The OracleHAEventArgs class provides event data for the OracleConnection.HAEvent event.
System.Object
System.EventArgs
Oracle.DataAccess.Client.OracleHAEventArgs
// C# public sealed class OracleHAEventArgs
| Provider | ODP.NET, Unmanaged Driver | ODP.NET, Managed Driver |
|---|---|---|
| Assembly | Oracle.DataAccess.dll |
Oracle.ManagedDataAccess.dll |
| Namespace | Oracle.DataAccess.Client |
Oracle.ManagedDataAccess.Client |
| .NET Framework | 3.5, 4.0, 4.5 | 4.0, 4.5 |
All public methods are thread-safe, although instance methods do not guarantee thread safety.
When any HA event occurs for a service, service member, host, node, or instance that an OracleConnection object is set to with "ha events=true", the OracleConnection.HAEvent is triggered and passes an instance of OracleHAEventArgs to all the delegates that have registered with the event.
See Also:
OracleHAEventArgs members are listed in the following table.
The OracleHAEventArgs properties are listed in Table 8-2.
Table 8-1 OracleHAEventArgs Properties
| Name | Description |
|---|---|
|
Specifies the domain name of the database affected by the |
|
|
Specifies the database affected by the |
|
|
Specifies the host that triggered the event |
|
|
Specifies the instance that triggered the event |
|
|
Specifies the reason for which the HA event was sent by the server |
|
|
Specifies the service that triggered the event |
|
|
Specifies the source that triggered the event |
|
|
Specifies the status of the source that triggered the event |
|
|
Specifies the time when the event was triggered on the server |
The OracleHAEventArgs properties are listed in Table 8-2.
Table 8-2 OracleHAEventArgs Properties
| Name | Description |
|---|---|
|
Specifies the domain name of the database affected by the |
|
|
Specifies the database affected by the HAevent |
|
|
Specifies the host that triggered the event |
|
|
Specifies the instance that triggered the event |
|
|
Specifies the reason for which the HA event was sent by the server |
|
|
Specifies the service that triggered the event |
|
|
Specifies the source that triggered the event |
|
|
Specifies the status of the source that triggered the event |
|
|
Specifies the time when the event was triggered on the server |
See Also:
This property specifies the domain name of the database that is affected by the HA event.
// C#
public string DatabaseDomainName {get;}
The domain name of the database that is affected by the HA Event.
This property specifies the database that is affected by the HA event.
// C#
public string DatabaseName {get;}
This property specifies the database name that is affected by the HA event.
This property specifies the host that triggered the HA event.
// C#
public string HostName {get;}
The host that is affected by the HA Event.
This property specifies the instance that triggered the HA event.
// C#
public string InstanceName {get;}
The instance that is affected by the HA Event.
This property specifies reason for which the HA event was sent by the server.
// C#
public string Reason {get;}
The reason the HA Event was triggered. Possible values include Data_Guard_Failover, Failure, Dependency, User, Autostart, and Restart.
The value User is indicative of a planned outage. All other values are indicative of an unplanned outage.
This property specifies the service that triggered the HA event.
// C#
public string ServiceName {get;}
The service that is affected by the HA Event.
This property specifies the source that triggered the HA event.
// C#
public OracleHAEventSource Source {get;}
The source that triggered the HA Event.
This property specifies the status of the source that triggered the HA event.
// C#
public OracleHAEventStatus Status {get;}
The status of the source that triggered the HA Event.