Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / DataOracleClient / System / Data / OracleClient / MetaType.cs / 1 / MetaType.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// [....]
//-----------------------------------------------------------------------------
namespace System.Data.OracleClient
{
using System;
using System.Data;
using System.Data.Common;
//---------------------------------------------------------------------
// MetaType
//
// this class defines the types of data that may be bound to Oracle,
// along with the base CLS type and other information that is necessary
// for parameter binding to work properly.
//
sealed internal class MetaType {
internal const int LongMax = Int32.MaxValue;
private const string N_BFILE = "BFILE";
private const string N_BLOB = "BLOB";
private const string N_CHAR = "CHAR";
private const string N_CLOB = "CLOB";
private const string N_DATE = "DATE";
private const string N_FLOAT = "FLOAT";
private const string N_INTEGER = "INTEGER";
private const string N_INTERVALYM = "INTERVAL YEAR TO MONTH"; // Oracle9i only
private const string N_INTERVALDS = "INTERVAL DAY TO SECOND"; // Oracle9i only
private const string N_LONG = "LONG";
private const string N_LONGRAW = "LONG RAW";
private const string N_NCHAR = "NCHAR";
private const string N_NCLOB = "NCLOB";
private const string N_NUMBER = "NUMBER";
private const string N_NVARCHAR2 = "NVARCHAR2";
private const string N_RAW = "RAW";
private const string N_REFCURSOR = "REF CURSOR";
private const string N_ROWID = "ROWID";
private const string N_TIMESTAMP = "TIMESTAMP"; // Oracle9i only
private const string N_TIMESTAMPLTZ = "TIMESTAMP WITH LOCAL TIME ZONE"; // Oracle9i only
private const string N_TIMESTAMPTZ = "TIMESTAMP WITH TIME ZONE"; // Oracle9i only
private const string N_UNSIGNEDINT = "UNSIGNED INTEGER";
private const string N_VARCHAR2 = "VARCHAR2";
static readonly MetaType[] dbTypeMetaType;
static readonly MetaType[] oracleTypeMetaType;
static internal readonly MetaType oracleTypeMetaType_LONGVARCHAR;
static internal readonly MetaType oracleTypeMetaType_LONGVARRAW;
static internal readonly MetaType oracleTypeMetaType_LONGNVARCHAR;
private readonly DbType _dbType;
private readonly OracleType _oracleType;
private readonly OCI.DATATYPE _ociType;
private readonly Type _convertToType;
private readonly Type _noConvertType;
private readonly int _bindSize;
private readonly int _maxBindSize;
private readonly string _dataTypeName;
private readonly bool _isCharacterType;
private readonly bool _isLob;
private readonly bool _isLong;
private readonly bool _usesNationalCharacterSet;
static MetaType() {
// Meta data for DbTypes
dbTypeMetaType = new MetaType[((int)DbType.StringFixedLength)+1];
// DbType OracleType OciType DataTypeName BaseType NoConvertType BindSize MaxBindSize UsesNationalCharacterSet)
dbTypeMetaType[(int)DbType.AnsiString] = new MetaType (DbType.AnsiString, OracleType.VarChar, OCI.DATATYPE.VARCHAR2, N_VARCHAR2, typeof(string), typeof(OracleString), 0, 4000, false);
dbTypeMetaType[(int)DbType.Binary] = new MetaType (DbType.Binary, OracleType.Raw, OCI.DATATYPE.RAW, N_RAW, typeof(byte[]), typeof(OracleBinary), 0, 2000, false);
dbTypeMetaType[(int)DbType.Byte] = new MetaType (DbType.Byte, OracleType.Byte, OCI.DATATYPE.UNSIGNEDINT, N_UNSIGNEDINT, typeof(Byte), typeof(Byte), 1, 1, false);
dbTypeMetaType[(int)DbType.Boolean] = new MetaType (DbType.Boolean, OracleType.Byte, OCI.DATATYPE.UNSIGNEDINT, N_UNSIGNEDINT, typeof(Byte), typeof(Byte), 1, 1, false);
dbTypeMetaType[(int)DbType.Currency] = new MetaType (DbType.Currency, OracleType.Number, OCI.DATATYPE.VARNUM, N_NUMBER, typeof(Decimal), typeof(OracleNumber), 22, 22, false);
dbTypeMetaType[(int)DbType.Date] = new MetaType (DbType.Date, OracleType.DateTime, OCI.DATATYPE.DATE, N_DATE, typeof(DateTime), typeof(OracleDateTime), 7, 7, false);
dbTypeMetaType[(int)DbType.DateTime] = new MetaType (DbType.DateTime, OracleType.DateTime, OCI.DATATYPE.DATE, N_DATE, typeof(DateTime), typeof(OracleDateTime), 7, 7, false);
