Class: ObjectTable

Inherits:
Object
  • Object
show all
Includes:
Stacker, TableMethods
Defined in:
lib/object_table.rb,
lib/object_table/version.rb

Defined Under Namespace

Modules: Column, Printable, Stacker, TableChild, TableMethods, ViewMethods Classes: BasicGrid, Group, Grouped, MaskedColumn, StaticView, View

Constant Summary collapse

VERSION = 
"0.3.2"

Instance Attribute Summary collapse

Attributes included from TableMethods

#R

Instance Method Summary collapse

Methods included from Stacker

included, #stack!

Methods included from TableMethods

#==, #_apply_block, #_get_sort_index, #apply, #clone, #colnames, #group_by, #method_missing, #ncols, #nrows, #pop_column, #respond_to?, #set_column, #sort_by, #where

Methods included from Printable

#_format_rows, #_format_section, calc_column_widths, get_printable_column, #inspect

Constructor Details

#initialize(columns = {}) ⇒ ObjectTable

Returns a new instance of ObjectTable.



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# File 'lib/object_table.rb', line 16

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 14

def columns
  @columns
end

Instance Method Details

#__group_cls__ ⇒ Object 



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# File 'lib/object_table.rb', line 52

def __group_cls__
  self.class::Group
end

#__static_view_cls__ ⇒ Object 



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# File 'lib/object_table.rb', line 44

def __static_view_cls__
  self.class::StaticView
end

#__table_cls__ ⇒ Object 



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# File 'lib/object_table.rb', line 56

def __table_cls__
  self.class
end

#__view_cls__ ⇒ Object 



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# File 'lib/object_table.rb', line 48

def __view_cls__
  self.class::View
end

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



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# File 'lib/object_table.rb', line 30

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 35

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

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