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//
// System.Data.Common.DataAdapter
//
// Author:
// Rodrigo Moya (rodrigo@ximian.com)
// Tim Coleman (tim@timcoleman.com)
//
// (C) Ximian, Inc
// Copyright (C) 2002 Tim Coleman
//
using System.ComponentModel;
using System.Data;
namespace System.Data.Common
{
/// <summary>
/// Represents a set of data commands and a database connection that are used to fill the DataSet and update the data source.
/// </summary>
public abstract class DataAdapter : Component, IDataAdapter
{
#region Fields
private bool acceptChangesDuringFill;
private bool continueUpdateOnError;
private MissingMappingAction missingMappingAction;
private MissingSchemaAction missingSchemaAction;
private DataTableMappingCollection tableMappings;
#endregion
#region Constructors
protected DataAdapter ()
{
acceptChangesDuringFill = true;
continueUpdateOnError = false;
missingMappingAction = MissingMappingAction.Passthrough;
missingSchemaAction = MissingSchemaAction.Add;
tableMappings = new DataTableMappingCollection ();
}
#endregion
#region Properties
[DataCategory ("Fill")]
[DataSysDescription ("Whether or not Fill will call DataRow.AcceptChanges.")]
[DefaultValue (true)]
public bool AcceptChangesDuringFill {
get { return acceptChangesDuringFill; }
set { acceptChangesDuringFill = value; }
}
[DataCategory ("Update")]
[DataSysDescription ("Whether or not to continue to the next DataRow when the Update events, RowUpdating and RowUpdated, Status is UpdateStatus.ErrorsOccurred.")]
[DefaultValue (false)]
public bool ContinueUpdateOnError {
get { return continueUpdateOnError; }
set { continueUpdateOnError = value; }
}
ITableMappingCollection IDataAdapter.TableMappings {
get { return TableMappings; }
}
[DataCategory ("Mapping")]
[DataSysDescription ("The action taken when a table or column in the TableMappings is missing.")]
[DefaultValue (MissingMappingAction.Passthrough)]
public MissingMappingAction MissingMappingAction {
get { return missingMappingAction; }
set { missingMappingAction = value; }
}
[DataCategory ("Mapping")]
[DataSysDescription ("The action taken when a table or column in the DataSet is missing.")]
[DefaultValue (MissingSchemaAction.Add)]
public MissingSchemaAction MissingSchemaAction {
get { return missingSchemaAction; }
set { missingSchemaAction = value; }
}
[DataCategory ("Mapping")]
[DataSysDescription ("How to map source table to DataSet table.")]
[DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
public DataTableMappingCollection TableMappings {
get { return tableMappings; }
}
#endregion
#region Methods
#if NET_1_1
[Obsolete ("Use the protected constructor instead", false)]
#endif
[MonoTODO]
protected virtual DataAdapter CloneInternals ()
{
throw new NotImplementedException ();
}
protected virtual DataTableMappingCollection CreateTableMappings ()
{
tableMappings = new DataTableMappingCollection ();
return tableMappings;
}
[MonoTODO]
protected override void Dispose (bool disposing)
{
throw new NotImplementedException ();
}
public abstract int Fill (DataSet dataSet);
public abstract DataTable[] FillSchema (DataSet dataSet, SchemaType schemaType);
public abstract IDataParameter[] GetFillParameters ();
[MonoTODO]
protected virtual bool ShouldSerializeTableMappings ()
{
throw new NotImplementedException ();
}
public abstract int Update (DataSet dataSet);
#endregion
}
}
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