DbOutdatedSyncException 类
尝试同步具有过时元数据的对等数据库时,发生错误而引发的异常。
命名空间: Microsoft.Synchronization.Data
程序集: Microsoft.Synchronization.Data(在 Microsoft.Synchronization.Data.dll 中)
语法
声明
<SerializableAttribute> _
Public Class DbOutdatedSyncException _
Inherits DbSyncException
用法
Dim instance As DbOutdatedSyncException
[SerializableAttribute]
public class DbOutdatedSyncException : DbSyncException
[SerializableAttribute]
public ref class DbOutdatedSyncException : public DbSyncException
[<SerializableAttribute>]
type DbOutdatedSyncException =
class
inherit DbSyncException
end
public class DbOutdatedSyncException extends DbSyncException
示例
以下代码示例同步三个对等方并处理类型为 DbOutdatedSyncException 的异常。
//The SampleStats class handles information from the SyncStatistics
//object that the Synchronize method returns.
SampleStats sampleStats = new SampleStats();
try
{
//Initial synchronization. Instantiate the SyncOrchestrator
//and call Synchronize. Note that data is not synchronized during the
//session between peer 1 and peer 3, because all rows have already
//been delivered to peer 3 during its synchronization session with peer 2.
SyncOrchestrator sampleSyncAgent;
SyncOperationStatistics syncStatistics;
sampleSyncAgent = new SampleSyncAgent(Utility.ConnStr_DbSync1, Utility.ConnStr_DbSync2);
syncStatistics = sampleSyncAgent.Synchronize();
sampleStats.DisplayStats(syncStatistics, "initial");
sampleSyncAgent = new SampleSyncAgent(Utility.ConnStr_DbSync2, Utility.ConnStr_DbSync3);
syncStatistics = sampleSyncAgent.Synchronize();
sampleStats.DisplayStats(syncStatistics, "initial");
sampleSyncAgent = new SampleSyncAgent(Utility.ConnStr_DbSync1, Utility.ConnStr_DbSync3);
syncStatistics = sampleSyncAgent.Synchronize();
sampleStats.DisplayStats(syncStatistics, "initial");
}
catch (DbOutdatedSyncException ex)
{
Console.WriteLine("Outdated Knowledge: " + ex.OutdatedPeerSyncKnowledge.ToString() +
" Clean up knowledge: " + ex.MissingCleanupKnowledge.ToString());
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
'The SampleStats class handles information from the SyncStatistics
'object that the Synchronize method returns.
Dim sampleStats As New SampleStats()
Try
'Initial synchronization. Instantiate the SyncOrchestrator
'and call Synchronize. Note that data is not synchronized during the
'session between peer 1 and peer 3, because all rows have already
'been delivered to peer 3 during its synchronization session with peer 2.
Dim sampleSyncAgent As SyncOrchestrator
Dim syncStatistics As SyncOperationStatistics
sampleSyncAgent = New SampleSyncAgent(Utility.ConnStr_DbSync1, Utility.ConnStr_DbSync2)
syncStatistics = sampleSyncAgent.Synchronize()
sampleStats.DisplayStats(syncStatistics, "initial")
sampleSyncAgent = New SampleSyncAgent(Utility.ConnStr_DbSync2, Utility.ConnStr_DbSync3)
syncStatistics = sampleSyncAgent.Synchronize()
sampleStats.DisplayStats(syncStatistics, "initial")
sampleSyncAgent = New SampleSyncAgent(Utility.ConnStr_DbSync1, Utility.ConnStr_DbSync3)
syncStatistics = sampleSyncAgent.Synchronize()
sampleStats.DisplayStats(syncStatistics, "initial")
Catch ex As DbOutdatedSyncException
Console.WriteLine("Outdated Knowledge: " & ex.OutdatedPeerSyncKnowledge.ToString() _
& " Clean up knowledge: " + ex.MissingCleanupKnowledge.ToString())
Catch ex As Exception
Console.WriteLine(ex.Message)
End Try
继承层次结构
System. . :: . .Object
System. . :: . .Exception
Microsoft.Synchronization. . :: . .SyncException
Microsoft.Synchronization.Data. . :: . .DbSyncException
Microsoft.Synchronization.Data..::..DbOutdatedSyncException
线程安全
此类型的所有公共成员static(在 Visual Basic 中为 Shared) 都是线程安全的。不保证所有实例成员都是线程安全的。