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Overview
| Comment: | More work in progress. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | sessions |
| Files: | files | file ages | folders |
| SHA1: |
ef2192f13247db188178976588f08737 |
| User & Date: | mistachkin 2017-10-05 19:28:16 |
Context
|
2017-10-05
| ||
| 21:47 | Yet more work in progress. check-in: 537da806d2 user: mistachkin tags: sessions | |
| 19:28 | More work in progress. check-in: ef2192f132 user: mistachkin tags: sessions | |
| 03:26 | Work-in-progress on supporting the 'sessions' extension to the SQLite core library. check-in: 2ce0ba7f72 user: mistachkin tags: sessions | |
Changes
Changes to System.Data.SQLite/SQLiteBlob.cs.
102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 |
// do nothing.
}
finally /* NOTE: Thread.Abort() protection. */
{
IntPtr ptrBlob = IntPtr.Zero;
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3_blob_open(
sqlite3._sql, SQLiteConvert.ToUTF8(
dataReader.GetDatabaseName(i)), SQLiteConvert.ToUTF8(
dataReader.GetTableName(i)), SQLiteConvert.ToUTF8(
dataReader.GetName(i)), (long)rowId, readOnly ? 0 : 1,
ref ptrBlob);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, null);
|
| |
102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 |
// do nothing.
}
finally /* NOTE: Thread.Abort() protection. */
{
IntPtr ptrBlob = IntPtr.Zero;
SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3_blob_open(
handle, SQLiteConvert.ToUTF8(
dataReader.GetDatabaseName(i)), SQLiteConvert.ToUTF8(
dataReader.GetTableName(i)), SQLiteConvert.ToUTF8(
dataReader.GetName(i)), (long)rowId, readOnly ? 0 : 1,
ref ptrBlob);
if (rc != SQLiteErrorCode.Ok)
throw new SQLiteException(rc, null);
|
Changes to System.Data.SQLite/SQLiteConnection.cs.
1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 |
cmd.ExecuteNonQuery();
}
}
}
}
}
}
///////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Raises the <see cref="Changed" /> event.
/// </summary>
/// <param name="connection">
|
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > |
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cmd.ExecuteNonQuery();
}
}
}
}
}
}
///////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Attempts to lookup the native handle associated with the connection. An exception will
/// be thrown if this cannot be accomplished.
/// </summary>
/// <param name="connection">
/// The connection associated with the desired native handle.
/// </param>
/// <returns>
/// The native handle associated with the connection or <see cref="IntPtr.Zero" /> if it
/// cannot be determined.
/// </returns>
internal static SQLiteConnectionHandle GetNativeHandle(
SQLiteConnection connection
)
{
if (connection == null)
throw new ArgumentNullException("connection");
SQLite3 sqlite3 = connection._sql as SQLite3;
if (sqlite3 == null)
throw new InvalidOperationException("Connection has no wrapper");
SQLiteConnectionHandle handle = sqlite3._sql;
if (handle == null)
throw new InvalidOperationException("Connection has an invalid handle.");
return handle;
}
///////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Raises the <see cref="Changed" /> event.
/// </summary>
/// <param name="connection">
|
Changes to System.Data.SQLite/SQLiteModule.cs.
3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 |
/// </param>
/// <returns>
/// The native pointer to a logical byte array or null upon failure.
/// </returns>
public static IntPtr ToIntPtr(
byte[] value
)
{
if (value == null)
return IntPtr.Zero;
int length = value.Length;
if (length == 0)
return IntPtr.Zero;
IntPtr result = SQLiteMemory.Allocate(length);
if (result == IntPtr.Zero)
|
> > > > > > > > > > > > > > > > > > > > > > > > > | |
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/// </param>
/// <returns>
/// The native pointer to a logical byte array or null upon failure.
/// </returns>
public static IntPtr ToIntPtr(
byte[] value
)
{
int length = 0;
return ToIntPtr(value, ref length);
}
///////////////////////////////////////////////////////////////////////
/// <summary>
/// Converts a managed byte array into a native pointer to a logical
/// array of bytes.
/// </summary>
/// <param name="value">
/// The managed byte array to convert.
