aboutsummaryrefslogtreecommitdiffstats
path: root/infrastructure/framework-src/modules/varz.js
blob: 0e55d204aa4bbb67a51fbadba799158e8df60ed2 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
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;
}