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NpgsqlNativeToBackendOptions.cs
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// NpgsqlTypes.NpgsqlNativeToBackendOptions.cs
//
// Author:
// Glen Parker <glenebob@gmail.com>
//
// Copyright (C) 2004 The Npgsql Development Team
// npgsql-general@gborg.postgresql.org
// http://gborg.postgresql.org/project/npgsql/projdisplay.php
//
// Permission to use, copy, modify, and distribute this software and its
// documentation for any purpose, without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph and the following two paragraphs appear in all copies.
//
// IN NO EVENT SHALL THE NPGSQL DEVELOPMENT TEAM BE LIABLE TO ANY PARTY
// FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
// INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS
// DOCUMENTATION, EVEN IF THE NPGSQL DEVELOPMENT TEAM HAS BEEN ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
//
// THE NPGSQL DEVELOPMENT TEAM SPECIFICALLY DISCLAIMS ANY WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
// ON AN "AS IS" BASIS, AND THE NPGSQL DEVELOPMENT TEAM HAS NO OBLIGATIONS
// TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
// This file provides data type converters between PostgreSQL representations
// and .NET objects.
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
using Npgsql;
namespace NpgsqlTypes
{
/// <summary>
/// Options that control certain aspects of native to backend conversions that depend
/// on backend version and status.
/// </summary>
internal class NativeToBackendTypeConverterOptions : ICloneable
{
internal static NativeToBackendTypeConverterOptions _default;
private bool IsImmutable;
private bool _UseConformantStrings;
private bool _Supports_E_StringPrefix;
private bool _SupportsHexByteFormat;
private NpgsqlBackendTypeMapping _oidToNameMapping;
static NativeToBackendTypeConverterOptions()
{
_default = new NativeToBackendTypeConverterOptions(true, false, true, false, null);
}
internal static NativeToBackendTypeConverterOptions Default
{
get
{
return _default;
}
}
private NativeToBackendTypeConverterOptions(bool Immutable, bool useConformantStrings, bool supports_E_StringPrefix, bool supportsHexByteFormat, NpgsqlBackendTypeMapping oidToNameMapping)
{
this.IsImmutable = Immutable;
this._UseConformantStrings = useConformantStrings;
this._Supports_E_StringPrefix = supports_E_StringPrefix;
this._SupportsHexByteFormat = supportsHexByteFormat;
this._oidToNameMapping = oidToNameMapping;
}
internal NativeToBackendTypeConverterOptions(bool useConformantStrings, bool supports_E_StringPrefix, bool supportsHexByteFormat, NpgsqlBackendTypeMapping oidToNameMapping)
: this(false, useConformantStrings, supports_E_StringPrefix, supportsHexByteFormat, oidToNameMapping)
{
}
/// <summary>
/// Clone the current object.
/// </summary>
/// <returns>A new NativeToBackendTypeConverterOptions object.</returns>
Object ICloneable.Clone()
{
return Clone();
}
/// <summary>
/// Clone the current object with a different OID/Name mapping.
/// </summary>
/// <param name="oidToNameMapping">OID/Name mapping object to use in the new instance.</param>
/// <returns>A new NativeToBackendTypeConverterOptions object.</returns>
internal NativeToBackendTypeConverterOptions Clone(NpgsqlBackendTypeMapping oidToNameMapping = null)
{
return new NativeToBackendTypeConverterOptions(_UseConformantStrings, _Supports_E_StringPrefix, _SupportsHexByteFormat, oidToNameMapping);
}
internal bool UseConformantStrings
{
get { return _UseConformantStrings; }
set
{
if (IsImmutable)
{
throw new InvalidOperationException("Object is immutable");
}
else
{
_UseConformantStrings = value;
}
}
}
internal bool Supports_E_StringPrefix
{
get { return _Supports_E_StringPrefix; }
set
{
if (IsImmutable)
{
throw new InvalidOperationException("Object is immutable");
}
else
{
_Supports_E_StringPrefix = value;
}
}
}
internal bool SupportsHexByteFormat
{
get { return _SupportsHexByteFormat; }
set
{
if (IsImmutable)
{
throw new InvalidOperationException("Object is immutable");
}
else
{
_SupportsHexByteFormat = value;
}
}
}
internal NpgsqlBackendTypeMapping OidToNameMapping
{
get { return _oidToNameMapping; }
set
{
if (IsImmutable)
{
throw new InvalidOperationException("Object is immutable");
}
else
{
_oidToNameMapping = value;
}
}
}
}
}