/// </param>
/// <param name="length">
/// The length, in bytes, of the converted logical array of bytes.
/// </param>
/// <returns>
/// The native pointer to a logical byte array or null upon failure.
/// </returns>
public static IntPtr ToIntPtr(
byte[] value,
ref int length
)
{
if (value == null)
return IntPtr.Zero;
length = value.Length;
if (length == 0)
return IntPtr.Zero;
IntPtr result = SQLiteMemory.Allocate(length);
if (result == IntPtr.Zero)
|
Changes to System.Data.SQLite/SQLiteSessions.cs.
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* ADO.NET 2.0 Data Provider for SQLite Version 3.X
* Written by Joe Mistachkin (joe@mistachkin.com)
*
* Released to the public domain, use at your own risk!
********************************************************/
using System.Collections.Generic;
namespace System.Data.SQLite
{
public enum SQLiteChangeSetConflictType
{
Data = 1,
NotFound = 2,
Conflict = 3,
Constraint = 4,
ForeignKey = 5
}
public enum SQLiteChangeSetConflictResult
{
Omit = 0,
Replace = 1,
Abort = 2
}
public delegate void TableFilterDelegate(
object context,
string tableName
);
public delegate SQLiteChangeSetConflictResult ConflictDelegate(
object context,
SQLiteChangeSetConflictType type,
ISQLiteChangeSetMetadataItem item
);
public interface ISQLiteChangeSet
{
bool IsPatchSet { get; }
void Apply(SQLiteConnection connection, ConflictDelegate conflictCallback);
void Apply(SQLiteConnection connection, ConflictDelegate conflictCallback, TableFilterDelegate tableCallback);
ISQLiteChangeSet Invert();
ISQLiteChangeSet CombineWith(ISQLiteChangeSet changeSet);
}
public interface ISQLiteChangeGroup
{
void Add(ISQLiteChangeSet changeSet);
ISQLiteChangeSet CreateChangeSet();
}
public sealed class SQLiteChangeSetEnumerator : IEnumerator<ISQLiteChangeSetMetadataItem>
{
public SQLiteChangeSetEnumerator(
ISQLiteChangeSet changeSet
)
{
................................................................................
public void Reset()
{
throw new NotImplementedException();
}
#endregion
}
public sealed class SQLiteChangeSetMetadataItem : ISQLiteChangeSetMetadataItem
{
internal SQLiteChangeSetMetadataItem(IntPtr iterator)
{
}
................................................................................
{
get { throw new NotImplementedException(); }
}
#endregion
}
public interface ISQLiteChangeSetMetadataItem
{
SQLiteAuthorizerActionCode OperationCode { get; }
string TableName { get; }
int NumberOfColumns { get; }
bool Indirect { get; }
bool[] PrimaryKeyColumns { get; }
SQLiteValue GetOldValue(int columnIndex);
SQLiteValue GetNewValue(int columnIndex);
SQLiteValue GetConflictValue(int columnIndex);
int NumberOfForeignKeyConflicts { get; }
}
public interface ISQLiteSession
{
bool IsEnabled();
void SetToEnabled();
void SetToDisabled();
bool IsIndirect();
void SetToIndirect();
void SetToDirect();
bool IsEmpty();
void AttachTable(string name);
void SetTableFilter(TableFilterDelegate tableCallback, object context);
ISQLiteChangeSet CreateChangeSet();
ISQLiteChangeSet CreatePatchSet();
void LoadDifferencesFromTable(string fromDatabaseName, string tableName);
}
}
|
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* ADO.NET 2.0 Data Provider for SQLite Version 3.X * Written by Joe Mistachkin (joe@mistachkin.com) * * Released to the public domain, use at your own risk! ********************************************************/ using System.Collections.Generic; using System.IO; using System.Globalization; using System.Runtime.InteropServices; namespace System.Data.SQLite { #region Session Extension Enumerations public enum SQLiteChangeSetConflictType { Data = 1, NotFound = 2, Conflict = 3, Constraint = 4, ForeignKey = 5 } /////////////////////////////////////////////////////////////////////////// public enum SQLiteChangeSetConflictResult { Omit = 0, Replace = 1, Abort = 2 } #endregion /////////////////////////////////////////////////////////////////////////// #region Session Extension Delegates public delegate bool TableFilterDelegate( object context, string name ); /////////////////////////////////////////////////////////////////////////// public