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1 /* | 1 /* |
2 * Copyright (C) 2007, 2013 Apple Inc. All rights reserved. | 2 * Copyright (C) 2007, 2013 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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32 | 32 |
33 namespace blink { | 33 namespace blink { |
34 | 34 |
35 ChangeVersionWrapper::ChangeVersionWrapper(const String& old_version, | 35 ChangeVersionWrapper::ChangeVersionWrapper(const String& old_version, |
36 const String& new_version) | 36 const String& new_version) |
37 : old_version_(old_version.IsolatedCopy()), | 37 : old_version_(old_version.IsolatedCopy()), |
38 new_version_(new_version.IsolatedCopy()) {} | 38 new_version_(new_version.IsolatedCopy()) {} |
39 | 39 |
40 bool ChangeVersionWrapper::PerformPreflight( | 40 bool ChangeVersionWrapper::PerformPreflight( |
41 SQLTransactionBackend* transaction) { | 41 SQLTransactionBackend* transaction) { |
42 ASSERT(transaction && transaction->GetDatabase()); | 42 DCHECK(transaction); |
| 43 DCHECK(transaction->GetDatabase()); |
43 | 44 |
44 Database* database = transaction->GetDatabase(); | 45 Database* database = transaction->GetDatabase(); |
45 | 46 |
46 String actual_version; | 47 String actual_version; |
47 if (!database->GetVersionFromDatabase(actual_version)) { | 48 if (!database->GetVersionFromDatabase(actual_version)) { |
48 int sqlite_error = database->SqliteDatabase().LastError(); | 49 int sqlite_error = database->SqliteDatabase().LastError(); |
49 database->ReportChangeVersionResult(1, SQLError::kUnknownErr, sqlite_error); | 50 database->ReportChangeVersionResult(1, SQLError::kUnknownErr, sqlite_error); |
50 sql_error_ = SQLErrorData::Create( | 51 sql_error_ = SQLErrorData::Create( |
51 SQLError::kUnknownErr, "unable to read the current version", | 52 SQLError::kUnknownErr, "unable to read the current version", |
52 sqlite_error, database->SqliteDatabase().LastErrorMsg()); | 53 sqlite_error, database->SqliteDatabase().LastErrorMsg()); |
53 return false; | 54 return false; |
54 } | 55 } |
55 | 56 |
56 if (actual_version != old_version_) { | 57 if (actual_version != old_version_) { |
57 database->ReportChangeVersionResult(2, SQLError::kVersionErr, 0); | 58 database->ReportChangeVersionResult(2, SQLError::kVersionErr, 0); |
58 sql_error_ = SQLErrorData::Create(SQLError::kVersionErr, | 59 sql_error_ = SQLErrorData::Create(SQLError::kVersionErr, |
59 "current version of the database and " | 60 "current version of the database and " |
60 "`oldVersion` argument do not match"); | 61 "`oldVersion` argument do not match"); |
61 return false; | 62 return false; |
62 } | 63 } |
63 | 64 |
64 return true; | 65 return true; |
65 } | 66 } |
66 | 67 |
67 bool ChangeVersionWrapper::PerformPostflight( | 68 bool ChangeVersionWrapper::PerformPostflight( |
68 SQLTransactionBackend* transaction) { | 69 SQLTransactionBackend* transaction) { |
69 ASSERT(transaction && transaction->GetDatabase()); | 70 DCHECK(transaction); |
| 71 DCHECK(transaction->GetDatabase()); |
70 | 72 |
71 Database* database = transaction->GetDatabase(); | 73 Database* database = transaction->GetDatabase(); |
72 | 74 |
73 if (!database->SetVersionInDatabase(new_version_)) { | 75 if (!database->SetVersionInDatabase(new_version_)) { |
74 int sqlite_error = database->SqliteDatabase().LastError(); | 76 int sqlite_error = database->SqliteDatabase().LastError(); |
75 database->ReportChangeVersionResult(3, SQLError::kUnknownErr, sqlite_error); | 77 database->ReportChangeVersionResult(3, SQLError::kUnknownErr, sqlite_error); |
76 sql_error_ = SQLErrorData::Create( | 78 sql_error_ = SQLErrorData::Create( |
77 SQLError::kUnknownErr, "unable to set new version in database", | 79 SQLError::kUnknownErr, "unable to set new version in database", |
78 sqlite_error, database->SqliteDatabase().LastErrorMsg()); | 80 sqlite_error, database->SqliteDatabase().LastErrorMsg()); |
79 return false; | 81 return false; |
80 } | 82 } |
81 | 83 |
82 database->SetExpectedVersion(new_version_); | 84 database->SetExpectedVersion(new_version_); |
83 | 85 |
84 database->ReportChangeVersionResult(0, -1, 0); // OK | 86 database->ReportChangeVersionResult(0, -1, 0); // OK |
85 return true; | 87 return true; |
86 } | 88 } |
87 | 89 |
88 void ChangeVersionWrapper::HandleCommitFailedAfterPostflight( | 90 void ChangeVersionWrapper::HandleCommitFailedAfterPostflight( |
89 SQLTransactionBackend* transaction) { | 91 SQLTransactionBackend* transaction) { |
90 transaction->GetDatabase()->SetCachedVersion(old_version_); | 92 transaction->GetDatabase()->SetCachedVersion(old_version_); |
91 } | 93 } |
92 | 94 |
93 } // namespace blink | 95 } // namespace blink |
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