        this.targetPartialBeanClass = targetPartialBeanClass;
        this.producerMethod = producerMethod;
    }

    @Override
    public T create(Bean<T> bean, CreationalContext<T> creationalContext)
    {
        Object partialBean = BeanProvider.getContextualReference(this.targetPartialBeanClass);
        return (T)ReflectionUtils.invokeMethod(partialBean, this.producerMethod, Object.class, false);
    }

    @Override
    public void destroy(Bean<T> bean, T instance, CreationalContext<T> creationalContext)
    {
        //we don't need to support disposer-methods for now (because it's just about exposing injectable values)
    }
}