delegate SQLiteChangeSetConflictResult ConflictDelegate( object context, SQLiteChangeSetConflictType type, ISQLiteChangeSetMetadataItem item ); #endregion /////////////////////////////////////////////////////////////////////////// #region Session Extension Interfaces public interface ISQLiteChangeSet { bool? IsPatchSet { get; } void Apply(SQLiteConnection connection, ConflictDelegate conflictCallback); void Apply(SQLiteConnection connection, ConflictDelegate conflictCallback, TableFilterDelegate tableFilterCallback); ISQLiteChangeSet Invert(); ISQLiteChangeSet CombineWith(ISQLiteChangeSet changeSet); } /////////////////////////////////////////////////////////////////////////// public interface ISQLiteChangeGroup { void AddChangeSet(byte[] rawData); void AddChangeSet(Stream stream); void CreateChangeSet(ref byte[] rawData); void CreateChangeSet(Stream stream, SQLiteConnectionFlags flags); } /////////////////////////////////////////////////////////////////////////// public interface ISQLiteChangeSetMetadataItem { SQLiteAuthorizerActionCode OperationCode { get; } string TableName { get; } int NumberOfColumns { get; } bool Indirect { get; } bool[] PrimaryKeyColumns { get; } SQLiteValue GetOldValue(int columnIndex); SQLiteValue GetNewValue(int columnIndex); SQLiteValue GetConflictValue(int columnIndex); int NumberOfForeignKeyConflicts { get; } } /////////////////////////////////////////////////////////////////////////// public interface ISQLiteSession { bool IsEnabled(); void SetToEnabled(); void SetToDisabled(); bool IsIndirect(); void SetToIndirect(); void SetToDirect(); bool IsEmpty(); void AttachTable(string name); void SetTableFilter(TableFilterDelegate callback, object context); void CreateChangeSet(ref byte[] rawData); void CreateChangeSet(Stream stream, SQLiteConnectionFlags flags); void CreatePatchSet(ref byte[] rawData); void CreatePatchSet(Stream stream, SQLiteConnectionFlags flags); void LoadDifferencesFromTable(string fromDatabaseName, string tableName); } #endregion /////////////////////////////////////////////////////////////////////////// #region SQLiteChangeSetIterator Class internal sealed class SQLiteChangeSetIterator : IDisposable { #region Private Data private IntPtr pData; private IntPtr iterator; #endregion /////////////////////////////////////////////////////////////////////// #region Private Constructors private SQLiteChangeSetIterator( IntPtr pData, IntPtr iterator ) { this.pData = pData; this.iterator = iterator; } #endregion /////////////////////////////////////////////////////////////////////// #region Static "Factory" Methods public static SQLiteChangeSetIterator Create( byte[] rawData ) { if (rawData == null) throw new ArgumentNullException("rawData"); SQLiteChangeSetIterator result = null; IntPtr pData = IntPtr.Zero; IntPtr iterator = IntPtr.Zero; try { int nData = 0; pData = SQLiteBytes.ToIntPtr(rawData, ref nData); if (pData == IntPtr.Zero) throw new SQLiteException(SQLiteErrorCode.NoMem, null); SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3changeset_start( ref iterator, nData, pData); if (rc != SQLiteErrorCode.Ok) throw new SQLiteException(rc, "sqlite3changeset_start"); result = new SQLiteChangeSetIterator(pData, iterator); } finally { if (result == null) { if (iterator != IntPtr.Zero) { UnsafeNativeMethods.sqlite3changeset_finalize( iterator); iterator = IntPtr.Zero; } if (pData != IntPtr.Zero) { SQLiteMemory.Free(pData); pData = IntPtr.Zero; } } } return result; } #endregion /////////////////////////////////////////////////////////////////////// #region IDisposable Members public void Dispose() { Dispose(true); GC.SuppressFinalize(this); } #endregion /////////////////////////////////////////////////////////////////////// #region IDisposable "Pattern" Members private bool disposed; private void CheckDisposed() /* throw */ { #if THROW_ON_DISPOSED if (disposed) { throw new ObjectDisposedException( typeof(SQLiteChangeSetIterator).Name); } #endif } /////////////////////////////////////////////////////////////////////// private /* protected