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//
// AggregatedAsyncOperation.cs
//
// Author:
// Lluis Sanchez Gual <lluis@novell.com>
//
// Copyright (c) 2009 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Collections.Generic;
namespace MonoDevelop.Core.ProgressMonitoring
{
public class AggregatedAsyncOperation: IAsyncOperation
{
public event OperationHandler Completed;
List<IAsyncOperation> operations = new List<IAsyncOperation> ();
bool started;
bool success = true;
bool successWithWarnings = true;
int completed;
public void Add (IAsyncOperation oper)
{
if (started)
throw new InvalidOperationException ("Can't add more operations after calling StartMonitoring");
operations.Add (oper);
}
public void StartMonitoring ()
{
started = true;
foreach (IAsyncOperation oper in operations)
oper.Completed += OperCompleted;
}
void OperCompleted (IAsyncOperation op)
{
bool raiseEvent;
lock (operations) {
completed++;
success = success && op.Success;
successWithWarnings = success && op.SuccessWithWarnings;
raiseEvent = (completed == operations.Count);
}
if (raiseEvent && Completed != null)
Completed (this);
}
public void Cancel ()
{
CheckStarted ();
lock (operations) {
foreach (IAsyncOperation op in operations)
op.Cancel ();
}
}
public void WaitForCompleted ()
{
CheckStarted ();
foreach (IAsyncOperation op in operations)
op.WaitForCompleted ();
}
public bool IsCompleted {
get {
CheckStarted ();
return completed == operations.Count;
}
}
public bool Success {
get {
CheckStarted ();
return success;
}
}
public bool SuccessWithWarnings {
get {
CheckStarted ();
return successWithWarnings;
}
}
void CheckStarted ()
{
if (!started)
throw new InvalidOperationException ("Operation not started");
}
}
}
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