PipelineActivity activity,
IntegrationEntity newContent,
IntegrationEntity previousContent) {
OperationId opId = opNode.getOperationId();
PipelineActivityPosition pos = opNode.getPipeline().getPosition(activity);
ActivityContentChangedEdit edit = new ActivityContentChangedEdit(
controller,
opId,
pos,
(newContent != null ? newContent.getID() : null),
(previousContent != null ? previousContent.getID() : null)