コード例 #1
0
ファイル: HBaseClient.cs プロジェクト: sundebin/NHBaseAPI
 /// <summary>
 ///		回收指定scanner资源
 /// </summary>
 /// <param name="scannerId">scannerId</param>
 /// <param name="iep">对应的Region的服务器地址</param>
 /// <exception cref="IOErrorException">IO错误</exception>
 /// <exception cref="ArgumentNullException">参数不能为空</exception>
 /// <exception cref="CommunicationTimeoutException">通信超时</exception>
 /// <exception cref="CommunicationFailException">通信失败</exception>
 internal void ScannerClose(int scannerId, IPEndPoint iep)
 {
     IThriftConnectionAgent agent = _connectionPool.GetChannel(iep, "RegionServer", _protocolStack, _transactionManager);
     if (agent == null) throw new NoConnectionException();
     Exception ex = null;
     ThriftMessageTransaction transaction = agent.CreateTransaction();
     AutoResetEvent autoResetEvent = new AutoResetEvent(false);
     transaction.ResponseArrived += delegate(object sender, LightSingleArgEventArgs<ThriftMessage> e)
     {
         ScannerCloseResponseMessage rspMsg = (ScannerCloseResponseMessage)e.Target;
         if (rspMsg.IOErrorMessage != null) ex = new IOErrorException(rspMsg.IOErrorMessage.Reason);
         if (rspMsg.IOErrorMessage != null) ex = new IOErrorException(rspMsg.IOErrorMessage.Reason);
         else if (rspMsg.IllegalArgumentErrorMessage != null) ex = new IllegalArgumentException(rspMsg.IllegalArgumentErrorMessage.Reason);
         autoResetEvent.Set();
     };
     transaction.Timeout += delegate
     {
         ex = new CommunicationTimeoutException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     transaction.Failed += delegate
     {
         ex = new CommunicationFailException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     ScannerCloseRequestMessage reqMsg = new ScannerCloseRequestMessage { ScannerId = scannerId};
     transaction.SendRequest(reqMsg);
     autoResetEvent.WaitOne();
     if (ex != null) throw ex;
 }
コード例 #2
0
ファイル: HBaseClient.cs プロジェクト: sundebin/NHBaseAPI
 ///  <summary>
 /// 		插入一行数据
 ///  </summary>
 ///  <param name="tableName">表名</param>
 ///  <param name="rowkey">行键</param>
 /// <param name="iep">对应的Region的服务器地址</param>
 /// <param name="mutations">列信息</param>
 ///  <param name="attributes"></param>
 ///  <exception cref="IOErrorException">IO错误</exception>
 ///  <exception cref="IllegalArgumentException">参数错误</exception>
 ///  <exception cref="CommunicationTimeoutException">通信超时</exception>
 ///  <exception cref="CommunicationFailException">通信失败</exception>
 ///  <returns></returns>
 internal bool InsertRow(string tableName, byte[] rowkey, IPEndPoint iep, Mutation[] mutations, Dictionary<string,string> attributes=null)
 {
     if (string.IsNullOrEmpty(tableName)) throw new ArgumentNullException("tableName");
     if (rowkey == null || rowkey.Length == 0) throw new ArgumentNullException("rowkey");
     if (mutations == null || mutations.Length == 0) throw new ArgumentNullException("mutations");
     IThriftConnectionAgent agent = _connectionPool.GetChannel(iep, "RegionServer", _protocolStack, _transactionManager);
     if (agent == null) throw new NoConnectionException();
     Exception ex = null;
     ThriftMessageTransaction transaction = agent.CreateTransaction();
     AutoResetEvent autoResetEvent = new AutoResetEvent(false);
     transaction.ResponseArrived += delegate(object sender, LightSingleArgEventArgs<ThriftMessage> e)
     {
         InsertNewRowResponseMessage rspMsg = (InsertNewRowResponseMessage)e.Target;
         if (rspMsg.IOErrorMessage != null) ex = new IOErrorException(rspMsg.IOErrorMessage.Reason);
         else if (rspMsg.IllegalArgumentErrorMessage != null) ex = new IllegalArgumentException(rspMsg.IllegalArgumentErrorMessage.Reason);
         autoResetEvent.Set();
     };
     transaction.Timeout += delegate
     {
         ex = new CommunicationTimeoutException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     transaction.Failed += delegate
     {
         ex = new CommunicationFailException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     InsertNewRowRequestMessage reqMsg = new InsertNewRowRequestMessage
     {
         TableName = tableName,
         RowKey = rowkey
