net.morimekta.providence.logging.rolling

Class KeepLastNCleanupPolicy

java.lang.Object

net.morimekta.providence.logging.rolling.KeepLastNCleanupPolicy

All Implemented Interfaces:

RollingFileMessageWriter.CleanupPolicy

public class KeepLastNCleanupPolicy
extends Object
implements RollingFileMessageWriter.CleanupPolicy

Cleanup policy that keeps the N previous files. This means there should be no more than N + 1 files or the writer at any time.

Constructor Summary

Constructors

Constructor and Description
KeepLastNCleanupPolicy(int keepLastN, Pattern filePattern)
KeepLastNCleanupPolicy(int keepLastN, String filePattern)

Method Summary

Modifier and Type	Method and Description
List<String>	getFilesToDelete(List<String> candidateFiles, String currentFileName) Get a list of files that needs to be deleted because of the cleanup policy.

Methods inherited from class java.lang.Object

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

Constructor Detail

KeepLastNCleanupPolicy

public KeepLastNCleanupPolicy(int keepLastN,
                              String filePattern)

KeepLastNCleanupPolicy

public KeepLastNCleanupPolicy(int keepLastN,
                              Pattern filePattern)

Method Detail

getFilesToDelete

@Nonnull
public List<String> getFilesToDelete(@Nonnull
                                              List<String> candidateFiles,
                                              @Nonnull
                                              String currentFileName)

Description copied from interface: RollingFileMessageWriter.CleanupPolicy

Get a list of files that needs to be deleted because of the cleanup policy.

Specified by:

getFilesToDelete in interface RollingFileMessageWriter.CleanupPolicy

Parameters:

candidateFiles - List of the files that can be cleaned up. This does NOT include the currently written files (current file and symlink).

currentFileName - The current file name.

Returns:

List of files that needs to be deleted.