dbTypeMetaType[(int)DbType.Decimal] = new MetaType (DbType.Decimal, OracleType.Number, OCI.DATATYPE.VARNUM, N_NUMBER, typeof(Decimal), typeof(OracleNumber), 22, 22, false);
dbTypeMetaType[(int)DbType.Double] = new MetaType (DbType.Double, OracleType.Double, OCI.DATATYPE.FLOAT, N_FLOAT, typeof(double), typeof(double), 8, 8, false);
dbTypeMetaType[(int)DbType.Guid] = new MetaType (DbType.Guid, OracleType.Raw, OCI.DATATYPE.RAW, N_RAW, typeof(byte[]), typeof(OracleBinary), 16, 16, false);
dbTypeMetaType[(int)DbType.Int16] = new MetaType (DbType.Int16, OracleType.Int16, OCI.DATATYPE.INTEGER, N_INTEGER, typeof(short), typeof(short), 2, 2, false);
dbTypeMetaType[(int)DbType.Int32] = new MetaType (DbType.Int32, OracleType.Int32, OCI.DATATYPE.INTEGER, N_INTEGER, typeof(int), typeof(int), 4, 4, false);
dbTypeMetaType[(int)DbType.Int64] = new MetaType (DbType.Int64, OracleType.Number, OCI.DATATYPE.VARNUM, N_NUMBER, typeof(Decimal), typeof(OracleNumber), 22, 22, false);
dbTypeMetaType[(int)DbType.Object] = new MetaType (DbType.Object, OracleType.Blob, OCI.DATATYPE.BLOB, N_BLOB, typeof(object), typeof(OracleLob), IntPtr.Size, IntPtr.Size, false);
dbTypeMetaType[(int)DbType.SByte] = new MetaType (DbType.SByte, OracleType.SByte, OCI.DATATYPE.INTEGER, N_INTEGER, typeof(sbyte), typeof(sbyte), 1, 1, false);
dbTypeMetaType[(int)DbType.Single] = new MetaType (DbType.Single, OracleType.Float, OCI.DATATYPE.FLOAT, N_FLOAT, typeof(float), typeof(float), 4, 4, false);
dbTypeMetaType[(int)DbType.String] = new MetaType (DbType.String, OracleType.NVarChar, OCI.DATATYPE.VARCHAR2, N_NVARCHAR2, typeof(string), typeof(OracleString), 0, 4000, true);
dbTypeMetaType[(int)DbType.Time] = new MetaType (DbType.Time, OracleType.DateTime, OCI.DATATYPE.DATE, N_DATE, typeof(DateTime), typeof(OracleDateTime), 7, 7, false);
dbTypeMetaType[(int)DbType.UInt16] = new MetaType (DbType.UInt16, OracleType.UInt16, OCI.DATATYPE.UNSIGNEDINT, N_UNSIGNEDINT, typeof(UInt16), typeof(UInt16), 2, 2, false);
dbTypeMetaType[(int)DbType.UInt32] = new MetaType (DbType.UInt32, OracleType.UInt32, OCI.DATATYPE.UNSIGNEDINT, N_UNSIGNEDINT, typeof(UInt32), typeof(UInt32), 4, 4, false);
dbTypeMetaType[(int)DbType.UInt64] = new MetaType (DbType.UInt64, OracleType.Number, OCI.DATATYPE.VARNUM, N_NUMBER, typeof(Decimal), typeof(OracleNumber), 22, 22, false);
dbTypeMetaType[(int)DbType.VarNumeric] = new MetaType (DbType.VarNumeric, OracleType.Number, OCI.DATATYPE.VARNUM, N_NUMBER, typeof(Decimal), typeof(OracleNumber), 22, 22, false);
dbTypeMetaType[(int)DbType.AnsiStringFixedLength] = new MetaType (DbType.AnsiStringFixedLength,OracleType.Char, OCI.DATATYPE.CHAR, N_CHAR, typeof(string), typeof(OracleString), 0, 2000, false);
dbTypeMetaType[(int)DbType.StringFixedLength] = new MetaType (DbType.StringFixedLength, OracleType.NChar, OCI.DATATYPE.CHAR, N_NCHAR, typeof(string), typeof(OracleString), 0, 2000, true);
// Meta data for OracleTypes
oracleTypeMetaType = new MetaType[((int)OracleType.Double)+1];
// DbType OracleType OciType DataTypeName BaseType NoConvertType BindSize MaxBindSize UsesNationalCharacterSet)
oracleTypeMetaType[(int)OracleType.BFile] = new MetaType (DbType.Binary, OracleType.BFile, OCI.DATATYPE.BFILE, N_BFILE, typeof(byte[]), typeof(OracleBFile), IntPtr.Size, IntPtr.Size, false);
oracleTypeMetaType[(int)OracleType.Blob] = new MetaType (DbType.Binary, OracleType.Blob, OCI.DATATYPE.BLOB, N_BLOB, typeof(byte[]), typeof(OracleLob), IntPtr.Size, IntPtr.Size, false);
oracleTypeMetaType[(int)OracleType.Char] = dbTypeMetaType[(int)DbType.AnsiStringFixedLength];
oracleTypeMetaType[(int)OracleType.Clob] = new MetaType (DbType.AnsiString, OracleType.Clob, OCI.DATATYPE.CLOB, N_CLOB, typeof(string), typeof(OracleLob), IntPtr.Size, IntPtr.Size, false);
oracleTypeMetaType[(int)OracleType.Cursor] = new MetaType (DbType.Object, OracleType.Cursor, OCI.DATATYPE.RSET, N_REFCURSOR, typeof(object), typeof(object), IntPtr.Size, IntPtr.Size, false);
oracleTypeMetaType[(int)OracleType.DateTime] = dbTypeMetaType[(int)DbType.DateTime];
