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How to Use Low-Level Commands

Low-level commands are the mechanism that Operations are built on top of.
When performing an operation, there is an underlying low-level command that is in charge of sending the appropriate request to the server (via the Request Executor) and parsing the server reply.

In order to use low-level commands directly, you will need to use the Execute or ExectueAsync method of a Request Executor.

void Execute<TResult>(RavenCommand<TResult> command, JsonOperationContext context, SessionInfo sessionInfo = null)
Task ExecuteAsync<TResult>(RavenCommand<TResult> command, JsonOperationContext context, SessionInfo sessionInfo = null, CancellationToken token = default(CancellationToken))

Examples

GetDocumentsCommand

using (var session = documentStore.OpenSession())
{
    var command = new GetDocumentsCommand("orders/1-A", null, false);
    session.Advanced.RequestExecutor.Execute(command, session.Advanced.Context);
    var order = (BlittableJsonReaderObject)command.Result.Results[0];
}
using (var session = documentStore.OpenAsyncSession())
{
    var command = new GetDocumentsCommand("orders/1-A", null, false);
    await session.Advanced.RequestExecutor.ExecuteAsync(command, session.Advanced.Context);
    var order = (BlittableJsonReaderObject)command.Result.Results[0];
}

DeleteDocumentCommand

using (var session = documentStore.OpenSession())
{
    var command = new DeleteDocumentCommand("employees/1-A", null);
    session.Advanced.RequestExecutor.Execute(command, session.Advanced.Context);
}
using (var session = documentStore.OpenAsyncSession())
{
    var command = new DeleteDocumentCommand("employees/1-A", null);
    await session.Advanced.RequestExecutor.ExecuteAsync(command, session.Advanced.Context);
}

The Following Low-Level Commands are Available:

  • BatchCommand
  • CreateSubscriptionCommand
  • DeleteDocumentCommand
  • DeleteSubscriptionCommand
  • DropSubscriptionConnectionCommand
  • ExplainQueryCommand
  • GetConflictsCommand
  • GetDocumentsCommand
  • GetIdentitiesCommand
  • GetNextOperationIdCommand
  • GetOperationStateCommand
  • GetRevisionsBinEntryCommand
  • GetRevisionsCommand
  • GetStatisticsCommand
  • GetSubscriptionsCommand
  • GetSubscriptionStateCommand
  • HeadAttachmentCommand
  • HeadDocumentCommand
  • HiLoReturnCommand
  • KillOperationCommand
  • NextHiLoCommand
  • NextIdentityForCommand
  • PatchCommand
  • PutDocumentCommand
  • QueryCommand
  • QueryStreamCommand
  • SeedIdentityForCommand
  • StartBackupCommand
  • StreamCommand