| /* |
| * 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. |
| */ |
| |
| #include "ReadChecker.h" |
| |
| #include <activemq/transport/inactivity/InactivityMonitor.h> |
| |
| #include <decaf/lang/System.h> |
| #include <decaf/lang/exceptions/NullPointerException.h> |
| |
| using namespace activemq; |
| using namespace activemq::transport; |
| using namespace activemq::transport::inactivity; |
| using namespace decaf; |
| using namespace decaf::util; |
| using namespace decaf::lang; |
| using namespace decaf::lang::exceptions; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| ReadChecker::ReadChecker(InactivityMonitor* parent) : TimerTask(), parent(parent), lastRunTime(0) { |
| |
| if (this->parent == NULL) { |
| throw NullPointerException(__FILE__, __LINE__, "ReadChecker created with NULL parent."); |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| ReadChecker::~ReadChecker() { |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void ReadChecker::run() { |
| |
| long long now = System::currentTimeMillis(); |
| long long elapsed = (now - this->lastRunTime); |
| |
| // Perhaps the timer executed a read check late.. and then executes |
| // the next read check on time which causes the time elapsed between |
| // read checks to be small.. |
| |
| // If less than 90% of the read check Time elapsed then abort this readcheck. |
| if (!this->parent->allowReadCheck(elapsed)) { |
| return; |
| } |
| |
| this->lastRunTime = now; |
| |
| // Invoke the parent check routine. |
| this->parent->readCheck(); |
| } |