Class: ActiveRecord::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/makumba_import/legacy.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.find_by_id(id) ⇒ Object 



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# File 'lib/makumba_import/legacy.rb', line 44

def self.find_by_id(id)
  self.find(id)
end

.find_by_ptr(ptr) ⇒ Object 



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# File 'lib/makumba_import/legacy.rb', line 36

def self.find_by_ptr(ptr)
  hc = @pointer_type.to_java_hashcode & "ffffffffl".to_i(16)
  l = ptr.to_i(36)
  n = l & "ffffffffl".to_i(16)
  n = n ^ hc
  self.find(n)
end

.fix_makumba_columns ⇒ Object 



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# File 'lib/makumba_import/legacy.rb', line 48

def self.fix_makumba_columns
  column_names.each do |old_name|
    if old_name.match(/_$/)
      new_name = old_name[0...-1]
      unless self.method_defined? new_name
        self.send(:define_method, new_name) { self.send(old_name) }
        self.send(:define_method, "#{new_name}=") { |value| self.send("#{old_name}=", value) }
        self.metaclass.send(:define_method, "find_by_#{new_name}") { |value| self.send("find_by_#{old_name}", value) }
        self.metaclass.send(:define_method, "find_by_#{new_name}!") { |value| self.send("find_by_#{old_name}!", value) }
      end
    end
  end

  self.send(:before_save, :update_makumba_fields)
end

.last_primary_key(dbsv = MakumbaImport::KeyHandler.get_dbsv) ⇒ Object 



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# File 'lib/makumba_import/legacy.rb', line 24

def self.last_primary_key(dbsv = MakumbaImport::KeyHandler.get_dbsv)
  self.select("max(#{primary_key}) as biggest").where("#{primary_key} > ? and #{primary_key} < ?", dbsv << 24, (dbsv + 1) << 24).first.biggest || (dbsv << 24)
end

.metaclass ⇒ Object 



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# File 'lib/makumba_import/legacy.rb', line 20

def self.metaclass
  class << self; self; end
end

.next_primary_key ⇒ Object 



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# File 'lib/makumba_import/legacy.rb', line 64

def self.next_primary_key
  MakumbaImport::KeyHandler.next_primary_key(self.to_s)
end

.pointer_type ⇒ Object 



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# File 'lib/makumba_import/legacy.rb', line 32

def self.pointer_type
  @pointer_type
end

.pointer_type=(type) ⇒ Object 



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# File 'lib/makumba_import/legacy.rb', line 28

def self.pointer_type=(type)
  @pointer_type = type
end

Instance Method Details

#crc(v) ⇒ Object 



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# File 'lib/makumba_import/legacy.rb', line 75

def crc(v)
  r = 0
  32.times do
    if (v & 1) == 1
      r = r + 1
    end
    v = v >> 1;
  end
  r
end

#to_ptr ⇒ Object 



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# File 'lib/makumba_import/legacy.rb', line 74

def to_ptr
  def crc(v)
    r = 0
    32.times do
      if (v & 1) == 1
        r = r + 1
      end
      v = v >> 1;
    end
    r
  end

  n = self.id

  hc = self.class.pointer_type.to_java_hashcode & "ffffffffl".to_i(16)
  ((crc(n) & "fl".to_i(16)) << 32 | n ^ hc).to_s(36)
end

#update_makumba_fields ⇒ Object 



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# File 'lib/makumba_import/legacy.rb', line 68

def update_makumba_fields
  self.id = self.class.next_primary_key if self.id.blank?
  self.TS_create = Time.new if self.TS_create.blank?
  self.TS_modify = Time.new
end