1 /** 2 * Copyright 2011 The Apache Software Foundation 3 * 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 package org.apache.hadoop.hbase.monitoring; 21 22 import org.apache.hadoop.hbase.util.Bytes; 23 import org.apache.hadoop.io.Writable; 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 public interface MonitoredRPCHandler extends MonitoredTask { 31 public abstract String getRPC(); 32 public abstract String getRPC(boolean withParams); 33 public abstract long getRPCPacketLength(); 34 public abstract String getClient(); 35 public abstract long getRPCStartTime(); 36 public abstract long getRPCQueueTime(); 37 public abstract boolean isRPCRunning(); 38 public abstract boolean isOperationRunning(); 39 40 public abstract void setRPC(String methodName, Object [] params, 41 long queueTime); 42 public abstract void setRPCPacket(Writable param); 43 public abstract void setConnection(String clientAddress, int remotePort); 44 }