InstanceStore.TryCommand 方法

定義

持久化提供者實作此方法,判斷特定持久化指令是否可執行,若能執行則非同步執行。

protected public:
 virtual bool TryCommand(System::Runtime::DurableInstancing::InstancePersistenceContext ^ context, System::Runtime::DurableInstancing::InstancePersistenceCommand ^ command, TimeSpan timeout);
protected internal virtual bool TryCommand(System.Runtime.DurableInstancing.InstancePersistenceContext context, System.Runtime.DurableInstancing.InstancePersistenceCommand command, TimeSpan timeout);
abstract member TryCommand : System.Runtime.DurableInstancing.InstancePersistenceContext * System.Runtime.DurableInstancing.InstancePersistenceCommand * TimeSpan -> bool
override this.TryCommand : System.Runtime.DurableInstancing.InstancePersistenceContext * System.Runtime.DurableInstancing.InstancePersistenceCommand * TimeSpan -> bool
Protected Friend Overridable Function TryCommand (context As InstancePersistenceContext, command As InstancePersistenceCommand, timeout As TimeSpan) As Boolean

參數

context
InstancePersistenceContext

實例上下文。

command
InstancePersistenceCommand

要執行的命令。

timeout
TimeSpan

操作的逾時值。

傳回

若持久化提供者實作不支援作為參數的指令,應回傳 false ;否則應回傳 true 或拋出例外。

備註

若指令可執行,持久化提供者會呼叫相關方法 InstancePersistenceContext 以提供指令結果。

適用於