merging javascript branch

1 files changed, 114 insertions, 0 deletions

diff --git a/js/src/Ice/LocatorTable.js b/js/src/Ice/LocatorTable.js
new file mode 100644
index 00000000000..e80465b5be9
--- /dev/null
+++ b/js/src/Ice/LocatorTable.js
@@ -0,0 +1,114 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2014 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+(function(global){
+    require("Ice/Class");
+    require("Ice/HashMap");
+    require("Ice/Debug");
+    
+    var Ice = global.Ice || {};
+    
+    var HashMap = Ice.HashMap;
+    var Debug = Ice.Debug;
+
+    var LocatorTable = Ice.Class({
+        __init__: function()
+        {
+            this._adapterEndpointsTable = new HashMap(); // Map<String, EndpointTableEntry>
+            this._objectTable = new HashMap(); // Map<Ice.Identity, ReferenceTableEntry>
+            this._objectTable.keyComparator = HashMap.compareEquals;
+        },
+        clear: function()
+        {
+            this._adapterEndpointsTable.clear();
+            this._objectTable.clear();
+        },
+        getAdapterEndpoints: function(adapter, ttl, cached)
+        {
+            if(ttl === 0) // Locator cache disabled.
+            {
+                cached.value = false;
+                return null;
+            }
+
+            var entry = this._adapterEndpointsTable.get(adapter);
+            if(entry !== undefined)
+            {
+                cached.value = this.checkTTL(entry.time, ttl);
+                return entry.endpoints;
+            }
+            cached.value = false;
+            return null;
+        },
+        addAdapterEndpoints: function(adapter, endpoints)
+        {
+            this._adapterEndpointsTable.set(adapter, new EndpointTableEntry(Date.now(), endpoints));
+        },
+        removeAdapterEndpoints: function(adapter)
+        {
+            var entry = this._adapterEndpointsTable.get(adapter);
+            this._adapterEndpointsTable.delete(adapter);
+            return entry !== undefined ? entry.endpoints : null;
+        },
+        getObjectReference: function(id, ttl, cached)
+        {
+            if(ttl === 0) // Locator cache disabled.
+            {
+                cached.value = false;
+                return null;
+            }
+
+            var entry = this._objectTable.get(id);
+            if(entry !== undefined)
+            {
+                cached.value = this.checkTTL(entry.time, ttl);
+                return entry.reference;
+            }
+            cached.value = false;
+            return null;
+        },
+        addObjectReference: function(id, ref)
+        {
+            this._objectTable.set(id, new ReferenceTableEntry(Date.now(), ref));
+        },
+        removeObjectReference: function(id)
+        {
+            var entry = this._objectTable.get(id);
+            this._objectTable.delete(id);
+            return entry !== undefined ? entry.reference : null;
+        },
+        checkTTL: function(time, ttl)
+        {
+            Debug.assert(ttl !== 0);
+            if(ttl < 0) // TTL = infinite
+            {
+                return true;
+            }
+            else
+            {
+                return Date.now() - time <= (ttl * 1000);
+            }
+        }
+    });
+    
+    Ice.LocatorTable = LocatorTable;
+    global.Ice = Ice;
+    
+    var EndpointTableEntry = function(time, endpoints)
+    {
+        this.time = time;
+        this.endpoints = endpoints;
+    };
+
+    var ReferenceTableEntry = function(time, reference)
+    {
+        this.time = time;
+        this.reference = reference;
+    };
+}(typeof (global) === "undefined" ? window : global));