Module: RTM::Revision

Defined in:
lib/rtm/revision.rb

Overview

Copyright: Copyright 2009 Topic Maps Lab, University of Leipzig. License: Apache License, Version 2.0

Constant Summary collapse

Type = 
Java::DeTopicmapslabMajortomModelEvent::TopicMapEventType

Class Method Summary collapse

Class Method Details

.specify_event(type) ⇒ Object 



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# File 'lib/rtm/revision.rb', line 7

def self.specify_event(type)
  return (
    case type
    when Type::ASSOCIATION_ADDED
      :creation
    when Type::ASSOCIATION_REMOVED
      :deletion
    when Type::DATATYPE_SET
      :update
    when Type::ID_MODIFIED
      :update
    when Type::ITEM_IDENTIFIER_ADDED
      :update
    when Type::ITEM_IDENTIFIER_REMOVED
      :update
    when Type::MERGE
      :update
    when Type::NAME_ADDED
      :update
    when Type::NAME_REMOVED
      :update
    when Type::OCCURRENCE_ADDED
      :update
    when Type::OCCURRENCE_REMOVED
      :update
    when Type::PLAYER_MODIFIED
      :update
    when Type::REIFIER_SET
      :update
    when Type::REMOVE_DUPLICATES
      :update
    when Type::ROLE_ADDED
      :update
    when Type::ROLE_REMOVED
      :update
    when Type::SCOPE_MODIFIED
      :update
    when Type::SUBJECT_IDENTIFIER_ADDED
      :update
    when Type::SUBJECT_IDENTIFIER_REMOVED
      :update
    when Type::SUBJECT_LOCATOR_ADDED
      :update
    when Type::SUBJECT_LOCATOR_REMOVED
      :update
    when Type::TOPIC_ADDED
      :creation
    when Type::TOPIC_REMOVED
      :deletion
    when Type::TYPE_ADDED
      :update
    when Type::TYPE_REMOVED
      :update
    when Type::TYPE_SET
      :update
    when Type::VALUE_MODIFIED
      :update
    when Type::VARIANT_ADDED
      :update
    when Type::VARIANT_REMOVED
      :update
    else
      nil
    end )
end

.topic_or_association_context(revision) ⇒ Object 



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# File 'lib/rtm/revision.rb', line 73

def self.topic_or_association_context(revision)
  # TODO not finished yet, test it also in the history_spec
  type = revision.changeset_type
  changeset = revision.changeset
  
  case type
  when Type::ASSOCIATION_ADDED
    context = changeset.first.new_value # association
  when Type::ASSOCIATION_REMOVED
    context = changeset.last.old_value # association
  when Type::DATATYPE_SET
    datatype_aware = changeset.first.context
    if datatype_aware.is_a?(RTM::Occurrence)
      context = datatype_aware.parent # topic
    else
      context = datatype_aware.parent.parent # topic
    end
  when Type::ID_MODIFIED
    return nil
  when Type::ITEM_IDENTIFIER_ADDED
    context = changeset.first.context # topic
  when Type::ITEM_IDENTIFIER_REMOVED
    context = changeset.first.context # topic
  when Type::MERGE
    return nil
  when Type::NAME_ADDED
    context = changeset.first.context # topic
  when Type::NAME_REMOVED
    context = changeset.last.context # topic
  when Type::OCCURRENCE_ADDED
    context = changeset.first.context # topic
  when Type::OCCURRENCE_REMOVED
    context = changeset.last.context # topic
  when Type::PLAYER_MODIFIED
    context = changeset.first.context.parent # association
  when Type::REIFIER_SET
    return nil
  when Type::REMOVE_DUPLICATES
    return nil
  when Type::ROLE_ADDED
    context = changeset.first.context # association
  when Type::ROLE_REMOVED
    context = changeset.last.context # association
  when Type::SCOPE_MODIFIED
    typed = changeset.first.context
    if typed.is_a?(RTM::Variant)
      context = typed.parent.parent # topic
    elsif typed.is_a?(RTM::Occurrence)
      context = typed.parent # topic
    elsif typed.is_a?(RTM::Name)
      context = typed.parent # topic
    else
      context = typed # association
    end
  when Type::SUBJECT_IDENTIFIER_ADDED
    context = changeset.first.context # topic
  when Type::SUBJECT_IDENTIFIER_REMOVED
    context = changeset.first.context # topic
  when Type::SUBJECT_LOCATOR_ADDED
    context = changeset.first.context # topic
  when Type::SUBJECT_LOCATOR_REMOVED
    context = changeset.first.context # topic
  when Type::TOPIC_ADDED
    context = changeset.first.new_value # topic
  when Type::TOPIC_REMOVED
    context = changeset.last.old_value # topic
  when Type::TYPE_ADDED
    context = changeset.first.context # topic
  when Type::TYPE_REMOVED
    context = changeset.first.context # topic
  when Type::TYPE_SET
    typed = changeset.first.context
    if typed.is_a?(RTM::Role)
      context = typed.parent # association
    elsif typed.is_a?(RTM::Association)
      context = typed # association
    else
      context = typed.parent # topic
    end
  when Type::VALUE_MODIFIED
    valued = changeset.first.context
    if valued.is_a?(RTM::Variant)
      context = valued.parent.parent #topic
    else
      context = valued.parent # topic
    end
  when Type::VARIANT_ADDED
    context = changeset.first.context.parent # topic
  when Type::VARIANT_REMOVED
    context = changeset.last.context.parent # topic
  else
    return nil
  end
  return context
end