Pattern_v1

//+------------------------------------------------------------------+
//|                                                      Pattern.mq5 |
//|                                    2019-2020, dimitri pecheritsa |
//|                                                 792112@gmail.com |
//+------------------------------------------------------------------+
#include <SRC\Patterns\PatternOrganizer.mqh>
//+------------------------------------------------------------------+
//| run                                                              |
//+------------------------------------------------------------------+
void OnStart() //launch pattern clients one by one and check result
  {
//---creational
   Run(new Creational::AbstractFactory::Client);
   Run(new Creational::Builder::Client);
   Run(new Creational::FactoryMethod::Client);
   Run(new Creational::Prototype::Client);
   Run(new Creational::Singleton::Client);
  }
//+------------------------------------------------------------------+
//| output > abstract factory                                        |
//+------------------------------------------------------------------+
//   Creational::AbstractFactory::Client::Output
//   client is requesting to create factory 1
//   client is requesting to create the factory client
//   client is requesting the factory client to manage factory 1
//   factory 1: 3145728 constructed
//   factory client created and received abstract factory 3145728
//   factory client is requesting to accept/switch the factories
//   factory client is accepting new factory 3145728
//   factory client saved the new factory
//   factory client is requesting its new factory to create product a
//   factory 1 is creating and returning product a1
//   product a1 constructed
//   factory client is requesting its new factory to create product b
//   factory 1 is creating and returning product b1
//   product b1 constructed
//   client is requesting the factory client to operate
//   factory client is running abstract product b
//   product b1: 5242880 is interacting with product a: 4194304
//   client is requesting to create new factory 2 and asking factory client to switch factories
//   factory 2: 6291456 constructed
//   factory client is switching old factory 3145728 to new factory 6291456
//   factory client saved the new factory
//   factory client is requesting its new factory to create product a
//   factory 2 is creating and returning product a2
//   product a2 constructed
//   factory client is requesting its new factory to create product b
//   factory 2 is creating and returning product b2
//   product b2 constructed
//   client is requesting the factory client to run again
//   factory client is running abstract product b
//   product b2: 8388608 is interacting with product a: 7340032
//+------------------------------------------------------------------+
//| output > builder                                                 |
//+------------------------------------------------------------------+
//   Creational::Builder::Client::Output
//   client is requesting to create a new concrete builder
//   client is requesting to create a director and give him the builder
//   director created and received builder 10485760
//   client is requesting the director to perform the construction
//   director has started the construction
//   director is requesting its builder to build the product parts
//   builder is requesting the product to add part a to itself
//   product added part a to itself
//   builder has made part a and added it to the product
//   builder is requesting the product to add part b to itself
//   product added part b to itself
//   builder has made part b and added it to the product
//   builder is requesting the product to add part c to itself
//   product added part c to itself
//   builder has made part c and added it to the product
//   director's builder constructed the product from parts
//   client is requesting the builder to return the result product
//   builder is returning the product
//   client is requesting the product the describe itself
//   product is showing all parts that it is made of
//   part a
//   part b
//   part c
//+------------------------------------------------------------------+
//| output > factory method                                          |
//+------------------------------------------------------------------+
//   Creational::FactoryMethod::Client::Output
//   requesting to make a creator
//   requesting creator to run its factory method to return the product
//   creator is running a factory method
//   concrete creator is creating and returning new concrete product
//   concrete product: 15728640 created
//   requesting creator to run its operation
//   creator is running its operation
//   creator is running a factory method
//   concrete creator is creating and returning new concrete product
//   concrete product: 16777216 created
//   creator has saved the product received from a virtual factory method
//+------------------------------------------------------------------+
//| output > prototype                                               |
//+------------------------------------------------------------------+
//   Creational::Prototype::Client::Output
//   requesting to create a concrete prototype 1 with id 1
//   prototype 18874368, id: 1 created
//   concrete prototype 1: 18874368, id: 1 created
//   requesting prototype 18874368 to create its clone
//   cloning concrete prototype 1: 18874368, id: 1
//   prototype 19922944, id: 1 created
//   concrete prototype 1: 19922944, id: 1 created
//   requesting to create a concrete prototype 2 with id 2
//   prototype 20971520, id: 2 created
//   concrete prototype 2: 20971520, id: 2 created
//   requesting prototype 20971520 to create its clone
//   cloning concrete prototype 2: 20971520, id: 2
//   prototype 22020096, id: 2 created
//   concrete prototype 2: 22020096, id: 2 created
//+------------------------------------------------------------------+
//| output > singleton                                               |
//+------------------------------------------------------------------+
//   Creational::Singleton::Client::Output
//   requesting singleton instance 1
//   singleton instance method is running
//   unique instance of the singleton is empty
//   singleton 24117248 created
//   singleton assigned to unique instance
//   unique instance contains singleton: 24117248
//   returning the unique instance 24117248 of the singleton
//   requesting singleton instance 2
//   singleton instance method is running
//   unique instance contains singleton: 24117248
//   returning the unique instance 24117248 of the singleton
//   instances 1 and instance 2 are same objects
//   requesting singleton operation on instance 1
//   running singleton operation > setting singleton data
//   requesting singleton data via singleton instance 2
//   reading and returning singleton data
//   singleton data
//+------------------------------------------------------------------+