virtual */ void Dispose(bool disposing) { try { if (!disposed) { //if (disposing) //{ // //////////////////////////////////// // // dispose managed resources here... // //////////////////////////////////// //} ////////////////////////////////////// // release unmanaged resources here... ////////////////////////////////////// if (iterator != IntPtr.Zero) { UnsafeNativeMethods.sqlite3changeset_finalize( iterator); iterator = IntPtr.Zero; } if (pData != IntPtr.Zero) { SQLiteMemory.Free(pData); pData = IntPtr.Zero; } } } finally { // // NOTE: Everything should be fully disposed at this point. // disposed = true; } } #endregion /////////////////////////////////////////////////////////////////////// #region Destructor ~SQLiteChangeSetIterator() { Dispose(false); } #endregion } #endregion /////////////////////////////////////////////////////////////////////////// #region SQLiteStreamAdapter Class internal sealed class SQLiteStreamAdapter : IDisposable { #region Private Data private Stream stream; private SQLiteConnectionFlags flags; #endregion /////////////////////////////////////////////////////////////////////// #region Public Constructors public SQLiteStreamAdapter( Stream stream, SQLiteConnectionFlags flags ) { this.stream = stream; this.flags = flags; } #endregion /////////////////////////////////////////////////////////////////////// #region Native Callback Methods public SQLiteErrorCode xInput( IntPtr context, IntPtr pData, ref int nData ) { try { if (stream == null) return SQLiteErrorCode.Misuse; if (nData > 0) { byte[] bytes = new byte[nData]; nData = stream.Read(bytes, 0, nData); Marshal.Copy(bytes, 0, pData, nData); } return SQLiteErrorCode.Ok; } catch (Exception e) { try { if ((flags & SQLiteConnectionFlags.LogCallbackException) == SQLiteConnectionFlags.LogCallbackException) { SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION, HelperMethods.StringFormat(CultureInfo.CurrentCulture, "Caught exception in \"xInput\" method: {0}", e)); /* throw */ } } catch { // do nothing. } } return SQLiteErrorCode.IoErr_Read; } /////////////////////////////////////////////////////////////////////// public SQLiteErrorCode xOutput( IntPtr context, IntPtr pData, int nData ) { try { if (stream == null) return SQLiteErrorCode.Misuse; if (nData > 0) { byte[] bytes = new byte[nData]; Marshal.Copy(pData, bytes, 0, nData); stream.Write(bytes, 0, nData); } stream.Flush(); return SQLiteErrorCode.Ok; } catch (Exception e) { try { if ((flags & SQLiteConnectionFlags.LogCallbackException) == SQLiteConnectionFlags.LogCallbackException) { SQLiteLog.LogMessage(SQLiteBase.COR_E_EXCEPTION, HelperMethods.StringFormat(CultureInfo.CurrentCulture, "Caught exception in \"xOutput\" method: {0}", e)); /* throw */ } } catch { // do nothing. } } return SQLiteErrorCode.IoErr_Write; } #endregion /////////////////////////////////////////////////////////////////////// #region IDisposable Members public void Dispose() { Dispose(true); GC.SuppressFinalize(this); } #endregion /////////////////////////////////////////////////////////////////////// #region IDisposable "Pattern" Members private bool disposed; private void CheckDisposed() /* throw */ { #if THROW_ON_DISPOSED if (disposed) { throw new ObjectDisposedException( typeof(SQLiteStreamAdapter).Name); } #endif } /////////////////////////////////////////////////////////////////////// private /* protected virtual */ void Dispose(bool disposing) { try { if (!disposed) { if (disposing) { //////////////////////////////////// // dispose managed resources here... //////////////////////////////////// if (stream != null) stream = null; /* NOT OWNED: Do not dispose. */ } ////////////////////////////////////// // release unmanaged resources here... ////////////////////////////////////// } } finally { // // NOTE: Everything should be fully disposed at this point. // disposed = true; } } #endregion /////////////////////////////////////////////////////////////////////// #region Destructor ~SQLiteStreamAdapter() { Dispose(false); } #endregion } #endregion /////////////////////////////////////////////////////////////////////////// #region