//
// System.Data.OleDb.OleDbParameter
//
-// Author:
+// Authors:
// Rodrigo Moya (rodrigo@ximian.com)
+// Tim Coleman (tim@timcoleman.com)
//
// Copyright (C) Rodrigo Moya, 2002
+// Copyright (C) Tim Coleman, 2002
//
+using System;
using System.Data;
using System.Data.Common;
+using System.ComponentModel;
namespace System.Data.OleDb
{
- public sealed class OleDbParameter : MarshalByRefObject,
- IDbDataParameter, IDataParameter, ICloneable
+ [TypeConverterAttribute (typeof (OleDbParameterConverter))]
+ public sealed class OleDbParameter : MarshalByRefObject, IDbDataParameter, IDataParameter, ICloneable
{
- private string m_name = null;
- private object m_value = null;
- private int m_size = 0;
- private bool m_isNullable = true;
- private byte m_precision = 0;
- private byte m_scale = 0;
- private DataRowVersion m_sourceVersion;
- private string m_sourceColumn = null;
- private ParameterDirection m_direction;
- private DbType m_type;
-
- /*
- * Constructors
- */
+ #region Fields
+
+ string name;
+ object value;
+ int size;
+ bool isNullable;
+ byte precision;
+ byte scale;
+ DataRowVersion sourceVersion;
+ string sourceColumn;
+ ParameterDirection direction;
+ OleDbType oleDbType;
+ DbType dbType;
+ OleDbParameterCollection container = null;
+
+ IntPtr gdaParameter;
+
+ #endregion
+
+ #region Constructors
public OleDbParameter ()
{
+ name = String.Empty;
+ value = null;
+ size = 0;
+ isNullable = true;
+ precision = 0;
+ scale = 0;
+ sourceColumn = String.Empty;
+ gdaParameter = IntPtr.Zero;
}
- public OleDbParameter (string name, object value) : this ()
+ public OleDbParameter (string name, object value)
+ : this ()
{
- m_name = name;
- m_value = value;
+ this.name = name;
+ this.value = value;
+ OleDbType = GetOleDbType (value);
}
- public OleDbParameter (string name, OleDbType type) : this ()
+ public OleDbParameter (string name, OleDbType dataType)
+ : this ()
{
- m_name = name;
- m_type = (DbType) type;
+ this.name = name;
+ OleDbType = dataType;
}
- public OleDbParameter (string name, OleDbType type, int width)
- : this (name, type)
+ public OleDbParameter (string name, OleDbType dataType, int size)
+ : this (name, dataType)
{
- m_size = width;
+ this.size = size;
}
- public OleDbParameter (string name, OleDbType type,
- int width, string src_col)
- : this (name, type, width)
+ public OleDbParameter (string name, OleDbType dataType, int size, string srcColumn)
+ : this (name, dataType, size)
{
- m_name = name;
- m_type = (DbType) type;
- m_size = width;
- m_sourceColumn = src_col;
- }
-
- public OleDbParameter(string name, OleDbType type,
- int width, ParameterDirection direction,
- bool is_nullable, byte precision,
- byte scale, string src_col,
- DataRowVersion src_version, object value)
- : this (name, type, width, src_col)
+ this.sourceColumn = srcColumn;
+ }
+
+ public OleDbParameter(string name, OleDbType dataType, int size, ParameterDirection direction, bool isNullable, byte precision, byte scale, string srcColumn, DataRowVersion srcVersion, object value)
+ : this (name, dataType, size, srcColumn)
{
- m_direction = direction;
- m_isNullable = is_nullable;
- m_precision = precision;
- m_scale = scale;
- m_sourceVersion = src_version;
- m_value = value;
+ this.direction = direction;
+ this.isNullable = isNullable;
+ this.precision = precision;
+ this.scale = scale;
+ this.sourceVersion = srcVersion;
+ this.value = value;
}
- /*
- * Properties
- */
+ #endregion
- DbType IDataParameter.DbType
- {
- get {
- return m_type;
- }
- set {
- m_type = value;
+ #region Properties
+
+ [BrowsableAttribute (false)]
+ [DataSysDescriptionAttribute ("The parameter generic type")]
+ [RefreshPropertiesAttribute (RefreshProperties.All)]
