org.opencms.cache

类 CmsMemoryObjectCache

java.lang.Object

org.opencms.cache.CmsMemoryObjectCache

所有已实现的接口:

I_CmsEventListener

public final class CmsMemoryObjectCache
extends java.lang.Object
implements I_CmsEventListener

A singleton memory cache, that stores objects related with keys.

This cache listens to the I_CmsEventListener.EVENT_CLEAR_CACHES event only.

从以下版本开始:

6.2.3

字段概要

从接口继承的字段 org.opencms.main.I_CmsEventListener

EVENT_BEFORE_PUBLISH_PROJECT, EVENT_CLEAR_CACHES, EVENT_CLEAR_OFFLINE_CACHES, EVENT_CLEAR_ONLINE_CACHES, EVENT_CLEAR_PRINCIPAL_CACHES, EVENT_FLEX_CACHE_CLEAR, EVENT_FLEX_PURGE_JSP_REPOSITORY, EVENT_FULLSTATIC_EXPORT, EVENT_GROUP_MODIFIED, EVENT_LOGIN_USER, EVENT_OU_MODIFIED, EVENT_PROJECT_MODIFIED, EVENT_PROPERTY_DEFINITION_CREATED, EVENT_PROPERTY_DEFINITION_MODIFIED, EVENT_PROPERTY_MODIFIED, EVENT_PUBLISH_PROJECT, EVENT_REBUILD_SEARCHINDEXES, EVENT_RESOURCE_AND_PROPERTIES_MODIFIED, EVENT_RESOURCE_COPIED, EVENT_RESOURCE_CREATED, EVENT_RESOURCE_DELETED, EVENT_RESOURCE_MODIFIED, EVENT_RESOURCE_MOVED, EVENT_RESOURCES_AND_PROPERTIES_MODIFIED, EVENT_RESOURCES_MODIFIED, EVENT_SITEMAP_CHANGED, EVENT_UPDATE_EXPORTS, EVENT_USER_MODIFIED, KEY_CHANGE, KEY_DBCONTEXT, KEY_GROUP_ID, KEY_GROUP_NAME, KEY_INDEX_NAMES, KEY_OU_ID, KEY_OU_NAME, KEY_PROJECTID, KEY_PUBLISHID, KEY_PUBLISHLIST, KEY_REPORT, KEY_RESOURCE, KEY_RESOURCES, KEY_USER_ACTION, KEY_USER_ID, KEY_USER_NAME, LISTENERS_FOR_ALL_EVENTS, VALUE_GROUP_MODIFIED_ACTION_CREATE, VALUE_GROUP_MODIFIED_ACTION_DELETE, VALUE_GROUP_MODIFIED_ACTION_WRITE, VALUE_OU_MODIFIED_ACTION_CREATE, VALUE_OU_MODIFIED_ACTION_DELETE, VALUE_USER_MODIFIED_ACTION_ADD_USER_TO_GROUP, VALUE_USER_MODIFIED_ACTION_CREATE_USER, VALUE_USER_MODIFIED_ACTION_DELETE_USER, VALUE_USER_MODIFIED_ACTION_REMOVE_USER_FROM_GROUP, VALUE_USER_MODIFIED_ACTION_RESET_PASSWORD, VALUE_USER_MODIFIED_ACTION_SET_OU, VALUE_USER_MODIFIED_ACTION_WRITE_USER

方法概要

方法

限定符和类型	方法和说明
void	cmsEvent(CmsEvent event) Acknowledge the occurrence of the specified event, implement this method to check for CmsEvents in your class.
java.lang.Object	getCachedObject(java.lang.Class<?> owner, java.lang.String key) Returns an object from the cache.
static CmsMemoryObjectCache	getInstance() Returns the singleton memory Object cache instance.
void	putCachedObject(java.lang.Class<?> owner, java.lang.String key, java.lang.Object value) Puts an object into the cache.
protected void	registerEventListener() Registers all required event listeners.

从类继承的方法 java.lang.Object

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

方法详细资料

getInstance

public static CmsMemoryObjectCache getInstance()

Returns the singleton memory Object cache instance.

返回:

the singleton memory Object cache instance

cmsEvent

public void cmsEvent(CmsEvent event)

从接口复制的说明: I_CmsEventListener

Acknowledge the occurrence of the specified event, implement this method to check for CmsEvents in your class.

指定者:

cmsEvent 在接口中 I_CmsEventListener

参数:

event - CmsEvent that has occurred

另请参阅:

I_CmsEventListener.cmsEvent(org.opencms.main.CmsEvent)

getCachedObject

public java.lang.Object getCachedObject(java.lang.Class<?> owner,
                               java.lang.String key)

Returns an object from the cache.

参数:

owner - the owner class of the cached object (used to ensure keys don't overlap)

key - the key to lookup the object for

返回:

an object from the cache, or null if no object matches the given key

putCachedObject

public void putCachedObject(java.lang.Class<?> owner,
                   java.lang.String key,
                   java.lang.Object value)

Puts an object into the cache.

参数:

owner - the owner class of the cached object (used to ensure keys don't overlap)

key - the key to store the object at

value - the object to store

registerEventListener

protected void registerEventListener()

Registers all required event listeners.