oracleTypeMetaType[(int)OracleType.IntervalYearToMonth] = new MetaType (DbType.Int32, OracleType.IntervalYearToMonth,OCI.DATATYPE.INT_INTERVAL_YM,N_INTERVALYM, typeof(int), typeof(OracleMonthSpan), 5, 5, false);
oracleTypeMetaType[(int)OracleType.IntervalDayToSecond] = new MetaType (DbType.Object, OracleType.IntervalDayToSecond,OCI.DATATYPE.INT_INTERVAL_DS,N_INTERVALDS, typeof(TimeSpan), typeof(OracleTimeSpan), 11, 11, false);
oracleTypeMetaType[(int)OracleType.LongRaw] = new MetaType (DbType.Binary, OracleType.LongRaw, OCI.DATATYPE.LONGRAW, N_LONGRAW, typeof(byte[]), typeof(OracleBinary),LongMax,32700, false);
oracleTypeMetaType[(int)OracleType.LongVarChar] = new MetaType (DbType.AnsiString, OracleType.LongVarChar, OCI.DATATYPE.LONG, N_LONG, typeof(string), typeof(OracleString),LongMax,32700, false);
oracleTypeMetaType[(int)OracleType.NChar] = dbTypeMetaType[(int)DbType.StringFixedLength];
oracleTypeMetaType[(int)OracleType.NClob] = new MetaType (DbType.String, OracleType.NClob, OCI.DATATYPE.CLOB, N_NCLOB, typeof(string), typeof(OracleLob), IntPtr.Size, IntPtr.Size, true);
oracleTypeMetaType[(int)OracleType.Number] = dbTypeMetaType[(int)DbType.VarNumeric];
oracleTypeMetaType[(int)OracleType.NVarChar] = dbTypeMetaType[(int)DbType.String];
oracleTypeMetaType[(int)OracleType.Raw] = dbTypeMetaType[(int)DbType.Binary];
oracleTypeMetaType[(int)OracleType.RowId] = new MetaType (DbType.AnsiString, OracleType.RowId, OCI.DATATYPE.VARCHAR2, N_ROWID, typeof(string), typeof(OracleString), 3950, 3950, false);
oracleTypeMetaType[(int)OracleType.Timestamp] = new MetaType (DbType.DateTime, OracleType.Timestamp, OCI.DATATYPE.INT_TIMESTAMP, N_TIMESTAMP, typeof(DateTime), typeof(OracleDateTime), 11, 11, false);
oracleTypeMetaType[(int)OracleType.TimestampLocal] = new MetaType (DbType.DateTime, OracleType.TimestampLocal, OCI.DATATYPE.INT_TIMESTAMP_LTZ,N_TIMESTAMPLTZ,typeof(DateTime), typeof(OracleDateTime), 11, 11, false);
oracleTypeMetaType[(int)OracleType.TimestampWithTZ] = new MetaType (DbType.DateTime, OracleType.TimestampWithTZ, OCI.DATATYPE.INT_TIMESTAMP_TZ,N_TIMESTAMPTZ,typeof(DateTime), typeof(OracleDateTime), 13, 13, false);
oracleTypeMetaType[(int)OracleType.VarChar] = dbTypeMetaType[(int)DbType.AnsiString];
oracleTypeMetaType[(int)OracleType.Byte] = dbTypeMetaType[(int)DbType.Byte];
oracleTypeMetaType[(int)OracleType.UInt16] = dbTypeMetaType[(int)DbType.UInt16];
oracleTypeMetaType[(int)OracleType.UInt32] = dbTypeMetaType[(int)DbType.UInt32];
oracleTypeMetaType[(int)OracleType.SByte] = dbTypeMetaType[(int)DbType.SByte];
oracleTypeMetaType[(int)OracleType.Int16] = dbTypeMetaType[(int)DbType.Int16];
oracleTypeMetaType[(int)OracleType.Int32] = dbTypeMetaType[(int)DbType.Int32];
oracleTypeMetaType[(int)OracleType.Float] = dbTypeMetaType[(int)DbType.Single];
oracleTypeMetaType[(int)OracleType.Double] = dbTypeMetaType[(int)DbType.Double];
oracleTypeMetaType_LONGVARCHAR = new MetaType (DbType.AnsiString, OracleType.VarChar, OCI.DATATYPE.LONGVARCHAR, N_VARCHAR2, typeof(string), typeof(OracleString), 0, LongMax, false);
oracleTypeMetaType_LONGVARRAW = new MetaType (DbType.Binary, OracleType.Raw, OCI.DATATYPE.LONGVARRAW, N_RAW, typeof(byte[]), typeof(OracleBinary), 0, LongMax, false);
oracleTypeMetaType_LONGNVARCHAR = new MetaType (DbType.String, OracleType.NVarChar, OCI.DATATYPE.LONGVARCHAR, N_NVARCHAR2, typeof(string), typeof(OracleString), 0, LongMax, true);
}
public MetaType(
DbType dbType,
OracleType oracleType,
OCI.DATATYPE ociType,
string dataTypeName,
Type convertToType,
Type noConvertType,
int bindSize,
int maxBindSize,
bool usesNationalCharacterSet
) {
_dbType = dbType;
_oracleType = oracleType;
_ociType = ociType;
_convertToType = convertToType;
_noConvertType = noConvertType;
_bindSize = bindSize;
_maxBindSize = maxBindSize;
_dataTypeName = dataTypeName;
_usesNationalCharacterSet = usesNationalCharacterSet;
switch (oracleType) {
case OracleType.Char:
case OracleType.NChar:
case OracleType.VarChar:
case OracleType.NVarChar:
case OracleType.LongVarChar:
case OracleType.Clob:
case OracleType.NClob:
_isCharacterType = true;
break;
}
switch (oracleType) {
case OracleType.LongVarChar:
case OracleType.LongRaw:
