MergePullSubscription 类
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
代表合并出版物的拉取订阅。
public ref class MergePullSubscription sealed : Microsoft::SqlServer::Replication::PullSubscription
public sealed class MergePullSubscription : Microsoft.SqlServer.Replication.PullSubscription
type MergePullSubscription = class
inherit PullSubscription
Public NotInheritable Class MergePullSubscription
Inherits PullSubscription
- 继承
示例
// Define the Publisher, publication, and databases.
string publicationName = "AdvWorksSalesOrdersMerge";
string publisherName = publisherInstance;
string subscriberName = subscriberInstance;
string subscriptionDbName = "AdventureWorks2012Replica";
string publicationDbName = "AdventureWorks2012";
string hostname = @"adventure-works\garrett1";
//Create connections to the Publisher and Subscriber.
ServerConnection subscriberConn = new ServerConnection(subscriberName);
ServerConnection publisherConn = new ServerConnection(publisherName);
// Create the objects that we need.
MergePublication publication;
MergePullSubscription subscription;
try
{
// Connect to the Subscriber.
subscriberConn.Connect();
// Ensure that the publication exists and that
// it supports pull subscriptions.
publication = new MergePublication();
publication.Name = publicationName;
publication.DatabaseName = publicationDbName;
publication.ConnectionContext = publisherConn;
if (publication.LoadProperties())
{
if ((publication.Attributes & PublicationAttributes.AllowPull) == 0)
{
publication.Attributes |= PublicationAttributes.AllowPull;
}
// Define the pull subscription.
subscription = new MergePullSubscription();
subscription.ConnectionContext = subscriberConn;
subscription.PublisherName = publisherName;
subscription.PublicationName = publicationName;
subscription.PublicationDBName = publicationDbName;
subscription.DatabaseName = subscriptionDbName;
subscription.HostName = hostname;
// Specify the Windows login credentials for the Merge Agent job.
subscription.SynchronizationAgentProcessSecurity.Login = winLogin;
subscription.SynchronizationAgentProcessSecurity.Password = winPassword;
// Make sure that the agent job for the subscription is created.
subscription.CreateSyncAgentByDefault = true;
// Create the pull subscription at the Subscriber.
subscription.Create();
Boolean registered = false;
// Verify that the subscription is not already registered.
foreach (MergeSubscription existing
in publication.EnumSubscriptions())
{
if (existing.SubscriberName == subscriberName
&& existing.SubscriptionDBName == subscriptionDbName
&& existing.SubscriptionType == SubscriptionOption.Pull)
{
registered = true;
}
}
if (!registered)
{
// Register the local subscription with the Publisher.
publication.MakePullSubscriptionWellKnown(
subscriberName, subscriptionDbName,
SubscriptionSyncType.Automatic,
MergeSubscriberType.Local, 0);
}
}
else
{
// Do something here if the publication does not exist.
throw new ApplicationException(String.Format(
"The publication '{0}' does not exist on {1}.",
publicationName, publisherName));
}
}
catch (Exception ex)
{
// Implement the appropriate error handling here.
throw new ApplicationException(String.Format(
"The subscription to {0} could not be created.", publicationName), ex);
}
finally
{
subscriberConn.Disconnect();
publisherConn.Disconnect();
}
' Define the Publisher, publication, and databases.
Dim publicationName As String = "AdvWorksSalesOrdersMerge"
Dim publisherName As String = publisherInstance
Dim subscriberName As String = subscriberInstance
Dim subscriptionDbName As String = "AdventureWorks2012Replica"
Dim publicationDbName As String = "AdventureWorks2012"
Dim hostname As String = "adventure-works\garrett1"
'Create connections to the Publisher and Subscriber.
Dim subscriberConn As ServerConnection = New ServerConnection(subscriberName)
Dim publisherConn As ServerConnection = New ServerConnection(publisherName)
' Create the objects that we need.
