Class: Rudis::List

Inherits:
Structure show all
Defined in:
lib/rudis/structures/list.rb

Instance Method Summary collapse

Methods inherited from Structure

#default_options, #del, #exists?, #expire, #expire_at, #redis_type, #rename, #ttl, #type, #watch

Methods inherited from Base

#default_options, #initialize, #key, #redis

Methods inherited from Rudis

key

Constructor Details

This class inherits a constructor from Rudis::Base

Instance Method Details

#[](thing) ⇒ Object 



29
30
31
32
33
34
35
 
# File 'lib/rudis/structures/list.rb', line 29

def [](thing)
  if thing.is_a? Fixnum
    index thing
  elsif thing.is_a? Range
    range thing
  end
end

#all ⇒ Object Also known as: to_a 



24
25
26
 
# File 'lib/rudis/structures/list.rb', line 24

def all
  range 0..-1
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


10
11
12
 
# File 'lib/rudis/structures/list.rb', line 10

def empty?
  len == 0
end

#index(i) ⇒ Object 



14
15
16
 
# File 'lib/rudis/structures/list.rb', line 14

def index(i)
  type.get(redis.lindex(key, i.to_i))
end

#len ⇒ Object Also known as: length, size, count 



3
4
5
 
# File 'lib/rudis/structures/list.rb', line 3

def len
  redis.llen(key)
end

#lpop ⇒ Object Also known as: shift 



60
61
62
63
 
# File 'lib/rudis/structures/list.rb', line 60

def lpop
  e = redis.lpop(key)
  e && type.get(e)
end

#lpush(val) ⇒ Object Also known as: unshift, >> 



54
55
56
 
# File 'lib/rudis/structures/list.rb', line 54

def lpush(val)
  redis.lpush(key, type.put(val))
end

#range(range) ⇒ Object 



18
19
20
21
22
 
# File 'lib/rudis/structures/list.rb', line 18

def range(range)
  redis.lrange(key, range.first.to_i, range.last.to_i).map do |e|
    type.get(e)
  end
end

#rpop ⇒ Object Also known as: pop 



48
49
50
51
 
# File 'lib/rudis/structures/list.rb', line 48

def rpop
  e = redis.rpop(key)
  e && type.get(e)
end

#rpush(val) ⇒ Object Also known as: push, << 



42
43
44
 
# File 'lib/rudis/structures/list.rb', line 42

def rpush(val)
  redis.rpush(key, type.put(val))
end

#set(i, val) ⇒ Object Also known as: []= 



37
38
39
 
# File 'lib/rudis/structures/list.rb', line 37

def set(i, val)
  redis.lset(key, i.to_i, type.put(val))
end

#trim(range) ⇒ Object Also known as: trim! 



66
67
68
 
# File 'lib/rudis/structures/list.rb', line 66

def trim(range)
  redis.trim(key, range.first.to_i, range.last.to_i)
end