Provides notification of task submission. If specified, the listener is only notified about submits for the specified connector. Otherwise, it is notified about all submits. 3.7 Copyright (c) 2012 Tasktop Technologies and others. All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at http://www.eclipse.org/legal/epl-v10.html