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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 System.Text;
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using System.Text.RegularExpressions;
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using Seasar.Dao.Dbms;
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using Seasar.Extension.ADO;
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using Seasar.Extension.ADO.Impl;
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using Seasar.Extension.ADO.Types;
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using Seasar.Framework.Beans;
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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 class DaoMetaDataImpl : IDaoMetaData
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{
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private static readonly Regex startWithOrderByPattern =
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new Regex("(/\\[^*]+\\*/)*order by",RegexOptions.IgnoreCase);
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private static readonly string[] INSERT_NAMES = new string[]
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{ "Insert", "Create", "Add" };
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private static readonly string[] UPDATE_NAMES = new string[]
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{ "Update", "Modify", "Store" };
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private static readonly string[] DELETE_NAMES = new string[]
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{ "Delete", "Remove" };
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private const string NOT_SINGLE_ROW_UPDATED = "NotSingleRowUpdated";
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protected Type daoType;
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protected Type daoInterface;
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protected IDataSource dataSource;
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protected IDaoAnnotationReader annotationReader;
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protected ICommandFactory commandFactory;
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protected IDataReaderFactory dataReaderFactory;
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protected IDbms dbms;
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protected Type beanType;
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protected IBeanMetaData beanMetaData;
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protected Hashtable sqlCommands = new Hashtable();
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public DaoMetaDataImpl(Type daoType, IDataSource dataSource,ICommandFactory commandFactory,
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IDataReaderFactory dataReaderFactory, IDatabaseMetaData dbMetaData)
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{
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this.daoType = daoType;
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daoInterface = GetDaoInterface(daoType);
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annotationReader = new FieldAnnotationReader(daoType);
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beanType = annotationReader.GetBeanType();
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this.dataSource = dataSource;
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this.commandFactory = commandFactory;
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this.dataReaderFactory = dataReaderFactory;
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dbms = DbmsManager.GetDbms(dataSource);
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beanMetaData = new BeanMetaDataImpl(beanType, dbMetaData, dbms);
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SetupSqlCommand();
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}
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protected void SetupSqlCommand()
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{
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MethodInfo[] allMethods = daoInterface.GetMethods();
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Hashtable names = new Hashtable();
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foreach(MethodInfo mi in allMethods)
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{
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names[mi.Name] = mi;
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}
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IDictionaryEnumerator enu = names.GetEnumerator();
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while(enu.MoveNext())
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{
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try
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{
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MethodInfo method = daoType.GetMethod((string) enu.Key);
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if(method.IsAbstract) SetupMethod(method);
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}
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catch(AmbiguousMatchException) {}
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}
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}
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protected void SetupMethod(MethodInfo mi)
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{
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string sql = null;
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sql = annotationReader.GetSql(mi.Name, dbms);
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if(sql != null)
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{
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SetupMethodByManual(mi, sql);
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return;
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}
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string baseName = daoInterface.FullName + "_" + mi.Name;
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string dbmsPath = baseName + dbms.Suffix + ".sql";
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string standardPath = baseName + ".sql";
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Assembly asm = daoInterface.Assembly;
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if(ResourceUtil.IsExist(dbmsPath, asm))
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{
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sql = TextUtil.ReadText(dbmsPath, asm);
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SetupMethodByManual(mi, sql);
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}
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else if(ResourceUtil.IsExist(standardPath, asm))
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{
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sql = TextUtil.ReadText(standardPath, asm);
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SetupMethodByManual(mi, sql);
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}
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else
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{
