libraries/circuitbreaker/src/main/java/org/apache/zest/library/circuitbreaker/service/ServiceCircuitBreakerMixin.java

/*
 * Copyright 2009-2010 Rickard Öberg AB
 *
 * 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.apache.zest.library.circuitbreaker.service;

import org.apache.zest.api.injection.scope.Uses;
import org.apache.zest.api.mixin.Initializable;
import org.apache.zest.api.mixin.InitializationException;
import org.apache.zest.api.service.ServiceDescriptor;
import org.apache.zest.library.circuitbreaker.CircuitBreaker;

/**
 * Helper implementation of ServiceCircuitBreaker. Fetches the CircuitBreaker from meta-info
 * for the service.
 */
public class ServiceCircuitBreakerMixin
        implements ServiceCircuitBreaker, Initializable
{

    @Uses
    ServiceDescriptor descriptor;

    CircuitBreaker circuitBreaker;

    @Override
    public void initialize()
            throws InitializationException
    {
        circuitBreaker = descriptor.metaInfo( CircuitBreaker.class );
    }

    @Override
    public CircuitBreaker circuitBreaker()
    {
        return circuitBreaker;
    }

}