1
22
23 package com.liferay.portal.kernel.cache;
24
25 import com.liferay.portal.kernel.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27
28 import java.util.Map;
29 import java.util.concurrent.ConcurrentHashMap;
30
31
37 public class CacheRegistry {
38
39 public static void clear() {
40 for (Map.Entry<String, CacheRegistryItem> entry : _items.entrySet()) {
41 CacheRegistryItem item = entry.getValue();
42
43 if (_log.isDebugEnabled()) {
44 _log.debug("Invalidating " + item.getRegistryName());
45 }
46
47 item.invalidate();
48 }
49 }
50
51 public static void clear(String name) {
52 CacheRegistryItem item = _items.get(name);
53
54 if (item != null) {
55 if (_log.isDebugEnabled()) {
56 _log.debug("Invalidating " + name);
57 }
58
59 item.invalidate();
60 }
61 else {
62 _log.error("No cache registry found with name " + name);
63 }
64 }
65
66 public static boolean isActive() {
67 return _active;
68 }
69
70 public static void register(CacheRegistryItem item) {
71 String name = item.getRegistryName();
72
73 if (_log.isDebugEnabled()) {
74 _log.debug("Registering " + name);
75 }
76
77 if (_items.containsKey(name)) {
78 if (_log.isDebugEnabled()) {
79 _log.debug("Not registering duplicate " + name);
80 }
81 }
82 else {
83 _items.put(name, item);
84 }
85 }
86
87 public static void setActive(boolean active) {
88 _active = active;
89
90 if (!active) {
91 clear();
92 }
93 }
94
95 public static void unregister(String name) {
96 if (_log.isDebugEnabled()) {
97 _log.debug("Unregistering " + name);
98 }
99
100 _items.remove(name);
101 }
102
103 private static Log _log = LogFactoryUtil.getLog(CacheRegistry.class);
104
105 private static boolean _active = true;
106 private static Map<String, CacheRegistryItem> _items =
107 new ConcurrentHashMap<String, CacheRegistryItem>();
108
109 }