extensions/metrics-yammer/src/main/java/org/qi4j/metrics/yammer/YammerMetricsProvider.java

/*
 * Copyright (c) 2012, Niclas Hedhman. All Rights Reserved.
 *
 * 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.metrics.yammer;

import org.qi4j.api.activation.ActivatorAdapter;
import org.qi4j.api.activation.Activators;
import org.qi4j.api.metrics.MetricsProvider;
import org.qi4j.api.mixin.Mixins;
import org.qi4j.api.service.ServiceReference;

@Mixins( YammerMetricsMixin.class )
@Activators( YammerMetricsProvider.Activator.class )
public interface YammerMetricsProvider
        extends MetricsProvider
{

    void shutdownMetrics()
            throws Exception;

    class Activator
            extends ActivatorAdapter<ServiceReference<YammerMetricsProvider>>
    {

        @Override
        public void beforePassivation( ServiceReference<YammerMetricsProvider> passivating )
                throws Exception
        {
            passivating.get().shutdownMetrics();
        }

    }

}