Moved source code under src folder - massive change

2026-04-21 22:05:38 -04:00 · 2013-10-02 18:01:32 -07:00
parent 2fc8123d6b
commit 5bf0e197ec
1499 changed files with 1054 additions and 1444 deletions
@@ -0,0 +1,113 @@
+using System;
+using Marr.Data.Mapping;
+using Marr.Data.QGen.Dialects;
+
+namespace Marr.Data.QGen
+{
+    /// <summary>
+    /// This class contains the factory logic that determines which type of IQuery object should be created.
+    /// </summary>
+    internal class QueryFactory
+    {
+        private const string DB_SqlClient = "System.Data.SqlClient.SqlClientFactory";
+        private const string DB_OleDb = "System.Data.OleDb.OleDbFactory";
+        private const string DB_SqlCeClient = "System.Data.SqlServerCe.SqlCeProviderFactory";
+        private const string DB_SystemDataOracleClient = "System.Data.OracleClientFactory";
+        private const string DB_OracleDataAccessClient = "Oracle.DataAccess.Client.OracleClientFactory";
+        private const string DB_FireBirdClient = "FirebirdSql.Data.FirebirdClient.FirebirdClientFactory";
+        private const string DB_SQLiteClient = "System.Data.SQLite.SQLiteFactory";
+        
+        public static IQuery CreateUpdateQuery(ColumnMapCollection columns, IDataMapper dataMapper, string target, string whereClause)
+        {
+            Dialect dialect = CreateDialect(dataMapper);
+            return new UpdateQuery(dialect, columns, dataMapper.Command, target, whereClause);
+        }
+
+        public static IQuery CreateInsertQuery(ColumnMapCollection columns, IDataMapper dataMapper, string target)
+        {
+            Dialect dialect = CreateDialect(dataMapper);
+            return new InsertQuery(dialect, columns, dataMapper.Command, target);
+        }
+
+        public static IQuery CreateDeleteQuery(Dialect dialect, Table targetTable, string whereClause)
+        {
+            return new DeleteQuery(dialect, targetTable, whereClause);
+        }
+
+        public static IQuery CreateSelectQuery(TableCollection tables, IDataMapper dataMapper, string where, ISortQueryBuilder orderBy, bool useAltName)
+        {
+            Dialect dialect = CreateDialect(dataMapper);
+            return new SelectQuery(dialect, tables, where, orderBy, useAltName);
+        }
+
+        public static IQuery CreateRowCountSelectQuery(TableCollection tables, IDataMapper dataMapper, string where, ISortQueryBuilder orderBy, bool useAltName)
+        {
+            SelectQuery innerQuery = (SelectQuery)CreateSelectQuery(tables, dataMapper, where, orderBy, useAltName);
+
+            string providerString = dataMapper.ProviderFactory.ToString();
+            switch (providerString)
+            {
+                case DB_SqlClient:
+                    return new RowCountQueryDecorator(innerQuery);
+
+                case DB_SqlCeClient:
+                    return new RowCountQueryDecorator(innerQuery);
+
+                case DB_SQLiteClient:
+                    return new SqliteRowCountQueryDecorator(innerQuery);
+
+                default:
+                    throw new NotImplementedException("Row count has not yet been implemented for this provider.");
+            }
+        }
+
+        public static IQuery CreatePagingSelectQuery(TableCollection tables, IDataMapper dataMapper, string where, ISortQueryBuilder orderBy, bool useAltName, int skip, int take)
+        {
+            SelectQuery innerQuery = (SelectQuery)CreateSelectQuery(tables, dataMapper, where, orderBy, useAltName);
+
+            string providerString = dataMapper.ProviderFactory.ToString();
+            switch (providerString)
+            {
+                case DB_SqlClient:
+                    return new PagingQueryDecorator(innerQuery, skip, take);
+
+                case DB_SqlCeClient:
+                    return new PagingQueryDecorator(innerQuery, skip, take);
+
+                case DB_SQLiteClient:
+                    return new SqlitePagingQueryDecorator(innerQuery, skip, take);
+
+                default:
+                    throw new NotImplementedException("Paging has not yet been implemented for this provider.");
+            }
+        }
+
+        public static Dialect CreateDialect(IDataMapper dataMapper)
+        {
+            string providerString = dataMapper.ProviderFactory.ToString();
+            switch (providerString)
+            {
+                case DB_SqlClient:
+                    return new SqlServerDialect();
+
+                case DB_OracleDataAccessClient:
+                    return new OracleDialect();
+
+                case DB_SystemDataOracleClient:
+                    return new OracleDialect();
+
+                case DB_SqlCeClient:
+                    return new SqlServerCeDialect();
+
+                case DB_FireBirdClient:
+                    return new FirebirdDialect();
+
+                case DB_SQLiteClient:
+                    return new SqliteDialect();
+
+                default:
+                    return new Dialect();
+            }
+        }
+    }
+}