private void addConnection(final Element parentElement, final Connection connection) {
final Document doc = parentElement.getOwnerDocument();
final Element element = doc.createElement("connection");
parentElement.appendChild(element);
addTextElement(element, "id", connection.getIdentifier());
addTextElement(element, "name", connection.getName());
final Element bendPointsElement = doc.createElement("bendPoints");
element.appendChild(bendPointsElement);
for (final Position bendPoint : connection.getBendPoints()) {
addPosition(bendPointsElement, bendPoint, "bendPoint");
}
addTextElement(element, "labelIndex", connection.getLabelIndex());
addTextElement(element, "zIndex", connection.getZIndex());
final String sourceId = connection.getSource().getIdentifier();
final ConnectableType sourceType = connection.getSource().getConnectableType();
final String sourceGroupId;
if (sourceType == ConnectableType.REMOTE_OUTPUT_PORT) {
sourceGroupId =
((RemoteGroupPort) connection.getSource()).getRemoteProcessGroup().getIdentifier();
} else {
sourceGroupId = connection.getSource().getProcessGroup().getIdentifier();
}
final ConnectableType destinationType = connection.getDestination().getConnectableType();
final String destinationId = connection.getDestination().getIdentifier();
final String destinationGroupId;
if (destinationType == ConnectableType.REMOTE_INPUT_PORT) {
destinationGroupId =
((RemoteGroupPort) connection.getDestination()).getRemoteProcessGroup().getIdentifier();
} else {
destinationGroupId = connection.getDestination().getProcessGroup().getIdentifier();
}
addTextElement(element, "sourceId", sourceId);
addTextElement(element, "sourceGroupId", sourceGroupId);
addTextElement(element, "sourceType", sourceType.toString());
addTextElement(element, "destinationId", destinationId);
addTextElement(element, "destinationGroupId", destinationGroupId);
addTextElement(element, "destinationType", destinationType.toString());
for (final Relationship relationship : connection.getRelationships()) {
addTextElement(element, "relationship", relationship.getName());
}
addTextElement(
element,
"maxWorkQueueSize",
connection.getFlowFileQueue().getBackPressureObjectThreshold());
addTextElement(
element,
"maxWorkQueueDataSize",
connection.getFlowFileQueue().getBackPressureDataSizeThreshold());
addTextElement(
element, "flowFileExpiration", connection.getFlowFileQueue().getFlowFileExpiration());
for (final FlowFilePrioritizer comparator : connection.getFlowFileQueue().getPriorities()) {
final String className = comparator.getClass().getCanonicalName();
addTextElement(element, "queuePrioritizerClass", className);
}
parentElement.appendChild(element);
}
