108 lines
4.3 KiB
C#
108 lines
4.3 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2020
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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using System;
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using System.Diagnostics;
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namespace ASC.Data.Backup.Tasks.Data
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{
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public enum RelationImportance
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{
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Low,
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Normal
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}
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[DebuggerDisplay("({ParentTable},{ParentColumn})->({ChildTable},{ChildColumn})")]
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public class RelationInfo
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{
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public string ParentTable { get; private set; }
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public string ParentColumn { get; private set; }
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public string ChildTable { get; private set; }
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public string ChildColumn { get; private set; }
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public Type ParentModule { get; private set; }
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public RelationImportance Importance { get; private set; }
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public Func<DataRowInfo, bool> CollisionResolver { get; private set; }
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public RelationInfo(string parentTable, string parentColumn, string childTable, string childColumn)
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: this(parentTable, parentColumn, childTable, childColumn, null, null)
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{
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}
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public RelationInfo(string parentTable, string parentColumn, string childTable, string childColumn, Func<DataRowInfo, bool> collisionResolver)
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: this(parentTable, parentColumn, childTable, childColumn, null, collisionResolver)
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{
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}
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public RelationInfo(string parentTable, string parentColumn, string childTable, string childColumn, Type parentModule)
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: this(parentTable, parentColumn, childTable, childColumn, parentModule, null)
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{
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}
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public RelationInfo(string parentTable, string parentColumn, string childTable, string childColumn, Type parentModule, Func<DataRowInfo, bool> collisionResolver)
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: this(parentTable, parentColumn, childTable, childColumn, parentModule, collisionResolver, RelationImportance.Normal)
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{
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}
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public RelationInfo(string parentTable, string parentColumn, string childTable, string childColumn, Type parentModule, Func<DataRowInfo, bool> collisionResolver, RelationImportance importance)
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{
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ParentTable = parentTable;
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ParentColumn = parentColumn;
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ChildTable = childTable;
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ChildColumn = childColumn;
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ParentModule = parentModule;
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CollisionResolver = collisionResolver;
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Importance = importance;
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}
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public bool FitsForTable(string tableName)
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{
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return string.Equals(tableName, ChildTable, StringComparison.InvariantCultureIgnoreCase);
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}
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public bool FitsForRow(DataRowInfo row)
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{
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return FitsForTable(row.TableName) && (CollisionResolver == null || CollisionResolver(row));
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}
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public bool IsExternal()
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{
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return ParentModule != null;
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}
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public bool IsSelfRelation()
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{
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return string.Equals(ParentTable, ChildTable, StringComparison.InvariantCultureIgnoreCase);
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}
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}
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} |