CHANGELOG.txt

= ruote - CHANGELOG.txt


== ruote - 2.3.0    not yet released

- set 'v:x' => 'y', :over[ride] => true/'sub'
- concurrence and citerator :count => -x (all but x)
- "await" expression, successor to "listen"
- root expression: __past_tags__ variable
- full tags
- concurrence and citerator: :count => 0 (immediate reply)
- iterator and concurrent-iterator: implicit sequence
- iterator: stopped creating new variable scope
- :vars_to_f common attribute
- :scope => true forces a new variable scope
- subprocess 'field:x' => 'y' (variables and now fields)
- Dashboard#worklist (alias for Dashboard#storage_participant)
- set: now accepting children (and behaving like a sequence)
- [un]set: setting __result__
- concurrence :wait_for => 'alpha, bravo' (idea Raphael Simon)
- BlockParticipant: nicer multi blocks
- Dashboard #cancel and #kill now accept options
- StorageParticipant #reserve and #delegate
- 'terminated/ceased' msg: include root exp variables
- Dashboard#worker_state[=] (running/paused/stopped)
- define :on_terminate => :regenerate
- :on_error => '5m: retry * 3, 10m: retry'
- :on_error => '5m: retry, 2m: retry, pass'
- dsub for attribute keys as well
- conf option: 'worker_info_enabled' (defaults to true, enabled)
- Dashboard#register saves list in one batch (unless :clear => true)
- DefaultHistory include Enumerable
- Dashboard#wait_for(action_name) (dispatch, cancel, reply, ...)
- merged TestLogger into WaitLogger
- :take and :discard common attributes
- filter: 'take' and 'discard'
- Participant: on_cancel -> false prevents on_cancel reply
- LocalParticipant #is_gone? #is_cancel[l]ed?
- Dashboard#worker_info
- msg: put_doc, low-level action
- participant: #rtimers, #rtimeout and #timers
- lose and forget expressions: aligned 'multi' behaviour
- concurrence and citerator: :merge_type => 'ignore'
- :timers error, redo/retry, undo/pass and commands
- :timers common attribute
- :flank common attribute
- Storage#done(worker, msg) optional method
- get_many :batch option (used by some storages for optimization)
- 'stall' expression (mostly for testing)
- context and worker : subscription reworked
- worker : 'restless_worker' option
- Ruote::Dashboard (will slowly phase Ruote::Engine out)
- :on_timeout => 'rewind', :on_timeout => 'jump to alpha'
- :on_error => 'rewind', :on_error => 'jump to alpha'
- dispatch_pool and context['participant_threads_enabled']
- participant params.__children__
- on_error expression
- concurrence :merge_type => 'concat' (vs 'union') (Thanks Julien France)
- Workitem#re_dispatch_count
- Engine#launch(pdef, fields, vars, root_stash)
- Workitem #[] amd #[]= (#lookup and #set_field shortcuts)
- LocalParticipant#lookup_variable(key)
- LocalParticipant / Receiver : stash_get / stash_put
- LocalParticipant implicit participant_name
- LocalParticipant implicit workitem, fei, flavour and fexp
- Participant #on_workitem, #dont_thread?, etc
- FlowExpression #root and #root_id
- dollar substitution in expression name as well
- Engine#replay_at_error(err_or_fei_or_wi)
- Engine#error(wi_or_fei)
- storages : #replace_engine_configuration(opts)
- FsStorage : saving newer configuration (Thanks Nicholas Faiz)
- ProcessStatus context : linking expression <-> error
- ProcessStatus#root_workitem
- ProcessStatus#leaves
- filter 'includes' and 'is' (Thanks Nando Sola)
- trailing fields (a Simone Carletti idea)
- concurrence vs history issue fixed (Thanks Juris Galang)
- unset and fields : made sure the field is removed (Thanks jpgilman)
- sourcify, using to_raw_source from now on
- filter expression and blocks
- set 'v:display' => 'echo', aliasing of expressions
- Reader.read(s) : better error raised when failed to 'parse'
- :on_field => 'my.nested.field' now possible
- [concurrent-]iterator :to => 'v:x' / 'f:y' / 'y'
- concurrence :merge_type => 'union'
- Reader.to_radial(tree)
- Workitem#param_or_field(key) and #field_or_param(key)
- Workitem#param_text
- ProcessError#deviations (cf filter and Ruote::ValidationError)
- reworked (process definition) Reader
- filter top-level 'or'
- filter field => 'x|y' (or on field names)
- 'radial' process definitions
- fixed Tracker#add_tracker (2nd try) issue (Thanks Pedro Texeira)
- Engine#register :on_workitem / :on_reply / ...
- set 'v:participant' => lambda { |wi| wi.fields['x'] = 'y' }
- listen :to => :errors, :class => string / :message/:msg => string / regex
- listen :to => :errors
- dropped require 'json' and co from fs_storage (Thanks Torsten)
- cursor : 'reset' command and :reset_if attribute
- Engine#resume(wfid, :anyway => true) resumes any paused expression in a
  given process
- Engine#pause(fei, :breakpoint => true) pauses only one expression (and not
  its children)
- CompositeStorage#delete_schedule fix (Thanks Greg)
- read 'http://'|'file', :to => 'f:a' / :to => 'v:b'
- save :to => 'f:a' / :to => 'v:b'
- pause(fei/wfid), resume(fei/wfid)
- participant list, multiple participants with same regex now ok, allowing
  for cascading participants (at consume and at on_error)
- register block : fixed issue with lonely pname and block
- register_participant : after/before/over
- register block : now clearing by default
- fixed issue with deep set and unset (Thanks Nando Sola)
- improved conditional evaluation for dollar notation
- register block : catchall and catch_all
- Workitem #wf_name and #wf_revision
- StorageParticipant :skip and :limit issues (Thanks Jan Topiński)
- StorageParticipant #proceed deprecates #reply
- fix for :if => '${a}' when a like '456ab' (Thanks John Le)
- StorageParticipant :count => true uniformization (Thanks Jan Topiński)
- StorageParticipant#by_fei (alias for #[])


