/**
*
* 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.hadoop.hbase.coprocessor;
import org.apache.hadoop.hbase.CoprocessorEnvironment;
import org.apache.hadoop.hbase.metrics.MetricRegistry;
import org.apache.hadoop.hbase.regionserver.RegionServerServices;
public interface RegionServerCoprocessorEnvironment extends CoprocessorEnvironment {
/**
* Gets the region server services.
*
* @return the region server services
*/
RegionServerServices getRegionServerServices();
/**
* Returns a MetricRegistry that can be used to track metrics at the region server level.
*
* <p>See ExampleMasterObserverWithMetrics class in the hbase-examples modules for examples
* of how metrics can be instantiated and used.</p>
* @return A MetricRegistry for the coprocessor class to track and export metrics.
*/
MetricRegistry getMetricRegistryForRegionServer();
}