109 lines
2.8 KiB
C#
109 lines
2.8 KiB
C#
#pragma warning disable 1634, 1691
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using System;
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using System.Diagnostics;
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using System.Transactions;
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using System.Collections;
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using System.Collections.Generic;
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using System.Workflow.Runtime.Hosting;
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namespace System.Workflow.Runtime
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{
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/// <summary>
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/// Volatile Resource Manager
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/// </summary>
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internal sealed class VolatileResourceManager
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{
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// members
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private WorkBatchCollection _workCollection = new WorkBatchCollection();
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private WorkBatch _mergedBatch = null;
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// constructor
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internal VolatileResourceManager()
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{
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}
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// properties
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internal WorkBatchCollection BatchCollection
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{
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get
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{
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return _workCollection;
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}
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}
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internal bool IsBatchDirty
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{
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get
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{
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IDictionaryEnumerator de = _workCollection.GetEnumerator();
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while (de.MoveNext())
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{
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WorkBatch batch = (WorkBatch)de.Value;
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if (batch.IsDirty)
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return true;
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}
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return false;
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}
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}
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WorkBatch GetMergedBatch()
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{
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return this._workCollection.GetMergedBatch();
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}
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internal void Commit()
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{
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_mergedBatch = GetMergedBatch();
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Transaction transaction = Transaction.Current;
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if (null == transaction)
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throw new InvalidOperationException(ExecutionStringManager.NullAmbientTransaction);
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// Do Commit Sequence iteration over work collection
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_mergedBatch.Commit(transaction);
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}
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internal void Complete()
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{
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try
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{
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_mergedBatch.Complete(true);
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}
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finally
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{
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if (_mergedBatch != null)
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{
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_mergedBatch.Dispose();
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_mergedBatch = null;
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}
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if (_workCollection != null)
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{
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_workCollection.ClearSubBatches();
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}
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}
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}
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internal void HandleFault()
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{
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//
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// We've failed, clear the merged batch
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if (_mergedBatch != null)
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{
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_mergedBatch.Dispose();
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_mergedBatch = null;
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}
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// clear transient batch which holds instance state primarily
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if (_workCollection != null)
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{
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_workCollection.ClearTransientBatch();
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}
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}
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internal void ClearAllBatchedWork()
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{
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if (_workCollection != null)
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_workCollection.RollbackAllBatchedWork();
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}
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}
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}
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