public async override Task <ResultStatus> Execute(IExecuteContext executeContext, BuilderContext builderContext)
{
var buildStepsToWait = new List <BuildStep>();
while (true)
{
// interrupt the build if cancellation is required.
if (executeContext.CancellationTokenSource.Token.IsCancellationRequested)
{
return(ResultStatus.Cancelled);
}
// Clean completed build steps
for (int index = buildStepsToWait.Count - 1; index >= 0; index--)
{
var buildStepToWait = buildStepsToWait[index];
if (buildStepToWait.Processed)
{
buildStepsToWait.RemoveAt(index);
}
}
// wait for a task to complete
if (buildStepsToWait.Count >= MaxParallelSteps)
{
await CompleteOneBuildStep(executeContext, buildStepsToWait);
}
// Should we check for all tasks or only high priority tasks? (priority < 0)
bool checkOnlyForHighPriorityTasks = buildStepsToWait.Count >= MaxParallelSteps;
// Transform item into build step
var buildStep = buildStepProvider.GetNextBuildStep(checkOnlyForHighPriorityTasks ? -1 : int.MaxValue);
// No job => passively wait
if (buildStep == null)
{
newWorkAvailable.WaitOne();
continue;
}
// Safeguard if the provided build step is already processed
if (buildStep.Processed)
{
continue;
}
if (buildStep is WaitBuildStep)
{
throw new InvalidOperationException("WaitBuildStep are not supported as direct child of DynamicBuildStep");
}
// Schedule build step
executeContext.ScheduleBuildStep(buildStep);
buildStepsToWait.Add(buildStep);
}
}
public async override Task <ResultStatus> Execute(IExecuteContext executeContext, BuilderContext builderContext)
{
var buildStepsToWait = new List <BuildStep>();
while (true)
{
// interrupt the build if cancellation is required.
if (executeContext.CancellationTokenSource.Token.IsCancellationRequested)
{
return(ResultStatus.Cancelled);
}
// wait for a task to complete
if (buildStepsToWait.Count >= MaxParallelism)
{
await CompleteOneBuildStep(executeContext, buildStepsToWait);
}
// Transform item into build step
var buildStep = buildStepProvider.GetNextBuildStep();
// No job => passively wait
if (buildStep == null)
{
newWorkAvailable.WaitOne();
continue;
}
// Safeguard if the provided build step is already processed
if (buildStep.Processed)
{
continue;
}
if (buildStep is WaitBuildStep)
{
// wait for all the task in execution to complete
while (buildStepsToWait.Count > 0)
{
await CompleteOneBuildStep(executeContext, buildStepsToWait);
}
continue;
}
// Schedule build step
executeContext.ScheduleBuildStep(buildStep);
buildStepsToWait.Add(buildStep);
}
}
