From 177c1874b9b917046287005b8300f71694466a4f Mon Sep 17 00:00:00 2001
From: Victor Woeltjen <victor.woeltjen@nasa.gov>
Date: Fri, 6 Nov 2015 13:03:54 -0800
Subject: [PATCH] [Persistence] Add identifierService

---
 platform/core/src/identifiers/Identifier.js   | 63 +++++++++++++++++++
 .../core/src/identifiers/IdentifierService.js | 50 +++++++++++++++
 2 files changed, 113 insertions(+)
 create mode 100644 platform/core/src/identifiers/Identifier.js
 create mode 100644 platform/core/src/identifiers/IdentifierService.js

diff --git a/platform/core/src/identifiers/Identifier.js b/platform/core/src/identifiers/Identifier.js
new file mode 100644
index 0000000000..60e3bcb051
--- /dev/null
+++ b/platform/core/src/identifiers/Identifier.js
@@ -0,0 +1,63 @@
+/*****************************************************************************
+ * Open MCT Web, Copyright (c) 2014-2015, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT Web is 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.
+ *
+ * Open MCT Web includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+/*global define*/
+
+define(
+    [],
+    function () {
+        'use strict';
+
+        var SEPARATOR = ":";
+
+        /**
+         * Provides an interface for interpreting domain object
+         * identifiers.
+         */
+        function Identifier(id, defaultSpace) {
+            var separatorIndex = id.indexOf(SEPARATOR);
+
+            if (separatorIndex > -1) {
+                this.key = id.substring(separatorIndex + 1);
+                this.space = id.substring(0, separatorIndex);
+                this.spaceDefined = true;
+            } else {
+                this.key = id;
+                this.space = defaultSpace;
+                this.spaceDefined = false;
+            }
+        }
+
+        Identifier.prototype.getKey = function () {
+            return this.key;
+        };
+
+        Identifier.prototype.getSpace = function () {
+            return this.space;
+        };
+
+        Identifier.prototype.hasDefinedSpace = function () {
+            return this.spaceDefined;
+        };
+
+        return Identifier;
+    }
+);
diff --git a/platform/core/src/identifiers/IdentifierService.js b/platform/core/src/identifiers/IdentifierService.js
new file mode 100644
index 0000000000..c128d4e697
--- /dev/null
+++ b/platform/core/src/identifiers/IdentifierService.js
@@ -0,0 +1,50 @@
+/*****************************************************************************
+ * Open MCT Web, Copyright (c) 2014-2015, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT Web is 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.
+ *
+ * Open MCT Web includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+/*global define*/
+
+define(
+    ["uuid", "./Identifier"],
+    function (uuid, Identifier) {
+        'use strict';
+
+        /**
+         * Parses and generates domain object identifiers.
+         */
+        function IdentifierService(defaultSpace) {
+            this.defaultSpace = defaultSpace;
+        }
+
+        IdentifierService.prototype.generate = function (space) {
+            var id = uuid();
+            if (arguments.length > 0) {
+                id = space + ":" + id;
+            }
+            return id;
+        };
+
+        IdentifierService.prototype.parse = function (id) {
+            return new Identifier(id, this.defaultSpace);
+        };
+
+        return IdentifierService;
+    }
+);