+ [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
+ public DbType DbType {
+ get { return dbType; }
+ set {
+ dbType = value;
+ oleDbType = DbTypeToOleDbType (value);
}
}
- ParameterDirection IDataParameter.Direction
- {
- get {
- return m_direction;
- }
- set {
- m_direction = value;
- }
+ public ParameterDirection Direction {
+ get { return direction; }
+ set { direction = value; }
}
- bool IDataParameter.IsNullable
- {
- get {
- return m_isNullable;
- }
+ public bool IsNullable {
+ get { return isNullable; }\r
+ set { isNullable = value; }\r
+ }
+
+ public OleDbType OleDbType {
+ get { return oleDbType; }
set {
- m_isNullable = value;
+ oleDbType = value;
+ dbType = OleDbTypeToDbType (value);
}
}
- string IDataParameter.ParameterName
- {
- get {
- return m_name;
- }
- set {
- m_name = value;
- }
+ public string ParameterName {
+ get { return name; }
+ set { name = value; }
}
- byte IDbDataParameter.Precision
- {
- get {
- return m_precision;
- }
- set {
- m_precision = value;
- }
+ public byte Precision {
+ get { return precision; }
+ set { precision = value; }
}
- byte IDbDataParameter.Scale
- {
- get {
- return m_scale;
- }
- set {
- m_scale = value;
- }
+ public byte Scale {
+ get { return scale; }
+ set { scale = value; }
}
- int IDbDataParameter.Size
- {
- get {
- return m_size;
- }
- set {
- m_size = value;
- }
+ public int Size {
+ get { return size; }
+ set { size = value; }
}
- string IDataParameter.SourceColumn
- {
- get {
- return m_sourceColumn;
- }
- set {
- m_sourceColumn = value;
- }
+ public string SourceColumn {
+ get { return sourceColumn; }
+ set { sourceColumn = value; }
}
- DataRowVersion IDataParameter.SourceVersion
- {
- get {
- return m_sourceVersion;
- }
- set {
- m_sourceVersion = value;
- }
+ public DataRowVersion SourceVersion {
+ get { return sourceVersion; }
+ set { sourceVersion = value; }
}
- object IDataParameter.Value
- {
- get {
- return m_value;
- }
- set {
- m_value = value;
- }
+ public object Value {
+ get { return value; }
+ set { this.value = value; }
+ }
+
+ // Used to ensure that only one collection can contain this
+ // parameter
+ internal OleDbParameterCollection Container {
+ get { return container; }
+ set { container = value; }
+ }
+
+
+ #endregion // Properties
+
+ #region Internal Properties
+
+ internal IntPtr GdaParameter {
+ get { return gdaParameter; }
}
- /*
- * Methods
- */
+ #endregion // Internal Properties
+
+ #region Methods
[MonoTODO]
object ICloneable.Clone ()
{
throw new NotImplementedException ();
}
+
+ public override string ToString ()
+ {
+ return ParameterName;
+ }
+
+ private OleDbType DbTypeToOleDbType (DbType dbType)
+ {
+ switch (dbType) {
+ case DbType.AnsiString :
+ return OleDbType.VarChar;
+ case DbType.AnsiStringFixedLength :
+ return OleDbType.Char;
+ case DbType.Binary :
+ return OleDbType.Binary;
+ case DbType.Boolean :
+ return OleDbType.Boolean;
+ case DbType.Byte :
+ return OleDbType.UnsignedTinyInt;
+ case DbType.Currency :
+ return OleDbType.Currency;
+ case DbType.Date :
+ return OleDbType.Date;
+ case DbType.DateTime :
+ throw new NotImplementedException ();
+ case DbType.Decimal :
+ return OleDbType.Decimal;
+ case DbType.Double :
+ return OleDbType.Double;
+ case DbType.Guid :
+ return OleDbType.Guid;
+ case DbType.Int16 :
+ return OleDbType.SmallInt;
+ case DbType.Int32 :
+ return OleDbType.Integer;
+ case DbType.Int64 :
+ return OleDbType.BigInt;
+ case DbType.Object :
+ return OleDbType.Variant;
+ case DbType.SByte :
+ return OleDbType.TinyInt;
+ case DbType.Single :
+ return OleDbType.Single;
+ case DbType.String :
+ return OleDbType.WChar;
+ case DbType.StringFixedLength :
+ return OleDbType.VarWChar;
+ case DbType.Time :
+ throw new NotImplementedException ();
