made response type enum package private. added static get value methid

Author: DvirDukhan

src/main/java/com/redislabs/redisgraph/ResultSet.java

@@ -7,20 +7,6 @@
  */
 public interface ResultSet extends Iterator<Record> {
 
-
-    enum ResultSetScalarTypes {
-        VALUE_UNKNOWN,
-        VALUE_NULL,
-        VALUE_STRING,
-        VALUE_INTEGER,
-        VALUE_BOOLEAN,
-        VALUE_DOUBLE,
-        VALUE_ARRAY,
-        VALUE_EDGE,
-        VALUE_NODE
-    }
-    
-
     int size();
 
     Statistics getStatistics();

src/main/java/com/redislabs/redisgraph/graph_entities/GraphEntity.java

@@ -1,8 +1,5 @@
 package com.redislabs.redisgraph.graph_entities;
 
-
-import com.redislabs.redisgraph.ResultSet.ResultSetScalarTypes;
-
 import java.util.*;
 
 

src/main/java/com/redislabs/redisgraph/impl/resultset/ResultSetImpl.java

@@ -1,6 +1,10 @@
 package com.redislabs.redisgraph.impl.resultset;
 
-import com.redislabs.redisgraph.*;
+import com.redislabs.redisgraph.Header;
+import com.redislabs.redisgraph.Record;
+import com.redislabs.redisgraph.RedisGraph;
+import com.redislabs.redisgraph.ResultSet;
+import com.redislabs.redisgraph.Statistics;
 import com.redislabs.redisgraph.graph_entities.Edge;
 import com.redislabs.redisgraph.graph_entities.GraphEntity;
 import com.redislabs.redisgraph.graph_entities.Node;
@@ -254,7 +258,7 @@ private List<Object> deserializeArray(Object rawScalarData) {
      * @return scalar type
      */
     private ResultSetScalarTypes getValueTypeFromObject(Object rawScalarType) {
-        return ResultSetScalarTypes.values()[((Long) rawScalarType).intValue()];
+        return ResultSetScalarTypes.getValue(((Long) rawScalarType).intValue());
     }
 
     @Override

src/main/java/com/redislabs/redisgraph/impl/resultset/ResultSetScalarTypes.java

@@ -0,0 +1,24 @@
+package com.redislabs.redisgraph.impl.resultset;
+
+import redis.clients.jedis.exceptions.JedisDataException;
+
+enum ResultSetScalarTypes {
+    VALUE_UNKNOWN,
+    VALUE_NULL,
+    VALUE_STRING,
+    VALUE_INTEGER,
+    VALUE_BOOLEAN,
+    VALUE_DOUBLE,
+    VALUE_ARRAY,
+    VALUE_EDGE,
+    VALUE_NODE;
+
+
+    static ResultSetScalarTypes[] values = values();
+
+    public static ResultSetScalarTypes getValue(int index) {
+        if (index < 0 || index > values.length) throw new JedisDataException("Unrecognized response type");
+        return values[index];
+    }
+
+}