initial code push

--HG--
extra : convert_revision : svn%3Ab2ef00c0-3703-41da-baef-cfe82387ac0c/trunk%403

1 files changed, 52 insertions, 0 deletions

diff --git a/trunk/trunk/infrastructure/framework-src/modules/varz.js b/trunk/trunk/infrastructure/framework-src/modules/varz.js
new file mode 100644
index 0000000..0e55d20
--- /dev/null
+++ b/trunk/trunk/infrastructure/framework-src/modules/varz.js
@@ -0,0 +1,52 @@
+/**
+ * Copyright 2009 Google Inc.
+ * 
+ * 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.
+ */
+
+jimport("java.util.concurrent.atomic.AtomicInteger");
+
+import("sync");
+
+function varz() {
+  sync.callsyncIfTrue(appjet.cache,
+    function() { return ! appjet.cache.varz; },
+    function() { appjet.cache.varz = {}; });
+  return appjet.cache.varz;
+}
+
+function _getInteger(name) {
+  sync.callsyncIfTrue(varz(), 
+    function() { return ! varz()[name] },
+    function() { varz()[name] = new AtomicInteger(0) });
+  return varz()[name];
+}
+
+function incrementInt(name) {
+  _getInteger(name).getAndIncrement();
+}
+
+function addToInt(name, count) {
+  _getInteger(name).getAndAdd(count);
+}
+
+function getSnapshot() {
+  var ret = {};
+  for (var k in varz()) {
+    if (k[0] == '_') {
+      continue;
+    }
+    ret[k] = varz()[k].toString();
+  }
+  return ret;
+}