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SetupMethodByAuto(mi);
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}
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}
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protected void SetupMethodByManual(MethodInfo mi, string sql)
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{
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if(IsSelect(mi))
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{
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SetupSelectMethodByManual(mi, sql);
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}
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else
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{
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SetupUpdateMethodByManual(mi, sql);
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}
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}
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protected void SetupMethodByAuto(MethodInfo mi)
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{
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if(IsInsert(mi.Name))
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{
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SetupInsertMethodByAuto(mi);
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}
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else if(IsUpdate(mi.Name))
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{
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SetupUpdateMethodByAuto(mi);
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}
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else if(IsDelete(mi.Name))
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{
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SetupDeleteMethodByAuto(mi);
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}
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else
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{
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SetupSelectMethodByAuto(mi);
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}
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}
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protected void SetupSelectMethodByManual(MethodInfo mi, string sql)
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{
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SelectDynamicCommand cmd = CreateSelectDynamicCommand(CreateDataReaderHandler(mi));
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cmd.Sql = sql;
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cmd.ArgNames = MethodUtil.GetParameterNames(mi);
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cmd.ArgTypes = MethodUtil.GetParameterTypes(mi);
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sqlCommands[mi.Name] = cmd;
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}
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protected SelectDynamicCommand CreateSelectDynamicCommand(IDataReaderHandler drh)
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{
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return new SelectDynamicCommand(dataSource, commandFactory, drh, dataReaderFactory);
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}
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protected SelectDynamicCommand CreateSelectDynamicCommand(
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IDataReaderHandler dataReaderHandler, string query)
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{
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SelectDynamicCommand cmd = CreateSelectDynamicCommand(dataReaderHandler);
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StringBuilder buf = new StringBuilder(255);
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if(StartsWithSelect(query))
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buf.Append(query);
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else
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{
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string sql = dbms.GetAutoSelectSql(BeanMetaData);
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buf.Append(sql);
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if(query != null)
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{
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if(StartsWithOrderBy(query))
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buf.Append(" ");
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else if(sql.LastIndexOf("WHERE") < 0)
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buf.Append(" WHERE ");
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else
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buf.Append(" AND ");
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buf.Append(query);
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}
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}
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cmd.Sql = buf.ToString();
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return cmd;
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}
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protected static bool StartsWithSelect(string query)
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{
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return StringUtil.StartWith(query, "select");
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}
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protected static bool StartsWithOrderBy(string query)
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{
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if(query != null)
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{
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if(query.Trim().ToLower().StartsWith("order by")) return true;
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}
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return false;
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}
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protected IDataReaderHandler CreateDataReaderHandler(MethodInfo mi)
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{
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if (mi.ReturnType.IsArray)
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return new BeanArrayMetaDataDataReaderHandler(beanMetaData);
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else if(typeof(IList).IsAssignableFrom(mi.ReturnType))
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return new BeanListMetaDataDataReaderHandler(beanMetaData);
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else if(IsBeanTypeAssignable(mi.ReturnType))
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return new BeanMetaDataDataReaderHandler(beanMetaData);
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else if(Array.CreateInstance(beanType, 0).GetType()
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.IsAssignableFrom(mi.ReturnType))
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return new BeanArrayMetaDataDataReaderHandler(beanMetaData);
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else
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return new ObjectDataReaderHandler();
