guanxf

createTree(1, orgNodeTree, sameOrgNodes, 0);


@NoArgsConstructor
@AllArgsConstructor
@Getter
@Setter
public class NodeTree {
    private  String pName;
    private  String name;
    private  int level;
    private List<NodeTree> children;
}

private void createTree(int leave, int ind, Map<String, NodeTree> pIndexNodeNameMap, List<NodeVo> childNodes) {
     Map<String, NodeTree> cIndexNodeNameMap = new HashMap();
     //構建樹
     int treeNo = pIndexNodeNameMap.size();
     if (treeNo == 0) {
         return;
     }
     int group = 0;
     for (int i = ind; i < childNodes.size(); i++) {
         NodeVo node = childNodes.get(i);
         long index = node.getId() % treeNo;
         NodeTree pNode = pIndexNodeNameMap.get(index + "");
         List<NodeTree> children = pNode.getChildren();
         if (CollectionUtils.isEmpty(children)) {
             children = new ArrayList();
         }
         if (children.size() > 2) {
             leave++;
             createTree(leave, i, cIndexNodeNameMap, childNodes);
             break;
         } else {
             NodeTree child = new NodeTree();
             child.setLevel(leave);
             child.setPName(pNode.getName());
             child.setName(node.getNodeName());
             children.add(child);
             pNode.setChildren(children);
             cIndexNodeNameMap.put(group + "", child);
             group++;
         }
     }
 }


private boolean createTree(int level, List<NodeTree> parentNodes, List<NodeVo> childNodes, int beginIndex) {
    //構建樹
    List<NodeTree> nextLevelNodes = new ArrayList<>();
    for (int i = beginIndex; i < childNodes.size(); i++) {
        int parentCount = 1;
        for (NodeTree pNode : parentNodes) {
            List<NodeTree> children = pNode.getChildren();
            if (CollectionUtils.isEmpty(children)) {
                children = new ArrayList();
                pNode.setChildren(children);
            }
            if (children.size() >= 3) {
                if(parentCount >= parentNodes.size()){
                    return createTree(++level, nextLevelNodes, childNodes, beginIndex);
                }
            } else {
                if (beginIndex >= childNodes.size()) {
                    return true;
                }
                NodeTree child = new NodeTree();
                child.setLevel(level);
                child.setPName(pNode.getName());
                NodeVo node = childNodes.get(beginIndex);
                child.setName(node.getNodeName());
                pNode.getChildren().add(child);
                nextLevelNodes.add(child);
                beginIndex++;
            }
            parentCount++;
        }
    }
    return true;
}