Class: Nagios::MkLiveStatus::Query

Inherits:
Object
  • Object
show all
Defined in:
lib/nagios_mklivestatus/query.rb

Overview

This class is used to create a nagios mklivestatus query

  • get : is the object we are looking for

  • columns : are the fields we need from the object

  • filters : are the filters applied to the query

By default the query get all the columns of the object without filter. If you add any columns or filter they will take place in the query

Author

Esco-lan Team ([email protected])

Copyright

Copyright © 2011 GIP RECIA

License

General Public Licence

Instance Method Summary collapse

Constructor Details

#initialize(base = nil) ⇒ Query

Constructor of the Query instance base is by default nil but if its filled the base if associated to the GET of the query



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# File 'lib/nagios_mklivestatus/query.rb', line 20

def initialize(base=nil)
  get(base)
end

Instance Method Details

#addColumn(name) ⇒ Object

Add a field to get in the query for the GET object



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# File 'lib/nagios_mklivestatus/query.rb', line 32

def addColumn(name)
  if not name == nil or name.empty?
    if @columns == nil
      @columns=Array.new
    end
    
    @columns.push(name)
  end
end

#addFilter(expression) ⇒ Object

Add a filter to the query



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# File 'lib/nagios_mklivestatus/query.rb', line 43

def addFilter(expression)
  if not expression == nil or expression.empty?
    if @filters == nil
      @filters=Array.new
    end
    
    @filters.push(expression)
  end
end

#get(get) ⇒ Object

Get method is used to set the object to search for in nagios mklivestatus



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# File 'lib/nagios_mklivestatus/query.rb', line 25

def get(get)
  if get != nil and not get.empty?
    @get = get
  end
end

#to_s ⇒ Object

short cut to the method to_socket



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# File 'lib/nagios_mklivestatus/query.rb', line 54

def to_s
  return to_socket
end

#to_socket ⇒ Object

method used to generate the query from the field if get is not set then the method return an empty string



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# File 'lib/nagios_mklivestatus/query.rb', line 60

def to_socket
  query = String.new
  if @get != nil
    query << "GET "+@get+"\n"
    
    if @columns != nil and @columns.length > 0
      query << "Columns:"
      @columns.each do |column|
        query << " "+column
      end
      query << "\n"
    end
    
    if @filters != nil and @filters.length > 0
      @filters.each do |filter|
        query << "Filter: "+filter+"\n"
      end
    end
  end
  
  return query
end