     };
     reqMsg.Mutations = mutations;
     reqMsg.Attributes = attributes;
     transaction.SendRequest(reqMsg);
     autoResetEvent.WaitOne();
     if (ex != null) throw ex;
     return true;
 }
コード例 #3
0
ファイル: HBaseClient.cs プロジェクト: sundebin/NHBaseAPI
 /// <summary>
 ///    判断一个指定的HBase表是否当前出于启用的状态
 /// </summary>
 /// <param name="tableName">表名</param>
 /// <exception cref="IOErrorException">IO错误</exception>
 /// <exception cref="ArgumentNullException">参数不能为空</exception>
 /// <exception cref="CommunicationTimeoutException">通信超时</exception>
 /// <exception cref="CommunicationFailException">通信失败</exception>
 internal bool IsTableEnable(string tableName)
 {
     if (string.IsNullOrEmpty(tableName)) throw new ArgumentNullException("tableName");
     IThriftConnectionAgent agent = _connectionPool.GetChannel(_regionServers[0], "RegionServer", _protocolStack, _transactionManager);
     if (agent == null) throw new NoConnectionException();
     bool result = false;
     Exception ex = null;
     ThriftMessageTransaction transaction = agent.CreateTransaction();
     AutoResetEvent autoResetEvent = new AutoResetEvent(false);
     transaction.ResponseArrived += delegate(object sender, LightSingleArgEventArgs<ThriftMessage> e)
     {
         IsTableEnableResponseMessage rspMsg = (IsTableEnableResponseMessage)e.Target;
         if (rspMsg.IOErrorMessage != null) ex = new IOErrorException(rspMsg.IOErrorMessage.Reason);
         result = rspMsg.IsEnable;
         autoResetEvent.Set();
     };
     transaction.Timeout += delegate
     {
         ex = new CommunicationTimeoutException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     transaction.Failed += delegate
     {
         ex = new CommunicationFailException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     IsTableEnableRequestMessage reqMsg = new IsTableEnableRequestMessage { TableName = tableName };
     transaction.SendRequest(reqMsg);
     autoResetEvent.WaitOne();
     if (ex != null) throw ex;
     return result;
 }
コード例 #4
0
ファイル: HBaseClient.cs プロジェクト: sundebin/NHBaseAPI
 /// <summary>
 ///    获取一行数据
 /// </summary>
 /// <param name="tableName">表名</param>
 /// <param name="keyName">键名</param>
 /// <param name="iep">对应的Region的服务器地址</param>
 /// <param name="columns">列名</param>
 /// <exception cref="IOErrorException">IO错误</exception>
 /// <exception cref="ArgumentNullException">参数不能为空</exception>
 /// <exception cref="CommunicationTimeoutException">通信超时</exception>
 /// <exception cref="CommunicationFailException">通信失败</exception>
 /// <returns>查询结果</returns>
 internal RowInfo[] GetRowWithColumnsFromTable(string tableName, string keyName, IPEndPoint iep, string[] columns)
 {
     if (string.IsNullOrEmpty(tableName)) throw new ArgumentNullException("tableName");
     if (string.IsNullOrEmpty(keyName)) throw new ArgumentNullException("keyName");
     IThriftConnectionAgent agent = _connectionPool.GetChannel(iep, "RegionServer", _protocolStack, _transactionManager);
     if (agent == null) throw new NoConnectionException();
     RowInfo[] result = { };
     Exception ex = null;
     ThriftMessageTransaction transaction = agent.CreateTransaction();
     AutoResetEvent autoResetEvent = new AutoResetEvent(false);
     transaction.ResponseArrived += delegate(object sender, LightSingleArgEventArgs<ThriftMessage> e)
     {
         GetRowWithColumnsResponseMessage rspMsg = (GetRowWithColumnsResponseMessage)e.Target;
         if (rspMsg.IOErrorMessage != null) ex = new IOErrorException(rspMsg.IOErrorMessage.Reason);
         result = rspMsg.RowInfos;
         autoResetEvent.Set();
     };
     transaction.Timeout += delegate
     {
         ex = new CommunicationTimeoutException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     transaction.Failed += delegate
     {
         ex = new CommunicationFailException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     GetRowWithColumnsRequestMessage reqMsg = new GetRowWithColumnsRequestMessage { TableName = tableName, RowKey = keyName, Columns = columns, Attributes = new Dictionary<string, string>() };
     transaction.SendRequest(reqMsg);
     autoResetEvent.WaitOne();