+ case DbType.UInt16 :
+ return OleDbType.UnsignedSmallInt;
+ case DbType.UInt32 :
+ return OleDbType.UnsignedInt;
+ case DbType.UInt64 :
+ return OleDbType.UnsignedBigInt;
+ case DbType.VarNumeric :
+ return OleDbType.VarNumeric;
+ }
+ return OleDbType.Variant;
+ }
+
+ private DbType OleDbTypeToDbType (OleDbType oleDbType)
+ {
+ switch (oleDbType) {
+ case OleDbType.BigInt :
+ return DbType.Int64;
+ case OleDbType.Binary :
+ return DbType.Binary;
+ case OleDbType.Boolean :
+ return DbType.Boolean;
+ case OleDbType.BSTR :
+ return DbType.AnsiString;
+ case OleDbType.Char :
+ return DbType.AnsiStringFixedLength;
+ case OleDbType.Currency :
+ return DbType.Currency;
+ case OleDbType.Date :
+ return DbType.DateTime;
+ case OleDbType.DBDate :
+ return DbType.DateTime;
+ case OleDbType.DBTime :
+ throw new NotImplementedException ();
+ case OleDbType.DBTimeStamp :
+ return DbType.DateTime;
+ case OleDbType.Decimal :
+ return DbType.Decimal;
+ case OleDbType.Double :
+ return DbType.Double;
+ case OleDbType.Empty :
+ throw new NotImplementedException ();
+ case OleDbType.Error :
+ throw new NotImplementedException ();
+ case OleDbType.Filetime :
+ return DbType.DateTime;
+ case OleDbType.Guid :
+ return DbType.Guid;
+ case OleDbType.IDispatch :
+ return DbType.Object;
+ case OleDbType.Integer :
+ return DbType.Int32;
+ case OleDbType.IUnknown :
+ return DbType.Object;
+ case OleDbType.LongVarBinary :
+ return DbType.Binary;
+ case OleDbType.LongVarChar :
+ return DbType.AnsiString;
+ case OleDbType.LongVarWChar :
+ return DbType.String;
+ case OleDbType.Numeric :
+ return DbType.Decimal;
+ case OleDbType.PropVariant :
+ return DbType.Object;
+ case OleDbType.Single :
+ return DbType.Single;
+ case OleDbType.SmallInt :
+ return DbType.Int16;
+ case OleDbType.TinyInt :
+ return DbType.SByte;
+ case OleDbType.UnsignedBigInt :
+ return DbType.UInt64;
+ case OleDbType.UnsignedInt :
+ return DbType.UInt32;
+ case OleDbType.UnsignedSmallInt :
+ return DbType.UInt16;
+ case OleDbType.UnsignedTinyInt :
+ return DbType.Byte;
+ case OleDbType.VarBinary :
+ return DbType.Binary;
+ case OleDbType.VarChar :
+ return DbType.AnsiString;
+ case OleDbType.Variant :
+ return DbType.Object;
+ case OleDbType.VarNumeric :
+ return DbType.VarNumeric;
+ case OleDbType.VarWChar :
+ return DbType.StringFixedLength;
+ case OleDbType.WChar :
+ return DbType.String;
+ }
+ return DbType.Object;
+ }
+
+ private OleDbType GetOleDbType (object value)
+ {
+ if (value is Guid) return OleDbType.Guid;
+ if (value is TimeSpan) return OleDbType.DBTime;
+
+ switch (Type.GetTypeCode (value.GetType ())) {
+ case TypeCode.Boolean :
+ return OleDbType.Boolean;
+ case TypeCode.Byte :
+ if (value.GetType().IsArray)
+ return OleDbType.Binary;
+ else
+ return OleDbType.UnsignedTinyInt;
+ case TypeCode.Char :
+ return OleDbType.Char;
+ case TypeCode.DateTime :
+ return OleDbType.Date;
+ case TypeCode.DBNull :
+ return OleDbType.Empty;
+ case TypeCode.Decimal :
+ return OleDbType.Decimal;
+ case TypeCode.Double :
+ return OleDbType.Double;
+ case TypeCode.Empty :
+ return OleDbType.Empty;
+ case TypeCode.Int16 :
+ return OleDbType.SmallInt;
+ case TypeCode.Int32 :
+ return OleDbType.Integer;
+ case TypeCode.Int64 :
+ return OleDbType.BigInt;
+ case TypeCode.SByte :
+ return OleDbType.TinyInt;
+ case TypeCode.String :
+ return OleDbType.VarChar;
+ case TypeCode.Single :
+ return OleDbType.Single;
+ case TypeCode.UInt64 :
+ return OleDbType.UnsignedBigInt;
+ case TypeCode.UInt32 :
+ return OleDbType.UnsignedInt;
+ case TypeCode.UInt16 :
+ return OleDbType.UnsignedSmallInt;
+ case TypeCode.Object :
+ return OleDbType.Variant;
+ }
+ return OleDbType.IUnknown;
+ }
+
+ #endregion
}
}
projects / mono.git / blobdiff