public boolean checkCouldRollback(Node node) {
// TODO: 如果是catchEvent，也应该可以退回，到时候再说
for (Edge edge : node.getOutgoingEdges()) {
Node dest = edge.getDest();
String type = dest.getType();
if ("userTask".equals(type)) {
if (!dest.isActive()) {
boolean isSkip = isSkipActivity(dest.getId());
if (isSkip) {
return checkCouldRollback(dest);
} else {
// logger.info("cannot rollback, " + type + "("
// + dest.getName() + ") is complete.");
// return false;
return true;
}
}
} else if (type.endsWith("Gateway")) {
return checkCouldRollback(dest);
} else {
logger.info("cannot rollback, " + type + "(" + dest.getName() + ") is complete.");
return false;
}
}
return true;
}
public void collectNodes(Node node, List<String> historyNodeIds) {
logger.info("node : {}, {}, {}", node.getId(), node.getType(), node.getName());
for (Edge edge : node.getOutgoingEdges()) {
logger.info("edge : {}", edge.getName());
Node dest = edge.getDest();
historyNodeIds.add(dest.getId());
collectNodes(dest, historyNodeIds);
}
}
public String findIncomingNode(Graph graph, Node node) {
for (Edge edge : graph.getEdges()) {
Node src = edge.getSrc();
Node dest = edge.getDest();
String srcType = src.getType();
if (!dest.getId().equals(node.getId())) {
continue;
}
if ("userTask".equals(srcType)) {
boolean isSkip = isSkipActivity(src.getId());
if (isSkip) {
return this.findIncomingNode(graph, src);
} else {
return src.getId();
}
} else if (srcType.endsWith("Gateway")) {
return this.findIncomingNode(graph, src);
} else {
logger.info(
"cannot rollback, previous node is not userTask : "
+ src.getId()
+ " "
+ srcType
+ "("
+ src.getName()
+ ")");
return null;
}
}
logger.info(
"cannot rollback, this : "
+ node.getId()
+ " "
+ node.getType()
+ "("
+ node.getName()
+ ")");
return null;
}