SingletonBean.java

/*
 * Copyright 2013 eXo Platform SAS
 *
 * 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 juzu.impl.inject.spi.spring;

import org.springframework.beans.factory.annotation.AnnotatedGenericBeanDefinition;
import org.springframework.beans.factory.support.AutowireCandidateQualifier;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;

import java.lang.annotation.Annotation;

/** @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> */
class SingletonBean extends AbstractBean {

  /** . */
  final Object instance;

  SingletonBean(Object instance, Iterable<Annotation> qualifiers) {
    super(instance.getClass(), qualifiers);

    //
    this.instance = instance;
  }

  @Override
  void configure(String name, SpringInjector builder, DefaultListableBeanFactory factory) {
    AnnotatedGenericBeanDefinition definition = new AnnotatedGenericBeanDefinition(type);
    definition.setScope("singleton");
    if (qualifiers != null) {
      for (AutowireCandidateQualifier qualifier : qualifiers) {
        definition.addQualifier(qualifier);
      }
    }
    factory.registerBeanDefinition(name, definition);

    // Register instance
    builder.instances.put(name, instance);
  }
}