org.glassfish.enterprise.iiop.util

Class GenericStatsImpl

java.lang.Object

org.glassfish.enterprise.iiop.util.GenericStatsImpl

All Implemented Interfaces:

org.glassfish.external.statistics.Stats

public class GenericStatsImpl
extends Object
implements org.glassfish.external.statistics.Stats

Provides for generic implementation of any Stats interface. This class facilitates composition over inheritance for all the classes that implement their specific Stats interfaces. None of them has to implement the methods defined by the Stats interface. This class implements the same interface and does that job. All that implementing classes have to do is implement the specific accessing methods in their Stats interfaces and delegate the rest to this class. This class invokes all these methods in implementing class through introspection.

Since:

S1AS8.0

Version:

$Version$

Author:

Kedar Mhaswade

Constructor Summary

Constructors

Constructor and Description
GenericStatsImpl(Class statsInterface, Object statsProvider) Constructs a new instance of this class for a given interface and its implementation.
GenericStatsImpl(String statsInterfaceName, ClassLoader loader, Object statsProvider)
GenericStatsImpl(String statsInterfaceName, Object statsProvider)

Method Summary

Modifier and Type	Method and Description
org.glassfish.external.statistics.Statistic	getStatistic(String statisticName)
String[]	getStatisticNames()
org.glassfish.external.statistics.Statistic[]	getStatistics()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GenericStatsImpl

public GenericStatsImpl(String statsInterfaceName,
                        Object statsProvider)
                 throws ClassNotFoundException

Throws:

ClassNotFoundException

GenericStatsImpl

public GenericStatsImpl(String statsInterfaceName,
                        ClassLoader loader,
                        Object statsProvider)
                 throws ClassNotFoundException

Throws:

ClassNotFoundException

GenericStatsImpl

public GenericStatsImpl(Class statsInterface,
                        Object statsProvider)

Constructs a new instance of this class for a given interface and its implementation. It is mandatory that following contract is satisfied to call this satisfactorily:

• None of the parameters are null.
• Given statsProvider implements the given statsInterface.
• Given statsInterface has to extend the @{link Stats} interface.

Note that it is expected (though not mandatory) to have a getXXX method that does not return an instance of Statistic interface.

Throws:

NullPointerException - if any of the given parameters are null

IllegalArgumentException - if the contract is not satisfied by given parameters

Method Detail

getStatistic

public org.glassfish.external.statistics.Statistic getStatistic(String statisticName)

Specified by:

getStatistic in interface org.glassfish.external.statistics.Stats

getStatisticNames

public String[] getStatisticNames()

Specified by:

getStatisticNames in interface org.glassfish.external.statistics.Stats

getStatistics

public org.glassfish.external.statistics.Statistic[] getStatistics()

Specified by:

getStatistics in interface org.glassfish.external.statistics.Stats