== ruote - 2.2.0    released 2011/03/01

- Engine#participant(name) returns an instance of any participant
- :filter => 'participant_name' (consume(wi) / filter(fields))
- listen block and forget issue fixed (Thanks Nando Sola)
- @msg always set in FlowExpression
- aliased 'cancel_process' to 'terminate'
- Engine#leftovers (Thanks Iuri)
- $x, $f:x and $v:y vs ${x}, ${f:x} and ${v:y} (literally)
- :filter common attribute
- Participant#do_not_thread : optional workitem parameter
- filter expression
- LocalParticipant / Receiver #applied_workitem(fei)
- using Sourcify to store block participant's code as a string
- CompositeStorage#delete bug fix (Thanks Claudio)
- ParticipantList#register bug fix (Thanks 'sandbox')
- StorageHistory#wfids and DefaultHistory#wfids
- Engine#history -> DefaultHistory (keeping the last 1000 msgs)
- 'citerator' alias to 'concurrent_iterator'
- Participant#rtimeout(workitem) (optional)
- moved Engine#workitem(fei) to ReceiverMixin
- storage#delete_schedule ignoring nil schedule_id
- Participant #rtimeout instead of #timeout
- StorageParticipant making @options available
- Engine#register, allowing block participants (Thanks Hery)
- fixed Engine#launch_single relaunch issue (Thanks Gonzalo)
- 'rset', an alias for the 'set' expression (Thanks Rebo)
- listen :to => /x/ or "/x/" required for regular expressions
- engine#on_terminate = participant_name / subprocess_name / tree
- listen :to => 'tagname', :upon => 'entering' / 'leaving'
- Ruote::Parser becomes Ruote::Reader
- :if => "${customer} in ${customer_list}", :if => "4 in {4 => 5}"
- Ruote::Workitem .from_json #as_json
- :on_error => redo/retry // undo/pass
- given : a case/switch ruote equivalent
- conditionals : "${x} is empty" and "${x} is null"
- once expression (once, _when, as_soon_as)
- let expression (a sequence with its own variable scope)
- engine.ps(wfid=nil)
- once : made sure child is cancelled as well
- :if => '${f:a} and ${f:b}'
- workitem.tags (workitem['fields']['__tags__']
- better participant initialization (Thanks Neil Pennell)
- Engine #cancel and #kill (expression or process, whichever)
- subid (sub_wfid) for every expression
- undo and redo : more robust (broken tags)
- cursor : giving a sub_wfid to children (play nice with :forget)
- Ruote.is_tree?(o) .is_definition_tree?(o) consolidated
- engine#on_error = [] registering error notifications and the like
- engine#configuration(key) (counterpart to engine#configure(key, value))
- implemented the :lose attribute
- implemented the 'lose' expression
- fixed issue with "over" (Thanks Daniel 'hassox' Neighman)
- fixed issue with workitem.command = 'jump to x' (Thanks Fix Peña)
- fixed issue with ProcessStatus#position and errors in ParticipantExpression
  (Thanks Eric Smith)
- 'registerp' and 'unregisterp' expressions
- ${r:xxx} when ruby_eval_allowed == false now raises an error


