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using System;
using System.Threading;
namespace Amib.Threading.Internal
{
public abstract class WorkItemsGroupBase : IWorkItemsGroup
{
#region Private Fields
/// <summary>
/// Contains the name of this instance of SmartThreadPool.
/// Can be changed by the user.
/// </summary>
private string _name = "WorkItemsGroupBase";
public WorkItemsGroupBase()
{
IsIdle = true;
}
#endregion
#region IWorkItemsGroup Members
#region Public Methods
/// <summary>
/// Get/Set the name of the SmartThreadPool/WorkItemsGroup instance
/// </summary>
public string Name
{
get { return _name; }
set { _name = value; }
}
#endregion
#region Abstract Methods
public abstract int Concurrency { get; set; }
public abstract int WaitingCallbacks { get; }
public abstract object[] GetStates();
public abstract WIGStartInfo WIGStartInfo { get; }
public abstract void Start();
public abstract void Cancel(bool abortExecution);
public abstract bool WaitForIdle(int millisecondsTimeout);
public abstract event WorkItemsGroupIdleHandler OnIdle;
internal abstract void Enqueue(WorkItem workItem);
internal virtual void PreQueueWorkItem() { }
#endregion
#region Common Base Methods
/// <summary>
/// Cancel all the work items.
/// Same as Cancel(false)
/// </summary>
public virtual void Cancel()
{
Cancel(false);
}
/// <summary>
/// Wait for the SmartThreadPool/WorkItemsGroup to be idle
/// </summary>
public void WaitForIdle()
{
WaitForIdle(Timeout.Infinite);
}
/// <summary>
/// Wait for the SmartThreadPool/WorkItemsGroup to be idle
/// </summary>
public bool WaitForIdle(TimeSpan timeout)
{
return WaitForIdle((int)timeout.TotalMilliseconds);
}
/// <summary>
/// IsIdle is true when there are no work items running or queued.
/// </summary>
public bool IsIdle { get; protected set; }
#endregion
#region QueueWorkItem
/// <summary>
/// Queue a work item
/// </summary>
/// <param name="callback">A callback to execute</param>
/// <returns>Returns a work item result</returns>
public IWorkItemResult QueueWorkItem(WorkItemCallback callback)
{
WorkItem workItem = WorkItemFactory.CreateWorkItem(this, WIGStartInfo, callback);
Enqueue(workItem);
return workItem.GetWorkItemResult();
}
/// <summary>
/// Queue a work item
/// </summary>
/// <param name="callback">A callback to execute</param>
/// <param name="workItemPriority">The priority of the work item</param>
/// <returns>Returns a work item result</returns>
public IWorkItemResult QueueWorkItem(WorkItemCallback callback, WorkItemPriority workItemPriority)
{
PreQueueWorkItem();
WorkItem workItem = WorkItemFactory.CreateWorkItem(this, WIGStartInfo, callback, workItemPriority);
Enqueue(workItem);
return workItem.GetWorkItemResult();
}
/// <summary>
/// Queue a work item
/// </summary>
/// <param name="workItemInfo">Work item info</param>
/// <param name="callback">A callback to execute</param>
/// <returns>Returns a work item result</returns>
public IWorkItemResult QueueWorkItem(WorkItemInfo workItemInfo, WorkItemCallback callback)
{
PreQueueWorkItem();
WorkItem workItem = WorkItemFactory.CreateWorkItem(this, WIGStartInfo, workItemInfo, callback);
Enqueue(workItem);
return workItem.GetWorkItemResult();
}
/// <summary>
/// Queue a work item
/// </summary>
/// <param name="callback">A callback to execute</param>
/// <param name="state">
/// The context object of the work item. Used for passing arguments to the work item.
/// </param>
/// <returns>Returns a work item result</returns>
public IWorkItemResult QueueWorkItem(WorkItemCallback callback, object state)
{
WorkItem workItem = WorkItemFactory.CreateWorkItem(this, WIGStartInfo, callback, state);
Enqueue(workItem);
return workItem.GetWorkItemResult();
}
/// <summary>
/// Queue a work item
/// </summary>
/// <param name="callback">A callback to execute</param>
/// <param name="state">
/// The context object of the work item. Used for passing arguments to the work item.
