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Implemented SQLiteDatabase#{begin,end}Transaction(). · drydart/flutter_sqlcipher@0b11805 · GitHub

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Implemented SQLiteDatabase#{begin,end}Transaction().
1 parent ebabfe7 commit 0b11805

4 files changed

Lines changed: 65 additions & 2 deletions

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‎CHANGELOG.md‎

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@@ -8,6 +8,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
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## [0.1.1] - 2018-11-23
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### Added
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- `SQLiteDatabase#beginTransaction()` method
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- `SQLiteDatabase#beginTransactionNonExclusive()` method
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- `SQLiteDatabase#endTransaction()` method
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## [0.1.0] - 2018-11-22
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### Added

‎README.md‎

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@@ -100,6 +100,9 @@ Reference
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- [`SQLiteDatabase.openOrCreateDatabase()`](https://pub.dartlang.org/documentation/flutter_sqlcipher/latest/sqlite/SQLiteDatabase/openOrCreateDatabase.html)
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- [`SQLiteDatabase#path`](https://pub.dartlang.org/documentation/flutter_sqlcipher/latest/sqlite/SQLiteDatabase/path.html)
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- [`SQLiteDatabase#version`](https://pub.dartlang.org/documentation/flutter_sqlcipher/latest/sqlite/SQLiteDatabase/version.html)
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- [`SQLiteDatabase#beginTransaction()`](https://pub.dartlang.org/documentation/flutter_sqlcipher/latest/sqlite/SQLiteDatabase/beginTransaction.html)
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- [`SQLiteDatabase#beginTransactionNonExclusive()`](https://pub.dartlang.org/documentation/flutter_sqlcipher/latest/sqlite/SQLiteDatabase/beginTransactionNonExclusive.html)
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- [`SQLiteDatabase#endTransaction()`](https://pub.dartlang.org/documentation/flutter_sqlcipher/latest/sqlite/SQLiteDatabase/endTransaction.html)
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- [`SQLiteDatabase#execSQL()`](https://pub.dartlang.org/documentation/flutter_sqlcipher/latest/sqlite/SQLiteDatabase/execSQL.html)
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- [`SQLiteDatabase#getPath()`](https://pub.dartlang.org/documentation/flutter_sqlcipher/latest/sqlite/SQLiteDatabase/getPath.html)
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- [`SQLiteDatabase#getVersion()`](https://pub.dartlang.org/documentation/flutter_sqlcipher/latest/sqlite/SQLiteDatabase/getVersion.html)

‎android/src/main/java/com/github/drydart/flutter_sqlcipher/SQLiteDatabaseMethodHandler.java‎

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@@ -56,6 +56,32 @@ class SQLiteDatabaseMethodHandler implements MethodCallHandler {
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break;
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}
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case "beginTransaction": {
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final SQLiteDatabase db = this.getDatabaseArgument(call);
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final String mode = getOptionalArgument(call, "mode", "exclusive");
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switch (mode) {
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case "exclusive":
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db.beginTransaction();
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break;
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case "immediate":
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//db.beginTransactionNonExclusive(); // TODO: this is missing in SQLCipher 3.5.9
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db.beginTransaction();
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break;
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default:
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assert(false); // unreachable
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throw new AssertionError();
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}
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result.success(null);
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break;
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}
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case "endTransaction": {
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final SQLiteDatabase db = this.getDatabaseArgument(call);
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db.endTransaction();
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result.success(null);
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break;
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}
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case "execSQL": {
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final SQLiteDatabase db = this.getDatabaseArgument(call);
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final String sql = getRequiredArgument(call, "sql");
@@ -90,7 +116,7 @@ class SQLiteDatabaseMethodHandler implements MethodCallHandler {
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case "isWriteAheadLoggingEnabled": {
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final SQLiteDatabase db = this.getDatabaseArgument(call);
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//result.success(db.isWriteAheadLoggingEnabled()); // TODO: this is missing in SQLCipher
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//result.success(db.isWriteAheadLoggingEnabled()); // TODO: this is missing in SQLCipher 3.5.9
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result.success(false);
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break;
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}
@@ -197,9 +223,16 @@ class SQLiteDatabaseMethodHandler implements MethodCallHandler {
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private static <T> T
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getOptionalArgument(final MethodCall call,
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final String name) {
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return getOptionalArgument(call, name, (T)null);
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}
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private static <T> T
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getOptionalArgument(final MethodCall call,
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final String name,
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final T defaultValue) {
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assert(call != null);
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assert(name != null);
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return call.hasArgument(name) ? (T)call.argument(name) : (T)null;
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return call.hasArgument(name) ? (T)call.argument(name) : defaultValue;
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}
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}

‎lib/src/database.dart‎

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@@ -126,6 +126,30 @@ abstract class SQLiteDatabase {
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/// This is simply a Dart-idiomatic getter alias for [getVersion()].
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Future<int> get version => getVersion();
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/// Begins a transaction in `EXCLUSIVE` mode.
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///
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/// See: https://developer.android.com/reference/android/database/sqlite/SQLiteDatabase#beginTransaction()
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Future<void> beginTransaction() {
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final Map<String, dynamic> request = <String, dynamic>{'id': id, 'mode': 'exclusive'};
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return _channel.invokeMethod('beginTransaction', request);
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}
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/// Begins a transaction in `IMMEDIATE` mode.
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///
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/// See: https://developer.android.com/reference/android/database/sqlite/SQLiteDatabase#beginTransactionNonExclusive()
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Future<void> beginTransactionNonExclusive() {
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final Map<String, dynamic> request = <String, dynamic>{'id': id, 'mode': 'immediate'};
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return _channel.invokeMethod('beginTransaction', request);
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}
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/// Ends a transaction.
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///
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/// See: https://developer.android.com/reference/android/database/sqlite/SQLiteDatabase#endTransaction()
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Future<void> endTransaction() {
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final Map<String, dynamic> request = <String, dynamic>{'id': id};
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return _channel.invokeMethod('endTransaction', request);
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}
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/// Executes a single SQL statement that is *not* a `SELECT` or any other SQL
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/// statement that returns data.
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///

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