SQLiteSession Class public sealed class SQLiteSession : ISQLiteSession, IDisposable { #region Private Data private IntPtr session; /////////////////////////////////////////////////////////////////////// private TableFilterDelegate tableFilterCallback; private object tableFilterContext; #endregion /////////////////////////////////////////////////////////////////////// #region Public Constructors public SQLiteSession( SQLiteConnection connection, string databaseName ) { UnsafeNativeMethods.sqlite3session_create( SQLiteConnection.GetNativeHandle(connection), SQLiteString.GetUtf8BytesFromString(databaseName), ref session); } #endregion /////////////////////////////////////////////////////////////////////// #region Private Methods private void CheckHandle() { if (session == IntPtr.Zero) throw new InvalidOperationException("session is not open"); } /////////////////////////////////////////////////////////////////////// #region Native Callback Methods private int xFilter( IntPtr context, /* NOT USED */ byte[] tblName ) { return tableFilterCallback(tableFilterContext, SQLiteString.GetStringFromUtf8Bytes(tblName)) ? 1 : 0; } #endregion #endregion /////////////////////////////////////////////////////////////////////// #region ISQLiteSession Members public bool IsEnabled() { CheckDisposed(); CheckHandle(); return UnsafeNativeMethods.sqlite3session_enable(session, -1) != 0; } /////////////////////////////////////////////////////////////////////// public void SetToEnabled() { CheckDisposed(); CheckHandle(); UnsafeNativeMethods.sqlite3session_enable(session, 1); } /////////////////////////////////////////////////////////////////////// public void SetToDisabled() { CheckDisposed(); CheckHandle(); UnsafeNativeMethods.sqlite3session_enable(session, 0); } /////////////////////////////////////////////////////////////////////// public bool IsIndirect() { CheckDisposed(); CheckHandle(); return UnsafeNativeMethods.sqlite3session_indirect(session, -1) != 0; } /////////////////////////////////////////////////////////////////////// public void SetToIndirect() { CheckDisposed(); CheckHandle(); UnsafeNativeMethods.sqlite3session_indirect(session, 1); } /////////////////////////////////////////////////////////////////////// public void SetToDirect() { CheckDisposed(); CheckHandle(); UnsafeNativeMethods.sqlite3session_indirect(session, 0); } /////////////////////////////////////////////////////////////////////// public bool IsEmpty() { CheckDisposed(); CheckHandle(); return UnsafeNativeMethods.sqlite3session_isempty(session) != 0; } /////////////////////////////////////////////////////////////////////// public void AttachTable(string name) { CheckDisposed(); CheckHandle(); SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_attach( session, SQLiteString.GetUtf8BytesFromString(name)); if (rc != SQLiteErrorCode.Ok) throw new SQLiteException(rc, "sqlite3session_attach"); } /////////////////////////////////////////////////////////////////////// public void SetTableFilter( TableFilterDelegate callback, object context ) { CheckDisposed(); CheckHandle(); this.tableFilterCallback = callback; this.tableFilterContext = context; UnsafeNativeMethods.sqlite3session_table_filter( session, xFilter, IntPtr.Zero); } /////////////////////////////////////////////////////////////////////// public void CreateChangeSet( ref byte[] rawData ) { CheckDisposed(); CheckHandle(); IntPtr pData = IntPtr.Zero; try { int nData = 0; SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_changeset( session, ref nData, ref pData); if (rc != SQLiteErrorCode.Ok) throw new SQLiteException(rc, "sqlite3session_changeset"); rawData = SQLiteBytes.FromIntPtr(pData, nData); } finally { if (pData != IntPtr.Zero) { SQLiteMemory.Free(pData); pData = IntPtr.Zero; } } } /////////////////////////////////////////////////////////////////////// public void CreateChangeSet( Stream stream, SQLiteConnectionFlags flags ) { CheckDisposed(); CheckHandle(); SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_changeset_strm( session, new