Class: Wref::Implementations::Weakling

Inherits:
Object
  • Object
show all
Defined in:
lib/wref/implementations/weakling.rb

Instance Method Summary collapse

Constructor Details

#initialize(object) ⇒ Weakling

Returns a new instance of Weakling.



2
3
4
5
 
# File 'lib/wref/implementations/weakling.rb', line 2

def initialize(object)
  require "weakling"
  @weak_ref = ::Weakling::WeakRef.new(object)
end

Instance Method Details

#alive? ⇒ Boolean

Returns:

  • (Boolean) 


23
24
25
26
27
28
29
30
 
# File 'lib/wref/implementations/weakling.rb', line 23

def alive?
  begin
    @weak_ref.get
    return true
  rescue ::WeakRef::RefError, ::Java::JavaLang::NullPointerException
    return false
  end
end

#get ⇒ Object 



7
8
9
10
11
12
13
 
# File 'lib/wref/implementations/weakling.rb', line 7

def get
  begin
    @weak_ref.get
  rescue ::WeakRef::RefError, ::Java::JavaLang::NullPointerException
    return nil
  end
end

#get! ⇒ Object 



15
16
17
18
19
20
21
 
# File 'lib/wref/implementations/weakling.rb', line 15

def get!
  begin
    @weak_ref.get
  rescue ::WeakRef::RefError, ::Java::JavaLang::NullPointerException
    raise Wref::Recycled
  end
end