com.caucho.health.predicate

Class IfExpr

java.lang.Object

com.caucho.health.predicate.AbstractHealthPredicate

com.caucho.health.predicate.AbstractScheduledHealthPredicate

com.caucho.health.predicate.IfExpr

All Implemented Interfaces:

HealthPredicate

@Configurable
public class IfExpr
extends AbstractScheduledHealthPredicate

Qualifies an action to execute based on the evaluation of an JSP EL expression. Expression can include references to system properties, config properties, and JMX mbean attributes.

 <health:DumpHeap>
   <health:IfExpr test="${resin.professional}"/>
 </health:DumpHeap>
 
 <health:DumpHeap>
   <health:IfExpr test="${mbean('java.lang:type=OperatingSystem').AvailableProcessors  >= 1}"/>
 </health:DumpHeap>
 
 <health:DumpHeap>
   <health:IfExpr test="${user.timezone eq 'PST'}"/>
 </health:DumpHeap>
 

Constructor Summary

Constructors

Constructor and Description
IfExpr()

Method Summary

Modifier and Type	Method and Description
Expr	getTest()
void	init()
boolean	isMatch(HealthEvent healthEvent) The abstract match returns true, so a child can combine its own matches with the parent.
void	setTest(Expr test) Sets the JSP-EL expression value

Methods inherited from class com.caucho.health.predicate.AbstractHealthPredicate

toString

Methods inherited from class java.lang.Object

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

Constructor Detail

IfExpr

public IfExpr()

Method Detail

init

@PostConstruct
public void init()

getTest

public Expr getTest()

setTest

@Configurable
public void setTest(Expr test)

Sets the JSP-EL expression value

isMatch

public boolean isMatch(HealthEvent healthEvent)

Description copied from class: AbstractHealthPredicate

The abstract match returns true, so a child can combine its own matches with the parent. See AbstractScheduledCheckPredicate for a case where the parent isMatch doesn't return true.

Specified by:

isMatch in interface HealthPredicate

Overrides:

isMatch in class AbstractScheduledHealthPredicate