# 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.qi4j.library.circuitbreaker.service;

    import org.qi4j.api.injection.scope.Uses;
    import org.qi4j.api.mixin.Initializable;
    import org.qi4j.api.mixin.InitializationException;
    import org.qi4j.api.service.ServiceDescriptor;
    import org.qi4j.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;
        }

    }