1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is mozilla.org code.
16 : *
17 : * The Initial Developer of the Original Code is Neil Deakin
18 : * Portions created by the Initial Developer are Copyright (C) 2005
19 : * the Initial Developer. All Rights Reserved.
20 : *
21 : * Contributor(s):
22 : *
23 : * Alternatively, the contents of this file may be used under the terms of
24 : * either of the GNU General Public License Version 2 or later (the "GPL"),
25 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
26 : * in which case the provisions of the GPL or the LGPL are applicable instead
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32 : * the provisions above, a recipient may use your version of this file under
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34 : *
35 : * ***** END LICENSE BLOCK ***** */
36 :
37 : #include "nscore.h"
38 : #include "nsCOMPtr.h"
39 :
40 : #include "nsXULTemplateQueryProcessorRDF.h"
41 : #include "nsRDFQuery.h"
42 :
43 1464 : NS_IMPL_CYCLE_COLLECTION_1(nsRDFQuery, mQueryNode)
44 :
45 0 : NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsRDFQuery)
46 0 : NS_INTERFACE_MAP_ENTRY(nsITemplateRDFQuery)
47 0 : NS_INTERFACE_MAP_ENTRY(nsISupports)
48 0 : NS_INTERFACE_MAP_END
49 :
50 0 : NS_IMPL_CYCLE_COLLECTING_ADDREF(nsRDFQuery)
51 0 : NS_IMPL_CYCLE_COLLECTING_RELEASE(nsRDFQuery)
52 :
53 : void
54 0 : nsRDFQuery::Finish()
55 : {
56 : // the template builder is going away and the query processor likely as
57 : // well. Clear the reference to avoid calling it.
58 0 : mProcessor = nsnull;
59 0 : mCachedResults = nsnull;
60 0 : }
61 :
62 : nsresult
63 0 : nsRDFQuery::SetCachedResults(nsXULTemplateQueryProcessorRDF* aProcessor,
64 : const InstantiationSet& aInstantiations)
65 : {
66 0 : mCachedResults = new nsXULTemplateResultSetRDF(aProcessor, this, &aInstantiations);
67 0 : if (! mCachedResults)
68 0 : return NS_ERROR_OUT_OF_MEMORY;
69 :
70 0 : return NS_OK;
71 : }
72 :
73 :
74 : void
75 0 : nsRDFQuery::UseCachedResults(nsISimpleEnumerator** aResults)
76 : {
77 0 : *aResults = mCachedResults;
78 0 : NS_IF_ADDREF(*aResults);
79 :
80 0 : mCachedResults = nsnull;
81 4392 : }
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