| /* |
| * |
| * 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. |
| * |
| */ |
| using System; |
| |
| namespace Apache.Qpid.Client.Qms.Failover |
| { |
| public class FailoverSingleServer : IFailoverMethod |
| { |
| /** The default number of times to rety a conection to this server */ |
| public const int DEFAULT_SERVER_RETRIES = 1; |
| |
| /** |
| * The details of the Single Server |
| */ |
| private IBrokerInfo _brokerDetail; |
| |
| /** |
| * The number of times to retry connecting to the sever |
| */ |
| private int _retries; |
| |
| /** |
| * The current number of attempts made to the server |
| */ |
| private int _currentRetries; |
| |
| |
| public FailoverSingleServer(IConnectionInfo connectionDetails) |
| { |
| if (connectionDetails.BrokerCount > 0) |
| { |
| SetBroker(connectionDetails.GetBrokerInfo(0)); |
| } |
| else |
| { |
| throw new ArgumentException("BrokerInfo details required for connection."); |
| } |
| } |
| |
| public FailoverSingleServer(IBrokerInfo brokerDetail) |
| { |
| SetBroker(brokerDetail); |
| } |
| |
| public void Reset() |
| { |
| _currentRetries = -1; |
| } |
| |
| public bool FailoverAllowed() |
| { |
| return _currentRetries < _retries; |
| } |
| |
| public void AttainedConnection() |
| { |
| Reset(); |
| } |
| |
| public IBrokerInfo GetCurrentBrokerInfo() |
| { |
| return _brokerDetail; |
| } |
| |
| public IBrokerInfo GetNextBrokerDetails() |
| { |
| if (_currentRetries == _retries) |
| { |
| return null; |
| } |
| else |
| { |
| if (_currentRetries < _retries) |
| { |
| _currentRetries ++; |
| } |
| |
| return _brokerDetail; |
| } |
| } |
| |
| public void SetBroker(IBrokerInfo broker) |
| { |
| if (broker == null) |
| { |
| throw new ArgumentException("BrokerInfo details cannot be null"); |
| } |
| _brokerDetail = broker; |
| |
| String retries = broker.GetOption(BrokerInfoConstants.OPTIONS_RETRY); |
| if (retries != null) |
| { |
| try |
| { |
| _retries = int.Parse(retries); |
| } |
| catch (FormatException) |
| { |
| _retries = DEFAULT_SERVER_RETRIES; |
| } |
| } |
| else |
| { |
| _retries = DEFAULT_SERVER_RETRIES; |
| } |
| |
| Reset(); |
| } |
| |
| public void SetRetries(int retries) |
| { |
| _retries = retries; |
| } |
| |
| public String MethodName |
| { |
| get { return "Single Server"; } |
| } |
| |
| public String toString() |
| { |
| return "SingleServer:\n"+ |
| "Max Retries:"+_retries+ |
| "\nCurrent Retry:"+_currentRetries+ |
| "\n"+_brokerDetail+"\n"; |
| } |
| |
| } |
| } |