Package org.apache.log4j.rule

Class AndRule

java.lang.Object

org.apache.log4j.rule.AbstractRule

org.apache.log4j.rule.AndRule

All Implemented Interfaces:

java.io.Serializable, Rule

public class AndRule
extends AbstractRule

A Rule class implementing a logical 'and'.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private Rule	firstRule	First rule.
private Rule	secondRule	Second rule.
(package private) static long	serialVersionUID	Serialization id.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	AndRule(Rule first, Rule second)	Create new instance.

Method Summary

Modifier and Type	Method	Description
boolean	evaluate(org.apache.log4j.spi.LoggingEvent event, java.util.Map matches)	Returns true if this implementation of the rule accepts the LoggingEvent, or false if not.
static Rule	getRule(java.util.Stack stack)	Create rule from top two elements of stack.
static Rule	getRule(Rule firstParam, Rule secondParam)	Get rule.

Methods inherited from class org.apache.log4j.rule.AbstractRule

addPropertyChangeListener, firePropertyChange, firePropertyChange, removePropertyChangeListener

Methods inherited from class java.lang.Object

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

Field Detail

firstRule

private final Rule firstRule

First rule.

secondRule

private final Rule secondRule

Second rule.

serialVersionUID

static final long serialVersionUID

Serialization id.

See Also:

Constant Field Values

Constructor Detail

AndRule

private AndRule(Rule first,
                Rule second)

Create new instance.

Parameters:

first - first rule.

second - second rule.

Method Detail

getRule

public static Rule getRule(java.util.Stack stack)

Create rule from top two elements of stack.

Parameters:

stack - stack of rules.

Returns:

Rule that evaluates true only if both rules are true.

getRule

public static Rule getRule(Rule firstParam,
                           Rule secondParam)

Get rule.

Parameters:

firstParam - first rule.

secondParam - second rule.

Returns:

Rule that evaluates true only if both rules are true.

evaluate

public boolean evaluate(org.apache.log4j.spi.LoggingEvent event,
                        java.util.Map matches)

Returns true if this implementation of the rule accepts the LoggingEvent, or false if not.

What True/False means can be client-specific.

Parameters:

event - LoggingEvent this instance will evaluate

matches - a Map of event field keys to Sets of matching strings (may be null) which will be updated during execution of this method to include field and string matches based on the rule evaluation results

Returns:

true if this Rule instance accepts the event, otherwise false.