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1
4 package com.tc.management.opentypes.adapters;
5
6 import java.util.ArrayList  ;
7 import java.util.Iterator ;
8 import java.util.List ;
9
10 import javax.management.openmbean.CompositeData ;
11 import javax.management.openmbean.CompositeDataSupport ;
12 import javax.management.openmbean.CompositeType ;
13 import javax.management.openmbean.OpenDataException ;
14 import javax.management.openmbean.OpenType ;
15 import javax.management.openmbean.SimpleType ;
16 import javax.management.openmbean.TabularData ;
17 import javax.management.openmbean.TabularDataSupport ;
18 import javax.management.openmbean.TabularType ;
19
20 public class ClassCreationCount implements Comparable {
21
22 private static final String COMPOSITE_TYPE_NAME = "ObjectCreationCountPerClass";
23 private static final String COMPOSITE_TYPE_DESCRIPTION = "Number of objects created per class";
24 private static final String [] ITEM_NAMES = new String [] { "className", "objectCreationCount" };
25 private static final String [] ITEM_DESCRIPTIONS = new String [] { "className", "objectCreationCount" };
26 private static final OpenType [] ITEM_TYPES = new OpenType [] { SimpleType.STRING,
27 SimpleType.INTEGER };
28 private static final CompositeType COMPOSITE_TYPE;
29 private static final String TABULAR_TYPE_NAME = "ObjectCreationCountByClass";
30 private static final String TABULAR_TYPE_DESCRIPTION = "Object creation count by class";
31 private static final String [] INDEX_NAMES = new String [] { "className" };
32 private static final TabularType TABULAR_TYPE;
33
34 static {
35 try {
36 COMPOSITE_TYPE = new CompositeType (COMPOSITE_TYPE_NAME, COMPOSITE_TYPE_DESCRIPTION, ITEM_NAMES,
37 ITEM_DESCRIPTIONS, ITEM_TYPES);
38 TABULAR_TYPE = new TabularType (TABULAR_TYPE_NAME, TABULAR_TYPE_DESCRIPTION, COMPOSITE_TYPE, INDEX_NAMES);
39 } catch (OpenDataException e) {
40 throw new RuntimeException (e);
41 }
42 }
43
44 private final String className;
45 private final Integer count;
46
47 public ClassCreationCount(final String className, final Integer count) {
48 this.className = className;
49 this.count = count;
50 }
51
52 public String getClassName() {
53 return className;
54 }
55
56 public Integer getCount() {
57 return count;
58 }
59
60 public ClassCreationCount(final CompositeData cData) {
61 className = (String ) cData.get(ITEM_NAMES[0]);
62 count = (Integer ) cData.get(ITEM_NAMES[1]);
63 }
64
65 public CompositeData toCompositeData() {
66 try {
67 return new CompositeDataSupport (COMPOSITE_TYPE, ITEM_NAMES, new Object [] { className, count });
68 } catch (OpenDataException e) {
69 throw new RuntimeException (e);
70 }
71 }
72
73 public static TabularData newTabularDataInstance() {
74 return new TabularDataSupport (TABULAR_TYPE);
75 }
76
77 public static ClassCreationCount[] fromTabularData(final TabularData tabularData) {
78 final List countList = new ArrayList (tabularData.size());
79 for (final Iterator pos = tabularData.values().iterator(); pos.hasNext();) {
80 countList.add(new ClassCreationCount((CompositeData ) pos.next()));
81 }
82 final ClassCreationCount[] counts = new ClassCreationCount[countList.size()];
83 countList.toArray(counts);
84 return counts;
85 }
86
87 public int compareTo(final Object theOtherGuy) {
88 ClassCreationCount rhs = (ClassCreationCount) theOtherGuy;
89 int result = count.compareTo(rhs.count);
90 return result != 0 ? result : className.compareTo(rhs.className);
91 }
92 }
93 |
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