     if (ex != null) throw ex;
     return result;
 }
コード例 #5
0
ファイル: HBaseClient.cs プロジェクト: sundebin/NHBaseAPI
 ///  <summary>
 /// 		按rowkey上下限获取scannerId
 ///  </summary>
 ///  <param name="tableName">表名</param>
 ///  <param name="startKey">rowkey范围上界(结果中包含上界数据)</param>
 ///  <param name="endKey">rowkey范围下界(结果中不包含下界数据)</param>
 ///  <param name="iep">对应的Region的服务器地址</param>
 ///  <param name="columns">指定获取的列名</param>
 ///  <param name="attribute">attribute</param>
 ///  <exception cref="IOErrorException">IO错误</exception>
 ///  <exception cref="ArgumentNullException">参数不能为空</exception>
 ///  <exception cref="CommunicationTimeoutException">通信超时</exception>
 ///  <exception cref="CommunicationFailException">通信失败</exception>
 ///  <returns>scannerId</returns>
 internal int GetScannerOpenWithStop(string tableName, byte[] startKey, byte[] endKey, IPEndPoint iep, string[] columns, Dictionary<string, string> attribute = null)
 {
     if (string.IsNullOrEmpty(tableName)) throw new ArgumentNullException("tableName");
     if (startKey == null || startKey.Length == 0) throw new ArgumentNullException("startKey");
     if (endKey == null || endKey.Length == 0) throw new ArgumentNullException("endKey");
     IThriftConnectionAgent agent = _connectionPool.GetChannel(iep, "RegionServer", _protocolStack, _transactionManager);
     if (agent == null) throw new NoConnectionException();
     Exception ex = null;
     int result = -1;
     ThriftMessageTransaction transaction = agent.CreateTransaction();
     AutoResetEvent autoResetEvent = new AutoResetEvent(false);
     transaction.ResponseArrived += delegate(object sender, LightSingleArgEventArgs<ThriftMessage> e)
     {
         ScannerOpenWithStopResponseMessage rspMsg = (ScannerOpenWithStopResponseMessage)e.Target;
         if (rspMsg.IOErrorMessage != null) ex = new IOErrorException(rspMsg.IOErrorMessage.Reason);
         result = rspMsg.ScannerId;
         autoResetEvent.Set();
     };
     transaction.Timeout += delegate
     {
         ex = new CommunicationTimeoutException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     transaction.Failed += delegate
     {
         ex = new CommunicationFailException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     ScannerOpenWithStopRequestMessage reqMsg = new ScannerOpenWithStopRequestMessage { TableName = tableName, StartRow = startKey, EndRow = endKey, Columns = columns, Attribute = attribute};
     transaction.SendRequest(reqMsg);
     autoResetEvent.WaitOne();
     if (ex != null) throw ex;
     return result;
 }
コード例 #6
0
ファイル: HBaseClient.cs プロジェクト: sundebin/NHBaseAPI
 /// <summary>
 ///    从指定的scanner获取数据
 /// </summary>
 /// <param name="id">scanner序列号</param>
 /// <param name="rowCount">查询行数量</param>
 /// <param name="iep">对应的Region的服务器地址</param>
 /// <exception cref="IOErrorException">IO错误</exception>
 /// <exception cref="CommunicationTimeoutException">通信超时</exception>
 /// <exception cref="CommunicationFailException">通信失败</exception>
 internal RowInfo[] GetRowsFromScanner(int id, int rowCount, IPEndPoint iep)
 {
     IThriftConnectionAgent agent = _connectionPool.GetChannel(iep, "RegionServer", _protocolStack, _transactionManager);
     if (agent == null) throw new NoConnectionException();
     RowInfo[] result = { };
     Exception ex = null;
     ThriftMessageTransaction transaction = agent.CreateTransaction();
     AutoResetEvent autoResetEvent = new AutoResetEvent(false);
     transaction.ResponseArrived += delegate(object sender, LightSingleArgEventArgs<ThriftMessage> e)
     {
         ScannerGetListResponseMessage rspMsg = (ScannerGetListResponseMessage)e.Target;
         if (rspMsg.IOErrorMessage != null) ex = new IOErrorException(rspMsg.IOErrorMessage.Reason);
         result = rspMsg.RowInfos;
         autoResetEvent.Set();
     };
     transaction.Timeout += delegate
     {
         ex = new CommunicationTimeoutException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     transaction.Failed += delegate
     {
         ex = new CommunicationFailException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     ScannerGetListRequestMessage reqMsg = new ScannerGetListRequestMessage { Id = id, RowsCount = rowCount };
