[ONOS-4650][ONOS-4726][ONOS-4727] [ONOS-4728]Implement must parser + when parser + feature + if-feature + revision defect fix
Change-Id: I0a3aee6c1c6b72ef7da7f7f565fd0f149fe3fd42
diff --git a/utils/yangutils/datamodel/src/main/java/org/onosproject/yangutils/datamodel/YangIfFeatureHolder.java b/utils/yangutils/datamodel/src/main/java/org/onosproject/yangutils/datamodel/YangIfFeatureHolder.java
new file mode 100644
index 0000000..46c3233
--- /dev/null
+++ b/utils/yangutils/datamodel/src/main/java/org/onosproject/yangutils/datamodel/YangIfFeatureHolder.java
@@ -0,0 +1,44 @@
+/*Copyright 2016.year Open Networking Laboratory
+
+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.*/
+
+package org.onosproject.yangutils.datamodel;
+
+import java.util.List;
+
+/**
+ * Abstraction of if-feature entity. It is used to abstract the data holders of if-feature.
+ */
+public interface YangIfFeatureHolder {
+
+ /**
+ * Returns the list of if-feature from data holder like container / list.
+ *
+ * @return the list of if-feature
+ */
+ List<YangIfFeature> getIfFeatureList();
+
+ /**
+ * Adds if-feature in if-feature list.
+ *
+ * @param ifFeature the if-feature to be added
+ */
+ void addIfFeatureList(YangIfFeature ifFeature);
+
+ /**
+ * Sets the list of if-feature.
+ *
+ * @param ifFeatureList the list of if-feature to set
+ */
+ void setIfFeatureList(List<YangIfFeature> ifFeatureList);
+}