Class: ActiveWarehouse::AggregateMap

Inherits:
Object
  • Object
show all
Defined in:
lib/active_warehouse/cube.rb

Overview

In-memory map of aggregate values

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ AggregateMap

Initialize the aggregate map



267
268
269
 
# File 'lib/active_warehouse/cube.rb', line 267

def initialize
  @m = {}
end

Instance Attribute Details

#length ⇒ Object (readonly)

Returns the value of attribute length.



264
265
266
 
# File 'lib/active_warehouse/cube.rb', line 264

def length
  @length
end

Instance Method Details

#add_data(row_path, col_path, data_array) ⇒ Object

Add an array of data for the given row and column path



296
297
298
299
300
301
 
# File 'lib/active_warehouse/cube.rb', line 296

def add_data(row_path, col_path, data_array)
  @length ||= data_array.length
  #puts "Adding data for #{row_path}, #{col_path} [data=[#{data_array.join(',')}]]"
  @m[row_path] ||= {}
  @m[row_path][col_path] = data_array
end

#has_row_path?(row_path) ⇒ Boolean

Return true if the aggregate map includes the specified row path

Returns:

  • (Boolean) 


272
273
274
 
# File 'lib/active_warehouse/cube.rb', line 272

def has_row_path?(row_path)
  @m.has_key?(row_path)
end

#value(row_path, col_path, field_index) ⇒ Object

Get the value for the specified row path, column path and field index



277
278
279
280
281
282
283
284
 
# File 'lib/active_warehouse/cube.rb', line 277

def value(row_path, col_path, field_index)
  #puts "Getting value for #{row_path}, #{col_path} [field=#{field_index}]"
  row = @m[row_path]
  return 0 if row.nil?
  col = row[col_path]
  return 0 if col.nil?
  return col[field_index] || 0
end

#values(row_path, col_path) ⇒ Object

Get an array of the values for the specified row path and column path



287
288
289
290
291
292
293
 
# File 'lib/active_warehouse/cube.rb', line 287

def values(row_path, col_path)
  row = @m[row_path]
  return Array.new(length, 0) if row.nil?
  col = row[col_path]
  return Array.new(length, 0) if col.nil?
  col
end