Class: N::SafeArray

Inherits:
Array show all
Defined in:
lib/glue/array.rb

Overview

A thread-safe array. We use a sync object instead of a mutex, because it is re-entrant. An exclusive lock is needed when writing, a shared lock IS NEEDED when reading

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(delegator = nil) ⇒ SafeArray

gmosx: delegator is not used.



20
21
22
 
# File 'lib/glue/array.rb', line 20

def initialize(delegator = nil)
	@sync = ::Sync.new()
end

Instance Attribute Details

#sync ⇒ Object (readonly)

Returns the value of attribute sync.



16
17
18
 
# File 'lib/glue/array.rb', line 16

def sync
  @sync
end

Instance Method Details

#<<(value) ⇒ Object 



24
25
26
27
28
 
# File 'lib/glue/array.rb', line 24

def << (value)
	return @sync.synchronize(::Sync::SH) {
		super
	}		
end

#[](key) ⇒ Object 



36
37
38
39
40
 
# File 'lib/glue/array.rb', line 36

def [](key)
	return @sync.synchronize(::Sync::SH) {
		super
	}
end

#[]=(key, value) ⇒ Object 



42
43
44
45
46
 
# File 'lib/glue/array.rb', line 42

def []=(key, value)
	return @sync.synchronize(::Sync::EX) {
		super
	}
end

#clear ⇒ Object 



54
55
56
57
58
 
# File 'lib/glue/array.rb', line 54

def clear
	@sync.synchronize(::Sync::EX) {
		super
	}
end

#delete(key) ⇒ Object 



48
49
50
51
52
 
# File 'lib/glue/array.rb', line 48

def delete(key)
	return @sync.synchronize(::Sync::EX) {
		super
	}
end

#delete_if(&block) ⇒ Object 



30
31
32
33
34
 
# File 'lib/glue/array.rb', line 30

def delete_if(&block) 
	return @sync.synchronize(::Sync::SH) {
		super
	}				
end

#shift ⇒ Object 



66
67
68
69
70
 
# File 'lib/glue/array.rb', line 66

def shift
	return @sync.synchronize(::Sync::EX) {
		super
	}
end

#size ⇒ Object 



60
61
62
63
64
 
# File 'lib/glue/array.rb', line 60

def size
	return @sync.synchronize(::Sync::SH) {
		super
	}
end

#unshift(el) ⇒ Object 



72
73
74
75
76
 
# File 'lib/glue/array.rb', line 72

def unshift(el)
	return @sync.synchronize(::Sync::EX) {
		super
	}
end