10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package com.sun.corba.se.spi.monitoring;
26
27 import java.util.*;
28
29 /**
30 * <p>
31 *
32 * @author Hemanth Puttaswamy
33 * </p>
34 * <p>
35 * StatisticsMonitoredAttribute is provided as a convenience to collect the
36 * Statistics of any entity. The getValue() call will be delegated to the
37 * StatisticsAccumulator set by the user.
38 * </p>
39 */
40 public class StatisticMonitoredAttribute extends MonitoredAttributeBase {
41
42
43 // Every StatisticMonitoredAttribute will have a StatisticAccumulator. User
44 // will use Statisticsaccumulator to accumulate the samples associated with
45 // this Monitored Attribute
46 private StatisticsAccumulator statisticsAccumulator;
47
48 // Mutex is passed from the user class which is providing the sample values.
49 // getValue() and clearState() is synchronized on this user provided mutex
50 private Object mutex;
51
52
53 ///////////////////////////////////////
54 // operations
55
56
57 /**
58 * <p>
59 * Constructs the StaisticMonitoredAttribute, builds the required
60 * MonitoredAttributeInfo with Long as the class type and is always
61 * readonly attribute.
62 * </p>
63 * <p>
64 *
65 * @param name Of this attribute
66 * </p>
67 * <p>
68 * @return a StatisticMonitoredAttribute
69 * </p>
70 * <p>
71 * @param desc should provide a good description on the kind of statistics
72 * collected, a good example is "Connection Response Time Stats will Provide the
73 * detailed stats based on the samples provided from every request completion
74 * time"
75 * </p>
76 * <p>
77 * @param s is the StatisticsAcumulator that user will use to accumulate the
78 * samples and this Attribute Object will get the computed statistics values
79 * from.
80 * </p>
81 * <p>
82 * @param mutex using which clearState() and getValue() calls need to be locked.
83 * </p>
84 */
85 public StatisticMonitoredAttribute(String name, String desc,
86 StatisticsAccumulator s, Object mutex)
87 {
88 super( name );
89 MonitoredAttributeInfoFactory f =
90 MonitoringFactories.getMonitoredAttributeInfoFactory();
91 MonitoredAttributeInfo maInfo = f.createMonitoredAttributeInfo(
92 desc, String.class, false, true );
93
94 this.setMonitoredAttributeInfo( maInfo );
95 this.statisticsAccumulator = s;
96 this.mutex = mutex;
97 } // end StatisticMonitoredAttribute
98
99
100
101 /**
102 * Gets the value from the StatisticsAccumulator, the value will be a formatted
103 * String with the computed statistics based on the samples accumulated in the
|
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package com.sun.corba.se.spi.monitoring;
26
27 import java.util.*;
28
29 /**
30 * @author Hemanth Puttaswamy
31 *
32 * StatisticsMonitoredAttribute is provided as a convenience to collect the
33 * Statistics of any entity. The getValue() call will be delegated to the
34 * StatisticsAccumulator set by the user.
35 */
36 public class StatisticMonitoredAttribute extends MonitoredAttributeBase {
37
38
39 // Every StatisticMonitoredAttribute will have a StatisticAccumulator. User
40 // will use Statisticsaccumulator to accumulate the samples associated with
41 // this Monitored Attribute
42 private StatisticsAccumulator statisticsAccumulator;
43
44 // Mutex is passed from the user class which is providing the sample values.
45 // getValue() and clearState() is synchronized on this user provided mutex
46 private Object mutex;
47
48
49 ///////////////////////////////////////
50 // operations
51
52
53 /**
54 * Constructs the StaisticMonitoredAttribute, builds the required
55 * MonitoredAttributeInfo with Long as the class type and is always
56 * readonly attribute.
57 *
58 * @param name Of this attribute
59 * @param desc should provide a good description on the kind of statistics
60 * collected, a good example is "Connection Response Time Stats will Provide the
61 * detailed stats based on the samples provided from every request completion
62 * time"
63 * @param s is the StatisticsAcumulator that user will use to accumulate the
64 * samples and this Attribute Object will get the computed statistics values
65 * from.
66 * @param mutex using which clearState() and getValue() calls need to be locked.
67 */
68 public StatisticMonitoredAttribute(String name, String desc,
69 StatisticsAccumulator s, Object mutex)
70 {
71 super( name );
72 MonitoredAttributeInfoFactory f =
73 MonitoringFactories.getMonitoredAttributeInfoFactory();
74 MonitoredAttributeInfo maInfo = f.createMonitoredAttributeInfo(
75 desc, String.class, false, true );
76
77 this.setMonitoredAttributeInfo( maInfo );
78 this.statisticsAccumulator = s;
79 this.mutex = mutex;
80 } // end StatisticMonitoredAttribute
81
82
83
84 /**
85 * Gets the value from the StatisticsAccumulator, the value will be a formatted
86 * String with the computed statistics based on the samples accumulated in the
|