initial commit

libjs/wModel/attributes.js

@@ -0,0 +1,44 @@
+"use strict";
+
+var ModelVocabulary = require("./vocabulary");
+var Vocabulary = require("../wType/vocabulary");
+var String = require("../wType/string");
+var Uint64 = require("../wType/uint64");
+
+var Attributes = ModelVocabulary.inherit({
+    "className": "Attributes",
+    "constructor": function(addr) {
+        ModelVocabulary.fn.constructor.call(this, addr);
+        
+        this._attributes = global.Object.create(null);
+    },
+    "addAttribute": function(key, model) {
+        var old = this._attributes[key];
+        if (old) {
+            throw new Error("Attribute with key " + key + " already exists");
+        }
+        this._attributes[key] = model;
+        this.addModel(model);
+        
+        var vc = new Vocabulary();
+        vc.insert("name", new String(key));
+        vc.insert("address", model.getAddress());
+        vc.insert("type", new Uint64(model.getType()));
+        this.insert(key, vc);
+    },
+    "removeAttribute": function(key) {
+        var model = this._attributes[key];
+        if (!model) {
+            throw new Error("An attempt to access non existing Attribute");
+        }
+        delete this._attributes[key];
+        this.erase(key);
+        this.removeModel(model);
+        model.destructor();
+    },
+    "setAttribute": function(key, value) {
+        this._attributes[key].set(value);
+    }
+});
+
+module.exports = Attributes;