Class RegexLogSourceFilter

Uses a regular expression to filter log messages based on their source.

Inheritance
object
LogFilterBase
RegexLogSourceFilter
Implements
Inherited Members
Namespace: Akka.Event
Assembly: Akka.dll
Syntax
public sealed class RegexLogSourceFilter : LogFilterBase, INoSerializationVerificationNeeded, IDeadLetterSuppression

Constructors

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RegexLogSourceFilter(Regex)

Declaration
public RegexLogSourceFilter(Regex sourceRegex)
Parameters
Type Name Description
Regex sourceRegex

Properties

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FilterType

Which part of the log message this filter is evaluating?

Declaration
public override LogFilterType FilterType { get; }
Property Value
Type Description
LogFilterType
Overrides
Remarks

This actually has a performance implication - if we're filtering on the source, which is already fully "expanded" into its final string representation, we can try to fail fast on that without any additional allocations.

If we're filtering on the message, we have to fully expand the log message first which involves allocations. Users on really tight performance budgets should be aware of this.

Methods

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ShouldKeepMessage(LogEvent, string?)

Fast path designed to avoid allocating strings if we're filtering on the message content.

Declaration
public override LogFilterDecision ShouldKeepMessage(LogEvent content, string? expandedMessage = null)
Parameters
Type Name Description
LogEvent content

Usually the fully expanded message content.
string expandedMessage

The fully expanded message, optional.
Returns
Type Description
LogFilterDecision
Overrides

Implements

Extension Methods