_isLong = true;
break;
}
switch (oracleType) {
case OracleType.BFile:
case OracleType.Blob:
case OracleType.Clob:
case OracleType.NClob:
_isLob = true;
break;
}
}
internal Type BaseType { get { return _convertToType; } }
internal int BindSize { get { return _bindSize; } }
internal string DataTypeName { get { return _dataTypeName; } }
internal DbType DbType { get { return _dbType; } }
internal bool IsCharacterType { get { return _isCharacterType; } }
internal bool IsLob { get { return _isLob; } }
internal bool IsLong { get { return _isLong; } }
internal bool IsVariableLength { get { return (0 == _bindSize || LongMax == _bindSize); } }
internal int MaxBindSize { get { return _maxBindSize; } }
internal Type NoConvertType { get { return _noConvertType; } }
internal OCI.DATATYPE OciType { get { return _ociType; } }
internal OracleType OracleType { get { return _oracleType; } }
internal bool UsesNationalCharacterSet { get { return _usesNationalCharacterSet; } }
static internal MetaType GetDefaultMetaType() {
return dbTypeMetaType[(int)DbType.AnsiString];
}
static internal MetaType GetMetaTypeForObject(object value) {
Type dataType;
if (value is Type) {
dataType = (Type)value;
}
else {
dataType = value.GetType();
}
switch (Type.GetTypeCode(dataType)) {
case TypeCode.Empty: throw ADP.InvalidDataType(TypeCode.Empty);
case TypeCode.DBNull: throw ADP.InvalidDataType(TypeCode.DBNull);
case TypeCode.Boolean: return dbTypeMetaType[(int)DbType.Boolean];
case TypeCode.Char: return dbTypeMetaType[(int)DbType.Byte];
case TypeCode.SByte: return dbTypeMetaType[(int)DbType.SByte];
case TypeCode.Byte: return dbTypeMetaType[(int)DbType.Byte];
case TypeCode.Int16: return dbTypeMetaType[(int)DbType.Int16];
case TypeCode.UInt16: return dbTypeMetaType[(int)DbType.UInt16];
case TypeCode.Int32: return dbTypeMetaType[(int)DbType.Int32];
case TypeCode.UInt32: return dbTypeMetaType[(int)DbType.UInt32];
case TypeCode.Int64: return dbTypeMetaType[(int)DbType.Int64];
case TypeCode.UInt64: return dbTypeMetaType[(int)DbType.UInt64];
case TypeCode.Single: return dbTypeMetaType[(int)DbType.Single];
case TypeCode.Double: return dbTypeMetaType[(int)DbType.Double];
case TypeCode.Decimal: return dbTypeMetaType[(int)DbType.Decimal];
case TypeCode.DateTime: return dbTypeMetaType[(int)DbType.DateTime];
case TypeCode.String: return dbTypeMetaType[(int)DbType.AnsiString];
case TypeCode.Object:
if (dataType == typeof(System.Byte[])) return dbTypeMetaType[(int)DbType.Binary];
if (dataType == typeof(System.Guid)) return dbTypeMetaType[(int)DbType.Guid];
if (dataType == typeof(System.Object)) throw ADP.InvalidDataTypeForValue(dataType, Type.GetTypeCode(dataType));
if (dataType == typeof(OracleBFile)) return oracleTypeMetaType[(int)OracleType.BFile];
if (dataType == typeof(OracleBinary)) return oracleTypeMetaType[(int)OracleType.Raw];
if (dataType == typeof(OracleDateTime)) return oracleTypeMetaType[(int)OracleType.DateTime];
if (dataType == typeof(OracleNumber)) return oracleTypeMetaType[(int)OracleType.Number];
if (dataType == typeof(OracleString)) return oracleTypeMetaType[(int)OracleType.VarChar];
if (dataType == typeof(OracleLob)) {
OracleLob lob = (OracleLob) value;
switch (lob.LobType) {
case OracleType.Blob: return oracleTypeMetaType[(int)OracleType.Blob];
case OracleType.Clob: return oracleTypeMetaType[(int)OracleType.Clob];
case OracleType.NClob: return oracleTypeMetaType[(int)OracleType.NClob];
}
}
throw ADP.UnknownDataTypeCode(dataType, Type.GetTypeCode(dataType));
default: throw ADP.UnknownDataTypeCode(dataType, Type.GetTypeCode(dataType));
}
}
static internal MetaType GetMetaTypeForType(DbType dbType) {
if ((int)dbType < 0 || ((int)dbType) > (int)DbType.StringFixedLength) {
throw ADP.InvalidDbType(dbType);
}
return dbTypeMetaType[(int)dbType];
}
static internal MetaType GetMetaTypeForType(OracleType oracleType) {
if ((int)oracleType < 1 || (((int)oracleType)-1) > (int)OracleType.Double) {
throw ADP.InvalidOracleType(oracleType);
}
return oracleTypeMetaType[(int)oracleType];
}
}
};
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// [....]
