com.prosyst.mprm.backend.http.cache

Interface Cache

public interface Cache

Interface for caching HTTP responses.

Method Summary

Modifier and Type	Method and Description
CachedHttpResponse	getCached(java.lang.Object cacheId) Returns the cached response if the exists into the cache.
java.lang.Object	getCacheId(java.lang.String deviceId, com.prosyst.mprm.net.nio.http.RequestHeader request) Returns cache id for the requested target.
CacheImport	getCacheImport(java.lang.Object cacheId, com.prosyst.mprm.net.nio.http.ResponseHeader response) Gets a CacheImport entry that could be used for inserting new entry into the cache.
java.lang.String[]	getSupportedHeaderNames() Returns the headers supported by the cache.

Method Detail

getSupportedHeaderNames

java.lang.String[] getSupportedHeaderNames()

Returns the headers supported by the cache.
Note: CachedHttpResponse.getHeader(String) could return null for a supported header. Presence into this list means just that header value could be available into cache.

Returns:

getCacheId

java.lang.Object getCacheId(java.lang.String deviceId,
                            com.prosyst.mprm.net.nio.http.RequestHeader request)

Returns cache id for the requested target.

Parameters:

deviceId - the device id.

request - the request header.

Returns:

if response of this request is cacheable returns an id witch could be used in the getCached and getCacheImport methods. Otherwise, returns null.

getCached

CachedHttpResponse getCached(java.lang.Object cacheId)

Returns the cached response if the exists into the cache. Othewise, returns null.

Parameters:

cacheId - the cached id as it is got with getCacheId method.

Returns:

the cache id.

getCacheImport

CacheImport getCacheImport(java.lang.Object cacheId,
                           com.prosyst.mprm.net.nio.http.ResponseHeader response)

Gets a CacheImport entry that could be used for inserting new entry into the cache. If the response is not cacheable returns null.

Parameters:

cacheId -

Returns: