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//---------------------------------------------------------------------
// <copyright file="IEntityStateManager.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//
// @owner dsimmons
// @backupOwner amirhmy
//---------------------------------------------------------------------
using System;
using System.Data;
using System.Data.Objects;
using System.Data.Metadata.Edm;
using System.Collections.Generic;
namespace System.Data
{
/// <summary>
/// Interface allowing an IEntityAdapter to analyze state/change tracking information maintained
/// by a state manager in order to perform updates on a backing store (and push back the results
/// of those updates).
/// </summary>
internal interface IEntityStateManager {
IEnumerable<IEntityStateEntry> GetEntityStateEntries(EntityState state);
IEnumerable<IEntityStateEntry> FindRelationshipsByKey(EntityKey key);
IEntityStateEntry GetEntityStateEntry(EntityKey key);
bool TryGetEntityStateEntry(EntityKey key, out IEntityStateEntry stateEntry);
bool TryGetReferenceKey(EntityKey dependentKey, AssociationEndMember principalRole, out EntityKey principalKey);
}
}
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