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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:44:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:44:51 +0000 |
commit | 9e3c08db40b8916968b9f30096c7be3f00ce9647 (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /storage/mozStorageAsyncStatement.h | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | storage/mozStorageAsyncStatement.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/storage/mozStorageAsyncStatement.h b/storage/mozStorageAsyncStatement.h new file mode 100644 index 0000000000..ceaead1771 --- /dev/null +++ b/storage/mozStorageAsyncStatement.h @@ -0,0 +1,101 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ : + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_storage_mozStorageAsyncStatement_h_ +#define mozilla_storage_mozStorageAsyncStatement_h_ + +#include "nsString.h" + +#include "nsTArray.h" + +#include "mozStorageBindingParamsArray.h" +#include "mozStorageStatementData.h" +#include "mozIStorageAsyncStatement.h" +#include "StorageBaseStatementInternal.h" +#include "mozilla/Attributes.h" + +namespace mozilla { +namespace storage { + +class AsyncStatementJSHelper; +class AsyncStatementParamsHolder; +class Connection; + +class AsyncStatement final : public mozIStorageAsyncStatement, + public StorageBaseStatementInternal { + public: + NS_DECL_THREADSAFE_ISUPPORTS + NS_DECL_MOZISTORAGEASYNCSTATEMENT + NS_DECL_MOZISTORAGEBASESTATEMENT + NS_DECL_MOZISTORAGEBINDINGPARAMS + NS_DECL_STORAGEBASESTATEMENTINTERNAL + + AsyncStatement(); + + /** + * Initializes the object on aDBConnection by preparing the SQL statement + * given by aSQLStatement. + * + * @param aDBConnection + * The Connection object this statement is associated with. + * @param aNativeConnection + * The native Sqlite connection this statement is associated with. + * @param aSQLStatement + * The SQL statement to prepare that this object will represent. + */ + nsresult initialize(Connection* aDBConnection, sqlite3* aNativeConnection, + const nsACString& aSQLStatement); + + /** + * Obtains and transfers ownership of the array of parameters that are bound + * to this statment. This can be null. + */ + inline already_AddRefed<BindingParamsArray> bindingParamsArray() { + return mParamsArray.forget(); + } + + private: + ~AsyncStatement(); + + /** + * @return a pointer to the BindingParams object to use with our Bind* + * method. + */ + mozIStorageBindingParams* getParams(); + + /** + * The SQL string as passed by the user. We store it because we create the + * async statement on-demand on the async thread. + */ + nsCString mSQLString; + + /** + * Holds the array of parameters to bind to this statement when we execute + * it asynchronously. + */ + RefPtr<BindingParamsArray> mParamsArray; + + /** + * Caches the JS 'params' helper for this statement. + */ + nsMainThreadPtrHandle<AsyncStatementParamsHolder> mStatementParamsHolder; + + /** + * Have we been explicitly finalized by the user? + */ + bool mFinalized; + + /** + * Required for access to private mStatementParamsHolder field by + * AsyncStatementJSHelper::getParams. + */ + friend class AsyncStatementJSHelper; +}; + +} // namespace storage +} // namespace mozilla + +#endif // mozilla_storage_mozStorageAsyncStatement_h_ |