org.opencms.scheduler.jobs

类 CmsImageCacheCleanupJob

java.lang.Object

org.opencms.scheduler.jobs.CmsImageCacheCleanupJob

所有已实现的接口:

I_CmsScheduledJob

public class CmsImageCacheCleanupJob
extends java.lang.Object
implements I_CmsScheduledJob

A schedulable OpenCms job that clear the image cache for the scaled images created by the CmsImageLoader.

Job parameters:

maxage={time in hours}

Specifies the maximum age (in hours) images can be unused before they are removed from the cache. Any image in the image cache folder that has a RFS date of last modification older than this time is considered expired and is therefore deleted.

从以下版本开始:

6.2.0

字段概要

字段

限定符和类型	字段和说明
static java.lang.String	PARAM_MAXAGE Unlock parameter.

构造器概要

构造器

构造器和说明
CmsImageCacheCleanupJob()

方法概要

方法

限定符和类型	方法和说明
static int	cleanImageCache(float maxAge) Removes all expired image cache entries from the RFS cache.
java.lang.String	launch(CmsObject cms, java.util.Map<java.lang.String,java.lang.String> parameters) This method will be called when this scheduled job is executed.

从类继承的方法 java.lang.Object

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

字段详细资料

PARAM_MAXAGE

public static final java.lang.String PARAM_MAXAGE

Unlock parameter.

另请参阅:

常量字段值

构造器详细资料

CmsImageCacheCleanupJob

public CmsImageCacheCleanupJob()

方法详细资料

cleanImageCache

public static int cleanImageCache(float maxAge)

Removes all expired image cache entries from the RFS cache.

Empty directories are removed as well.

参数:

maxAge - the maximum age of the image cache files in hours (or fractions of hours)

返回:

the total number of deleted resources

launch

public java.lang.String launch(CmsObject cms,
                      java.util.Map<java.lang.String,java.lang.String> parameters)
                        throws java.lang.Exception

从接口复制的说明: I_CmsScheduledJob

This method will be called when this scheduled job is executed.

Depending on the configuration of this job, a new instance of the configured class will be instantiated every time the job is launched, or a new instance will be generated only the first time the job is launched, and re-used afterwards.

The result String will be written to the OpenCms logfile in the org.opencms.scheduler.CmsScheduleManager channel, on INFO log level.

指定者:

launch 在接口中 I_CmsScheduledJob

参数:

cms - will be initialized with the configured users cms context

parameters - the configured parameters

返回:

a String that will be written to the OpenCms logfile

抛出:

java.lang.Exception - if something goes wrong

另请参阅:

I_CmsScheduledJob.launch(CmsObject, Map)