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#region Copyright
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#endregion
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using System;
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using System.Collections;
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using System.Data;
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using System.Reflection;
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using Seasar.Extension.ADO;
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using Seasar.Framework.Util;
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namespace Seasar.Dao.Impl
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{
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public abstract class AbstractBeanMetaDataDataReaderHandler
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: IDataReaderHandler
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{
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private IBeanMetaData beanMetaData;
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public AbstractBeanMetaDataDataReaderHandler(IBeanMetaData beanMetaData)
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{
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this.beanMetaData = beanMetaData;
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}
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public IBeanMetaData BeanMetaData
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{
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get { return beanMetaData; }
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}
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protected object CreateRow(IDataReader reader, IList columnNames)
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{
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object row = ClassUtil.NewInstance(beanMetaData.BeanType);
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for(int i = 0; i < beanMetaData.PropertyTypeSize; ++i)
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{
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IPropertyType pt = beanMetaData.GetPropertyType(i);
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if(columnNames.Contains(pt.ColumnName))
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{
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IValueType valueType = pt.ValueType;
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PropertyInfo pi = pt.PropertyInfo;
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object value = valueType.GetValue(reader, pt.ColumnName);
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pi.SetValue(row, value, null);
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}
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else if(!pt.IsPersistent)
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{
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for(IEnumerator enu = columnNames.GetEnumerator(); enu.MoveNext();)
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{
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string columnName = (string) enu.Current;
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string columnName2 = columnName.Replace("_", "");
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if(string.Compare(columnName2, pt.ColumnName, true) == 0)
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{
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IValueType valueType = pt.ValueType;
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PropertyInfo pi = pt.PropertyInfo;
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object value = valueType.GetValue(reader, columnName);
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pi.SetValue(row, value, null);
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break;
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}
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}
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}
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}
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return row;
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}
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protected object CreateRelationRow(IDataReader reader, IRelationPropertyType rpt,
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IList columnNames, Hashtable relKeyValues)
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{
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object row = null;
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IBeanMetaData bmd = rpt.BeanMetaData;
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for(int i = 0; i < rpt.KeySize; ++i)
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{
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string columnName = rpt.GetMyKey(i);
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if(columnNames.Contains(columnName))
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{
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if(row == null) row = CreateRelationRow(rpt);
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if(relKeyValues != null && relKeyValues.ContainsKey(columnName))
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{
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object value = relKeyValues[columnName];
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IPropertyType pt = bmd.GetPropertyTypeByColumnName(rpt.GetYourKey(i));
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PropertyInfo pi = pt.PropertyInfo;
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if(value != null) pi.SetValue(row, value, null);
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}
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}
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continue;
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}
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for(int i = 0; i < bmd.PropertyTypeSize; ++i)
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{
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IPropertyType pt = bmd.GetPropertyType(i);
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string columnName = pt.ColumnName + "_" + rpt.RelationNo;
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if(!columnNames.Contains(columnName)) continue;
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if(row == null) row = CreateRelationRow(rpt);
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object value = null;
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PropertyInfo pi = pt.PropertyInfo;
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if(relKeyValues != null && relKeyValues.ContainsKey(columnName))
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{
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value = relKeyValues[columnName];
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}
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else
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{
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IValueType valueType = pt.ValueType;
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value = valueType.GetValue(reader, columnName);
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}
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if(value != null) pi.SetValue(row, value, null);
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}
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return row;
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}
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protected object CreateRelationRow(IRelationPropertyType rpt)
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{
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return ClassUtil.NewInstance(rpt.PropertyInfo.PropertyType);
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}
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protected IList CreateColumnNames(DataTable dt)
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{
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IList columnNames = new CaseInsentiveSet();
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foreach(DataRow row in dt.Rows)
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{
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string columnName = (string) row["ColumnName"];
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columnNames.Add(columnName);
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}
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return columnNames;
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}
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#region IDataReaderHandler メンバ
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0
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public virtual object Handle(System.Data.IDataReader dataReader)
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{
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return null;
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}
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#endregion
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}
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}
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