// Decompiled with JetBrains decompiler // Type: Microsoft.InfoCards.DataSource // Assembly: infocard, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 // MVID: 516D8B44-4448-4D2C-8B8E-FFBB3FFE472B // Assembly location: C:\Users\Administrateur\Downloads\Virusshare-00000-msil\Virus.Win32.Expiro.w-69bb73081eac86b8cf86f45e33515d0095855636967076e2b593d7a30cd80a07.exe using Microsoft.InfoCards.Diagnostics; using System; using System.Collections.Generic; using System.Globalization; using System.Threading; namespace Microsoft.InfoCards { internal abstract class DataSource : IDisposable { private string m_instanceId; private bool m_isLoaded; private ReaderWriterLock m_lock; private bool m_isDisposed; private string m_sourceId; private bool m_isCleared; protected DataSource(string instanceId, string sourceId) { this.m_instanceId = instanceId; this.m_sourceId = sourceId; this.m_lock = new ReaderWriterLock(); } public string SourceId { get { this.ThrowIfDisposed(); return this.m_sourceId; } } public bool IsDisposed => this.m_isDisposed; public bool IsLoaded { get { this.ThrowIfDisposed(); return this.m_isLoaded; } } public bool IsCleared { get => this.m_isCleared; set => this.m_isCleared = value; } protected internal string InstanceId { get { this.ThrowIfDisposed(); return this.m_instanceId; } set { this.ThrowIfDisposed(); this.m_instanceId = value; } } public bool IsProcessingTransaction() { this.ThrowIfDisposed(); this.ThrowIfNotLoaded(); return this.m_lock.IsWriterLockHeld; } public void BeginTransaction() { this.ThrowIfWriteLockHeld(); this.ThrowIfDisposed(); this.ThrowIfNotLoaded(); this.m_lock.AcquireWriterLock(0); this.OnBeginTransaction(); } public void CommitTransaction() { this.ThrowIfDisposed(); this.ThrowIfNotLoaded(); this.ThrowIfWriteLockNotHeld(); this.OnCommitTransaction(); this.m_lock.ReleaseWriterLock(); } public void RollbackTransaction() { this.ThrowIfDisposed(); this.ThrowIfNotLoaded(); this.ThrowIfWriteLockNotHeld(); this.OnRollbackTransaction(); this.m_lock.ReleaseWriterLock(); } public void Load() { this.ThrowIfDisposed(); this.OnLoad(); this.m_isLoaded = true; } public void Clear() { this.ThrowIfLoaded(); this.ThrowIfDisposed(); this.OnClear(); this.m_isLoaded = false; this.m_isCleared = true; } public void Close() { if (!this.m_isLoaded) return; this.OnClose(); this.m_isLoaded = false; } public DataRow GetSingleRow(params QueryParameter[] objectQuery) => this.GetSingleRow(QueryDetails.FullRow, objectQuery); public DataRow GetSingleRow(QueryDetails details, params QueryParameter[] objectQuery) { IList dataRowList = this.Query(details, objectQuery); if (dataRowList == null || dataRowList.Count == 0) return (DataRow) null; return dataRowList.Count <= 1 ? dataRowList[0] : throw InfoCardTrace.ThrowHelperError((Exception) new InvalidOperationException(SR.GetString("StoreMoreThanOneRowReturnedInSingleMatchQuery"))); } public IList Query(params QueryParameter[] objectQuery) => this.Query(QueryDetails.FullRow, objectQuery); public IList Query( QueryDetails details, params QueryParameter[] objectQuery) { this.ThrowIfDisposed(); this.ThrowIfNotLoaded(); if (objectQuery == null || objectQuery.Length == 0) throw InfoCardTrace.ThrowHelperArgumentNull("query"); if (!this.IsValidQueryDetails(details)) throw InfoCardTrace.ThrowHelperError((Exception) new ArgumentException(nameof (details))); if (details == QueryDetails.None) return (IList) null; LocalIdCollection localIdCollection1 = (LocalIdCollection) null; bool flag = false; try { try { } finally { this.m_lock.AcquireReaderLock(0); flag = true; } foreach (QueryParameter match in objectQuery) { LocalIdCollection localIdCollection2 = new LocalIdCollection(); if ("localid" == match.IndexName.ToLower(CultureInfo.InvariantCulture)) { for (int index1 = 0; index1 < match.Count; ++index1) { for (int index2 = 0; index2 < match[index1].ObjectList.Length; ++index2) { int int32 = Convert.ToInt32(match[index1].ObjectList[index2], (IFormatProvider) NumberFormatInfo.InvariantInfo); localIdCollection2.Add(int32); } } } else if (!this.SingleMatch(match, localIdCollection2)) { if (localIdCollection1 != null) { localIdCollection1.Clear(); break; } break; } if (localIdCollection1 == null) localIdCollection1 = localIdCollection2; else localIdCollection1.Filter(localIdCollection2); } } finally { if (flag) this.m_lock.ReleaseReaderLock(); } if (localIdCollection1 == null || localIdCollection1.Count == 0) return (IList) null; List dataRowList = new