Class: LiveData::Channel

Inherits:
Object
  • Object
show all
Defined in:
lib/live_data/channel.rb

Overview

Channel is used to maintain users, groups and user-group relation

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name = nil) ⇒ Channel

Create a new channel



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# File 'lib/live_data/channel.rb', line 14

def initialize( name = nil )
   @name   = name || self
   @users  = {}
   @groups = {}
   @user_in_groups = {}
   @group_have_users = {}
end

Instance Attribute Details

#group_have_users ⇒ Object

Returns the value of attribute group_have_users.



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# File 'lib/live_data/channel.rb', line 10

def group_have_users
  @group_have_users
end

#groups ⇒ Object

Returns the value of attribute groups.



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# File 'lib/live_data/channel.rb', line 8

def groups
  @groups
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/live_data/channel.rb', line 11

def name
  @name
end

#user_in_groups ⇒ Object

Returns the value of attribute user_in_groups.



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# File 'lib/live_data/channel.rb', line 9

def user_in_groups
  @user_in_groups
end

#users ⇒ Object

Returns the value of attribute users.



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# File 'lib/live_data/channel.rb', line 7

def users
  @users
end

Instance Method Details

#create_group(name) ⇒ Object

Create a group, if the group is not present in the group list

Parameters

  • name - Group name



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# File 'lib/live_data/channel.rb', line 63

def create_group( name )
   unless( @groups[name] ) 
      @groups[name] = LiveData::Group.new( name, self )
      @group_have_users[name] = @groups[name].users
   end
   return @groups[name]
end

#create_user(name) ⇒ Object

Create a user, if he is not present in the user list

Parameters

  • name - User name



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# File 'lib/live_data/channel.rb', line 52

def create_user( name )
   unless( @users[name] ) 
      @users[name] = LiveData::User.new( name, self )
      @user_in_groups[name] = @users[name].groups
   end
   return @users[name]
end

#destroy ⇒ Object

Destroy current channel



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# File 'lib/live_data/channel.rb', line 97

def destroy
   @users.each{|name,obj|
      obj.destroy()
   }
   @groups.each{|name,obj|
      obj.destroy()
   }
end

#destroy_group(name) ⇒ Object

Destroy a group

Parameters

  • name - Group name



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# File 'lib/live_data/channel.rb', line 92

def destroy_group( name )
   @groups[name].destroy()
end

#destroy_user(name) ⇒ Object

Destroy a user

Parameters

  • name - User name



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# File 'lib/live_data/channel.rb', line 84

def destroy_user( name )
   @users[name].destroy()
end

#get_group(name) ⇒ Object

Get group object



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# File 'lib/live_data/channel.rb', line 77

def get_group( name )
   @groups[name]
end

#get_user(name) ⇒ Object

Get user object



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# File 'lib/live_data/channel.rb', line 72

def get_user( name )
   @users[name]
end

#write(data) ⇒ Object

Write data in any format

Parameters

  • data - it may be any Object.



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# File 'lib/live_data/channel.rb', line 43

def write( data )
   @users.each{|user_name, user|
      user.write( data )
   }
end

#write_json(json_data) ⇒ Object

Write json data

Parameters

  • json_data - String which contain data in json format



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# File 'lib/live_data/channel.rb', line 34

def write_json( json_data )
   @users.each{|user_name, user|
      user.write_json( json_data )
   }
end

#write_yaml(yaml_data) ⇒ Object

Write yaml data

Parameters

  • yaml_data - String which contain data in yaml format



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# File 'lib/live_data/channel.rb', line 25

def write_yaml( yaml_data )
   @users.each{|user_name, user|
      user.write_yaml( yaml_data )
   }
end