//-----------------------------------------------------------------------------
namespace System.Data.OracleClient
{
using System;
using System.Data;
using System.Data.Common;
//---------------------------------------------------------------------
// MetaType
//
// this class defines the types of data that may be bound to Oracle,
// along with the base CLS type and other information that is necessary
// for parameter binding to work properly.
//
sealed internal class MetaType {
internal const int LongMax = Int32.MaxValue;
private const string N_BFILE = "BFILE";
private const string N_BLOB = "BLOB";
private const string N_CHAR = "CHAR";
private const string N_CLOB = "CLOB";
private const string N_DATE = "DATE";
private const string N_FLOAT = "FLOAT";
private const string N_INTEGER = "INTEGER";
private const string N_INTERVALYM = "INTERVAL YEAR TO MONTH"; // Oracle9i only
private const string N_INTERVALDS = "INTERVAL DAY TO SECOND"; // Oracle9i only
private const string N_LONG = "LONG";
private const string N_LONGRAW = "LONG RAW";
private const string N_NCHAR = "NCHAR";
private const string N_NCLOB = "NCLOB";
private const string N_NUMBER = "NUMBER";
private const string N_NVARCHAR2 = "NVARCHAR2";
private const string N_RAW = "RAW";
private const string N_REFCURSOR = "REF CURSOR";
private const string N_ROWID = "ROWID";
private const string N_TIMESTAMP = "TIMESTAMP"; // Oracle9i only
private const string N_TIMESTAMPLTZ = "TIMESTAMP WITH LOCAL TIME ZONE"; // Oracle9i only
private const string N_TIMESTAMPTZ = "TIMESTAMP WITH TIME ZONE"; // Oracle9i only
private const string N_UNSIGNEDINT = "UNSIGNED INTEGER";
private const string N_VARCHAR2 = "VARCHAR2";
static readonly MetaType[] dbTypeMetaType;
static readonly MetaType[] oracleTypeMetaType;
static internal readonly MetaType oracleTypeMetaType_LONGVARCHAR;
static internal readonly MetaType oracleTypeMetaType_LONGVARRAW;
static internal readonly MetaType oracleTypeMetaType_LONGNVARCHAR;
private readonly DbType _dbType;
private readonly OracleType _oracleType;
private readonly OCI.DATATYPE _ociType;
private readonly Type _convertToType;
private readonly Type _noConvertType;
private readonly int _bindSize;
private readonly int _maxBindSize;
private readonly string _dataTypeName;
private readonly bool _isCharacterType;
private readonly bool _isLob;
private readonly bool _isLong;
private readonly bool _usesNationalCharacterSet;
static MetaType() {
// Meta data for DbTypes
dbTypeMetaType = new MetaType[((int)DbType.StringFixedLength)+1];
// DbType OracleType OciType DataTypeName BaseType NoConvertType BindSize MaxBindSize UsesNationalCharacterSet)
dbTypeMetaType[(int)DbType.AnsiString] = new MetaType (DbType.AnsiString, OracleType.VarChar, OCI.DATATYPE.VARCHAR2, N_VARCHAR2, typeof(string), typeof(OracleString), 0, 4000, false);
dbTypeMetaType[(int)DbType.Binary] = new MetaType (DbType.Binary, OracleType.Raw, OCI.DATATYPE.RAW, N_RAW, typeof(byte[]), typeof(OracleBinary), 0, 2000, false);
dbTypeMetaType[(int)DbType.Byte] = new MetaType (DbType.Byte, OracleType.Byte, OCI.DATATYPE.UNSIGNEDINT, N_UNSIGNEDINT, typeof(Byte), typeof(Byte), 1, 1, false);
dbTypeMetaType[(int)DbType.Boolean] = new MetaType (DbType.Boolean, OracleType.Byte, OCI.DATATYPE.UNSIGNEDINT, N_UNSIGNEDINT, typeof(Byte), typeof(Byte), 1, 1, false);
dbTypeMetaType[(int)DbType.Currency] = new MetaType (DbType.Currency, OracleType.Number, OCI.DATATYPE.VARNUM, N_NUMBER, typeof(Decimal), typeof(OracleNumber), 22, 22, false);
dbTypeMetaType[(int)DbType.Date] = new MetaType (DbType.Date, OracleType.DateTime, OCI.DATATYPE.DATE, N_DATE, typeof(DateTime), typeof(OracleDateTime), 7, 7, false);
dbTypeMetaType[(int)DbType.DateTime] = new MetaType (DbType.DateTime, OracleType.DateTime, OCI.DATATYPE.DATE, N_DATE, typeof(DateTime), typeof(OracleDateTime), 7, 7, false);
dbTypeMetaType[(int)DbType.Decimal] = new MetaType (DbType.Decimal, OracleType.Number, OCI.DATATYPE.VARNUM, N_NUMBER, typeof(Decimal), typeof(OracleNumber), 22, 22, false);
dbTypeMetaType[(int)DbType.Double] = new MetaType (DbType.Double, OracleType.Double, OCI.DATATYPE.FLOAT, N_FLOAT, typeof(double), typeof(double), 8, 8, false);
dbTypeMetaType[(int)DbType.Guid] = new MetaType (DbType.Guid, OracleType.Raw, OCI.DATATYPE.RAW, N_RAW, typeof(byte[]), typeof(OracleBinary), 16, 16, false);
dbTypeMetaType[(int)DbType.Int16] = new MetaType (DbType.Int16, OracleType.Int16, OCI.DATATYPE.INTEGER, N_INTEGER, typeof(short), typeof(short), 2, 2, false);
dbTypeMetaType[(int)DbType.Int32] = new MetaType (DbType.Int32, OracleType.Int32, OCI.DATATYPE.INTEGER, N_INTEGER, typeof(int), typeof(int), 4, 4, false);
dbTypeMetaType[(int)DbType.Int64] = new MetaType (DbType.Int64, OracleType.Number, OCI.DATATYPE.VARNUM, N_NUMBER, typeof(Decimal), typeof(OracleNumber), 22, 22, false);
dbTypeMetaType[(int)DbType.Object] = new MetaType (DbType.Object, OracleType.Blob, OCI.DATATYPE.BLOB, N_BLOB, typeof(object), typeof(OracleLob), IntPtr.Size, IntPtr.Size, false);
dbTypeMetaType[(int)DbType.SByte] = new MetaType (DbType.SByte, OracleType.SByte, OCI.DATATYPE.INTEGER, N_INTEGER, typeof(sbyte), typeof(sbyte), 1, 1, false);
dbTypeMetaType[(int)DbType.Single] = new MetaType (DbType.Single, OracleType.Float, OCI.DATATYPE.FLOAT, N_FLOAT, typeof(float), typeof(float), 4, 4, false);
dbTypeMetaType[(int)DbType.String] = new MetaType (DbType.String, OracleType.NVarChar, OCI.DATATYPE.VARCHAR2, N_NVARCHAR2, typeof(string), typeof(OracleString), 0, 4000, true);
dbTypeMetaType[(int)DbType.Time] = new MetaType (DbType.Time, OracleType.DateTime, OCI.DATATYPE.DATE, N_DATE, typeof(DateTime), typeof(OracleDateTime), 7, 7, false);
dbTypeMetaType[(int)DbType.UInt16] = new MetaType (DbType.UInt16, OracleType.UInt16, OCI.DATATYPE.UNSIGNEDINT, N_UNSIGNEDINT, typeof(UInt16), typeof(UInt16), 2, 2, false);
dbTypeMetaType[(int)DbType.UInt32] = new MetaType (DbType.UInt32, OracleType.UInt32, OCI.DATATYPE.UNSIGNEDINT, N_UNSIGNEDINT, typeof(UInt32), typeof(UInt32), 4, 4, false);
dbTypeMetaType[(int)DbType.UInt64] = new MetaType (DbType.UInt64, OracleType.Number, OCI.DATATYPE.VARNUM, N_NUMBER, typeof(Decimal), typeof(OracleNumber), 22, 22, false);
dbTypeMetaType[(int)DbType.VarNumeric] = new MetaType (DbType.VarNumeric, OracleType.Number, OCI.DATATYPE.VARNUM, N_NUMBER, typeof(Decimal), typeof(OracleNumber), 22, 22, false);
dbTypeMetaType[(int)DbType.AnsiStringFixedLength] = new MetaType (DbType.AnsiStringFixedLength,OracleType.Char, OCI.DATATYPE.CHAR, N_CHAR, typeof(string), typeof(OracleString), 0, 2000, false);
dbTypeMetaType[(int)DbType.StringFixedLength] = new MetaType (DbType.StringFixedLength, OracleType.NChar, OCI.DATATYPE.CHAR, N_NCHAR, typeof(string), typeof(OracleString), 0, 2000, true);
// Meta data for OracleTypes
oracleTypeMetaType = new MetaType[((int)OracleType.Double)+1];
// DbType OracleType OciType DataTypeName BaseType NoConvertType BindSize MaxBindSize UsesNationalCharacterSet)
oracleTypeMetaType[(int)OracleType.BFile] = new MetaType (DbType.Binary, OracleType.BFile, OCI.DATATYPE.BFILE, N_BFILE, typeof(byte[]), typeof(OracleBFile), IntPtr.Size, IntPtr.Size, false);
oracleTypeMetaType[(int)OracleType.Blob] = new MetaType (DbType.Binary, OracleType.Blob, OCI.DATATYPE.BLOB, N_BLOB, typeof(byte[]), typeof(OracleLob), IntPtr.Size, IntPtr.Size, false);
oracleTypeMetaType[(int)OracleType.Char] = dbTypeMetaType[(int)DbType.AnsiStringFixedLength];
oracleTypeMetaType[(int)OracleType.Clob] = new MetaType (DbType.AnsiString, OracleType.Clob, OCI.DATATYPE.CLOB, N_CLOB, typeof(string), typeof(OracleLob), IntPtr.Size, IntPtr.Size, false);
oracleTypeMetaType[(int)OracleType.Cursor] = new MetaType (DbType.Object, OracleType.Cursor, OCI.DATATYPE.RSET, N_REFCURSOR, typeof(object), typeof(object), IntPtr.Size, IntPtr.Size, false);
oracleTypeMetaType[(int)OracleType.DateTime] = dbTypeMetaType[(int)DbType.DateTime];
oracleTypeMetaType[(int)OracleType.IntervalYearToMonth] = new MetaType (DbType.Int32, OracleType.IntervalYearToMonth,OCI.DATATYPE.INT_INTERVAL_YM,N_INTERVALYM, typeof(int), typeof(OracleMonthSpan), 5, 5, false);
