/// <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;
}
/// <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;
}
/// <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);
}
