private void FreeBTree(IDeleteContext context, int id)
{
var bTree = NewBTree(context, id);
bTree.Free(SystemTransaction(context));
bTree = null;
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
int payLoadOffset = context.ReadInt();
if (context.IsLegacyHandlerVersion())
{
context.DefragmentRecommended();
return;
}
if (payLoadOffset <= 0)
{
return;
}
int linkOffset = context.Offset();
context.Seek(payLoadOffset);
int classMetadataID = context.ReadInt();
ITypeHandler4 typeHandler = Container().ClassMetadataForID(classMetadataID).TypeHandler
();
if (typeHandler != null)
{
if (!IsPlainObject(typeHandler))
{
context.Delete(typeHandler);
}
}
context.Seek(linkOffset);
}
/// <summary>
/// Executes a request to delete rows in a table, with constraints.
/// </summary>
/// <parameters>
/// <param name="context">Description of the request.</param>
/// </parameters>
/// <returns>
/// The request result.
/// </returns>
public IDeleteResult Run(IDeleteContext context)
{
Debug.Assert(Connector != null);
Debug.Assert(Connector.IsOpen);
return(Execute(context));
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
InvalidBigSet(context);
var id = context.ReadInt();
FreeBTree(context, id);
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
int payLoadOffset = context.ReadInt();
if (context.IsLegacyHandlerVersion())
{
context.DefragmentRecommended();
return;
}
if (payLoadOffset <= 0)
{
return;
}
int linkOffset = context.Offset();
context.Seek(payLoadOffset);
int classMetadataID = context.ReadInt();
ITypeHandler4 typeHandler = Container().ClassMetadataForID(classMetadataID).TypeHandler
();
if (typeHandler != null)
{
if (!IsPlainObject(typeHandler))
{
context.Delete(typeHandler);
}
}
context.Seek(linkOffset);
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public override void Delete(IDeleteContext context)
{
if (context.IsLegacyHandlerVersion())
{
context.ReadInt();
context.DefragmentRecommended();
}
}
public override IActiveOperation <IDeleteResultInternal> Delete(IDeleteContext context)
{
IMySqlDeleteOperation Operation = new MySqlDeleteOperation(context);
return(PrepareNonQueryOperation <IDeleteContext, IMySqlDeleteOperation, IDeleteOperation, IDeleteResult, IDeleteResultInternal>(
Operation, (IDeleteOperation operation, IAsyncResult asyncResult) => new DeleteResult(operation, asyncResult),
(MySqlCommand command, IDeleteResultInternal result) => Operation.FinalizeOperation(command, result)));
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
if (!CascadeDelete(context))
{
return;
}
ForEachElement((AbstractBufferContext) context, new _IRunnable_127(this, context));
}
#pragma warning disable CS1591 // Missing XML comment for publicly visible type or member
public Task <IDeleteResult> RunAsync(IDeleteContext context)
#pragma warning restore CS1591 // Missing XML comment for publicly visible type or member
{
Debug.Assert(Connector != null);
Debug.Assert(Connector.IsOpen);
return(Task.Run(() => Execute(context)));
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
if (!CascadeDelete(context))
{
return;
}
ForEachElement((AbstractBufferContext)context, new _IRunnable_127(this, context));
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public override void Delete(IDeleteContext context)
{
if (context.IsLegacyHandlerVersion())
{
context.ReadInt();
context.DefragmentRecommended();
}
}
private void InvalidBigSet(IDeleteContext context)
{
var bigSet = (IBigSetPersistence) context.Transaction().ObjectForIdFromCache
(context.ObjectId());
if (bigSet != null)
{
bigSet.Invalidate();
}
}
private void InvalidBigSet(IDeleteContext context)
{
var bigSet = (IBigSetPersistence)context.Transaction().ObjectForIdFromCache
(context.ObjectId());
if (bigSet != null)
{
bigSet.Invalidate();
}
}
public virtual void Delete(IDeleteContext context)
{
if (!context.CascadeDelete()) return;
ITypeHandler4 handler = ReadElementTypeHandler(context, context);
int elementCount = context.ReadInt();
for (int i = elementCount; i > 0; i--)
{
handler.Delete(context);
}
}
/// <summary>
/// Executes a request to delete rows in a table, with constraints.
/// This is the synchronous implementation.
/// </summary>
/// <parameters>
/// <param name="context">Description of the request.</param>
/// </parameters>
/// <returns>
/// The request result.
