1 /** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 */ 19 package org.apache.hadoop.hbase.monitoring; 20 21 import org.apache.hadoop.hbase.classification.InterfaceAudience; 22 23 import com.google.protobuf.Message; 24 25 /** 26 * A MonitoredTask implementation optimized for use with RPC Handlers 27 * handling frequent, short duration tasks. String concatenations and object 28 * allocations are avoided in methods that will be hit by every RPC call. 29 */ 30 @InterfaceAudience.Private 31 public interface MonitoredRPCHandler extends MonitoredTask { 32 String getRPC(); 33 String getRPC(boolean withParams); 34 long getRPCPacketLength(); 35 String getClient(); 36 long getRPCStartTime(); 37 long getRPCQueueTime(); 38 boolean isRPCRunning(); 39 boolean isOperationRunning(); 40 41 void setRPC(String methodName, Object[] params, long queueTime); 42 void setRPCPacket(Message param); 43 void setConnection(String clientAddress, int remotePort); 44 }