== ruote - 2.1.11    released 2010/10/01

- Engine#process broken with process where schedule count > 1 (Thanks David)
- Engine#launch_single for 1! instance processes (Thanks Eric)
- Workitem#command and #command= helpers
- ProcessError#workitem helper
- fetch_flow_expression made public and aliased to fexp
- ${r:workitem_field} (idea: Nathan Stults)
- Ruote::Dollar::Dict and Ruote::Dollar::RubyContext
- made Ruote.dsub a service : @context.dollar_sub.s(...) (idea: Nathan Stults)
- moved simpler services to ruote/svc/
- using BlankSlate for ruby process definitions
- Engine.new(worker, :join => true) will let the worker run in the current
  thread (and not return)
- StorageParticipant#query(:count => true)
- storage.get_many(type, keys, :descending => true)
- engine.processes(:skip => 50, limit => 50)
- listen expression : using lwfid instead of wfid (storage change)
- fixed issue when re-applying root expressions (Thanks Brett)
- storage_participant.query using :skip and :limit
- engine.schedules([wfid]) and ProcessStatus#schedules
- differentiating on_re_apply from on_cancel (process gardening)
- engine.participant_list= more tolerant about its input
- engine.process(wfid).stored_workitems
- engine.process(wfid).workitems and .position
- engine.process(wfid).last_active
- engine.errors(wfid=nil) now returns array of ProcessError instances
- engine.register { block } (Torsten)
- participant.accept?(workitem)
- 'ref' expression (pointing to participants or subprocesses)
- engine.process_wfids (list process instance wfids)
- set 'v:alpha' => [ 'MyParticipant', { 'flavour' => 'vanilla' }]
  participants registered as variables (just for that process instance)
- engine.participant_list and .participant_list=
- engine.register_participant 'al', 'AlParticipant', :require_path => 'pa/th'
- engine.register_participant 'al', 'AlParticipant', :load_path => 'pa/th'
- engine.[un]register for .[un]register_participant
- engine.noisy = true (a shortcut)
- engine.storage_participant (a shortcut)
- removed direct dependency on rufus-lru
- WaitLogger : a transient @seen (Thanks Kaspar)
- error_handler : more error catching
- storage#copy_to(other_storage) item by item implementation
- Engine#wait_for OK with multiple threads
- ExpressionMap now loads all expressions in Ruote::Exp:: namespace
- 'error_intercepted' msg now features error_class, _message and _backtrace (RM)
- Engine#join and Worker#join
- workitem.error now includes error's backtrace (contributed by Rich Meyers)


== ruote - 2.1.10    released 2010/06/15

- storage#copy_to(other_storage) implemented
- #launch moved from Engine to ReceiverMixin
- participants without initialize(opts) are now allowed
- engine.wait_for(:inactive)
- engine.wait_for(*interests) unlocked
- engine.wait_for(:empty)
- fixed issue with participant 'x' and :on_error. Thanks Oleg.
- receiver : reply and reply_to_engine : from aliases to wrappers
- Ruote::StorageParticipant more flexibility for method args
- Ruote::FlowExpressionId .extract_h and .extract
- dropped fs_history (storage_history is better)
- parser to_xml _if 'x == b' --> <if test="x == b">
- workitem.sid shortcut for workitem.fei.to_storage_id
- workitem.wfid shorcut for workitem.fei.wfid
- new error_handler service
- Receiver.new(x), x can be worker, engine, context or storage
- Participant#on_reply(workitem) manipulating workitems when they come back
- set '${v:customers.0.name}' => 'x' now OK, was limited to fields. Thanks Oleg
- LocalParticipant#put(fei, hash) #get(fei, key) for stashing info
- LocalParticipant#re_dispatch(wi, opts)
- bug in HashStorage, apply over apply didn't raise a persist error. Fixed.
- keeping track of workitem fields as they were right before a participant error
- Workitem.error holds the error when on_error. Thanks Oleg.
- Workitem#error and Workitem#timed_out shortcuts
- participant :on_error => 'x' broken. Fixed. Thanks Oleg.
- Engine#workitem(fei) for advanced users
- LocalParticipant : added a reject(workitem) method
- participant exp : dispatched = true set right after dispatch


