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Devart.Data.Oracle Namespace / OracleQueueTableOptions Class
Members Example

OracleQueueTableOptions Class
Queue table properties, that are used for its creation.
Syntax
'Declaration
 
Public NotInheritable Class OracleQueueTableOptions 
 
Example
The following example demonstrates usage of OracleQueue, OracleQueueAdmin, OracleQueueTable, OracleQueueTableOptions, and OracleQueueMessage classes. For detailed description of advanced queuing and more samples, refer to the Advanced Queuing Technology article.
static void Main(string[] args)
{
        using (OracleConnection oracleConnection = new OracleConnection(
                        "User Id=system;Password=manager;Server=ora;Direct=False;")) {
                oracleConnection.Open();
                OracleCommand oracleCommand = new OracleCommand(
                        "CREATE OR REPLACE TYPE message AS OBJECT (nickname VARCHAR2(15), " +
                        "mestext VARCHAR2(80));", oracleConnection);
                oracleCommand.ExecuteNonQuery();
                OracleQueueTable oracleQueueTable = new OracleQueueTable("QUEUE_TABLE_MESSAGE", oracleConnection);
                oracleQueueTable.Options.PayloadTypeName = "message";
                oracleQueueTable.CreateQueueTable();
                OracleQueueAdmin oracleQueueAdmin = new OracleQueueAdmin("MESSAGE_QUEUE",
                        "QUEUE_TABLE_MESSAGE", oracleConnection);
                oracleQueueAdmin.CreateQueue();
                oracleQueueAdmin.StartQueue();
                OracleQueue oracleEnqueueQueue = new OracleQueue("MESSAGE_QUEUE", oracleConnection);
                OracleObject mes = new OracleObject("message", oracleConnection);
                mes["nickname"] = oracleConnection.UserId;
                mes["mestext"] = "Hello, world!";
                oracleEnqueueQueue.Enqueue(mes);
                OracleQueue oracleDequeueQueue = new OracleQueue("MESSAGE_QUEUE", oracleConnection);
                OracleQueueMessage msg = oracleDequeueQueue.Dequeue();
                if (msg != null && msg.ObjectPayload != null) {
                        Console.WriteLine(msg.ObjectPayload["nickname"]);
                        Console.WriteLine(msg.ObjectPayload["mestext"]);
                }
                oracleQueueAdmin.StopQueue();
                oracleQueueAdmin.DropQueue();
                oracleQueueTable.DropQueueTable();
                oracleConnection.Close();
        }
}
Sub Main()
        Using oracleConnection As New OracleConnection("User Id=system;Password=manager;Server=ora;Direct=False;")
                oracleConnection.Open()
                Dim oracleCommand As New OracleCommand("CREATE OR REPLACE TYPE message " & _
                        "AS OBJECT (nickname VARCHAR2(15), mestext VARCHAR2(80));", oracleConnection)
                OracleCommand.ExecuteNonQuery()
                Dim oracleQueueTable As New OracleQueueTable("QUEUE_TABLE_MESSAGE", oracleConnection)
                oracleQueueTable.Options.PayloadTypeName = "message"
                oracleQueueTable.CreateQueueTable()
                Dim oracleQueueAdmin As New OracleQueueAdmin("MESSAGE_QUEUE", _
                        "QUEUE_TABLE_MESSAGE", oracleConnection)
                oracleQueueAdmin.CreateQueue()
                oracleQueueAdmin.StartQueue()
                Dim oracleEnqueueQueue As New OracleQueue("MESSAGE_QUEUE", oracleConnection)
                Dim mes As New OracleObject("message", oracleConnection)
                mes.Item("nickname") = oracleConnection.UserId
                mes.Item("mestext") = "Hello, world!"
                oracleEnqueueQueue.Enqueue(mes)
                Dim oracleDequeueQueue As New OracleQueue("MESSAGE_QUEUE", oracleConnection)
                Dim msg As OracleQueueMessage = oracleDequeueQueue.Dequeue()
                If ((Not msg Is Nothing) AndAlso (Not msg.ObjectPayload Is Nothing)) Then
                        Console.WriteLine(msg.ObjectPayload.Item("nickname"))
                        Console.WriteLine(msg.ObjectPayload.Item("mestext"))
                End If
                oracleQueueAdmin.StopQueue()
                oracleQueueAdmin.DropQueue()
                oracleQueueTable.DropQueueTable()
                oracleConnection.Close()
    End Using
End Sub
Inheritance Hierarchy

System.Object
   Devart.Data.Oracle.OracleQueueTableOptions

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also