|
@@ -0,0 +1,112 @@
|
|
1
|
+package com.xxl.job.admin.core.util;
|
|
2
|
+
|
|
3
|
+import org.apache.commons.lang3.StringUtils;
|
|
4
|
+
|
|
5
|
+import java.util.concurrent.ConcurrentHashMap;
|
|
6
|
+
|
|
7
|
+/**
|
|
8
|
+ * local cache tool
|
|
9
|
+ *
|
|
10
|
+ * @author xuxueli 2018-01-22 21:37:34
|
|
11
|
+ */
|
|
12
|
+public class LocalCacheUtil {
|
|
13
|
+
|
|
14
|
+ private static ConcurrentHashMap<String, LocalCacheData> cacheRepository = new ConcurrentHashMap<>();
|
|
15
|
+ private static class LocalCacheData{
|
|
16
|
+ private String key;
|
|
17
|
+ private Object val;
|
|
18
|
+ private long timeoutTime;
|
|
19
|
+
|
|
20
|
+ public LocalCacheData() {
|
|
21
|
+ }
|
|
22
|
+
|
|
23
|
+ public LocalCacheData(String key, Object val, long timeoutTime) {
|
|
24
|
+ this.key = key;
|
|
25
|
+ this.val = val;
|
|
26
|
+ this.timeoutTime = timeoutTime;
|
|
27
|
+ }
|
|
28
|
+
|
|
29
|
+ public String getKey() {
|
|
30
|
+ return key;
|
|
31
|
+ }
|
|
32
|
+
|
|
33
|
+ public void setKey(String key) {
|
|
34
|
+ this.key = key;
|
|
35
|
+ }
|
|
36
|
+
|
|
37
|
+ public Object getVal() {
|
|
38
|
+ return val;
|
|
39
|
+ }
|
|
40
|
+
|
|
41
|
+ public void setVal(Object val) {
|
|
42
|
+ this.val = val;
|
|
43
|
+ }
|
|
44
|
+
|
|
45
|
+ public long getTimeoutTime() {
|
|
46
|
+ return timeoutTime;
|
|
47
|
+ }
|
|
48
|
+
|
|
49
|
+ public void setTimeoutTime(long timeoutTime) {
|
|
50
|
+ this.timeoutTime = timeoutTime;
|
|
51
|
+ }
|
|
52
|
+ }
|
|
53
|
+
|
|
54
|
+
|
|
55
|
+ /**
|
|
56
|
+ * set cache
|
|
57
|
+ *
|
|
58
|
+ * @param key
|
|
59
|
+ * @param val
|
|
60
|
+ * @param cacheTime
|
|
61
|
+ * @return
|
|
62
|
+ */
|
|
63
|
+ public static boolean set(String key, Object val, long cacheTime){
|
|
64
|
+ if (StringUtils.isBlank(key)) {
|
|
65
|
+ return false;
|
|
66
|
+ }
|
|
67
|
+ if (val == null) {
|
|
68
|
+ remove(key);
|
|
69
|
+ }
|
|
70
|
+ if (cacheTime <= 0) {
|
|
71
|
+ remove(key);
|
|
72
|
+ }
|
|
73
|
+ long timeoutTime = System.currentTimeMillis() + cacheTime;
|
|
74
|
+ LocalCacheData localCacheData = new LocalCacheData(key, val, timeoutTime);
|
|
75
|
+ cacheRepository.put(localCacheData.getKey(), localCacheData);
|
|
76
|
+ return true;
|
|
77
|
+ }
|
|
78
|
+
|
|
79
|
+ /**
|
|
80
|
+ * remove cache
|
|
81
|
+ *
|
|
82
|
+ * @param key
|
|
83
|
+ * @return
|
|
84
|
+ */
|
|
85
|
+ public static boolean remove(String key){
|
|
86
|
+ if (StringUtils.isBlank(key)) {
|
|
87
|
+ return false;
|
|
88
|
+ }
|
|
89
|
+ cacheRepository.remove(key);
|
|
90
|
+ return true;
|
|
91
|
+ }
|
|
92
|
+
|
|
93
|
+ /**
|
|
94
|
+ * get cache
|
|
95
|
+ *
|
|
96
|
+ * @param key
|
|
97
|
+ * @return
|
|
98
|
+ */
|
|
99
|
+ public static Object get(String key){
|
|
100
|
+ if (StringUtils.isBlank(key)) {
|
|
101
|
+ return null;
|
|
102
|
+ }
|
|
103
|
+ LocalCacheData localCacheData = cacheRepository.get(key);
|
|
104
|
+ if (localCacheData!=null && System.currentTimeMillis()<localCacheData.getTimeoutTime()) {
|
|
105
|
+ return localCacheData.getVal();
|
|
106
|
+ } else {
|
|
107
|
+ remove(key);
|
|
108
|
+ return null;
|
|
109
|
+ }
|
|
110
|
+ }
|
|
111
|
+
|
|
112
|
+}
|