/// </returns>
protected virtual IDeleteResult Execute(IDeleteContext context)
{
if (!IsOperationThreadStarted)
{
return(new DeleteResult(false, ResultError.ErrorFatalNoOperationThread));
}
IActiveOperation <IDeleteResultInternal> ActiveOperation = Connector.Delete(context);
IDeleteResultInternal Result = ActiveOperation.Result;
FinalizeOrQueue(ActiveOperation);
return(Result);
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
if (!context.CascadeDelete())
{
return;
}
KeyValueHandlerPair handlers = ReadKeyValueTypeHandlers(context, context);
int elementCount = context.ReadInt();
for (int i = elementCount; i > 0; i--)
{
handlers._keyHandler.Delete(context);
handlers._valueHandler.Delete(context);
}
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
if (!context.CascadeDelete())
{
return;
}
var handler = ReadElementTypeHandler(context, context);
var elementCount = context.ReadInt();
for (var i = elementCount; i > 0; i--)
{
handler.Delete(context);
}
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
if (!context.CascadeDelete())
{
return;
}
KeyValueHandlerPair handlers = ReadKeyValueTypeHandlers(context, context);
int elementCount = context.ReadInt();
for (int i = elementCount; i > 0; i--)
{
handlers._keyHandler.Delete(context);
handlers._valueHandler.Delete(context);
}
}
public virtual void Delete(IDeleteContext context)
{
ReadArrayHandler(context).Delete(context);
}
public abstract IActiveOperation <IDeleteResultInternal> Delete(IDeleteContext context);
public MySqlDeleteOperation(IDeleteContext context)
: base(context)
{
}
private bool CascadeDelete(IDeleteContext context)
{
// FIXME: ValueType could reference objects, shouldn't they be deleted too?
return context.CascadeDelete() && Handlers4.IsCascading(_handler);
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
context.DeleteObject();
}
public virtual void Delete(IDeleteContext context)
{
ReadArrayHandler(context).Delete(context);
}
public void Delete(IDeleteContext context)
{
var offset = context.Offset() + Const4.IdLength + Const4.LongLength;
context.Seek(offset);
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
CorrectHandlerVersion(context).Delete(context);
}
void ITypeHandler4.Delete(IDeleteContext context)
{
context.Seek(context.Offset() + LinkLength());
}
public void Delete(IDeleteContext context)
{
int offset = context.Offset() + Const4.IdLength + Const4.LongLength;
context.Seek(offset);
}
private bool CascadeDelete(IDeleteContext context)
{
// FIXME: ValueType could reference objects, shouldn't they be deleted too?
return(context.CascadeDelete() && Handlers4.IsCascading(_handler));
}
public _IRunnable_127(ArrayHandler _enclosing, IDeleteContext context)
{
this._enclosing = _enclosing;
this.context = context;
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public void Delete(IDeleteContext context)
{
}
public void Delete(IDeleteContext context)
{
context.Seek(context.Offset() + GuidSize);
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
if (!context.CascadeDelete())
{
return;
}
var handler = ReadElementTypeHandler(context, context);
var elementCount = context.ReadInt();
for (var i = elementCount; i > 0; i--)
{
handler.Delete(context);
}
}
public void Delete(IDeleteContext context)
{
context.Seek(context.Offset() + GuidSize);
}
public void Delete(IDeleteContext context)
{
context.Delete(TypeHandler());
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public void Delete(IDeleteContext context)
{
}
public virtual void Delete(IDeleteContext context)
{
context.Seek(context.Offset() + LinkLength());
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
}
public _IRunnable_127(ArrayHandler _enclosing, IDeleteContext context)
{
this._enclosing = _enclosing;
this.context = context;
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
StringHandler(context).Delete(context);
}
public void Delete(IDeleteContext context)
{
context.Delete(TypeHandler());
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
StringHandler(context).Delete(context);
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
InvalidBigSet(context);
var id = context.ReadInt();
FreeBTree(context, id);
}
public override void Delete(IDeleteContext context)
{
context.DefragmentRecommended();
}
private void FreeBTree(IDeleteContext context, int id)
{
var bTree = NewBTree(context, id);
bTree.Free(SystemTransaction(context));
bTree = null;
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
throw new NotImplementedException();
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
throw new NotImplementedException();
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public virtual void Delete(IDeleteContext context)
{
context.DeleteObject();
}
public virtual void Delete(IDeleteContext context)
{
}
void ITypeHandler4.Delete(IDeleteContext context)
{
context.Seek(context.Offset() + LinkLength());
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
public override void Delete(IDeleteContext context)
{
context.ReadSlot();
context.DefragmentRecommended();
}
public virtual void Delete(IDeleteContext context)
{
context.Seek(context.Offset() + LinkLength());
}
// #example: Delete the content
public void Delete(IDeleteContext deleteContext)
{
SkipData(deleteContext);
}
// #example: Delete the content
public void Delete(IDeleteContext deleteContext)
{
SkipData(deleteContext);
}
