Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / EntityModel / SchemaObjectModel / OnOperation.cs / 1305376 / OnOperation.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System; using System.Diagnostics; using System.Xml; using System.Data; using System.Data.Objects.DataClasses; using System.Data.Metadata.Edm; namespace System.Data.EntityModel.SchemaObjectModel { ////// Represents an OnDelete, OnCopy, OnSecure, OnLock or OnSerialize element /// internal sealed class OnOperation : SchemaElement { private Operation _Operation; private Action _Action; ////// /// /// /// public OnOperation(RelationshipEnd parentElement, Operation operation) : base(parentElement) { Operation = operation; } ////// The operation /// public Operation Operation { get { return _Operation; } private set { _Operation = value; } } ////// The action /// public Action Action { get { return _Action; } private set { _Action = value; } } protected override bool ProhibitAttribute(string namespaceUri, string localName) { if (base.ProhibitAttribute(namespaceUri, localName)) { return true; } if (namespaceUri == null && localName == XmlConstants.Name) { return false; } return false; } protected override bool HandleAttribute(XmlReader reader) { if (base.HandleAttribute(reader)) { return true; } else if (CanHandleAttribute(reader, XmlConstants.Action)) { HandleActionAttribute(reader); return true; } return false; } ////// Handle the Action attribute /// /// reader positioned at Action attribute private void HandleActionAttribute(XmlReader reader) { Debug.Assert(reader != null); RelationshipKind relationshipKind = ParentElement.ParentElement.RelationshipKind; switch ( reader.Value.Trim() ) { case "None": Action = Action.None; break; case "Cascade": Action = Action.Cascade; break; default: AddError( ErrorCode.InvalidAction, EdmSchemaErrorSeverity.Error, reader, System.Data.Entity.Strings.InvalidAction(reader.Value, ParentElement.FQName ) ); break; } } ////// the parent element. /// private new RelationshipEnd ParentElement { get { return (RelationshipEnd)base.ParentElement; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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