Adding add for utf8 and equals methods in String/Utf8/Charsequence Li…

…stViews

helper/helper/src/main/java/com/linkedin/avroutil1/compatibility/collectiontransformer/CharSequenceListView.java

@@ -83,4 +83,9 @@ public CharSequence next() {
       }
     };
   }
+
+  @Override
+  public boolean equals(Object o) {
+    return o instanceof CharSequenceListView && utf8List.equals(((CharSequenceListView) o).utf8List);
+  }
 }

helper/helper/src/main/java/com/linkedin/avroutil1/compatibility/collectiontransformer/StringListView.java

@@ -38,16 +38,30 @@ public String set(int index, String element) {
     return previousValue;
   }
 
+  public String set(int index, Utf8 element) {
+    String previousValue = String.valueOf(_utf8List.get(index));
+    _utf8List.set(index, element);
+    return previousValue;
+  }
+
   @Override
   public void add(int index, String element) {
     _utf8List.add(index, new Utf8(element));
   }
 
+  public void add(int index, Utf8 element) {
+    _utf8List.add(index, element);
+  }
+
   @Override
   public boolean add(String element) {
     return _utf8List.add(new Utf8(element));
   }
 
+  public boolean add(Utf8 element) {
+    return _utf8List.add(element);
+  }
+
   @Override
   public boolean addAll(int index, java.util.Collection<? extends String> c) {
     boolean modified = false;
@@ -84,4 +98,9 @@ public String next() {
       }
     };
   }
+
+  @Override
+  public boolean equals(Object o) {
+    return o instanceof StringListView && _utf8List.equals(((StringListView) o)._utf8List);
+  }
 }

helper/helper/src/main/java/com/linkedin/avroutil1/compatibility/collectiontransformer/Utf8ListView.java

@@ -66,4 +66,9 @@ public void clear() {
   public Iterator<Utf8> iterator() {
     return utf8List.iterator();
   }
+
+  @Override
+  public boolean equals(Object o) {
+    return o instanceof Utf8ListView && utf8List.equals(((Utf8ListView) o).utf8List);
+  }
 }