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}
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protected bool IsBeanTypeAssignable(Type type)
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{
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return beanType.IsAssignableFrom(type) ||
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type.IsAssignableFrom(beanType);
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}
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protected void SetupUpdateMethodByManual(MethodInfo mi, string sql)
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{
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UpdateDynamicCommand cmd = new UpdateDynamicCommand(dataSource, commandFactory);
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cmd.Sql = sql;
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string[] argNames = MethodUtil.GetParameterNames(mi);
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if(argNames.Length == 0 && IsUpdateSignatureForBean(mi))
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argNames = new string[] { StringUtil.Decapitalize(beanType.Name) };
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cmd.ArgNames = argNames;
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cmd.ArgTypes = MethodUtil.GetParameterTypes(mi);
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sqlCommands[mi.Name] = cmd;
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}
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protected bool IsUpdateSignatureForBean(MethodInfo mi)
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{
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Type[] paramTypes = MethodUtil.GetParameterTypes(mi);
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return paramTypes.Length == 1
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&& IsBeanTypeAssignable(paramTypes[0]);
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}
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protected void SetupInsertMethodByAuto(MethodInfo mi)
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{
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CheckAutoUpdateMethod(mi);
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string[] propertyNames = GetPersistentPropertyNames(mi.Name);
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ISqlCommand cmd = null;
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if(IsUpdateSignatureForBean(mi))
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cmd = new InsertAutoStaticCommand(dataSource, commandFactory,
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beanMetaData, propertyNames);
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else
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0
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throw new NotSupportedException("InsertBatchAutoStaticCommand");
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sqlCommands[mi.Name] = cmd;
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}
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273
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protected void SetupUpdateMethodByAuto(MethodInfo mi)
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{
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30
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CheckAutoUpdateMethod(mi);
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30
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string[] propertyNames = GetPersistentPropertyNames(mi.Name);
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30
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AbstractSqlCommand cmd = null;
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30
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if(IsUpdateSignatureForBean(mi))
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30
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cmd = new UpdateAutoStaticCommand(dataSource, commandFactory,
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beanMetaData, propertyNames);
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else
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throw new NotSupportedException("UpdateBatchAutoStaticCommand");
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sqlCommands[mi.Name] = cmd;
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}
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287
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protected void SetupDeleteMethodByAuto(MethodInfo mi)
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{
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CheckAutoUpdateMethod(mi);
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string[] propertyNames = GetPersistentPropertyNames(mi.Name);
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ISqlCommand cmd = null;
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if(IsUpdateSignatureForBean(mi))
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cmd = new DeleteAutoStaticCommand(dataSource, commandFactory,
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beanMetaData, propertyNames);
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else
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0
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throw new NotSupportedException("DeleteBatchAutoStaticCommand");
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11
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sqlCommands[mi.Name] = cmd;
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}
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300
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protected string[] GetPersistentPropertyNames(string methodName)
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{
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68
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ArrayList names = new ArrayList();
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string[] props = annotationReader.GetNoPersistentProps(methodName);
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if(props != null)
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{
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for(int i = 0; i < beanMetaData.PropertyTypeSize; ++i)
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{
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308
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112
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IPropertyType pt = beanMetaData.GetPropertyType(i);
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112
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if(pt.IsPersistent
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&& !IsPropertyExist(props, pt.PropertyName))
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84
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names.Add(pt.PropertyName);
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}
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313
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}
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314
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else
