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Class w3c.www.protocol.http.cache.VaryResource 

java.lang.Object
   |
   +----w3c.tools.store.AttributeHolder
           |
           +----w3c.tools.store.Resource
                   |
                   +----w3c.www.protocol.http.cache.CachedResource
                           |
                           +----w3c.www.protocol.http.cache.VaryResource
public class VaryResource
extends CachedResource

Variable Index

o ATTR_VARIANT_LOCATIONS
Attribute index - The location of the variants.
o ATTR_VARY
Attribute index - The dimension on which this resource varies.
o variants
The loaded list of cached variants.

Constructor Index

o VaryResource()

Method Index

o addVariant(CachedResource)
o delete()
Delete this cached entry from the cache.
o getVariant(HttpEntityTag)
o getVariantLocations()
Get this varying resource cached variant locations.
o getVariants()
o getVariantsETag()
o getVary()
Get the dimension on which this resource varies.
o isValid(Request)
Is the currently cached version usable to answer the given request ?
o setRequestValidation(Request)
Update an original request for a revalidation.
o updateVariant(Request, Reply)
o validate(Request, Reply)
Given an HTTP transaction, validate that cached entry.

Variables

o ATTR_VARIANT_LOCATIONS 
 protected static int ATTR_VARIANT_LOCATIONS
Attribute index - The location of the variants.

o ATTR_VARY 
 protected static int ATTR_VARY
Attribute index - The dimension on which this resource varies.

o variants 
 protected CachedResource variants[]
The loaded list of cached variants.

Constructors

o VaryResource 
 public VaryResource()

Methods

o getVariantLocations 
 public synchronized String[] getVariantLocations()
Get this varying resource cached variant locations.

Returns:
A array of URL encoded as String a String array, or null if no variants have been cached yet.
o getVary 
 public String[] getVary()
Get the dimension on which this resource varies.

Returns:
A list of HTTP header field names. This method will never return null since this would prevent it from being cached.
o addVariant 
 public synchronized void addVariant(CachedResource v)
o getVariants 
 public synchronized CachedResource[] getVariants()
o getVariantsETag 
 public synchronized HttpEntityTag[] getVariantsETag()
o getVariant 
 public synchronized CachedResource getVariant(HttpEntityTag etag)
o updateVariant 
 public Reply updateVariant(Request request,
                            Reply reply) throws IOException
o setRequestValidation 
 public void setRequestValidation(Request request)
Update an original request for a revalidation.

Overrides:
setRequestValidation in class CachedResource
o isValid 
 public boolean isValid(Request request)
Is the currently cached version usable to answer the given request ?

Overrides:
isValid in class CachedResource
o validate 
 public synchronized Reply validate(Request request,
                                    Reply reply) throws IOException
Given an HTTP transaction, validate that cached entry.

Overrides:
validate in class CachedResource
o delete 
 public synchronized void delete()
Delete this cached entry from the cache.

Overrides:
delete in class CachedResource 
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