[CCSDK-28] populated the seed code for dgbuilder

[ccsdk/distribution.git] / dgbuilder / core_nodes / analysis / 72-sentiment.js

diff --git a/dgbuilder/core_nodes/analysis/72-sentiment.js b/dgbuilder/core_nodes/analysis/72-sentiment.js
new file mode 100644 (file)
index 0000000..747e079
--- /dev/null
+++ b/dgbuilder/core_nodes/analysis/72-sentiment.js
@@ -0,0 +1,33 @@
+/**
+ * Copyright 2013 IBM Corp.
+ *
+ * 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.
+ **/
+
+module.exports = function(RED) {
+    "use strict";
+    var sentiment = require('sentiment');
+
+    function SentimentNode(n) {
+        RED.nodes.createNode(this,n);
+        var node = this;
+
+        this.on("input", function(msg) {
+            sentiment(msg.payload, msg.overrides || null, function (err, result) {
+                msg.sentiment = result;
+                node.send(msg);
+            });
+        });
+    }
+    RED.nodes.registerType("sentiment",SentimentNode);
+}