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315
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{
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316
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54
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props = annotationReader.GetPersistentProps(methodName);
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317
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54
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if(props != null)
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{
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319
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320
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14
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foreach(string prop in props) names.Add(prop);
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28
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for(int i = 0; i < beanMetaData.PrimaryKeySize; ++i)
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{
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323
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14
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string pk = beanMetaData.GetPrimaryKey(i);
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324
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14
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IPropertyType pt = beanMetaData.GetPropertyTypeByColumnName(pk);
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325
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14
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names.Add(pt.PropertyName);
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326
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}
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327
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14
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if(beanMetaData.HasVersionNoPropertyType)
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328
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0
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names.Add(beanMetaData.VersionNoPropertyName);
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329
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14
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if(beanMetaData.HasTimestampPropertyType)
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330
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0
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names.Add(beanMetaData.TimestampPropertyName);
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331
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}
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332
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}
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333
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68
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if(names.Count == 0)
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334
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{
|
335
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287
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for(int i = 0; i < beanMetaData.PropertyTypeSize; ++i)
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336
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{
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337
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247
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IPropertyType pt = beanMetaData.GetPropertyType(i);
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338
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247
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if(pt.IsPersistent) names.Add(pt.PropertyName);
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339
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}
|
340
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}
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341
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68
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return (string[]) names.ToArray(typeof(string));
|
342
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|
}
|
343
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|
|
344
|
84
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protected bool IsPropertyExist(string[] props, string propertyName)
|
345
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|
{
|
346
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84
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foreach(string prop in props)
|
347
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{
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348
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84
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if(string.Compare(prop, propertyName, true) == 0)
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349
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0
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return true;
|
350
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}
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351
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84
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return false;
|
352
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}
|
353
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|
354
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38
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protected void SetupSelectMethodByAuto(MethodInfo mi)
|
355
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|
{
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356
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38
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string query = annotationReader.GetQuery(mi.Name);
|
357
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38
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IDataReaderHandler handler = CreateDataReaderHandler(mi);
|
358
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38
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SelectDynamicCommand cmd = null;
|
359
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38
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string[] argNames = MethodUtil.GetParameterNames(mi);
|
360
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38
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Type[] argTypes = MethodUtil.GetParameterTypes(mi);
|
361
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38
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if(query != null && !StartsWithOrderBy(query))
|
362
|
33
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cmd = CreateSelectDynamicCommand(handler, query);
|
363
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|
else
|
364
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|
{
|
365
|
5
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cmd = CreateSelectDynamicCommand(handler);
|
366
|
5
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string sql = null;
