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#region Copyright
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#endregion
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using System;
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using System.Data;
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namespace Seasar.Extension.ADO.Types
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{
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public class NullableGuidType : BaseValueType, IValueType
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{
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public NullableGuidType()
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{
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}
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#region IValueType メンバ
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public override void BindValue(IDbCommand cmd, string columnName, object value)
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{
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BindValue(cmd, columnName, value, DbType.Guid);
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}
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#endregion
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protected override object GetValue(object value)
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{
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if (value == DBNull.Value)
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{
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return null;
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}
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else if (value is Guid)
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{
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return new Nullable<Guid>((Guid) value);
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}
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else if (value is string)
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{
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return new Nullable<Guid>(new Guid((string) value));
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}
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else if (value is byte[])
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{
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return new Nullable<Guid>(new Guid((byte[]) value));
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}
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else
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{
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return new Guid(value.ToString());
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}
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}
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}
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}
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