/// </param>
/// <param name="workItemPriority">The work item priority</param>
/// <returns>Returns a work item result</returns>
public IWorkItemResult QueueWorkItem(WorkItemCallback callback, object state, WorkItemPriority workItemPriority)
{
PreQueueWorkItem();
WorkItem workItem = WorkItemFactory.CreateWorkItem(this, WIGStartInfo, callback, state, workItemPriority);
Enqueue(workItem);
return workItem.GetWorkItemResult();
}
/// <summary>
/// Queue a work item
/// </summary>
/// <param name="workItemInfo">Work item information</param>
/// <param name="callback">A callback to execute</param>
/// <param name="state">
/// The context object of the work item. Used for passing arguments to the work item.
/// </param>
/// <returns>Returns a work item result</returns>
public IWorkItemResult QueueWorkItem(WorkItemInfo workItemInfo, WorkItemCallback callback, object state)
{
PreQueueWorkItem();
WorkItem workItem = WorkItemFactory.CreateWorkItem(this, WIGStartInfo, workItemInfo, callback, state);
Enqueue(workItem);
return workItem.GetWorkItemResult();
}
/// <summary>
/// Queue a work item
/// </summary>
/// <param name="callback">A callback to execute</param>
/// <param name="state">
/// The context object of the work item. Used for passing arguments to the work item.
/// </param>
/// <param name="postExecuteWorkItemCallback">
/// A delegate to call after the callback completion
/// </param>
/// <returns>Returns a work item result</returns>
public IWorkItemResult QueueWorkItem(
WorkItemCallback callback,
object state,
PostExecuteWorkItemCallback postExecuteWorkItemCallback)
{
PreQueueWorkItem();
WorkItem workItem = WorkItemFactory.CreateWorkItem(this, WIGStartInfo, callback, state, postExecuteWorkItemCallback);
Enqueue(workItem);
return workItem.GetWorkItemResult();
}
/// <summary>
/// Queue a work item
/// </summary>
/// <param name="callback">A callback to execute</param>
/// <param name="state">
/// The context object of the work item. Used for passing arguments to the work item.
/// </param>
/// <param name="postExecuteWorkItemCallback">
/// A delegate to call after the callback completion
/// </param>
/// <param name="workItemPriority">The work item priority</param>
/// <returns>Returns a work item result</returns>
public IWorkItemResult QueueWorkItem(
WorkItemCallback callback,
object state,
PostExecuteWorkItemCallback postExecuteWorkItemCallback,
WorkItemPriority workItemPriority)
{
PreQueueWorkItem();
WorkItem workItem = WorkItemFactory.CreateWorkItem(this, WIGStartInfo, callback, state, postExecuteWorkItemCallback, workItemPriority);
Enqueue(workItem);
return workItem.GetWorkItemResult();
}
/// <summary>
/// Queue a work item
/// </summary>
/// <param name="callback">A callback to execute</param>
/// <param name="state">
/// The context object of the work item. Used for passing arguments to the work item.
/// </param>
/// <param name="postExecuteWorkItemCallback">
/// A delegate to call after the callback completion
/// </param>
/// <param name="callToPostExecute">Indicates on which cases to call to the post execute callback</param>
/// <returns>Returns a work item result</returns>
public IWorkItemResult QueueWorkItem(
WorkItemCallback callback,
object state,
PostExecuteWorkItemCallback postExecuteWorkItemCallback,
CallToPostExecute callToPostExecute)
{
PreQueueWorkItem();
WorkItem workItem = WorkItemFactory.CreateWorkItem(this, WIGStartInfo, callback, state, postExecuteWorkItemCallback, callToPostExecute);
Enqueue(workItem);
return workItem.GetWorkItemResult();
}
/// <summary>
/// Queue a work item
/// </summary>
/// <param name="callback">A callback to execute</param>
/// <param name="state">
/// The context object of the work item. Used for passing arguments to the work item.
