1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 : * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
3 : * ***** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
10 : *
11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 : * for the specific language governing rights and limitations under the
14 : * License.
15 : *
16 : * The Original Code is mozilla.org code.
17 : *
18 : * The Initial Developer of the Original Code is
19 : * Mozilla Corporation.
20 : * Portions created by the Initial Developer are Copyright (C) 2009
21 : * the Initial Developer. All Rights Reserved.
22 : *
23 : * Contributor(s):
24 : * Shawn Wilsher <me@shawnwilsher.com> (Original Author)
25 : *
26 : * Alternatively, the contents of this file may be used under the terms of
27 : * either the GNU General Public License Version 2 or later (the "GPL"), or
28 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29 : * in which case the provisions of the GPL or the LGPL are applicable instead
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33 : * decision by deleting the provisions above and replace them with the notice
34 : * and other provisions required by the GPL or the LGPL. If you do not delete
35 : * the provisions above, a recipient may use your version of this file under
36 : * the terms of any one of the MPL, the GPL or the LGPL.
37 : *
38 : * ***** END LICENSE BLOCK ***** */
39 :
40 : #include "mozStorageBindingParamsArray.h"
41 : #include "mozStorageBindingParams.h"
42 : #include "StorageBaseStatementInternal.h"
43 :
44 : namespace mozilla {
45 : namespace storage {
46 :
47 : ////////////////////////////////////////////////////////////////////////////////
48 : //// BindingParamsArray
49 :
50 121768 : BindingParamsArray::BindingParamsArray(
51 : StorageBaseStatementInternal *aOwningStatement
52 : )
53 : : mOwningStatement(aOwningStatement)
54 121768 : , mLocked(false)
55 : {
56 121768 : }
57 :
58 : void
59 121753 : BindingParamsArray::lock()
60 : {
61 121753 : NS_ASSERTION(mLocked == false, "Array has already been locked!");
62 121753 : mLocked = true;
63 :
64 : // We also no longer need to hold a reference to our statement since it owns
65 : // us.
66 121753 : mOwningStatement = nsnull;
67 121753 : }
68 :
69 : const StorageBaseStatementInternal *
70 16001 : BindingParamsArray::getOwner() const
71 : {
72 16001 : return mOwningStatement;
73 : }
74 :
75 2146849 : NS_IMPL_THREADSAFE_ISUPPORTS1(
76 : BindingParamsArray,
77 : mozIStorageBindingParamsArray
78 : )
79 :
80 : ///////////////////////////////////////////////////////////////////////////////
81 : //// mozIStorageBindingParamsArray
82 :
83 : NS_IMETHODIMP
84 16163 : BindingParamsArray::NewBindingParams(mozIStorageBindingParams **_params)
85 : {
86 16163 : NS_ENSURE_FALSE(mLocked, NS_ERROR_UNEXPECTED);
87 :
88 : nsCOMPtr<mozIStorageBindingParams> params(
89 32322 : mOwningStatement->newBindingParams(this));
90 16161 : NS_ENSURE_TRUE(params, NS_ERROR_UNEXPECTED);
91 :
92 16161 : params.forget(_params);
93 16161 : return NS_OK;
94 : }
95 :
96 : NS_IMETHODIMP
97 121915 : BindingParamsArray::AddParams(mozIStorageBindingParams *aParameters)
98 : {
99 121915 : NS_ENSURE_FALSE(mLocked, NS_ERROR_UNEXPECTED);
100 :
101 121913 : BindingParams *params = static_cast<BindingParams *>(aParameters);
102 :
103 : // Check to make sure that this set of parameters was created with us.
104 121913 : if (params->getOwner() != this)
105 2 : return NS_ERROR_UNEXPECTED;
106 :
107 121911 : NS_ENSURE_TRUE(mArray.AppendElement(params), NS_ERROR_OUT_OF_MEMORY);
108 :
109 : // Lock the parameters only after we've successfully added them.
110 121911 : params->lock();
111 :
112 121911 : return NS_OK;
113 : }
114 :
115 : NS_IMETHODIMP
116 30 : BindingParamsArray::GetLength(PRUint32 *_length)
117 : {
118 30 : *_length = length();
119 30 : return NS_OK;
120 : }
121 :
122 : } // namespace storage
123 : } // namespace mozilla
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