Class: Fairy::PSort::PPreSort
Constant Summary
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- ST_ALL_IMPORTED =
:ST_ALL_IMPORTED
- ST_WAIT_EXPORT_FINISH =
:ST_WAIT_EXPORT_FINISH
- ST_EXPORT_FINISH =
:ST_EXPORT_FINISH
Fairy::PIOFilter::ST_WAIT_IMPORT
Fairy::PFilter::END_OF_STREAM, Fairy::PFilter::ST_ACTIVATE, Fairy::PFilter::ST_FINISH, Fairy::PFilter::ST_INIT
Instance Attribute Summary
#IGNORE_EXCEPTION, #id, #log_id, #ntask
Class Method Summary
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Instance Method Summary
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#init_key_proc, #terminate, #wait_export_finish
#input=
#abort_running, #basic_start, #break_running, #each, #global_break, #global_break_from_other, #handle_exception, #key, #key=, #next, #no, #no=, #notice_status, #processor, #start, #start_watch_status, #status=, #terminate, #terminate_proc
Constructor Details
#initialize(id, ntask, bjob, opts, block_source) ⇒ PPreSort
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# File 'lib/fairy/node/p-sort.rb', line 20
def initialize(id, ntask, bjob, opts, block_source)
super
@block_source = block_source
@exports = []
def @exports.each_pair(&block)
each_with_index do |item, idx|
block.call(idx, item) if item
end
end
@exports_queue = XThread::Queue.new
@counter = []
@pvs = nil
if @opts[:pvs]
@pvs = @opts[:pvs].dc_deep_copy
end
end
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Class Method Details
.each_pair(&block) ⇒ Object
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# File 'lib/fairy/node/p-sort.rb', line 25
def @exports.each_pair(&block)
each_with_index do |item, idx|
block.call(idx, item) if item
end
end
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Instance Method Details
#add_export(key, export) ⇒ Object
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# File 'lib/fairy/node/p-sort.rb', line 42
def add_export(key, export)
@exports[key] = export
@bjob.add_exports(key, export, self)
end
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#hash_key(e) ⇒ Object
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# File 'lib/fairy/node/p-sort.rb', line 148
def hash_key(e)
@key_proc.yield(e)
end
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#hashing(e) ⇒ Object
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# File 'lib/fairy/node/p-sort.rb', line 130
def hashing(e)
if Import::CTLTOKEN_NULLVALUE === (key = @key_proc.call(e))
return
end
unless idx = @pvs.find_index{|pv| key < pv}
idx = @pvs.size
end
export = @exports[idx]
export.push e
@counter[idx] += 1
end
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#init_exports ⇒ Object
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# File 'lib/fairy/node/p-sort.rb', line 116
def init_exports
policy = @opts[:postqueuing_policy]
(@pvs.size+1).times do |idx|
export = Export.new(policy)
@exports[idx] = export
export.njob_id = @id
export.no = idx
export.add_key(idx)
add_export(idx, export)
@counter[idx] = 0
end
end
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#start_export ⇒ Object
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# File 'lib/fairy/node/p-sort.rb', line 49
def start_export
Log::debug(self, "START_EXPORT")
start do
sample_line_no = @opts[:sampling_max]
sample_line_no ||= CONF.SORT_SAMPLING_MAX
hash_opt = @opts[:cmp_optimize]
hash_opt = CONF.SORT_CMP_OPTIMIZE if hash_opt.nil?
if hash_opt
@key_proc = eval("proc{#{@block_source.source}}", @context.binding)
else
@key_proc = BBlock.new(@block_source, @context, self)
end
buf = []
no = 0
begin
if @pvs
sampling = false
Log::debugf(self, "%s", @pvs.inspect)
init_exports
elsif self.no == 0
sampling = true
else
sampling = false
@pvs = @bjob.get_pvs
Log::debugf(self, "%s", @pvs.inspect)
init_exports
end
@input.each do |e|
if sampling
no += 1
buf.push e
if no >= sample_line_no
sampling = false
@pvs = @bjob.get_pvs(buf)
Log::debugf(self, "%s", @pvs.inspect)
init_exports
buf.each{|e| hashing(e)}
end
else
hashing(e)
end
end
if sampling
@pvs = @bjob.get_pvs(buf)
Log::debugf(self, "%s", @pvs.inspect)
init_exports
buf.each{|e| hashing(e)}
end
rescue
Log::debug_exception(self)
raise
ensure
@exports_queue.push nil
@exports.each_pair do |key, export|
next unless export
Log::debug(self, "G0 #{key} => #{@counter[key]}")
export.push END_OF_STREAM
end
end
end
end
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