== ruote - 2.1.9    released 2010/03/22

- made participant.cancel occur asynchronously (as should be)
- lookup_variable : making sure not to break when the parent exp is gone
- workitem.fields['__dispatch_time__'] is now set


== ruote - 2.1.8    released 2010/03/15

- participant#schedule_timeout workaround for issue with JRuby 1.4.0 (1.8.7)
- implemented Ruote::CompositeStorage
- leveraging rufus-cloche 0.1.16 and the 'cloche_nolock' option (FsStorage)
- SmtpParticipant and ruote/part/template.rb reorganization
- StorageParticipant when returned by engine#register was unusable. Fixed.
- string keys for SmtpParticipant. Thanks Gonzalo
- fixed every('10m') bug. Thanks Gonzalo Suarez
- Ruote::FlowExpressionId.from_id(s) more permissive
- concurrence (and concurrent-iterator) :merge_type => :stack


== ruote - 2.1.7    released 2010/02/15

- now works on WinXP, Ruby 1.8.7
- reformed msgs ids and adapted Ruote::StorageHistory
- engine.register_participant(x, Ruote::StorageParticipant) now returning
  a instance of the participant, for easy query
- StorageParticipant, added #query(criteria), thanks Torsten and Brett
- Ruote::Workitem #lookup('deep.field') and #set_field('deep.field') are back
- Ruote::Workitem added == and hash (list.uniq friendly), thanks Brett
- Engine#configure(key, value), thanks Torsten
- Ruote.to_tree (lightweight version of Ruote.process_definition)
- ParticipantList#names, thanks Kenneth


== ruote - 2.1.6    released 2010/02/08

- welcoming ruote-dm (datamapper persistency)
- Engine#re_apply(fei, opts) where opts in [ :tree, :fields, :merge_in_fields ]
- fixed issue about StorageParticipant#update, thanks Torsten


== ruote - 2.1.5    released 2010/01/28

- fixed StorageParticipant a to b flow, fix by Torsten
- fixed StorageParticipant#cancel
- dollar : made sure of ${fei} and ${wfid}
- implemented ProcessStatus#to_dot
- if a participant implementation cancel method returns false,
  reply_to_parent will not get called
- changes about errors without [stored] expressions, they now appear in process
  statuses
- EngineParticipant implemented
- 'ruby_eval_allowed' instead of :ruby_eval_allowed
- ${v:customer.address.1} deep trick now ok (as it was ok for fields)
- added d() to the $ notation : echo "${r: d('f:toto') }"
- Engine#kill_process(wfid) can cure errored participant expressions
- made sure ${r:wi} and ${r:workitem} is and instance of Ruote::Workitem
- implemented StorageParticipant#by_field


== ruote - 2.1.4    released 2010/01/11

- implemented StorageHistory
- using yyyy-mm-dd instead of yyyy/mm/dd for Ruote.time_to_utc_s(t)
- implemented Storage#purge_type!(t)
- Engine#add_service now returning just bound service


== ruote - 2.1.3    released 2010/01/04

- fixed issue with Rufus.is_cron_string (thanks Torsten)
- fixed issue with FlowExpression#cancel (Kenneth)


== ruote - 2.1.2    released 2010/01/03

- fixed issue when initializing engine without worker. Thanks Matt Nichols.


== ruote - 2.1.1    released 2009/12/31

== OpenWFEru - 0.9.2       released 2007/01/26
== openwfe-ruby - 1.7.0    released 2006/05/08