SQLiteStreamAdapter(stream, flags).xOutput, IntPtr.Zero); if (rc != SQLiteErrorCode.Ok) throw new SQLiteException(rc, "sqlite3session_changeset_strm"); } /////////////////////////////////////////////////////////////////////// public void CreatePatchSet( ref byte[] rawData ) { CheckDisposed(); CheckHandle(); IntPtr pData = IntPtr.Zero; try { int nData = 0; SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_patchset( session, ref nData, ref pData); if (rc != SQLiteErrorCode.Ok) throw new SQLiteException(rc, "sqlite3session_patchset"); rawData = SQLiteBytes.FromIntPtr(pData, nData); } finally { if (pData != IntPtr.Zero) { SQLiteMemory.Free(pData); pData = IntPtr.Zero; } } } /////////////////////////////////////////////////////////////////////// public void CreatePatchSet( Stream stream, SQLiteConnectionFlags flags ) { CheckDisposed(); CheckHandle(); SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_patchset_strm( session, new SQLiteStreamAdapter(stream, flags).xOutput, IntPtr.Zero); if (rc != SQLiteErrorCode.Ok) throw new SQLiteException(rc, "sqlite3session_patchset_strm"); } /////////////////////////////////////////////////////////////////////// public void LoadDifferencesFromTable( string fromDatabaseName, string tableName ) { CheckDisposed(); CheckHandle(); IntPtr pError = IntPtr.Zero; try { SQLiteErrorCode rc = UnsafeNativeMethods.sqlite3session_diff( session, SQLiteString.GetUtf8BytesFromString(fromDatabaseName), SQLiteString.GetUtf8BytesFromString(tableName), ref pError); if (rc != SQLiteErrorCode.Ok) { string error = null; if (pError != IntPtr.Zero) { error = SQLiteString.StringFromUtf8IntPtr(pError); if (!String.IsNullOrEmpty(error)) { error = HelperMethods.StringFormat( CultureInfo.CurrentCulture, ": {0}", error); } } throw new SQLiteException(rc, HelperMethods.StringFormat( CultureInfo.CurrentCulture, "{0}{1}", "sqlite3session_diff", error)); } } finally { if (pError != IntPtr.Zero) { SQLiteMemory.Free(pError); pError = IntPtr.Zero; } } } #endregion /////////////////////////////////////////////////////////////////////// #region IDisposable Members public void Dispose() { Dispose(true); GC.SuppressFinalize(this); } #endregion /////////////////////////////////////////////////////////////////////// #region IDisposable "Pattern" Members private bool disposed; private void CheckDisposed() /* throw */ { #if THROW_ON_DISPOSED if (disposed) throw new ObjectDisposedException(typeof(SQLiteSession).Name); #endif } /////////////////////////////////////////////////////////////////////// private /* protected virtual */ void Dispose(bool disposing) { try { if (!disposed) { //if (disposing) //{ // //////////////////////////////////// // // dispose managed resources here... // //////////////////////////////////// //} ////////////////////////////////////// // release unmanaged resources here... ////////////////////////////////////// if (session != IntPtr.Zero) { UnsafeNativeMethods.sqlite3session_delete(session); session = IntPtr.Zero; } } } finally { // // NOTE: Everything should be fully disposed at this point. // disposed = true; } } #endregion /////////////////////////////////////////////////////////////////////// #region Destructor ~SQLiteSession() { Dispose(false); } #endregion } #endregion /////////////////////////////////////////////////////////////////////////// public sealed class SQLiteChangeSet : ISQLiteChangeSet, IDisposable { #region Private Data private SQLiteChangeSetIterator iterator; #endregion /////////////////////////////////////////////////////////////////////// internal SQLiteChangeSet( SQLiteChangeSetIterator iterator ) { this.iterator = iterator; } /////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////// #region ISQLiteChangeSet Members public bool? IsPatchSet { get { throw new NotImplementedException(); } } /////////////////////////////////////////////////////////////////////// public void Apply( SQLiteConnection connection, ConflictDelegate conflictCallback ) { throw new NotImplementedException(); } /////////////////////////////////////////////////////////////////////// public void Apply( SQLiteConnection