atg.commerce.expression

Class RuleEvaluator

java.lang.Object

atg.nucleus.logging.VariableArgumentApplicationLoggingImpl

atg.nucleus.GenericService

atg.commerce.expression.RuleEvaluator

All Implemented Interfaces:

atg.core.logging.Logging, atg.core.logging.TraceLogging, atg.naming.AbsoluteNameable, NameContextBindingListener, NameContextElement, atg.naming.NameContextParentable, NameResolver, AdminableService, atg.nucleus.Configured, ApplicationLogging, atg.nucleus.logging.ApplicationLoggingSender, atg.nucleus.logging.TraceApplicationLogging, VariableArgumentApplicationLogging, ComponentNameResolver, Service, ServiceListener, java.util.EventListener

public class RuleEvaluator
extends GenericService

This class evaluates a Rule object by walking the tree and returns a value of either true or false. A Rule is generated using the atg.commerce.expression.ExpressionParser class.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	CLASS_VERSION Class version string
protected static java.util.ResourceBundle	sResourceBundle Resource Bundle

Fields inherited from class atg.nucleus.GenericService

SERVICE_INFO_KEY

Fields inherited from interface atg.nucleus.logging.TraceApplicationLogging

DEFAULT_LOG_TRACE_STATUS

Fields inherited from interface atg.nucleus.logging.ApplicationLogging

DEFAULT_LOG_DEBUG_STATUS, DEFAULT_LOG_ERROR_STATUS, DEFAULT_LOG_INFO_STATUS, DEFAULT_LOG_WARNING_STATUS

Constructor Summary

Constructors

Constructor and Description
RuleEvaluator()

Method Summary

Modifier and Type	Method and Description
boolean	evaluateRule(Rule pRule, java.util.Map pMap) This method evaluates a Rule object an returns either true or false.
java.lang.String	getLoggingIdentifier() Returns property LoggingIdentifier
void	setLoggingIdentifier(java.lang.String pLoggingIdentifier) Sets property LoggingIdentifier

Methods inherited from class atg.nucleus.GenericService

addLogListener, createAdminServlet, doStartService, doStopService, getAbsoluteName, getAdminServlet, getAdminServletOutputStreamEncoding, getLoggingForVlogging, getLogListenerCount, getLogListeners, getName, getNameContext, getNucleus, getRoot, getServiceConfiguration, getServiceInfo, isAdminServletUseServletOutputStream, isLoggingDebug, isLoggingError, isLoggingInfo, isLoggingTrace, isLoggingWarning, isRunning, logDebug, logDebug, logDebug, logError, logError, logError, logInfo, logInfo, logInfo, logTrace, logTrace, logTrace, logWarning, logWarning, logWarning, nameContextElementBound, nameContextElementUnbound, removeLogListener, reResolveThis, resolveName, resolveName, resolveName, resolveName, sendLogEvent, setAdminServletOutputStreamEncoding, setAdminServletUseServletOutputStream, setLoggingDebug, setLoggingError, setLoggingInfo, setLoggingTrace, setLoggingWarning, setNucleus, setServiceInfo, startService, stopService, toString

Methods inherited from class atg.nucleus.logging.VariableArgumentApplicationLoggingImpl

vlogDebug, vlogDebug, vlogDebug, vlogDebug, vlogDebugTrace, vlogError, vlogError, vlogError, vlogError, vlogInfo, vlogInfo, vlogInfo, vlogInfo, vlogTrace, vlogTrace, vlogTrace, vlogTrace, vlogWarning, vlogWarning, vlogWarning, vlogWarning

Methods inherited from class java.lang.Object

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

Field Detail

CLASS_VERSION

public static java.lang.String CLASS_VERSION

Class version string

sResourceBundle

protected static java.util.ResourceBundle sResourceBundle

Resource Bundle

Constructor Detail

RuleEvaluator

public RuleEvaluator()

Method Detail

setLoggingIdentifier

public void setLoggingIdentifier(java.lang.String pLoggingIdentifier)

Sets property LoggingIdentifier

getLoggingIdentifier

public java.lang.String getLoggingIdentifier()

Returns property LoggingIdentifier

evaluateRule

public boolean evaluateRule(Rule pRule,
                            java.util.Map pMap)
                     throws EvaluationException

This method evaluates a Rule object an returns either true or false.

Parameters:

pRule - the rule to evaluate

pMap - a map of objects which are used in the expression. The first token of an expression should be the key in pMap.

Throws:

EvaluationException - thrown if an evaluation error occurs