Class: Wref::Implementations::JavaWeakReference

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

Instance Method Summary collapse

Constructor Details

#initialize(object) ⇒ JavaWeakReference

Returns a new instance of JavaWeakReference.



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# File 'lib/wref/implementations/java_weak_reference.rb', line 2

def initialize(object)
  require "java"
  @weakref = java.lang.ref.WeakReference.new(object)
end

Instance Method Details

#alive? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/wref/implementations/java_weak_reference.rb', line 17

def alive?
  object = @weakref.get

  if object == nil
    return false
  else
    return true
  end
end

#get ⇒ Object 



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# File 'lib/wref/implementations/java_weak_reference.rb', line 7

def get
  return @weakref.get
end

#get! ⇒ Object

Raises:



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# File 'lib/wref/implementations/java_weak_reference.rb', line 11

def get!
  object = @weakref.get
  raise Wref::Recycled if object == nil
  return object
end