Class: Log4r::Logger::Repository

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/log4r/repository.rb

Overview

The repository stores a Hash of loggers keyed to their fullnames and provides a few functions to reduce the code bloat in log4r/logger.rb. This class is supposed to be transparent to end users, hence it is a class within Logger. If anyone knows how to make this private, let me know.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Repository

Returns a new instance of Repository.



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# File 'lib/log4r/repository.rb', line 29

def initialize
  @loggers = Hash.new
end

Instance Attribute Details

#loggers ⇒ Object (readonly)

Returns the value of attribute loggers.



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# File 'lib/log4r/repository.rb', line 27

def loggers
  @loggers
end

Class Method Details

.[](fullname) ⇒ Object 



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# File 'lib/log4r/repository.rb', line 33

def self.[](fullname)
  Thread.exclusive do
    instance.loggers[fullname]
  end # exclusive
end

.[]=(fullname, logger) ⇒ Object 



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# File 'lib/log4r/repository.rb', line 39

def self.[]=(fullname, logger)
  Thread.exclusive do
    instance.loggers[fullname] = logger
  end # exclusive
end

.all_children(parent) ⇒ Object

Retrieves all children of a parent



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# File 'lib/log4r/repository.rb', line 46

def self.all_children(parent)
  # children have the parent name + delimiter in their fullname
  daddy = parent.name + Private::Config::LoggerPathDelimiter
  Thread.exclusive do
    for fullname, logger in instance.loggers
      yield logger if parent.is_root? || fullname =~ /#{daddy}/
    end
  end # exclusive
end

.find_ancestor(path) ⇒ Object

looks for the first defined logger in a child’s path or nil if none found (which will then be rootlogger)



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# File 'lib/log4r/repository.rb', line 70

def self.find_ancestor(path)
  arr = path.split Log4rConfig::LoggerPathDelimiter
  logger = nil
  Thread.exclusive do
    while arr.size > 0 do
      logger = Repository[arr.join(Log4rConfig::LoggerPathDelimiter)]
      break unless logger.nil?
      arr.pop
    end
  end # exclusive
  logger
end

.reassign_any_children(parent) ⇒ Object

when new loggers are introduced, they may get inserted into an existing inheritance tree. this method updates the children of a logger to link their new parent



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# File 'lib/log4r/repository.rb', line 59

def self.reassign_any_children(parent)
  Thread.exclusive do
    for fullname, logger in instance.loggers
      next if logger.is_root?
      logger.parent = parent if logger.path =~ /^#{parent.fullname}$/
    end
  end # exclusive
end