oracleTypeMetaType[(int)OracleType.IntervalDayToSecond] = new MetaType (DbType.Object, OracleType.IntervalDayToSecond,OCI.DATATYPE.INT_INTERVAL_DS,N_INTERVALDS, typeof(TimeSpan), typeof(OracleTimeSpan), 11, 11, false);
oracleTypeMetaType[(int)OracleType.LongRaw] = new MetaType (DbType.Binary, OracleType.LongRaw, OCI.DATATYPE.LONGRAW, N_LONGRAW, typeof(byte[]), typeof(OracleBinary),LongMax,32700, false);
oracleTypeMetaType[(int)OracleType.LongVarChar] = new MetaType (DbType.AnsiString, OracleType.LongVarChar, OCI.DATATYPE.LONG, N_LONG, typeof(string), typeof(OracleString),LongMax,32700, false);
oracleTypeMetaType[(int)OracleType.NChar] = dbTypeMetaType[(int)DbType.StringFixedLength];
oracleTypeMetaType[(int)OracleType.NClob] = new MetaType (DbType.String, OracleType.NClob, OCI.DATATYPE.CLOB, N_NCLOB, typeof(string), typeof(OracleLob), IntPtr.Size, IntPtr.Size, true);
oracleTypeMetaType[(int)OracleType.Number] = dbTypeMetaType[(int)DbType.VarNumeric];
oracleTypeMetaType[(int)OracleType.NVarChar] = dbTypeMetaType[(int)DbType.String];
oracleTypeMetaType[(int)OracleType.Raw] = dbTypeMetaType[(int)DbType.Binary];
oracleTypeMetaType[(int)OracleType.RowId] = new MetaType (DbType.AnsiString, OracleType.RowId, OCI.DATATYPE.VARCHAR2, N_ROWID, typeof(string), typeof(OracleString), 3950, 3950, false);
oracleTypeMetaType[(int)OracleType.Timestamp] = new MetaType (DbType.DateTime, OracleType.Timestamp, OCI.DATATYPE.INT_TIMESTAMP, N_TIMESTAMP, typeof(DateTime), typeof(OracleDateTime), 11, 11, false);
oracleTypeMetaType[(int)OracleType.TimestampLocal] = new MetaType (DbType.DateTime, OracleType.TimestampLocal, OCI.DATATYPE.INT_TIMESTAMP_LTZ,N_TIMESTAMPLTZ,typeof(DateTime), typeof(OracleDateTime), 11, 11, false);
oracleTypeMetaType[(int)OracleType.TimestampWithTZ] = new MetaType (DbType.DateTime, OracleType.TimestampWithTZ, OCI.DATATYPE.INT_TIMESTAMP_TZ,N_TIMESTAMPTZ,typeof(DateTime), typeof(OracleDateTime), 13, 13, false);
oracleTypeMetaType[(int)OracleType.VarChar] = dbTypeMetaType[(int)DbType.AnsiString];
oracleTypeMetaType[(int)OracleType.Byte] = dbTypeMetaType[(int)DbType.Byte];
oracleTypeMetaType[(int)OracleType.UInt16] = dbTypeMetaType[(int)DbType.UInt16];
oracleTypeMetaType[(int)OracleType.UInt32] = dbTypeMetaType[(int)DbType.UInt32];
oracleTypeMetaType[(int)OracleType.SByte] = dbTypeMetaType[(int)DbType.SByte];
oracleTypeMetaType[(int)OracleType.Int16] = dbTypeMetaType[(int)DbType.Int16];
oracleTypeMetaType[(int)OracleType.Int32] = dbTypeMetaType[(int)DbType.Int32];
oracleTypeMetaType[(int)OracleType.Float] = dbTypeMetaType[(int)DbType.Single];
oracleTypeMetaType[(int)OracleType.Double] = dbTypeMetaType[(int)DbType.Double];
oracleTypeMetaType_LONGVARCHAR = new MetaType (DbType.AnsiString, OracleType.VarChar, OCI.DATATYPE.LONGVARCHAR, N_VARCHAR2, typeof(string), typeof(OracleString), 0, LongMax, false);
oracleTypeMetaType_LONGVARRAW = new MetaType (DbType.Binary, OracleType.Raw, OCI.DATATYPE.LONGVARRAW, N_RAW, typeof(byte[]), typeof(OracleBinary), 0, LongMax, false);
oracleTypeMetaType_LONGNVARCHAR = new MetaType (DbType.String, OracleType.NVarChar, OCI.DATATYPE.LONGVARCHAR, N_NVARCHAR2, typeof(string), typeof(OracleString), 0, LongMax, true);
}
public MetaType(
DbType dbType,
OracleType oracleType,
OCI.DATATYPE ociType,
string dataTypeName,
Type convertToType,
Type noConvertType,
int bindSize,
int maxBindSize,
bool usesNationalCharacterSet
) {
_dbType = dbType;
_oracleType = oracleType;
_ociType = ociType;
_convertToType = convertToType;
_noConvertType = noConvertType;
_bindSize = bindSize;
_maxBindSize = maxBindSize;
_dataTypeName = dataTypeName;
_usesNationalCharacterSet = usesNationalCharacterSet;
switch (oracleType) {
case OracleType.Char:
case OracleType.NChar:
case OracleType.VarChar:
case OracleType.NVarChar:
case OracleType.LongVarChar:
case OracleType.Clob:
case OracleType.NClob:
_isCharacterType = true;
break;
}
switch (oracleType) {
case OracleType.LongVarChar:
case OracleType.LongRaw:
_isLong = true;
break;
}
switch (oracleType) {
case OracleType.BFile:
case OracleType.Blob:
