53 lines
1.5 KiB
C#
53 lines
1.5 KiB
C#
//
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// Class: IDatabaseEntity
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// Current CLR: 4.0.30319.34209
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// System: Microsoft Visual Studio 10.0
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// Author: dani
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// Created: 3/2/2015 9:08:47 PM
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//
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// Copyright (c) 2015 Informatikbüro Daniel Schick. All rights reserved.
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using System;
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using System.Data;
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using System.Data.SqlClient;
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using System.Collections.Generic;
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namespace bsmd.database
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{
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public abstract class DatabaseEntity
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{
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protected Guid? id;
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protected string tablename;
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/// <summary>
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/// SQL Table name to construct queries
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/// </summary>
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public string Tablename { get { return this.tablename; } }
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/// <summary>
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/// primary key
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/// </summary>
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public Guid? Id { get { return this.id; } }
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/// <summary>
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/// IsNew Flag
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/// </summary>
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public bool IsNew { get { return !this.id.HasValue; } }
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public virtual void PrepareSave(IDbCommand cmd) { }
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public virtual void PrepareDelete(IDbCommand cmd)
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{
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SqlCommand scmd = cmd as SqlCommand;
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scmd.CommandText = string.Format("DELETE FROM {0} WHERE Id = @ID", Tablename);
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scmd.Parameters.AddWithValue("@ID", this.Id);
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}
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public abstract void PrepareLoadCommand(IDbCommand cmd, Message.LoadFilter filter, params object[] criteria);
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public abstract List<DatabaseEntity> LoadList(IDataReader reader);
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}
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}
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