/// </param>
/// <param name="postExecuteWorkItemCallback">
/// A delegate to call after the callback completion
/// </param>
/// <param name="callToPostExecute">Indicates on which cases to call to the post execute callback</param>
/// <param name="workItemPriority">The work item priority</param>
/// <returns>Returns a work item result</returns>
public IWorkItemResult QueueWorkItem(
WorkItemCallback callback,
object state,
PostExecuteWorkItemCallback postExecuteWorkItemCallback,
CallToPostExecute callToPostExecute,
WorkItemPriority workItemPriority)
{
PreQueueWorkItem();
WorkItem workItem = WorkItemFactory.CreateWorkItem(this, WIGStartInfo, callback, state, postExecuteWorkItemCallback, callToPostExecute, workItemPriority);
Enqueue(workItem);
return workItem.GetWorkItemResult();
}
#endregion
#region QueueWorkItem(Action<...>)
public IWorkItemResult QueueWorkItem(Action action)
{
return QueueWorkItem (action, SmartThreadPool.DefaultWorkItemPriority);
}
public IWorkItemResult QueueWorkItem (Action action, WorkItemPriority priority)
{
PreQueueWorkItem ();
WorkItem workItem = WorkItemFactory.CreateWorkItem (
this,
WIGStartInfo,
delegate
{
action.Invoke ();
return null;
}, priority);
Enqueue (workItem);
return workItem.GetWorkItemResult ();
}
public IWorkItemResult QueueWorkItem<T>(Action<T> action, T arg)
{
return QueueWorkItem<T> (action, arg, SmartThreadPool.DefaultWorkItemPriority);
}
public IWorkItemResult QueueWorkItem<T> (Action<T> action, T arg, WorkItemPriority priority)
{
PreQueueWorkItem ();
WorkItem workItem = WorkItemFactory.CreateWorkItem (
this,
WIGStartInfo,
state =>
{
action.Invoke (arg);
return null;
},
WIGStartInfo.FillStateWithArgs ? new object[] { arg } : null, priority);
Enqueue (workItem);
return workItem.GetWorkItemResult ();
}
public IWorkItemResult QueueWorkItem<T1, T2>(Action<T1, T2> action, T1 arg1, T2 arg2)
{
return QueueWorkItem<T1, T2> (action, arg1, arg2, SmartThreadPool.DefaultWorkItemPriority);
}
public IWorkItemResult QueueWorkItem<T1, T2> (Action<T1, T2> action, T1 arg1, T2 arg2, WorkItemPriority priority)
{
PreQueueWorkItem ();
WorkItem workItem = WorkItemFactory.CreateWorkItem (
this,
WIGStartInfo,
state =>
{
action.Invoke (arg1, arg2);
return null;
},
WIGStartInfo.FillStateWithArgs ? new object[] { arg1, arg2 } : null, priority);
Enqueue (workItem);
return workItem.GetWorkItemResult ();
}
public IWorkItemResult QueueWorkItem<T1, T2, T3>(Action<T1, T2, T3> action, T1 arg1, T2 arg2, T3 arg3)
{
return QueueWorkItem<T1, T2, T3> (action, arg1, arg2, arg3, SmartThreadPool.DefaultWorkItemPriority);
;
}
public IWorkItemResult QueueWorkItem<T1, T2, T3> (Action<T1, T2, T3> action, T1 arg1, T2 arg2, T3 arg3, WorkItemPriority priority)
{
PreQueueWorkItem ();
WorkItem workItem = WorkItemFactory.CreateWorkItem (
this,
WIGStartInfo,
state =>
{
action.Invoke (arg1, arg2, arg3);
return null;
},
WIGStartInfo.FillStateWithArgs ? new object[] { arg1, arg2, arg3 } : null, priority);
