/**
* Traverses the node, including its children (recursive), and gathers all the node ids.
*
* @param node the target node
* @param set set to store ids, if <tt>null</tt> a new set will be created
* @param onlyCustomId whether to only store custom assigned ids (ie. {@link
* org.apache.camel.model.OptionalIdentifiedDefinition#hasCustomIdAssigned()}
* @param includeAbstract whether to include abstract nodes (ie. {@link
* org.apache.camel.model.ProcessorDefinition#isAbstract()}
* @return the set with the found ids.
*/
public static Set<String> gatherAllNodeIds(
ProcessorDefinition<?> node, Set<String> set, boolean onlyCustomId, boolean includeAbstract) {
if (node == null) {
return set;
}
// skip abstract
if (node.isAbstract() && !includeAbstract) {
return set;
}
if (set == null) {
set = new LinkedHashSet<String>();
}
// add ourselves
if (node.getId() != null) {
if (!onlyCustomId || node.hasCustomIdAssigned() && onlyCustomId) {
set.add(node.getId());
}
}
// traverse outputs and recursive children as well
List<ProcessorDefinition<?>> children = node.getOutputs();
if (children != null && !children.isEmpty()) {
for (ProcessorDefinition<?> child : children) {
// traverse children also
gatherAllNodeIds(child, set, onlyCustomId, includeAbstract);
}
}
return set;
}
/**
* Is there any outputs in the given list.
*
* <p>Is used for check if the route output has any real outputs (non abstracts)
*
* @param outputs the outputs
* @param excludeAbstract whether or not to exclude abstract outputs (e.g. skip onException etc.)
* @return <tt>true</tt> if has outputs, otherwise <tt>false</tt> is returned
*/
@SuppressWarnings("unchecked")
public static boolean hasOutputs(List<ProcessorDefinition> outputs, boolean excludeAbstract) {
if (outputs == null || outputs.isEmpty()) {
return false;
}
if (!excludeAbstract) {
return !outputs.isEmpty();
}
for (ProcessorDefinition output : outputs) {
if (output instanceof TransactedDefinition || output instanceof PolicyDefinition) {
// special for those as they wrap entire output, so we should just check its output
return hasOutputs(output.getOutputs(), excludeAbstract);
}
if (!output.isAbstract()) {
return true;
}
}
return false;
}