List(localIdCollection1.Count); foreach (int key in (IEnumerable) localIdCollection1.Keys) { if (QueryDetails.Identifiers == details) dataRowList.Add(new DataRow() { LocalId = key, SourceId = this.SourceId, InstanceId = this.InstanceId }); else dataRowList.Add(this.ReadRow(key, details)); } return (IList) dataRowList; } public void Save(DataRow row) { this.ThrowIfDisposed(); this.ThrowIfNotLoaded(); this.ThrowIfWriteLockNotHeld(); if (row == null) throw InfoCardTrace.ThrowHelperArgumentNull(nameof (row)); if ((!string.IsNullOrEmpty(row.InstanceId) || !string.IsNullOrEmpty(row.SourceId)) && (string.Compare(row.InstanceId, this.InstanceId, StringComparison.Ordinal) != 0 || string.Compare(row.SourceId, this.SourceId, StringComparison.Ordinal) != 0)) throw InfoCardTrace.ThrowHelperError((Exception) new InvalidOperationException(SR.GetString("StoreRowOwnedByOtherDataSource"))); row.LastChange = DateTime.Now.ToFileTimeUtc(); this.WriteRow(row); row.InstanceId = this.InstanceId; row.SourceId = this.SourceId; } public void Delete(DataRow row) { this.ThrowIfDisposed(); this.ThrowIfNotLoaded(); this.ThrowIfWriteLockNotHeld(); if (row == null) throw InfoCardTrace.ThrowHelperArgumentNull(nameof (row)); if (row.InstanceId == null || row.SourceId == null) throw InfoCardTrace.ThrowHelperError((Exception) new InvalidOperationException(SR.GetString("StoreDataSourceRowNotOwned"))); if (string.Compare(row.InstanceId, this.InstanceId, StringComparison.Ordinal) != 0 || string.Compare(row.SourceId, this.SourceId, StringComparison.Ordinal) != 0) throw InfoCardTrace.ThrowHelperError((Exception) new InvalidOperationException(SR.GetString("StoreRowOwnedByOtherDataSource"))); this.RemoveObject(row.LocalId); } protected internal virtual bool IsValidQueryDetails(QueryDetails details) { if (QueryDetails.IndexData == (details & QueryDetails.IndexData)) return QueryDetails.FullRowAndIndexes == (details & QueryDetails.FullRowAndIndexes); if (QueryDetails.DataBlob == (details & QueryDetails.DataBlob)) return QueryDetails.FullRow == (details & QueryDetails.FullRow); if (QueryDetails.Header == (details & QueryDetails.Header)) return QueryDetails.FullHeader == (details & QueryDetails.FullHeader); return QueryDetails.Identifiers == (details & QueryDetails.Identifiers) ? QueryDetails.Identifiers == (details & QueryDetails.Identifiers) : QueryDetails.None == details; } protected internal virtual void OnBeginTransaction() => this.ThrowIfDisposed(); protected internal virtual void OnCommitTransaction() => this.ThrowIfDisposed(); protected internal virtual void OnRollbackTransaction() => this.ThrowIfDisposed(); protected internal virtual void OnLoad() => this.ThrowIfDisposed(); protected internal virtual void OnClose() => this.ThrowIfDisposed(); protected internal virtual void OnClear() => this.ThrowIfDisposed(); protected internal virtual void OnDispose() { } protected internal abstract void WriteRow(DataRow row); protected internal abstract void RemoveObject(int id); protected internal abstract DataRow ReadRow(int localId, QueryDetails details); protected internal abstract bool SingleMatch(QueryParameter match, LocalIdCollection localIds); void IDisposable.Dispose() { this.OnDispose(); this.m_isDisposed = true; } protected internal void ThrowIfWriteLockNotHeld() { if (!this.m_lock.IsWriterLockHeld) throw InfoCardTrace.ThrowHelperError((Exception) new InvalidOperationException(SR.GetString("StoreDataSourceWriteLockNotHeld"))); } protected internal void ThrowIfWriteLockHeld() { if (this.m_lock.IsWriterLockHeld) throw InfoCardTrace.ThrowHelperError((Exception) new InvalidOperationException(SR.GetString("StoreProcessingTransaction"))); } protected internal void ThrowIfNotLoaded() { if (!this.m_isLoaded) throw InfoCardTrace.ThrowHelperError((Exception) new ObjectDisposedException(nameof (DataSource))); } protected internal void ThrowIfLoaded() { if (this.m_isLoaded) throw InfoCardTrace.ThrowHelperError((Exception) new InvalidOperationException(SR.GetString("StoreIsAlreadyLoaded"))); } protected internal void ThrowIfDisposed() { if (this.m_isDisposed) throw InfoCardTrace.ThrowHelperError((Exception) new ObjectDisposedException(nameof (DataSource))); } public static QueryParameter CreateDeleteStoreTypeQuery() { QueryParameter deleteStoreTypeQuery = new QueryParameter("ix_objecttype"); foreach (int num in Enum.GetValues(typeof (StorableObjectType))) { if (num != 0) deleteStoreTypeQuery.AddMatch((object) num); } return deleteStoreTypeQuery; } } }