     transaction.SendRequest(reqMsg);
     autoResetEvent.WaitOne();
     if (ex != null) throw ex;
     return result;
 }
コード例 #7
0
ファイル: HBaseClient.cs プロジェクト: sundebin/NHBaseAPI
 /// <summary>
 ///		插入多行数据
 /// </summary>
 /// <param name="tableName">表名</param>
 /// <param name="iep">对应的Region的服务器地址</param>
 /// <param name="batchMutation">列数据集合</param>
 /// <exception cref="IOErrorException">IO错误</exception>
 /// <exception cref="ArgumentNullException">参数不能为空</exception>
 /// <exception cref="CommunicationTimeoutException">通信超时</exception>
 /// <exception cref="CommunicationFailException">通信失败</exception>
 /// <returns>是否成功插入</returns>
 internal bool BatchInsert(string tableName, IPEndPoint iep, BatchMutation[] batchMutation)
 {
     if (batchMutation == null) throw new ArgumentNullException("batchMutation");
     IThriftConnectionAgent agent = _connectionPool.GetChannel(iep, "RegionServer", _protocolStack, _transactionManager);
     if (agent == null) throw new NoConnectionException();
     Exception ex = null;
     ThriftMessageTransaction transaction = agent.CreateTransaction();
     AutoResetEvent autoResetEvent = new AutoResetEvent(false);
     transaction.ResponseArrived += delegate(object sender, LightSingleArgEventArgs<ThriftMessage> e)
     {
         InsertNewRowsResponseMessage rspMsg = (InsertNewRowsResponseMessage)e.Target;
         if (rspMsg.IOErrorMessage != null) ex = new IOErrorException(rspMsg.IOErrorMessage.Reason);
         autoResetEvent.Set();
     };
     transaction.Timeout += delegate
     {
         ex = new CommunicationTimeoutException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     transaction.Failed += delegate
     {
         ex = new CommunicationFailException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     InsertNewRowsRequestMessage reqMsg = new InsertNewRowsRequestMessage { TableName = tableName, RowBatch = batchMutation, Attributes = new Dictionary<string, string>() };
     transaction.SendRequest(reqMsg);
     autoResetEvent.WaitOne();
     if (ex != null) throw ex;
     return true;
 }
コード例 #8
0
ファイル: HBaseClient.cs プロジェクト: sundebin/NHBaseAPI
 ///  <summary>
 /// 	原子计数器递增
 ///  </summary>
 ///  <param name="tableName">表名</param>
 ///  <param name="rowKey">rowKey</param>
 ///  <param name="column">列名</param>
 /// <param name="iep">对应的Region的服务器地址</param>
 /// <param name="value">递增值</param>
 ///  <returns>递增后的结果</returns>
 internal long AtomicIncrement(string tableName, byte[] rowKey, string column, IPEndPoint iep, long @value = 1)
 {
     if (string.IsNullOrEmpty(tableName)) throw new ArgumentNullException("tableName");
     IThriftConnectionAgent agent = _connectionPool.GetChannel(iep, "RegionServer", _protocolStack, _transactionManager);
     if (agent == null) throw new NoConnectionException();
     Exception ex = null;
     long result = 0;
     ThriftMessageTransaction transaction = agent.CreateTransaction();
     AutoResetEvent autoResetEvent = new AutoResetEvent(false);
     transaction.ResponseArrived += delegate(object sender, LightSingleArgEventArgs<ThriftMessage> e)
     {
         AtomicIncrementResponseMessage rspMsg = (AtomicIncrementResponseMessage)e.Target;
         if (rspMsg.IOErrorMessage != null) ex = new IOErrorException(rspMsg.IOErrorMessage.Reason);
         else if (rspMsg.IllegalArgumentErrorMessage != null) ex = new IOErrorException(rspMsg.IllegalArgumentErrorMessage.Reason);
         result = rspMsg.Success;
         autoResetEvent.Set();
     };
     transaction.Timeout += delegate
     {
         ex = new CommunicationTimeoutException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     transaction.Failed += delegate
     {
         ex = new CommunicationFailException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     AtomicIncrementRequestMessage reqMsg = new AtomicIncrementRequestMessage { TableName = tableName, RowKey = rowKey, Column = column, Value = @value};
     transaction.SendRequest(reqMsg);
     autoResetEvent.WaitOne();
     if (ex != null) throw ex;
     return result;
 }
コード例 #9
0
ファイル: HBaseClient.cs プロジェクト: sundebin/NHBaseAPI
 /// <summary>
