com.cosylab.logging.engine

Class LogMatcher

java.lang.Object

com.cosylab.logging.engine.LogMatcher

Direct Known Subclasses:

ACSLogRetrieval, IOHelper

public class LogMatcher
extends java.lang.Object

Objects from this class checks if a log matches with the constraints.

The purpose of this object is to have a centralized way to check each log against the given set of constraints before deciding it can be injected in the system.

In particular it checks a log against the followings:

• Log (discard) level
• filters
• Audience

Author:

acaproni

Field Summary

Fields

Modifier and Type	Field and Description
protected LogTypeHelper	actualDiscardLevel The discard level

Constructor Summary

Constructors

Constructor and Description
LogMatcher()

Method Summary

Modifier and Type	Method and Description
LogTypeHelper	getActualDiscardLevel() Return the discard level used to filter out logs.
Audience	getAudience()
FiltersVector	getFilters()
boolean	match(ILogEntry log) Check if the passed log matches with the constraints.
void	setAudience(Audience newAudience) Set the audience
void	setDiscardLevel(LogTypeHelper discardLevel)
void	setFilters(FiltersVector filters) Set the filters to apply to incoming logs before sending to the listeners

Methods inherited from class java.lang.Object

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

Field Detail

actualDiscardLevel

protected volatile LogTypeHelper actualDiscardLevel

The discard level

Constructor Detail

LogMatcher

public LogMatcher()

Method Detail

setFilters

public void setFilters(FiltersVector filters)

Set the filters to apply to incoming logs before sending to the listeners

Parameters:

filters - The filters to apply If null or empty the filtering is disabled

setAudience

public void setAudience(Audience newAudience)

Set the audience

Parameters:

newAudience - The new audience as defined in log_audience IDL module

See Also:

LCEngine.setFilters()

getAudience

public Audience getAudience()

Returns:

the audience

setDiscardLevel

public void setDiscardLevel(LogTypeHelper discardLevel)

Parameters:

discardLevel - the discardLevel to set

getFilters

public FiltersVector getFilters()

Returns:

the filters

match

public final boolean match(ILogEntry log)

Check if the passed log matches with the constraints.

The log is checked in the following order:

1. the discard level
2. the audience
3. the filters

Parameters:

log - The not null log to check

Returns:

true if the log matches the criteria

getActualDiscardLevel

public LogTypeHelper getActualDiscardLevel()

Return the discard level used to filter out logs.

Returns:

The discard level in use