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122 lines
3.9 KiB
Plaintext
122 lines
3.9 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is nsICacheEntryDescriptor.idl, released
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* February 10, 2001.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 2001 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Gordon Sheridan <gordon@netscape.com>
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* Patrick Beard <beard@netscape.com>
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* Darin Fisher <darin@netscape.com>
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*/
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#include "nsICacheVisitor.idl"
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#include "nsICache.idl"
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interface nsISimpleEnumerator;
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interface nsICacheListener;
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interface nsITransport;
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interface nsIFile;
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[scriptable, uuid(49c1a11d-f5d2-4f09-8262-551e64908ada)]
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interface nsICacheEntryDescriptor : nsICacheEntryInfo
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{
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/**
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* Set the time at which the cache entry should be considered invalid (in
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* seconds since the Epoch).
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*/
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void setExpirationTime(in PRUint32 expirationTime);
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/**
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* Set the cache entry data size. This will fail if the cache entry
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* IS stream based.
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*/
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void setDataSize(in unsigned long size);
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/**
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* Get a transport to the cache data. This will fail if the cache entry
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* IS NOT stream based.
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*/
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readonly attribute nsITransport transport;
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/**
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* Get/set the cache data element. This will fail if the cache entry
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* IS stream based. The cache entry holds a strong reference to this
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* object. The object will be released when the cache entry is destroyed.
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*/
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attribute nsISupports cacheElement;
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/**
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* Get the access granted to this descriptor. See nsICache.idl for the
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* definitions of the access modes and a thorough description of their
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* corresponding meanings.
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*/
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readonly attribute nsCacheAccessMode accessGranted;
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/**
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* Get/set the storage policy of the cache entry. See nsICache.idl for
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* the definitions of the storage policies.
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*/
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attribute nsCacheStoragePolicy storagePolicy;
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/**
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* Get the disk file associated with the cache entry.
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*/
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readonly attribute nsIFile file;
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/**
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* Get/set security info on the cache entry for this descriptor. This fails
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* if the storage policy is not STORE_IN_MEMORY.
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*/
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attribute nsISupports securityInfo;
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/**
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* Doom the cache entry this descriptor references in order to slate it for
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* removal. Once doomed a cache entry cannot be undoomed.
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*
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* A descriptor with WRITE access can doom the cache entry and choose to
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* fail pending requests. This means that pending requests will not get
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* a cache descriptor. This is meant as a tool for clients that wish to
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* instruct pending requests to skip the cache.
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*/
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void doom();
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void doomAndFailPendingRequests(in nsresult status);
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/**
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* A writer must validate this cache object before any readers are given
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* a descriptor to the object.
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*/
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void markValid();
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/**
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* Explicitly close the descriptor (optional).
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*/
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void close();
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/**
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* Methods for accessing meta data. Meta data is a table of key/value
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* string pairs. The strings do not have to conform to any particular
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* charset, but they must be null terminated.
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*/
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string getMetaDataElement(in string key);
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void setMetaDataElement(in string key, in string value);
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nsISimpleEnumerator getMetaDataEnumerator(); /* todo */
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};
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