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367
|
|
|
368
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5
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if(argTypes.Length == 1 && (argTypes[0].IsPrimitive ||
|
369
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|
argTypes[0].Equals(typeof(decimal)) || argTypes[0].Equals(typeof(DateTime))
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370
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|| argTypes[0].Equals(typeof(string))))
|
371
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|
{
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372
|
0
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argNames = new string[] { "dto" };
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373
|
0
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sql = CreateAutoSelectSqlByDto(argTypes[0]);
|
374
|
|
}
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375
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|
else
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376
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5
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sql = CreateAutoSelectSql(argNames);
|
377
|
0
|
if(query != null) sql += " " + query;
|
378
|
5
|
cmd.Sql = sql;
|
379
|
|
}
|
380
|
38
|
cmd.ArgNames = argNames;
|
381
|
38
|
cmd.ArgTypes = argTypes;
|
382
|
38
|
sqlCommands[mi.Name] = cmd;
|
383
|
|
}
|
384
|
|
|
385
|
0
|
protected string CreateAutoSelectSqlByDto(Type dtoType)
|
386
|
|
{
|
387
|
|
string sql = dbms.GetAutoSelectSql(BeanMetaData);
|
388
|
|
StringBuilder buf = new StringBuilder(sql);
|
389
|
|
IDtoMetaData dmd = new DtoMetaDataImpl(dtoType);
|
390
|
|
bool began = false;
|
391
|
|
if(!(sql.LastIndexOf("WHERE") > 0))
|
392
|
|
{
|
393
|
|
buf.Append("/*BEGIN*/ WHERE ");
|
394
|
|
began = true;
|
395
|
|
}
|
396
|
|
for(int i = 0; i < dmd.PropertyTypeSize; ++i)
|
397
|
|
{
|
398
|
|
IPropertyType pt = dmd.GetPropertyType(i);
|
399
|
|
string aliasName = pt.ColumnName;
|
400
|
|
if(!beanMetaData.HasPropertyTypeByAliasName(aliasName))
|
401
|
|
continue;
|
402
|
|
if(!beanMetaData.GetPropertyTypeByAliasName(aliasName).IsPersistent)
|
403
|
|
continue;
|
404
|
|
string columnName = beanMetaData.ConvertFullColumnName(aliasName);
|
405
|
|
string propertyName = "dto." + pt.PropertyName;
|
406
|
|
buf.Append("/*IF ");
|
407
|
|
buf.Append(propertyName);
|
408
|
|
buf.Append(" != null*/");
|
409
|
|
buf.Append(" ");
|
410
|
|
if(!began || i != 0) buf.Append("AND ");
|
411
|
|
buf.Append(columnName);
|
412
|
|
buf.Append(" = /*");
|
413
|
|
buf.Append(propertyName);
|
414
|
|
buf.Append("*/null");
|
415
|
|
buf.Append("/*END*/");
|
416
|
|
}
|
417
|
|
if(began) buf.Append("/*END*/");
|
418
|
|
return buf.ToString();
|
419
|
|
}
|
420
|
|
|
421
|
5
|
protected string CreateAutoSelectSql(string[] argNames)
|
422
|
|
{
|
423
|
5
|
string sql = dbms.GetAutoSelectSql(BeanMetaData);
|
424
|
5
|
StringBuilder buf = new StringBuilder(sql);
|
425
|
5
|
if(argNames.Length != 0)
|
426
|
|
{
|
427
|
0
|
bool began = false;
|
428
|
0
|
if(!(sql.LastIndexOf("WHERE") > 0))
|
429
|
|
{
|
430
|
|
buf.Append("/*BEGIN*/ WHERE ");
|
431
|
|
began = true;
|
432
|
|
}
|
433
|
0
|
for(int i = 0; i < argNames.Length; ++i)
|
434
|
|
{
|
435
|
|
string columnName = beanMetaData.ConvertFullColumnName(argNames[i]);
|
436
|
|
buf.Append("/*IF ");
|
437
|
|
buf.Append(argNames[i]);
|
438
|
|
buf.Append(" != null*/");
|
439
|
|
buf.Append(" ");
|
440
|
|
if(!began || i != 0) buf.Append("AND ");
|
441
|
|
buf.Append(columnName);
|
442
|
|
buf.Append(" = /*");
|
443
|
|
buf.Append(argNames[i]);
|
444
|
|
buf.Append("*/null");
|
445
|
|
buf.Append("/*END*/");
|
446
|
|
}
|
447
|
0
|
if(began) buf.Append("/*END*/");
|
448
|
|
}
|
449
|
5
|
return buf.ToString();
|
450
|
|
}
|
451
|
|
|
452
|
68
|
protected void CheckAutoUpdateMethod(MethodInfo mi)
|
453
|
|
{
|
454
|
68
|
Type[] parameterTypes = MethodUtil.GetParameterTypes(mi);
|
455
|
68
|
if(parameterTypes.Length != 1
|
456
|
|
|| !IsBeanTypeAssignable(parameterTypes[0])
|
457
|
|
&& !parameterTypes[0].IsAssignableFrom(typeof(IList))
|
458
|
|
&& !parameterTypes[0].IsArray)
|
459
|
|
{
|
460
|
0
|
throw new IllegalSignatureRuntimeException("EDAO0006", mi.ToString());
|
461
|
|
}
|
462
|
|
}
|
463
|
|
|
464
|
10
|
protected bool IsSelect(MethodInfo mi)
|
465
|
|
{
|
466
|
10
|
if(IsInsert(mi.Name)) return false;
|
467
|
0
|
if(IsUpdate(mi.Name)) return false;
|
468
|
0
|
if(IsDelete(mi.Name)) return false;
|
469
|
5
|
return true;
|
470
|
|
}
|
471
|
|
|
472
|
116
|
protected bool IsInsert(string methodName)
|
473
|
|
{
|
474
|
116
|
foreach(string insertName in INSERT_NAMES)
|
475
|
|
{
|
476
|
284
|
if(methodName.StartsWith(insertName)) return true;
|
477
|
|
}
|
478
|
84
|
return false;
|
479
|
|
}
|
480
|
|
|
481
|
84
|
protected bool IsUpdate(string methodName)
|
482
|
|
{
|
483
|
84
|
foreach(string updateName in UPDATE_NAMES)
|
484
|
|
{
|
485
|
192
|
if(methodName.StartsWith(updateName)) return true;
|
486
|
|
}
|
487
|
54
|
return false;
|
488
|
|
}
|
489
|
|
|
490
|
54
|
protected bool IsDelete(string methodName)
|
491
|
|
{
|
492
|
54
|
foreach(string deleteName in DELETE_NAMES)
|
493
|
|
{
|
494
|
97
|
if(methodName.StartsWith(deleteName)) return true;
|
495
|
|
}
|
496
|
43
|
return false;
|
497
|
|
}
|
498
|
|
|
499
|
|
#region IDaoMetaData メンバ
|
500
|
|
|
501
|
0
|
public Type BeanType
|
502
|
|
{
|
503
|
|
get
|
504
|
|
{
|
505
|
|
return beanType;
|
506
|
|
}
|
507
|
|
}
|
508
|
|
|
509
|
|
public IBeanMetaData BeanMetaData
|
510
|
|
{
|
511
|
38
|
get
|
512
|
|
{
|
513
|
38
|
return beanMetaData;
|
514
|
|
}
|
515
|
|
}
|
516
|
|
|
517
|
0
|
public bool HasSqlCommand(string methodName)
|
518
|
|
{
|
519
|
|
return sqlCommands.Contains(methodName);
|
520
|
|
}
|
521
|
|
|
522
|
21
|
public ISqlCommand GetSqlCommand(string methodName)
|
523
|
|
{
|
524
|
21
|
ISqlCommand cmd = (ISqlCommand) sqlCommands[methodName];
|
525
|
21
|
if(cmd == null)
|
526
|
0
|
throw new MethodNotFoundRuntimeException(daoType,
|
527
|
|
methodName, null);
|
528
|
21
|
return cmd;
|
529
|
|
}
|
530
|
|
|
531
|
0
|
public ISqlCommand CreateFindCommand(string query)
|
532
|
|
{
|
533
|
|
return CreateSelectDynamicCommand(new BeanListMetaDataDataReaderHandler(
|
534
|
|
beanMetaData), query);
|
535
|
|
}
|
536
|
|
|
537
|
0
|
public ISqlCommand CreateFindArrayCommand(string query)
|
538
|
|
{
|
539
|
|
return CreateSelectDynamicCommand(new BeanArrayMetaDataDataReaderHandler(
|
540
|
|
beanMetaData), query);
|
541
|
|
}
|
542
|
|
|
543
|
0
|
public ISqlCommand CreateFindBeanCommand(string query)
|
544
|
|
{
|
545
|
|
return CreateSelectDynamicCommand(new BeanMetaDataDataReaderHandler(
|
546
|
|
beanMetaData), query);
|
547
|
|
}
|
548
|
|
|
549
|
0
|
public ISqlCommand CreateFindObjectCommand(string query)
|
550
|
|
{
|
551
|
|
return CreateSelectDynamicCommand(new ObjectDataReaderHandler(), query);
|
552
|
|
}
|
553
|
|
|
554
|
|
#endregion
|
555
|
|
|
556
|
18
|
public static Type GetDaoInterface(Type type)
|
557
|
|
{
|
558
|
18
|
if(type.IsInterface) return type;
|
559
|
0
|
throw new DaoNotFoundRuntimeException(type);
|
560
|
|
}
|
561
|
|
|
562
|
0
|
public IDbms Dbms
|
563
|
|
{
|
564
|
|
set { dbms = value; }
|
565
|
|
}
|
566
|
|
}
|
567
|
|
}
|
568
|
|
|