The SimpleModelRecorder is an object used for recording model changes (transactions) and enabling rollback functionality. It stores only the latest transaction.

<q ref="core.gml:Object">Object</q>Instances of this class are created automatically by the system, and should not be created directly. To access the ModelRecorder object of the currently open model use the <q ref="core.env:Environment!recorder">$ENV.recorder</q> property.(c) SAP AG 2003-2006. All rights reserved.

Begins a new recording.

A display name to assign to the recording.An object representing a snapshot of the current window at its last stable state prior to the recording (see <q ref="core.dev:Workspace!captureSnapshot">captureSnapshot</q>). If omitted, the snapshot of the window at the exact moment that the recording has began will be used.<ol><li>A transactions recording is a sequence of one or more transactions that are undone or redone in a single scope. </li><li>Once a recording has been started, you can use the <code>add</code> method to add new transactions to it. </li><li>As soon as you are done with the actions that constitute your scope you should call the <code>commit</code> resp. <code>rollback</code> method to accept resp. cancel the recording. </li><li>You must balance calls to the <code>begin</code> method with calls to the <code>commit</code> method. Nested calls to the <code>begin</code> method are merged, so at most a single recording is active at any time. </li></ol>

Accepts the current recording.

An object representing a snapshot of the current window at its next stable state after the recording. If omitted, the snapshot taken at the beginning of the recording will be used.

Executes a new transaction and appends it to the current recording.

The transaction type Id (see <q ref="core.env:KitTransactions!TRANSACTION_TYPE">TRANSACTION_TYPE</q>).A variable-length arguments list to pass to the transaction constructor.The transaction object, or null in case of any error.If there is no current recording, a new recording containing the given transaction will be automatically created.

Gets the recorder busy state.

<code>true</code> if the recorder is in the middle of an undo, redo or rollback operation, <code>false</code> otherwise.

Gets the recorder state.

The recorder state.

Reapplies the first recording in the future, if any.

Cancels the current recording.

Reverses the last recording in the past, if any.