case OracleType.Clob:
case OracleType.NClob:
_isLob = true;
break;
}
}
internal Type BaseType { get { return _convertToType; } }
internal int BindSize { get { return _bindSize; } }
internal string DataTypeName { get { return _dataTypeName; } }
internal DbType DbType { get { return _dbType; } }
internal bool IsCharacterType { get { return _isCharacterType; } }
internal bool IsLob { get { return _isLob; } }
internal bool IsLong { get { return _isLong; } }
internal bool IsVariableLength { get { return (0 == _bindSize || LongMax == _bindSize); } }
internal int MaxBindSize { get { return _maxBindSize; } }
internal Type NoConvertType { get { return _noConvertType; } }
internal OCI.DATATYPE OciType { get { return _ociType; } }
internal OracleType OracleType { get { return _oracleType; } }
internal bool UsesNationalCharacterSet { get { return _usesNationalCharacterSet; } }
static internal MetaType GetDefaultMetaType() {
return dbTypeMetaType[(int)DbType.AnsiString];
}
static internal MetaType GetMetaTypeForObject(object value) {
Type dataType;
if (value is Type) {
dataType = (Type)value;
}
else {
dataType = value.GetType();
}
switch (Type.GetTypeCode(dataType)) {
case TypeCode.Empty: throw ADP.InvalidDataType(TypeCode.Empty);
case TypeCode.DBNull: throw ADP.InvalidDataType(TypeCode.DBNull);
case TypeCode.Boolean: return dbTypeMetaType[(int)DbType.Boolean];
case TypeCode.Char: return dbTypeMetaType[(int)DbType.Byte];
case TypeCode.SByte: return dbTypeMetaType[(int)DbType.SByte];
case TypeCode.Byte: return dbTypeMetaType[(int)DbType.Byte];
case TypeCode.Int16: return dbTypeMetaType[(int)DbType.Int16];
case TypeCode.UInt16: return dbTypeMetaType[(int)DbType.UInt16];
case TypeCode.Int32: return dbTypeMetaType[(int)DbType.Int32];
case TypeCode.UInt32: return dbTypeMetaType[(int)DbType.UInt32];
case TypeCode.Int64: return dbTypeMetaType[(int)DbType.Int64];
case TypeCode.UInt64: return dbTypeMetaType[(int)DbType.UInt64];
case TypeCode.Single: return dbTypeMetaType[(int)DbType.Single];
case TypeCode.Double: return dbTypeMetaType[(int)DbType.Double];
case TypeCode.Decimal: return dbTypeMetaType[(int)DbType.Decimal];
case TypeCode.DateTime: return dbTypeMetaType[(int)DbType.DateTime];
case TypeCode.String: return dbTypeMetaType[(int)DbType.AnsiString];
case TypeCode.Object:
if (dataType == typeof(System.Byte[])) return dbTypeMetaType[(int)DbType.Binary];
if (dataType == typeof(System.Guid)) return dbTypeMetaType[(int)DbType.Guid];
if (dataType == typeof(System.Object)) throw ADP.InvalidDataTypeForValue(dataType, Type.GetTypeCode(dataType));
if (dataType == typeof(OracleBFile)) return oracleTypeMetaType[(int)OracleType.BFile];
if (dataType == typeof(OracleBinary)) return oracleTypeMetaType[(int)OracleType.Raw];
if (dataType == typeof(OracleDateTime)) return oracleTypeMetaType[(int)OracleType.DateTime];
if (dataType == typeof(OracleNumber)) return oracleTypeMetaType[(int)OracleType.Number];
if (dataType == typeof(OracleString)) return oracleTypeMetaType[(int)OracleType.VarChar];
if (dataType == typeof(OracleLob)) {
OracleLob lob = (OracleLob) value;
switch (lob.LobType) {
case OracleType.Blob: return oracleTypeMetaType[(int)OracleType.Blob];
case OracleType.Clob: return oracleTypeMetaType[(int)OracleType.Clob];
case OracleType.NClob: return oracleTypeMetaType[(int)OracleType.NClob];
}
}
throw ADP.UnknownDataTypeCode(dataType, Type.GetTypeCode(dataType));
default: throw ADP.UnknownDataTypeCode(dataType, Type.GetTypeCode(dataType));
}
}
static internal MetaType GetMetaTypeForType(DbType dbType) {
if ((int)dbType < 0 || ((int)dbType) > (int)DbType.StringFixedLength) {
throw ADP.InvalidDbType(dbType);
}
return dbTypeMetaType[(int)dbType];
}
static internal MetaType GetMetaTypeForType(OracleType oracleType) {
if ((int)oracleType < 1 || (((int)oracleType)-1) > (int)OracleType.Double) {
throw ADP.InvalidOracleType(oracleType);
}
return oracleTypeMetaType[(int)oracleType];
}
}
};
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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