Dim publication As MergePublication
Dim subscription As MergePullSubscription
Try
' Connect to the Subscriber.
subscriberConn.Connect()
' Ensure that the publication exists and that
' it supports pull subscriptions.
publication = New MergePublication()
publication.Name = publicationName
publication.DatabaseName = publicationDbName
publication.ConnectionContext = publisherConn
If publication.LoadProperties() Then
If (publication.Attributes And PublicationAttributes.AllowPull) = 0 Then
publication.Attributes = publication.Attributes _
Or PublicationAttributes.AllowPull
End If
' Define the pull subscription.
subscription = New MergePullSubscription()
subscription.ConnectionContext = subscriberConn
subscription.PublisherName = publisherName
subscription.PublicationName = publicationName
subscription.PublicationDBName = publicationDbName
subscription.DatabaseName = subscriptionDbName
subscription.HostName = hostname
' Specify the Windows login credentials for the Merge Agent job.
subscription.SynchronizationAgentProcessSecurity.Login = winLogin
subscription.SynchronizationAgentProcessSecurity.Password = winPassword
' Make sure that the agent job for the subscription is created.
subscription.CreateSyncAgentByDefault = True
' Create the pull subscription at the Subscriber.
subscription.Create()
Dim registered As Boolean = False
' Verify that the subscription is not already registered.
For Each existing As MergeSubscription In _
publication.EnumSubscriptions()
If existing.SubscriberName = subscriberName Then
registered = True
End If
Next
If Not registered Then
' Register the local subscription with the Publisher.
publication.MakePullSubscriptionWellKnown( _
subscriberName, subscriptionDbName, _
SubscriptionSyncType.Automatic, _
MergeSubscriberType.Local, 0)
End If
Else
' Do something here if the publication does not exist.
Throw New ApplicationException(String.Format( _
"The publication '{0}' does not exist on {1}.", _
publicationName, publisherName))
End If
Catch ex As Exception
' Implement the appropriate error handling here.
Throw New ApplicationException(String.Format( _
"The subscription to {0} could not be created.", publicationName), ex)
Finally
subscriberConn.Disconnect()
publisherConn.Disconnect()
End Try
注解
对于拉取订阅,合并代理 在订阅者处运行。
线程安全性
任何此类公共静态(SharedMicrosoft Visual Basic)成员对多线程操作都是安全的。 不能保证任何实例成员是线程安全的。
构造函数
| 名称 | 说明 |
|---|---|
| MergePullSubscription() |
创建类的新实例 MergePullSubscription 。 |
| MergePullSubscription(String, String, String, String, ServerConnection, Boolean) |
创建一个新的类实例MergePullSubscription,包含指定的数据库、Publisher、发布、订阅者连接以及是否创建了代理任务。 |
| MergePullSubscription(String, String, String, String, ServerConnection) |
初始化一个新的类实例MergePullSubscription,使用指定的数据库、Publisher、发布和订阅连接。 |
属性
| 名称 | 说明 |
|---|---|
| AgentJobId |
获取用于同步订阅的代理任务ID。 (继承自 PullSubscription) |
| AgentOffload |
获取或设置同步代理是否运行在非创建代理作业的计算机上。 该属性不再支持运行 Microsoft SQL Server 2005 及以后版本的分发器。 (继承自 PullSubscription) |
| AgentOffloadServer |
在使用远程代理激活时,获取或设置代理运行的远程计算机名称。 (继承自 PullSubscription) |
| AgentSchedule |
