org.hyperic.sigar

Class SigarProxyCache

java.lang.Object

org.hyperic.sigar.SigarProxyCache

All Implemented Interfaces:

java.lang.reflect.InvocationHandler

public class SigarProxyCache
extends java.lang.Object
implements java.lang.reflect.InvocationHandler

This class implements a caching mechanism to avoid system calls with heavy Sigar usage in a short period of time. It is intended for use in applications such as Top.

Field Summary

Fields

Modifier and Type	Field and Description
static int	EXPIRE_DEFAULT

Constructor Summary

Constructors

Constructor and Description
SigarProxyCache(Sigar sigar, int expire)

Method Summary

Modifier and Type	Method and Description
static void	clear(java.lang.Object proxy)
static Sigar	getSigar(java.lang.Object proxy)
java.lang.Object	invoke(java.lang.Object proxy, java.lang.reflect.Method method, java.lang.Object[] args) The java.lang.reflect.InvocationHandler used by the Proxy.
static SigarProxy	newInstance()
static SigarProxy	newInstance(Sigar sigar)
static SigarProxy	newInstance(Sigar sigar, int expire)
static void	setExpire(SigarProxy proxy, java.lang.String type, int expire) Deprecated.

Methods inherited from class java.lang.Object

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

Field Detail

EXPIRE_DEFAULT

public static final int EXPIRE_DEFAULT

See Also:

Constant Field Values

Constructor Detail

SigarProxyCache

public SigarProxyCache(Sigar sigar,
                       int expire)

Method Detail

newInstance

public static SigarProxy newInstance()

newInstance

public static SigarProxy newInstance(Sigar sigar)

newInstance

public static SigarProxy newInstance(Sigar sigar,
                                     int expire)

setExpire

public static void setExpire(SigarProxy proxy,
                             java.lang.String type,
                             int expire)
                      throws SigarException

Deprecated.

Throws:

SigarException

clear

public static void clear(java.lang.Object proxy)

getSigar

public static Sigar getSigar(java.lang.Object proxy)

invoke

public java.lang.Object invoke(java.lang.Object proxy,
                               java.lang.reflect.Method method,
                               java.lang.Object[] args)
                        throws SigarException,
                               SigarNotImplementedException

The java.lang.reflect.InvocationHandler used by the Proxy. This method handles caching of all Sigar type objects.

Specified by:

invoke in interface java.lang.reflect.InvocationHandler

Throws:

SigarException

SigarNotImplementedException