What is this technique called?












2














public static List<Holiday> holidays {
get {
if(holidays == null)
holidays=[Select h.StartTimeInMinutes, h.Name, h.ActivityDate From Holiday h];
return holidays;
}
private set;
}


Reference links if possible.










share|improve this question









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    2














    public static List<Holiday> holidays {
    get {
    if(holidays == null)
    holidays=[Select h.StartTimeInMinutes, h.Name, h.ActivityDate From Holiday h];
    return holidays;
    }
    private set;
    }


    Reference links if possible.










    share|improve this question









    New contributor




    John Lima is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























      2












      2








      2







      public static List<Holiday> holidays {
      get {
      if(holidays == null)
      holidays=[Select h.StartTimeInMinutes, h.Name, h.ActivityDate From Holiday h];
      return holidays;
      }
      private set;
      }


      Reference links if possible.










      share|improve this question









      New contributor




      John Lima is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      public static List<Holiday> holidays {
      get {
      if(holidays == null)
      holidays=[Select h.StartTimeInMinutes, h.Name, h.ActivityDate From Holiday h];
      return holidays;
      }
      private set;
      }


      Reference links if possible.







      apex apex-variable






      share|improve this question









      New contributor




      John Lima is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question









      New contributor




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      share|improve this question




      share|improve this question








      edited 3 hours ago









      Robs

      1,621528




      1,621528






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      asked 3 hours ago









      John LimaJohn Lima

      314




      314




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      Check out our Code of Conduct.






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          2 Answers
          2






          active

          oldest

          votes


















          6














          It's called Lazy Loading or Lazy initialization



          Reference:




          • https://en.wikipedia.org/wiki/Lazy_loading






          share|improve this answer





























            1














            Well its combination of few, As Robs mentioned its caled lazy loading. Also Its called as Singleton Pattern.



            Singleton pattern makes sure, you have a single instance of a particular instancein the whole transaction(in your case holidays).



            Src: https://developer.salesforce.com/page/Apex_Design_Patterns_-_Singleton






            share|improve this answer

















            • 3




              Singleton is generally used when you want a single instance of a class rather than a property value.
              – Robs
              1 hour ago











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            2 Answers
            2






            active

            oldest

            votes








            2 Answers
            2






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            6














            It's called Lazy Loading or Lazy initialization



            Reference:




            • https://en.wikipedia.org/wiki/Lazy_loading






            share|improve this answer


























              6














              It's called Lazy Loading or Lazy initialization



              Reference:




              • https://en.wikipedia.org/wiki/Lazy_loading






              share|improve this answer
























                6












                6








                6






                It's called Lazy Loading or Lazy initialization



                Reference:




                • https://en.wikipedia.org/wiki/Lazy_loading






                share|improve this answer












                It's called Lazy Loading or Lazy initialization



                Reference:




                • https://en.wikipedia.org/wiki/Lazy_loading







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 3 hours ago









                RobsRobs

                1,621528




                1,621528

























                    1














                    Well its combination of few, As Robs mentioned its caled lazy loading. Also Its called as Singleton Pattern.



                    Singleton pattern makes sure, you have a single instance of a particular instancein the whole transaction(in your case holidays).



                    Src: https://developer.salesforce.com/page/Apex_Design_Patterns_-_Singleton






                    share|improve this answer

















                    • 3




                      Singleton is generally used when you want a single instance of a class rather than a property value.
                      – Robs
                      1 hour ago
















                    1














                    Well its combination of few, As Robs mentioned its caled lazy loading. Also Its called as Singleton Pattern.



                    Singleton pattern makes sure, you have a single instance of a particular instancein the whole transaction(in your case holidays).



                    Src: https://developer.salesforce.com/page/Apex_Design_Patterns_-_Singleton






                    share|improve this answer

















                    • 3




                      Singleton is generally used when you want a single instance of a class rather than a property value.
                      – Robs
                      1 hour ago














                    1












                    1








                    1






                    Well its combination of few, As Robs mentioned its caled lazy loading. Also Its called as Singleton Pattern.



                    Singleton pattern makes sure, you have a single instance of a particular instancein the whole transaction(in your case holidays).



                    Src: https://developer.salesforce.com/page/Apex_Design_Patterns_-_Singleton






                    share|improve this answer












                    Well its combination of few, As Robs mentioned its caled lazy loading. Also Its called as Singleton Pattern.



                    Singleton pattern makes sure, you have a single instance of a particular instancein the whole transaction(in your case holidays).



                    Src: https://developer.salesforce.com/page/Apex_Design_Patterns_-_Singleton







                    share|improve this answer












                    share|improve this answer



                    share|improve this answer










                    answered 3 hours ago









                    Pranay JaiswalPranay Jaiswal

                    13.8k32351




                    13.8k32351








                    • 3




                      Singleton is generally used when you want a single instance of a class rather than a property value.
                      – Robs
                      1 hour ago














                    • 3




                      Singleton is generally used when you want a single instance of a class rather than a property value.
                      – Robs
                      1 hour ago








                    3




                    3




                    Singleton is generally used when you want a single instance of a class rather than a property value.
                    – Robs
                    1 hour ago




                    Singleton is generally used when you want a single instance of a class rather than a property value.
                    – Robs
                    1 hour ago










                    John Lima is a new contributor. Be nice, and check out our Code of Conduct.










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