connection, ConflictDelegate conflictCallback, TableFilterDelegate tableFilterCallback ) { throw new NotImplementedException(); } /////////////////////////////////////////////////////////////////////// public ISQLiteChangeSet Invert() { throw new NotImplementedException(); } /////////////////////////////////////////////////////////////////////// public ISQLiteChangeSet CombineWith( ISQLiteChangeSet changeSet ) { throw new NotImplementedException(); } #endregion /////////////////////////////////////////////////////////////////////// #region IDisposable Members public void Dispose() { Dispose(true); GC.SuppressFinalize(this); } #endregion /////////////////////////////////////////////////////////////////////// #region IDisposable "Pattern" Members private bool disposed; private void CheckDisposed() /* throw */ { #if THROW_ON_DISPOSED if (disposed) { throw new ObjectDisposedException( typeof(SQLiteChangeSet).Name); } #endif } /////////////////////////////////////////////////////////////////////// private /* protected virtual */ void Dispose(bool disposing) { try { if (!disposed) { if (disposing) { //////////////////////////////////// // dispose managed resources here... //////////////////////////////////// if (iterator != null) { iterator.Dispose(); iterator = null; } } ////////////////////////////////////// // release unmanaged resources here... ////////////////////////////////////// } } finally { // // NOTE: Everything should be fully disposed at this point. // disposed = true; } } #endregion /////////////////////////////////////////////////////////////////////// #region Destructor ~SQLiteChangeSet() { Dispose(false); } #endregion } /////////////////////////////////////////////////////////////////////////// public sealed class SQLiteChangeSetEnumerator : IEnumerator<ISQLiteChangeSetMetadataItem> { public SQLiteChangeSetEnumerator( ISQLiteChangeSet changeSet ) { ................................................................................ public void Reset() { throw new NotImplementedException(); } #endregion } /////////////////////////////////////////////////////////////////////////// public sealed class SQLiteChangeSetMetadataItem : ISQLiteChangeSetMetadataItem { internal SQLiteChangeSetMetadataItem(IntPtr iterator) { } ................................................................................ { get { throw new NotImplementedException(); } } #endregion } } |
Changes to System.Data.SQLite/UnsafeNativeMethods.cs.
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#endif
#endregion
///////////////////////////////////////////////////////////////////////////
#region session extension
#if INTEROP_SESSION_EXTENSION
internal delegate void xSessionFilter(IntPtr context, byte[] tblName);
internal delegate void xSessionConflict(IntPtr context, SQLiteChangeSetConflictType type, IntPtr iterator);
internal delegate void xSessionInput(IntPtr context, IntPtr pData, ref int nData);
internal delegate void xSessionOutput(IntPtr context, IntPtr pData, int nData);
///////////////////////////////////////////////////////////////////////////
#if !PLATFORM_COMPACTFRAMEWORK
[DllImport(SQLITE_DLL, CallingConvention = CallingConvention.Cdecl)]
#else
[DllImport(SQLITE_DLL)]
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| | | | |
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#endif
#endregion
///////////////////////////////////////////////////////////////////////////
#region session extension
#if INTEROP_SESSION_EXTENSION
internal delegate int xSessionFilter(IntPtr context, byte[] tblName);
internal delegate SQLiteChangeSetConflictResult xSessionConflict(IntPtr context, SQLiteChangeSetConflictType type, IntPtr iterator);
internal delegate SQLiteErrorCode xSessionInput(IntPtr context, IntPtr pData, ref int nData);
internal delegate SQLiteErrorCode xSessionOutput(IntPtr context, IntPtr pData, int nData);
///////////////////////////////////////////////////////////////////////////
#if !PLATFORM_COMPACTFRAMEWORK
[DllImport(SQLITE_DLL, CallingConvention = CallingConvention.Cdecl)]
#else
[DllImport(SQLITE_DLL)]
|