add GetInt helper function to dynamic config

types.go

@@ -98,6 +98,19 @@ func (d *configBase) GetNumber(key string, fallback float64) float64 {
 	return fallback
 }
 
+// Gets the int64 value at the given key in the DynamicConfig
+// Returns the fallback int64 if the item at the given key is not found or not of type int64
+func (d *configBase) GetInt(key string, fallback int64) int64 {
+	if v, ok := d.Value[key]; ok {
+		switch val := v.(type) {
+		case int64:
+			logExposure(d, key)
+			return val
+		}
+	}
+	return fallback
+}
+
 // Gets the boolean value at the given key in the DynamicConfig
 // Returns the fallback boolean if the item at the given key is not found or not of type boolean
 func (d *configBase) GetBool(key string, fallback bool) bool {

types_test.go

@@ -43,6 +43,16 @@ func doValidation(t *testing.T, c *configBase) {
 	if c.GetBool("Object", false) {
 		t.Errorf("Failed to use fallback boolean")
 	}
+
+	if c.GetInt("String", 1) != 1 {
+		t.Errorf("Failed to use fallback int")
+	}
+	if c.GetInt("Number", 1) != 1 {
+		t.Errorf("Failed to use fallback int")
+	}
+	if c.GetInt("Int", 1) != 123 {
+		t.Errorf("Failed to return int")
+	}
 }
 
 func TestBasic(t *testing.T) {
@@ -57,7 +67,8 @@ func TestBasic(t *testing.T) {
 					"NestedBool": false,
 					"NestedNum": 37
 				},
-				"Array":[1,2,3]
+				"Array":[1,2,3],
+				"Int": 123
 			}`,
 		),
 		&jsonMap,