Class: Ohm::SortedSet

Inherits:
Model::Collection
  • Object
show all
Includes:
SortedMethods
Defined in:
lib/ohm/sorted.rb,
lib/ohm/sorted.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from SortedMethods

#between, #count, #ids, #offset, #range, #slice

Constructor Details

#initialize(key, namespace, model, options = {}) ⇒ SortedSet

Returns a new instance of SortedSet.



89
90
91
92
93
94
 
# File 'lib/ohm/sorted.rb', line 89

def initialize(key, namespace, model, options={})
  @key = key
  @model = model
  @namespace = namespace
  @options = options
end

Instance Attribute Details

#key ⇒ Object (readonly)

Returns the value of attribute key.



85
86
87
 
# File 'lib/ohm/sorted.rb', line 85

def key
  @key
end

#model ⇒ Object (readonly)

Returns the value of attribute model.



87
88
89
 
# File 'lib/ohm/sorted.rb', line 87

def model
  @model
end

#namespace ⇒ Object (readonly)

Returns the value of attribute namespace.



86
87
88
 
# File 'lib/ohm/sorted.rb', line 86

def namespace
  @namespace
end

Instance Method Details

#[](id) ⇒ Object 



104
105
106
 
# File 'lib/ohm/sorted.rb', line 104

def [](id)
  model[id] if !!db.zrank(key, id)
end

#all ⇒ Object 



116
117
118
 
# File 'lib/ohm/sorted.rb', line 116

def all
  ids.map(&model)
end

#db ⇒ Object 



77
78
79
 
# File 'lib/ohm/sorted.rb', line 77

def db
  model.db
end

#each(&block) ⇒ Object 



100
101
102
 
# File 'lib/ohm/sorted.rb', line 100

def each(&block)
  ids.each { |id| block.call(model.to_proc[id]) }
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


112
113
114
 
# File 'lib/ohm/sorted.rb', line 112

def empty?
  size == 0
end

#first ⇒ Object 



64
65
66
 
# File 'lib/ohm/sorted.rb', line 64

def first
  fetch(execute { |key| db.zrange(key, 0, 1) }).first
end

#include?(model) ⇒ Boolean

Returns:

  • (Boolean) 


125
126
127
 
# File 'lib/ohm/sorted.rb', line 125

def include?(model)
  !!db.zrank(key, model.id)
end

#inspect ⇒ Object 



129
130
131
 
# File 'lib/ohm/sorted.rb', line 129

def inspect
  "#<SortedSet (#{model}): #{db.zrange(key, 0, -1).inspect}>"
end

#size ⇒ Object 



60
61
62
 
# File 'lib/ohm/sorted.rb', line 60

def size
  execute { |key| db.zcard(key) }
end