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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.Text;
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using Seasar.Extension.ADO;
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namespace Seasar.Dao.Impl
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{
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public abstract class AbstractAutoStaticCommand : AbstractStaticCommand
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{
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private IPropertyType[] propertyTypes;
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public AbstractAutoStaticCommand(IDataSource dataSource,
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ICommandFactory commandFactory, IBeanMetaData beanMetaData, string[] propertyNames)
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: base(dataSource, commandFactory, beanMetaData)
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{
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SetupPropertyTypes(propertyNames);
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SetupSql();
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}
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public override object Execute(object[] args)
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{
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AbstractAutoHandler handler = CreateAutoHandler();
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handler.Sql = Sql;
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int rows = handler.Execute(args);
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if(rows != 1) throw new NotSingleRowUpdatedRuntimeException(args[0], rows);
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return rows;
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}
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protected IPropertyType[] PropertyTypes
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{
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get { return propertyTypes; }
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set { propertyTypes = value; }
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}
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protected abstract AbstractAutoHandler CreateAutoHandler();
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protected abstract void SetupPropertyTypes(string[] propertyNames);
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protected void SetupInsertPropertyTypes(string[] propertyNames)
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{
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ArrayList types = new ArrayList();
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for(int i = 0; i < propertyNames.Length; ++i)
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{
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IPropertyType pt = BeanMetaData.GetPropertyType(propertyNames[i]);
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if(pt.IsPrimaryKey && !BeanMetaData.IdentifierGenerator.IsSelfGenerate)
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1
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continue;
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types.Add(pt);
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}
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propertyTypes = (IPropertyType[]) types.ToArray(typeof(IPropertyType));
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}
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protected void SetupUpdatePropertyTypes(string[] propertyNames)
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{
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ArrayList types = new ArrayList();
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for(int i = 0; i < propertyNames.Length; ++i)
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{
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IPropertyType pt = BeanMetaData.GetPropertyType(propertyNames[i]);
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if(pt.IsPrimaryKey) continue;
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types.Add(pt);
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}
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propertyTypes = (IPropertyType[]) types.ToArray(typeof(IPropertyType));
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}
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protected virtual void SetupDeletePropertyTypes(string[] propertyNames)
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{
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}
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protected abstract void SetupSql();
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protected void SetupInsertSql()
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{
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IBeanMetaData bmd = BeanMetaData;
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StringBuilder buf = new StringBuilder(100);
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buf.Append("INSERT INTO ");
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buf.Append(bmd.TableName);
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buf.Append(" (");
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for(int i = 0; i < propertyTypes.Length; ++i)
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{
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IPropertyType pt = propertyTypes[i];
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buf.Append(pt.ColumnName);
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buf.Append(", ");
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}
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buf.Length = buf.Length - 2;
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buf.Append(") VALUES (");
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for(int i = 0; i < propertyTypes.Length; ++i)
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{
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buf.Append("@");
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buf.Append(propertyTypes[i].ColumnName);
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buf.Append(", ");
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}
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buf.Length = buf.Length - 2;
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buf.Append(")");
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Sql = buf.ToString();
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}
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protected void SetupUpdateSql()
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{
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CheckPrimaryKey();
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StringBuilder buf = new StringBuilder(100);
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buf.Append("UPDATE ");
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buf.Append(BeanMetaData.TableName);
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buf.Append(" SET ");
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for(int i = 0; i < propertyTypes.Length; ++i)
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{
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IPropertyType pt = propertyTypes[i];
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buf.Append(pt.ColumnName);
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buf.Append(" = @");
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buf.Append(pt.ColumnName);
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buf.Append(", ");
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}
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buf.Length = buf.Length - 2;
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SetupUpdateWhere(buf);
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Sql = buf.ToString();
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}
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protected void SetupDeleteSql()
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{
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CheckPrimaryKey();
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StringBuilder buf = new StringBuilder(100);
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buf.Append("DELETE FROM ");
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buf.Append(BeanMetaData.TableName);
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SetupUpdateWhere(buf);
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Sql = buf.ToString();
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}
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protected void CheckPrimaryKey()
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{
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IBeanMetaData bmd = BeanMetaData;
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if(bmd.PrimaryKeySize == 0)
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throw new PrimaryKeyNotFoundRuntimeException(bmd.BeanType);
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}
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protected void SetupUpdateWhere(StringBuilder buf)
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{
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IBeanMetaData bmd = BeanMetaData;
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buf.Append(" WHERE ");
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for(int i = 0; i < bmd.PrimaryKeySize; ++i)
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{
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buf.Append(bmd.GetPrimaryKey(i));
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buf.Append(" = @");
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buf.Append(bmd.GetPrimaryKey(i));
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buf.Append(" AND ");
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}
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buf.Length = buf.Length - 5;
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if(bmd.HasVersionNoPropertyType)
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{
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IPropertyType pt = bmd.VersionNoPropertyType;
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buf.Append(" AND ");
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buf.Append(pt.ColumnName);
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buf.Append(" = @");
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buf.Append(bmd.VersionNoBindingName);
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}
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if(bmd.HasTimestampPropertyType)
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{
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IPropertyType pt = bmd.TimestampPropertyType;
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buf.Append(" AND ");
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buf.Append(pt.ColumnName);
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buf.Append(" = @");
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buf.Append(bmd.TimestampBindingName);
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}
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}
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}
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}
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