Class: ObjectTable

Inherits:
Object
  • Object
show all
Extended by:
Joining::ClassMethods, Stacking::ClassMethods
Includes:
Factory, Stacking::InPlace, TableMethods
Defined in:
lib/object_table.rb,
lib/object_table/joining.rb,
lib/object_table/version.rb,
lib/object_table/grouping.rb,
lib/object_table/printing.rb,
lib/object_table/stacking.rb

Defined Under Namespace

Modules: Column, Factory, Joining, Printing, Stacking, TableMethods, Util, ViewMethods Classes: BasicGrid, Group, Grouping, MaskedColumn, StaticView, View

Constant Summary collapse

VERSION = 
"0.4.0"

Constants included from Factory

Factory::CLASS_MAP, Factory::FACTORIES

Constants included from TableMethods

TableMethods::Util

Instance Attribute Summary collapse

Attributes included from TableMethods

#R

Instance Method Summary collapse

Methods included from Stacking::ClassMethods

_stack, stack

Methods included from Joining::ClassMethods

join

Methods included from Factory

included

Methods included from Stacking::InPlace

#stack!

Methods included from TableMethods

#==, #_get_sort_index, #apply, #clone, #each_row, #group_by, #method_missing, #ncols, #nrows, #respond_to?, #set_column, #sort_by, #where

Methods included from Stacking

process_stackable_grid, #stack, stack_segments

Methods included from Joining

copy_column, #join

Methods included from Printing

calc_column_widths, format_column, format_rows, format_section, #inspect, split_column_lines

Constructor Details

#initialize(columns = {}) ⇒ ObjectTable

Returns a new instance of ObjectTable.



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# File 'lib/object_table.rb', line 21

def initialize(columns = {})
  super()

  unless columns.is_a? BasicGrid
    columns = BasicGrid[columns]
  end
  columns._ensure_uniform_columns!
  @columns = columns

  @columns.each do |k, v|
    @columns[k] = NArray.to_na(v)
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class ObjectTable::TableMethods

Instance Attribute Details

#columns ⇒ Object (readonly)

Returns the value of attribute columns.



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# File 'lib/object_table.rb', line 19

def columns
  @columns
end

Instance Method Details

#add_column(name, typecode = 'object', *args) ⇒ Object 



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# File 'lib/object_table.rb', line 35

def add_column(name, typecode='object', *args)
  col = NArray.new(typecode, *args, nrows)
  columns[name] = col
end

#sort_by!(*keys) ⇒ Object 



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# File 'lib/object_table.rb', line 40

def sort_by!(*keys)
  sort_index = _get_sort_index(keys)

  columns.each do |k, v|
    columns[k] = v[sort_index]
  end
  self
end