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#region Apache Notice
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#endregion
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#region Using
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using System;
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using System.Data;
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using IBatisNet.DataMapper.Configuration.ParameterMapping;
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using IBatisNet.DataMapper.Configuration.ResultMapping;
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#endregion
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namespace IBatisNet.DataMapper.TypeHandlers
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{
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internal class UnknownTypeHandler : BaseTypeHandler
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{
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private TypeHandlerFactory _factory = null;
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public UnknownTypeHandler(TypeHandlerFactory factory)
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{
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_factory = factory;
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}
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public override void SetParameter(IDataParameter dataParameter, object parameterValue, string dbType)
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{
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if (parameterValue!=null)
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{
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ITypeHandler handler = _factory.GetTypeHandler( parameterValue.GetType(), dbType );
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handler.SetParameter(dataParameter, parameterValue, dbType);
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}
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else
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{
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dataParameter.Value = System.DBNull.Value;
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}
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}
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public override object GetValueByName(ResultProperty mapping, IDataReader dataReader)
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{
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int index = dataReader.GetOrdinal(mapping.ColumnName);
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if (dataReader.IsDBNull(index) == true)
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{
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return System.DBNull.Value;
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}
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else
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{
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return dataReader.GetValue(index);
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}
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}
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public override object GetValueByIndex(ResultProperty mapping, IDataReader dataReader)
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{
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if (dataReader.IsDBNull(mapping.ColumnIndex) == true)
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{
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return System.DBNull.Value;
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}
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else
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{
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return dataReader.GetValue(mapping.ColumnIndex);
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}
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}
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public override object ValueOf(Type type, string s)
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{
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return s;
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}
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public override object GetDataBaseValue(object outputValue, Type parameterType)
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{
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return outputValue;
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}
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public override bool IsSimpleType
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{
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get
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{
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return true;
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}
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}
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public override bool Equals(object obj, string str)
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{
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if (obj == null || str == null)
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{
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return obj == str;
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}
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else
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{
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ITypeHandler handler = _factory.GetTypeHandler(obj.GetType());
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object castedObject = handler.ValueOf(obj.GetType(), str);
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return obj.Equals(castedObject);
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}
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}
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}
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}
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