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//------------------------------------------------------------------------------
// <copyright file="DbDataRecord.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">Microsoft</owner>
// <owner current="true" primary="false">Microsoft</owner>
//------------------------------------------------------------------------------
namespace System.Data.Common {
using System.ComponentModel;
public abstract class DbDataRecord : ICustomTypeDescriptor, IDataRecord {
protected DbDataRecord() : base() {
}
public abstract int FieldCount {
get;
}
public abstract object this[int i] {
get;
}
public abstract object this[string name] {
get;
}
public abstract bool GetBoolean(int i);
public abstract byte GetByte(int i);
public abstract long GetBytes(int i, long dataIndex, byte[] buffer, int bufferIndex, int length);
public abstract char GetChar(int i);
public abstract long GetChars(int i, long dataIndex, char[] buffer, int bufferIndex, int length);
public IDataReader GetData(int i) {
return GetDbDataReader(i);
}
virtual protected DbDataReader GetDbDataReader(int i) {
// NOTE: This method is virtual because we're required to implement
// it however most providers won't support it. Only the OLE DB
// provider supports it right now, and they can override it.
throw ADP.NotSupported();
}
public abstract string GetDataTypeName(int i);
public abstract DateTime GetDateTime(int i);
public abstract Decimal GetDecimal(int i);
public abstract double GetDouble(int i);
public abstract Type GetFieldType(int i);
public abstract float GetFloat(int i);
public abstract Guid GetGuid(int i);
public abstract Int16 GetInt16(int i);
public abstract Int32 GetInt32(int i);
public abstract Int64 GetInt64(int i);
public abstract string GetName(int i);
public abstract int GetOrdinal(string name);
public abstract string GetString(int i);
public abstract object GetValue(int i);
public abstract int GetValues(object[] values);
public abstract bool IsDBNull(int i);
//
// ICustomTypeDescriptor
//
AttributeCollection ICustomTypeDescriptor.GetAttributes() {
return new AttributeCollection((Attribute[])null);
}
string ICustomTypeDescriptor.GetClassName() {
return null;
}
string ICustomTypeDescriptor.GetComponentName() {
return null;
}
TypeConverter ICustomTypeDescriptor.GetConverter() {
return null;
}
EventDescriptor ICustomTypeDescriptor.GetDefaultEvent() {
return null;
}
PropertyDescriptor ICustomTypeDescriptor.GetDefaultProperty() {
return null;
}
object ICustomTypeDescriptor.GetEditor(Type editorBaseType) {
return null;
}
EventDescriptorCollection ICustomTypeDescriptor.GetEvents() {
return new EventDescriptorCollection(null);
}
EventDescriptorCollection ICustomTypeDescriptor.GetEvents(Attribute[] attributes) {
return new EventDescriptorCollection(null);
}
PropertyDescriptorCollection ICustomTypeDescriptor.GetProperties() {
return((ICustomTypeDescriptor)this).GetProperties(null);
}
PropertyDescriptorCollection ICustomTypeDescriptor.GetProperties(Attribute[] attributes) {
return new PropertyDescriptorCollection(null);
}
object ICustomTypeDescriptor.GetPropertyOwner(PropertyDescriptor pd) {
return this;
}
}
}
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