Class: Cheri::Builder::InstanceContext

Inherits:
Object
  • Object
show all
Defined in:
lib/cheri/builder/context.rb

Constant Summary collapse

Col = 
java.util.Collections
Map = 
java.util.HashMap
WMap = 
java.util.WeakHashMap

Instance Method Summary collapse

Constructor Details

#initialize(client, cfg) ⇒ InstanceContext

call-seq:

InstanceContext.new(client,builder_modules) -> anInstanceContext



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# File 'lib/cheri/builder/context.rb', line 40

def initialize(client,cfg)
#    @c = client
  @g = cfg
  # TODO: properties, aliases should probably be threadsafe hashes/maps,
  # though contention would be extremely unlikely given expected usage (any
  # puts likely to be made on the instantiating thread, immediately
  # upon instantiation).
  @p = {} # properties
  @l = {} # aliases
  # TODO: find a better way to do this    
  if self.class.const_defined?("Map")
    @h = Col.synchronized_map WMap.new
    @t = true # use Thread as key
  else
    # TODO: should use weak hash here
    # TODO: threadsafe Ruby Hash implementation?
    @h = {}
  end
end

Instance Method Details

#[](k) ⇒ Object 



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# File 'lib/cheri/builder/context.rb', line 89

def [](k)
  @p[k]
end

#[]=(k, v) ⇒ Object 



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# File 'lib/cheri/builder/context.rb', line 93

def []=(k,v)
  @p[k] = v
end

#aliases ⇒ Object 



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# File 'lib/cheri/builder/context.rb', line 97

def aliases
  @l
end

#auto ⇒ Object 



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# File 'lib/cheri/builder/context.rb', line 68

def auto
  @u
end

#auto!(m) ⇒ Object

Raises:

  • (BuilderException) 


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# File 'lib/cheri/builder/context.rb', line 76

def auto!(m)
  raise BuilderException,"not an included builder module: #{m}" unless @g.include?(m)
  if @u
    @u << m unless @u.include?(m)
  else
   @u = [m]
  end
end

#auto?(m) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cheri/builder/context.rb', line 72

def auto?(m)
  @u && @u.include?(m)  
end

#cfg ⇒ Object

def client

  @c  
end



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# File 'lib/cheri/builder/context.rb', line 64

def cfg
  @g  
end

#current ⇒ Object

call-seq:

current -> context object for the current instance/thread



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# File 'lib/cheri/builder/context.rb', line 104

def current
  key = @t ? Thread.current : Thread.current.__id__
  @h[key] ||= Context.new(self,@c)
#    Thread.current[:cheri_ctx] ||= Context.new(self,nil)
end

#inspect ⇒ Object

Overrides the default Object#inspect to prevent mind-boggling circular displays in IRB.



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# File 'lib/cheri/builder/context.rb', line 111

def inspect
  to_s 
end

#props ⇒ Object 



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# File 'lib/cheri/builder/context.rb', line 85

def props
  @p  
end