| /** |
| * 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.regionserver.handler; |
| |
| import org.apache.hadoop.hbase.executor.EventHandler; |
| import org.apache.hadoop.hbase.procedure2.RSProcedureCallable; |
| import org.apache.hadoop.hbase.regionserver.HRegionServer; |
| import org.apache.yetus.audience.InterfaceAudience; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * A event handler for running procedure. |
| */ |
| @InterfaceAudience.Private |
| public class RSProcedureHandler extends EventHandler { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(RSProcedureHandler.class); |
| |
| private final long procId; |
| |
| private final RSProcedureCallable callable; |
| |
| public RSProcedureHandler(HRegionServer rs, long procId, RSProcedureCallable callable) { |
| super(rs, callable.getEventType()); |
| this.procId = procId; |
| this.callable = callable; |
| } |
| |
| @Override |
| public void process() { |
| Throwable error = null; |
| try { |
| callable.call(); |
| } catch (Throwable t) { |
| LOG.error("Error when call RSProcedureCallable: ", t); |
| error = t; |
| } finally { |
| ((HRegionServer) server).remoteProcedureComplete(procId, error); |
| } |
| } |
| } |