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java.lang.Object | +--org.w3c.tools.resources.AttributeHolder | +--org.w3c.tools.resources.Resource | +--org.w3c.tools.resources.FramedResource | +--org.w3c.tools.resources.ResourceFrame | +--org.w3c.tools.resources.ResourceFilter | +--org.w3c.jigsaw.filters.AccessLimitFilter
This filters limit the simultaneous accesses to its target resource.
Field Summary | |
protected static int |
ATTR_LIMIT
Attribute index - The maximum allowed simultaneous accesses. |
protected static int |
ATTR_TIMEOUT
Attribute index - The time to wait for the lock (if limit reached) |
protected int |
count
Current number of requets that have reached the target. |
Fields inherited from class org.w3c.tools.resources.ResourceFrame |
filterClass, frameListener, resource |
Fields inherited from class org.w3c.tools.resources.FramedResource |
ATTR_OID, attrListener, debugEvent, event_disabled, framesRef, structListener |
Fields inherited from class org.w3c.tools.resources.Resource |
ATTR_CONTEXT, ATTR_HELP_URL, ATTR_IDENTIFIER, ATTR_LAST_MODIFIED, ATTR_PARENT, ATTR_RESOURCE_FRAMES, ATTR_STORE_ENTRY, ATTR_URL, co, id |
Fields inherited from class org.w3c.tools.resources.AttributeHolder |
attributes, values |
Constructor Summary | |
AccessLimitFilter()
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Method Summary | |
int |
getLimit()
Get the maximum number of allowed simultaneous accesses. |
int |
getTimeout()
Get the timeout before we send back an error. |
ReplyInterface |
ingoingFilter(RequestInterface req)
Count number of hits to the page, block when limit exceeded. |
ReplyInterface |
outgoingFilter(RequestInterface req,
ReplyInterface rep)
Notify that someone has exit the target entity. |
Methods inherited from class org.w3c.tools.resources.ResourceFilter |
exceptionFilter, getTargetResource, ingoingFilter, initialize, lookup, outgoingFilter, outputFilter, pickleValues |
Methods inherited from class org.w3c.tools.resources.ResourceFrame |
addFrameEventListener, attributeChanged, checkRequest, eventDisabled, fireFrameEvent, frameModified, getFilters, getFilters, getFrameReference, getResource, getResourceReference, getSpaceEntry, getURLPath, lookupFilters, lookupFrames, perform, postFrameEvent, processEvent, registerResource, removeFrameEventListener, setValue, unregisterResource, updateDefaultChildAttributes |
Methods inherited from class org.w3c.tools.resources.Resource |
acceptUnload, checkMultipleLock, collectFrames, getContext, getFrame, getFrames, getHelpURL, getHelpURL, getIdentifier, getLastModified, getParent, getServer, getSpace, getStoreEntry, getValue, getValue, isInitialized, isUnloaded, setContext, setContext, setValue, unsafeGetContext, unsafeGetValue, updateAttributes |
Methods inherited from class org.w3c.tools.resources.AttributeHolder |
definesAttribute, definesAttribute, getAttributes, getBoolean, getChar, getClone, getClone, getDouble, getFloat, getInt, getLong, getString, getValue, lookupAttribute, print, setBoolean, setChar, setDouble, setFloat, setInt, setLong, setString, setValue |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
protected static int ATTR_LIMIT
protected static int ATTR_TIMEOUT
protected int count
Constructor Detail |
public AccessLimitFilter()
Method Detail |
public int getLimit()
public int getTimeout()
public ReplyInterface ingoingFilter(RequestInterface req) throws HTTPException
ingoingFilter
in class ResourceFilter
req
- The request to filter.
HTTPException
- if access limit is reached.public ReplyInterface outgoingFilter(RequestInterface req, ReplyInterface rep)
outgoingFilter
in class ResourceFilter
req
- The original request.rep
- It's original reply.
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