public bool NeedsRebuild(PipelineManager manager, PipelineBuildEvent cachedEvent)
{
// If we have no previously cached build event then we cannot
// be sure that the state hasn't changed... force a rebuild.
if (cachedEvent == null)
{
return(true);
}
// Verify that the last write time of the source file matches
// what we recorded when it was built. If it is different
// that means someone modified it and we need to rebuild.
var sourceWriteTime = File.GetLastWriteTime(SourceFile);
if (cachedEvent.SourceTime != sourceWriteTime)
{
return(true);
}
// Do the same test for the dest file.
var destWriteTime = File.GetLastWriteTime(DestFile);
if (cachedEvent.DestTime != destWriteTime)
{
return(true);
}
// If the source file is newer than the dest file
// then it must have been updated and needs a rebuild.
if (sourceWriteTime >= destWriteTime)
{
return(true);
}
// Are any of the dependancy files newer than the dest file?
foreach (var depFile in cachedEvent.Dependencies)
{
if (File.GetLastWriteTime(depFile) >= destWriteTime)
{
return(true);
}
}
// This shouldn't happen... but if the source or dest files changed
// then force a rebuild.
if (cachedEvent.SourceFile != SourceFile ||
cachedEvent.DestFile != DestFile)
{
return(true);
}
// Did the importer assembly change?
if (manager.GetImporterAssemblyTimestamp(cachedEvent.Importer) > cachedEvent.ImporterTime)
{
return(true);
}
// Did the importer change?
if (cachedEvent.Importer != Importer)
{
return(true);
}
// Did the processor assembly change?
if (manager.GetProcessorAssemblyTimestamp(cachedEvent.Processor) > cachedEvent.ProcessorTime)
{
return(true);
}
// Did the processor change?
if (cachedEvent.Processor != Processor)
{
return(true);
}
// Did the parameters change?
var defaultValues = manager.GetProcessorDefaultValues(Processor);
if (!AreParametersEqual(cachedEvent.Parameters, Parameters, defaultValues))
{
return(true);
}
return(false);
}
public PipelineProcessorContext(PipelineManager manager, PipelineBuildEvent pipelineEvent)
{
_manager = manager;
_pipelineEvent = pipelineEvent;
}
