1 files changed, 10 insertions, 2 deletions
diff --git a/vid-app-common/src/main/java/org/onap/vid/utils/Tree.kt b/vid-app-common/src/main/java/org/onap/vid/utils/Tree.kt
index 35e913d16..62453756f 100644
--- a/vid-app-common/src/main/java/org/onap/vid/utils/Tree.kt
+++ b/vid-app-common/src/main/java/org/onap/vid/utils/Tree.kt
@@ -7,9 +7,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -41,6 +41,14 @@ data class Tree<T>(private val root:Node<T>) {
         }
     }
 
+    fun getChildrenDepth(): Int {
+        return getMaxDepth(root) - 1
+    }
+
+    private fun getMaxDepth(level:Node<T>): Int {
+        return (level.children.map{getMaxDepth(it.value)}.max() ?: 0) + 1
+    }
+
     fun getSubTree(vararg path: T): Tree<T>? {
         return getSubTree(path.asList())
     }