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25 
26 package sun.tools.jconsole;
27 
28 import java.lang.management.MemoryUsage;
29 
30 public class MemoryPoolStat {
31     private String      poolName;
32     private long        usageThreshold;
33     private MemoryUsage usage;
34     private long        lastGcId;
35     private long        lastGcStartTime;
36     private long        lastGcEndTime;
37     private long        collectThreshold;
38     private MemoryUsage beforeGcUsage;
39     private MemoryUsage afterGcUsage;
40 
MemoryPoolStat(String name, long usageThreshold, MemoryUsage usage, long lastGcId, long lastGcStartTime, long lastGcEndTime, long collectThreshold, MemoryUsage beforeGcUsage, MemoryUsage afterGcUsage)41     MemoryPoolStat(String name,
42                    long usageThreshold,
43                    MemoryUsage usage,
44                    long lastGcId,
45                    long lastGcStartTime,
46                    long lastGcEndTime,
47                    long collectThreshold,
48                    MemoryUsage beforeGcUsage,
49                    MemoryUsage afterGcUsage) {
50         this.poolName = name;
51         this.usageThreshold = usageThreshold;
52         this.usage = usage;
53         this.lastGcId = lastGcId;
54         this.lastGcStartTime = lastGcStartTime;
55         this.lastGcEndTime = lastGcEndTime;
56         this.collectThreshold = collectThreshold;
57         this.beforeGcUsage = beforeGcUsage;
58         this.afterGcUsage = afterGcUsage;
59     }
60 
61     /**
62      * Returns the memory pool name.
63      */
getPoolName()64     public String getPoolName() {
65         return poolName;
66     }
67 
68     /**
69      * Returns the current memory usage.
70      */
getUsage()71     public MemoryUsage getUsage() {
72         return usage;
73     }
74 
75     /**
76      * Returns the current usage threshold.
77      * -1 if not supported.
78      */
getUsageThreshold()79     public long getUsageThreshold() {
80         return usageThreshold;
81     }
82 
83     /**
84      * Returns the current collection usage threshold.
85      * -1 if not supported.
86      */
getCollectionUsageThreshold()87     public long getCollectionUsageThreshold() {
88         return collectThreshold;
89     }
90 
91     /**
92      * Returns the Id of GC.
93      */
getLastGcId()94     public long getLastGcId() {
95         return lastGcId;
96     }
97 
98 
99     /**
100      * Returns the start time of the most recent GC on
101      * the memory pool for this statistics in milliseconds.
102      *
103      * Return 0 if no GC occurs.
104      */
getLastGcStartTime()105     public long getLastGcStartTime() {
106         return lastGcStartTime;
107     }
108 
109     /**
110      * Returns the end time of the most recent GC on
111      * the memory pool for this statistics in milliseconds.
112      *
113      * Return 0 if no GC occurs.
114      */
getLastGcEndTime()115     public long getLastGcEndTime() {
116         return lastGcEndTime;
117     }
118 
119     /**
120      * Returns the memory usage before the most recent GC started.
121      * null if no GC occurs.
122      */
getBeforeGcUsage()123     public MemoryUsage getBeforeGcUsage() {
124         return beforeGcUsage;
125     }
126 
127     /**
128      * Returns the memory usage after the most recent GC finished.
129      * null if no GC occurs.
130      */
getAfterGcUsage()131     public MemoryUsage getAfterGcUsage() {
132         return afterGcUsage;
133     }
134 }
135