Bug 277676 [UI] The workbench should create the contexts
The workbench should create contexts for the model elements, MApplication and MParts (windows, sashes, contributed parts, etc). This is not really the responsibility of the renderers. PW
bundles/org.eclipse.e4.ui.model.workbench/src/org/eclipse/e4/ui/model/internal/application/MApplicationImpl.java
*/
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case ApplicationPackage.MAPPLICATION__WINDOWS:
				getWindows().clear();
				return;
			case ApplicationPackage.MAPPLICATION__COMMAND:
				getCommand().clear();
				return;
		}
		super.eUnset(featureID);
	}
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case ApplicationPackage.MAPPLICATION__WINDOWS:
				return windows != null && !windows.isEmpty();
			case ApplicationPackage.MAPPLICATION__COMMAND:
				return command != null && !command.isEmpty();
		}
		return super.eIsSet(featureID);
	}
}