获取用于同步订阅的代理任务的日程安排。 (继承自 PullSubscription) |
| AltSnapshotFolder |
当分发器未使用默认快照位置时,获取或设置发布快照文件获取的位置。 (继承自 PullSubscription) |
| CachePropertyChanges |
获取或设置是缓存复制属性的更改,还是立即应用。 (继承自 ReplicationObject) |
| ConnectionContext |
获取或设置连接到 Microsoft SQL Server 实例。 (继承自 ReplicationObject) |
| CreateSyncAgentByDefault |
获取或设置用于启动复制代理以同步订阅的代理作业是否在订阅创建时被创建。 (继承自 PullSubscription) |
| DatabaseName |
获取或设置订阅数据库的名称。 (继承自 PullSubscription) |
| Description |
获取或设置拉取订阅的文本描述。 (继承自 PullSubscription) |
| DistributorName |
获取或设置作为分发器的 Microsoft SQL Server 实例,并分发订阅所订阅的出版物。 (继承自 PullSubscription) |
| DistributorSecurity |
获取连接分发器时使用的安全上下文。 (继承自 PullSubscription) |
| DynamicSnapshotLocation |
当出版物使用参数化行过滤器时,获取或设置订阅专用快照文件的文件位置。 |
| EnabledForSynchronizationManager |
指定订阅是否可以通过 Windows 同步管理器同步。 (继承自 PullSubscription) |
| FtpAddress |
获取或设置FTP服务器的IP地址。 (继承自 PullSubscription) |
| FtpLogin |
获取或设置FTP登录。 (继承自 PullSubscription) |
| FtpPassword |
获取或设置FTP密码。 (继承自 PullSubscription) |
| FtpPort |
获取或设置FTP服务器的端口号。 (继承自 PullSubscription) |
| HostName |
当该函数被用于定义订阅者数据分区的参数化行过滤器时,获取或设置 HOST_NAME 函数所提供的值。 |
| InternetLogin |
在网页同步时,通过 HTTP 基本认证获取或设置登录名。 |
| InternetPassword |
在网页同步时,获取或设置所提供的 InternetLogin 密码。 |
| InternetSecurityMode |
获取或设置连接Web服务器时使用的HTTP认证方法。 |
| InternetTimeout |
在网页同步时连接到Web服务器时,能获得或设置HTTP超时,单位为秒。 |
| InternetUrl |
在使用网页同步同步订阅时获取或设置URL以使用。 |
| IsExistingObject |
判断该对象是否存在于服务器上。 (继承自 ReplicationObject) |
| IsMemoryOptimized |
代表合并出版物的拉取订阅。 (继承自 PullSubscription) |
| LastAgentDateTime |
它会显示订阅最后一次同步的日期和时间。 (继承自 PullSubscription) |
| LastAgentStatus |
获取订阅最新同步的状态。 (继承自 PullSubscription) |
| LastAgentSummary |
获取最近一次订阅同步结果的摘要。 (继承自 PullSubscription) |
| Name |
获取拉取订阅时生成的名称。 (继承自 PullSubscription) |
| Priority |
在解决订阅冲突时,获取或设置该服务器订阅相对于其他服务器订阅的权重。 |
| PublicationDBName |
获取或设定发表数据库的名称。 (继承自 PullSubscription) |
| PublicationName |
获取或设置订阅所订阅的出版物名称。 (继承自 PullSubscription) |
| PublisherName |
获取或设定 Publisher 的名字。 (继承自 PullSubscription) |
| PublisherSecurity |
获取或设置同步代理连接Publisher时使用的安全上下文。 (继承自 PullSubscription) |
| SecureFtpPassword |
获取或设置登录时用于连接FTP服务器的安全密码。 (继承自 PullSubscription) |
| SecureInternetPassword |
设置连接 HTTP 基本认证时使用的密码(对象 SecureString )。 |
| SqlServerName |
获取该对象所连接的 Microsoft SQL Server 实例名称。 (继承自 ReplicationObject) |
| SubscriberSecurity |
获取同步代理连接用户时所采用的安全上下文。 (继承自 PullSubscription) |
| SubscriberType |
获取或设置订阅是服务器订阅还是客户端订阅。 |
| SubscriptionId |
它会获得订阅ID的数值。 (继承自 PullSubscription) |
| SubscriptionType |
它能识别订阅注册是推送、拉取还是匿名订阅。 (继承自 PullSubscription) |
| SynchronizationAgent |
获得一个对象,代表 合并代理 的一个实例,可用于同步订阅。 |
| SynchronizationAgentProcessSecurity |
获取用于指定同步代理作业运行的Microsoft Windows账户以同步订阅的安全上下文。 (继承自 PullSubscription) |
| SyncType |
获取或设置用户处数据初始化的方式。 |
| Type |
获取或设置出版类型。 (继承自 PullSubscription) |
| UseFtp |
获取或设置是同步代理使用文件传输协议(FTP)访问初始化拉取订阅所需的快照文件。 (继承自 PullSubscription) |
| UseInteractiveResolver |
在同步过程中是否使用交互式解析器,获取或设置。 |
| UserData |
获取或设置一个对象属性,允许用户将自己的数据附加到该对象上。 (继承自 ReplicationObject) |
| UseWebSynchronization |
获取或设置订阅是否通过网页同步同步。 |
| WorkingDirectory |
获取或设置订阅者所在目录的路径,用于临时存储和解压下载的快照文件。 (继承自 PullSubscription) |