Implant vid-app-common org.onap.vid.job (main and test)

[vid.git] / vid-app-common / src / main / java / org / onap / vid / utils / Tree.kt

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 28f989b..6245375 100644 (file)
--- 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
@@ -1,3 +1,23 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * VID
+ * ================================================================================
+ * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
 package org.onap.vid.utils
 
 data class Node<T>(val value:T, val children:MutableMap<T, Node<T>> = hashMapOf())
@@ -21,6 +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())
     }