Enqueue (workItem);
return workItem.GetWorkItemResult ();
}
public IWorkItemResult QueueWorkItem<T1, T2, T3, T4>(
Action<T1, T2, T3, T4> action, T1 arg1, T2 arg2, T3 arg3, T4 arg4)
{
return QueueWorkItem<T1, T2, T3, T4> (action, arg1, arg2, arg3, arg4,
SmartThreadPool.DefaultWorkItemPriority);
}
public IWorkItemResult QueueWorkItem<T1, T2, T3, T4> (
Action<T1, T2, T3, T4> action, T1 arg1, T2 arg2, T3 arg3, T4 arg4, WorkItemPriority priority)
{
PreQueueWorkItem ();
WorkItem workItem = WorkItemFactory.CreateWorkItem (
this,
WIGStartInfo,
state =>
{
action.Invoke (arg1, arg2, arg3, arg4);
return null;
},
WIGStartInfo.FillStateWithArgs ? new object[] { arg1, arg2, arg3, arg4 } : null, priority);
Enqueue (workItem);
return workItem.GetWorkItemResult ();
}
#endregion
#region QueueWorkItem(Func<...>)
public IWorkItemResult<TResult> QueueWorkItem<TResult>(Func<TResult> func)
{
PreQueueWorkItem();
WorkItem workItem = WorkItemFactory.CreateWorkItem(
this,
WIGStartInfo,
state =>
{
return func.Invoke();
});
Enqueue(workItem);
return new WorkItemResultTWrapper<TResult>(workItem.GetWorkItemResult());
}
public IWorkItemResult<TResult> QueueWorkItem<T, TResult>(Func<T, TResult> func, T arg)
{
PreQueueWorkItem();
WorkItem workItem = WorkItemFactory.CreateWorkItem(
this,
WIGStartInfo,
state =>
{
return func.Invoke(arg);
},
WIGStartInfo.FillStateWithArgs ? new object[] { arg } : null);
Enqueue(workItem);
return new WorkItemResultTWrapper<TResult>(workItem.GetWorkItemResult());
}
public IWorkItemResult<TResult> QueueWorkItem<T1, T2, TResult>(Func<T1, T2, TResult> func, T1 arg1, T2 arg2)
{
PreQueueWorkItem();
WorkItem workItem = WorkItemFactory.CreateWorkItem(
this,
WIGStartInfo,
state =>
{
return func.Invoke(arg1, arg2);
},
WIGStartInfo.FillStateWithArgs ? new object[] { arg1, arg2 } : null);
Enqueue(workItem);
return new WorkItemResultTWrapper<TResult>(workItem.GetWorkItemResult());
}
public IWorkItemResult<TResult> QueueWorkItem<T1, T2, T3, TResult>(
Func<T1, T2, T3, TResult> func, T1 arg1, T2 arg2, T3 arg3)
{
PreQueueWorkItem();
WorkItem workItem = WorkItemFactory.CreateWorkItem(
this,
WIGStartInfo,
state =>
{
return func.Invoke(arg1, arg2, arg3);
},
WIGStartInfo.FillStateWithArgs ? new object[] { arg1, arg2, arg3 } : null);
Enqueue(workItem);
return new WorkItemResultTWrapper<TResult>(workItem.GetWorkItemResult());
}
public IWorkItemResult<TResult> QueueWorkItem<T1, T2, T3, T4, TResult>(
Func<T1, T2, T3, T4, TResult> func, T1 arg1, T2 arg2, T3 arg3, T4 arg4)
{
PreQueueWorkItem();
WorkItem workItem = WorkItemFactory.CreateWorkItem(
this,
WIGStartInfo,
state =>
{
return func.Invoke(arg1, arg2, arg3, arg4);
},
WIGStartInfo.FillStateWithArgs ? new object[] { arg1, arg2, arg3, arg4 } : null);
Enqueue(workItem);
return new WorkItemResultTWrapper<TResult>(workItem.GetWorkItemResult());
}
#endregion
#endregion
}
}
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