/// <summary>
/// Release work item back to pool
/// </summary>
/// <param name="executor">Executor that owns the work item.</param>
protected override void ReleaseToPool(ActivityExecutor executor)
{
this.ClearForReuse();
_expressionActivity = null;
_instanceId = 0;
_resultLocation = null;
_nextArgumentWorkItem = null;
executor.ExecuteSynchronousExpressionWorkItemPool.Release(this);
}
/// <summary>
/// Called each time a work item is acquired from the pool
/// </summary>
/// <param name="parentInstance">The ActivityInstance containin the variable or argument that contains this expression</param>
/// <param name="expressionActivity">The expression to evaluate</param>
/// <param name="instanceId">The ActivityInstanceID to use for expressionActivity</param>
/// <param name="resultLocation">Location where the result of expressionActivity should be placed</param>
/// <param name="nextArgumentWorkItem">WorkItem to execute after this one</param>
public void Initialize(ActivityInstance parentInstance, ActivityWithResult expressionActivity, long instanceId, Location resultLocation, ResolveNextArgumentWorkItem nextArgumentWorkItem)
{
this.Reinitialize(parentInstance);
Fx.Assert(resultLocation != null, "We should only use this work item when we are resolving arguments/variables and therefore have a result location.");
Fx.Assert(expressionActivity.IsFastPath, "Should only use this work item for fast path expressions");
_expressionActivity = expressionActivity;
_instanceId = instanceId;
_resultLocation = resultLocation;
_nextArgumentWorkItem = nextArgumentWorkItem;
}