 ///    获取HBase中所有的表名信息
 /// </summary>
 /// <returns>返回所有的表名</returns>
 /// <exception cref="IOErrorException">IO错误</exception>
 /// <exception cref="CommunicationTimeoutException">通信超时</exception>
 /// <exception cref="CommunicationFailException">通信失败</exception>
 public List<string> GetTableNames()
 {
     IThriftConnectionAgent agent = _connectionPool.GetChannel(_regionServers[0], "RegionServer", _protocolStack, _transactionManager);
     if (agent == null) throw new NoConnectionException();
     Exception ex = null;
     ThriftMessageTransaction transaction = agent.CreateTransaction();
     AutoResetEvent autoResetEvent = new AutoResetEvent(false);
     List<string> tables = null;
     transaction.ResponseArrived += delegate(object sender, LightSingleArgEventArgs<ThriftMessage> e)
     {
         GetTableNamesResponseMessage rspMsg = (GetTableNamesResponseMessage)e.Target;
         if (rspMsg.IOErrorMessage != null) ex = new IOErrorException(rspMsg.IOErrorMessage.Reason);
         tables = (rspMsg.Tables == null ? new List<string>() : new List<string>(rspMsg.Tables));
         autoResetEvent.Set();
     };
     transaction.Timeout += delegate
     {
         ex = new CommunicationTimeoutException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     transaction.Failed += delegate
     {
         ex = new CommunicationFailException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     GetTableNamesRequestMessage reqMsg = new GetTableNamesRequestMessage();
     transaction.SendRequest(reqMsg);
     autoResetEvent.WaitOne();
     if (ex != null) throw ex;
     return tables;
 }
コード例 #10
0
ファイル: HBaseClient.cs プロジェクト: sundebin/NHBaseAPI
 /// <summary>
 ///    创建一个HBase表
 /// </summary>
 /// <param name="tableName">表名</param>
 /// <param name="descriptors">表描述符</param>
 /// <returns>如果创建成功,则返回可以操作该表的实例</returns>
 /// <exception cref="AlreadyExistsException">表已经存在</exception>
 /// <exception cref="IOErrorException">IO错误</exception>
 /// <exception cref="IllegalArgumentException">参数错误</exception>
 /// <exception cref="ArgumentNullException">参数不能为空</exception>
 /// <exception cref="CommunicationTimeoutException">通信超时</exception>
 /// <exception cref="CommunicationFailException">通信失败</exception>
 /// <exception cref="NoConnectionException">内部无任何可用的远程连接异常,这通常代表无法连接到任何一台远程服务器</exception>
 public IHTable CreateTable(string tableName, params ColumnDescriptor[] descriptors)
 {
     if (string.IsNullOrEmpty(tableName)) throw new ArgumentNullException("tableName");
     if (descriptors == null || descriptors.Length == 0) throw new ArgumentNullException("descriptors");
     IThriftConnectionAgent agent = _connectionPool.GetChannel(_regionServers[0], "RegionServer", _protocolStack, _transactionManager);
     if (agent == null) throw new NoConnectionException();
     Exception ex = null;
     ThriftMessageTransaction transaction = agent.CreateTransaction();
     AutoResetEvent autoResetEvent = new AutoResetEvent(false);
     transaction.ResponseArrived += delegate(object sender, LightSingleArgEventArgs<ThriftMessage> e)
     {
         CreateTableResponseMessage rspMsg = (CreateTableResponseMessage) e.Target;
         if (rspMsg.IOErrorMessage != null) ex = new IOErrorException(rspMsg.IOErrorMessage.Reason);
         else if (rspMsg.IllegalArgumentErrorMessage != null) ex = new IllegalArgumentException(rspMsg.IllegalArgumentErrorMessage.Reason);
         else if (rspMsg.AlreadyExistsErrorMessage != null) ex = new AlreadyExistsException(rspMsg.AlreadyExistsErrorMessage.Reason);
         autoResetEvent.Set();
     };
     transaction.Timeout += delegate
     {
         ex = new CommunicationTimeoutException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     transaction.Failed += delegate
     {
         ex = new CommunicationFailException(transaction.SequenceId);
         autoResetEvent.Set();
     };
     CreateTableRequestMessage reqMsg = new CreateTableRequestMessage {TableName = tableName, ColumnFamilies = descriptors};
     transaction.SendRequest(reqMsg);
     autoResetEvent.WaitOne();
     if (ex != null) throw ex;
     return new HTable(reqMsg.TableName, this, _hostMappingManager);
 }