Class: KXI::Collections::ArrayCollection

Inherits:
Enumerable
  • Object
show all
Defined in:
lib/kxi/collections/array_collection.rb

Overview

Makes array enumerable

Defined Under Namespace

Classes: ArrayEnumerator

Instance Method Summary collapse

Methods inherited from Enumerable

#aggregate, #all, #any, #can_alter?, #count, #enumerator, #first, #first!, #foreach, #last, #last!, #max, #min, #of_type, #of_type!, #order_by, #order_by_descending, #select, #select_many, #skip, #take, #to_array, #where

Constructor Details

#initialize(array = []) ⇒ ArrayCollection

Instantiates the KXI::Collections::ArrayCollection class



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# File 'lib/kxi/collections/array_collection.rb', line 9

def initialize(array = [])
  super()
  @arr = array
end

Instance Method Details

#[](index) ⇒ Object

Obtains value in array at specific index

Raises:



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# File 'lib/kxi/collections/array_collection.rb', line 24

def [](index)
  raise(KXI::Exceptions::OutOfRangeException.new(index)) if @arr.length == 0
  raise(KXI::Exceptions::OutOfRangeException.new(index, 0, @arr.length - 1)) if index < 0 or index >= @arr.length
  lock do
    return @arr[index]
  end
end

#[]=(index, value) ⇒ Object

Sets value of array at specific index

Raises:



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# File 'lib/kxi/collections/array_collection.rb', line 38

def []=(index, value)
  raise(KXI::Exceptions::OutOfRangeException.new(index)) if @arr.length == 0
  raise(KXI::Exceptions::OutOfRangeException.new(index, 0, @arr.length - 1)) if index < 0 or index >= @arr.length
  lock(true) do
    @arr[index] = value
  end
  return value
end

#add(value) ⇒ Number

Adds value into array

Raises:



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# File 'lib/kxi/collections/array_collection.rb', line 51

def add(value)
  idx = @arr.length
  lock(true) do
    @arr.push(value)
  end
  return idx
end

#remove_at(index) ⇒ Object

Removes item at specific index

Raises:



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# File 'lib/kxi/collections/array_collection.rb', line 64

def remove_at(index)
  raise(KXI::Exceptions::OutOfRangeException.new(index)) if @arr.length == 0
  raise(KXI::Exceptions::OutOfRangeException.new(index, 0, @arr.length - 1)) if index < 0 or index >= @arr.length
  ret = nil
  lock(true) do
    ret = @arr.delete_at(index)
  end
  return ret
end