157 lines
4.7 KiB
C#
157 lines
4.7 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.Linq;
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using System.Linq.Expressions;
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using System.Collections.Generic;
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using System.Reflection;
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namespace bsmd.database
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{
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public abstract class DatabaseEntity : IMessageParagraph
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{
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protected Guid? id;
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protected string tablename;
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public enum ValidationBlock
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{
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BLOCK1,
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BLOCK2
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}
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#region Properties
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/// <summary>
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/// Nachrichtentyp der abgeleiteten Meldeklassen
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/// </summary>
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public Message.NotificationClass MessageNotificationClass { get; set; }
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/// <summary>
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/// Referenz zur eigentlichen Schiffankunft
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/// </summary>
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public MessageCore MessageCore { get; set; }
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/// <summary>
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/// gemeinschaftliche Daten
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/// </summary>
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public Message MessageHeader { get; set; }
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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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#endregion
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#region public funcs
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/// <summary>
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/// when it's time (during save), create id
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/// </summary>
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public void CreateId() { this.id = Guid.NewGuid(); }
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public abstract 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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public virtual void Validate(List<MessageError> errors, List<MessageViolation> violations)
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{
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errors = new List<MessageError>();
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violations = new List<MessageViolation>();
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}
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public virtual ValidationBlock GetValidationBlock()
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{
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return ValidationBlock.BLOCK1;
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}
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#endregion
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#region IMessageParagraph implementation
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public virtual string Title
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{
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get
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{
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string name = this.GetType().Name;
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return name;
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}
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}
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public virtual string Subtitle
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{
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get { return string.Empty; }
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}
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public virtual bool ShowChildrenAsTable
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{
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get { return false; }
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}
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/// <summary>
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/// must be overridden if it must make sense
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/// </summary>
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public virtual List<KeyValuePair<string, string>> MessageText
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{
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get {
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List<KeyValuePair<string, string>> result = new List<KeyValuePair<string, string>>();
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Type objType = this.GetType();
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var props = objType.GetProperties().Where(
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prop => Attribute.IsDefined(prop, typeof(ShowReportAttribute)));
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foreach (PropertyInfo property in props)
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{
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object propValue = property.GetValue(this, null);
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string value = (propValue == null) ? string.Empty : propValue.ToString();
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string displayName = property.Name;
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if(Attribute.IsDefined(property, typeof(ReportDisplayNameAttribute))) {
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ReportDisplayNameAttribute reportDisplayNameAttribute = Attribute.GetCustomAttribute(property, typeof(ReportDisplayNameAttribute))
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as ReportDisplayNameAttribute;
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displayName = reportDisplayNameAttribute.DisplayName;
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}
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result.Add(new KeyValuePair<string, string>(displayName, value));
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}
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return result;
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}
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}
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public virtual List<IMessageParagraph> ChildParagraphs { get { return null; } }
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#endregion
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}
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}
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