Class: Fairy::PBasicGroupBy
- Defined in:
- lib/fairy/node/p-basic-group-by.rb
Direct Known Subclasses
Constant Summary collapse
- ST_ALL_IMPORTED =
:ST_ALL_IMPORTED
- ST_WAIT_EXPORT_FINISH =
:ST_WAIT_EXPORT_FINISH
- ST_EXPORT_FINISH =
:ST_EXPORT_FINISH
Constants inherited from PIOFilter
Fairy::PIOFilter::ST_WAIT_IMPORT
Constants inherited from PFilter
Fairy::PFilter::END_OF_STREAM, Fairy::PFilter::ST_ACTIVATE, Fairy::PFilter::ST_FINISH, Fairy::PFilter::ST_INIT
Instance Attribute Summary
Attributes inherited from PFilter
#IGNORE_EXCEPTION, #id, #log_id, #ntask
Instance Method Summary collapse
- #add_export(key, export) ⇒ Object
- #hash_key(e) ⇒ Object
-
#initialize(id, ntask, bjob, opts, block_source) ⇒ PBasicGroupBy
constructor
A new instance of PBasicGroupBy.
- #start_export ⇒ Object
- #terminate ⇒ Object
- #wait_export_finish ⇒ Object
Methods inherited from PIOFilter
Methods inherited from PFilter
#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_proc
Constructor Details
#initialize(id, ntask, bjob, opts, block_source) ⇒ PBasicGroupBy
Returns a new instance of PBasicGroupBy.
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# File 'lib/fairy/node/p-basic-group-by.rb', line 16 def initialize(id, ntask, bjob, opts, block_source) super @block_source = block_source @exports = {} @exports_queue = Queue.new @counter = {} #start_watch_exports end |
Instance Method Details
#add_export(key, export) ⇒ Object
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# File 'lib/fairy/node/p-basic-group-by.rb', line 28 def add_export(key, export) @exports[key] = export # @exports_queue.push [key, export] # [BUG#171]同期処理でないとまずい. @bjob.add_exports(key, export, self) end |
#hash_key(e) ⇒ Object
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# File 'lib/fairy/node/p-basic-group-by.rb', line 84 def hash_key(e) @key_proc.yield(e) end |
#start_export ⇒ Object
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# File 'lib/fairy/node/p-basic-group-by.rb', line 35 def start_export Log::debug(self, "START_EXPORT") start do hash_opt = @opts[:grouping_optimize] hash_opt = CONF.GROUP_BY_GROUPING_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 policy = @opts[:postqueuing_policy] begin @input.each do |e| key = hash_key(e) if Import::CTLTOKEN_NULLVALUE === key next end export = @exports[key] unless export export = Export.new(policy) export.njob_id = @id export.add_key(key) add_export(key, export) @counter[key] = 0 end export.push e @counter[key] += 1 end rescue Log::debug_exception(self) raise ensure @exports_queue.push nil @exports.each_pair{|key, export| Log::debug(self, "G0 #{key} => #{@counter[key]}") export.push END_OF_STREAM} end end end |
#terminate ⇒ Object
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# File 'lib/fairy/node/p-basic-group-by.rb', line 78 def terminate @wait_cv = @terminate_mon.new_cv wait_export_finish super end |
#wait_export_finish ⇒ Object
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# File 'lib/fairy/node/p-basic-group-by.rb', line 88 def wait_export_finish Log::debug(self, "G1") self.status = ST_ALL_IMPORTED Log::debug(self, "G2") # ここの位置が重要 self.status = ST_WAIT_EXPORT_FINISH # ここもいまいち Log::debug(self, "G3") @exports.each_pair do |key, export| Log::debug(self, "G3.WAIT #{key}") export.fib_wait_finish(@wait_cv) end Log::debug(self, "G4") self.status = ST_EXPORT_FINISH end |