Zend  Job  Queue  Pa-erns   Workflow  Processing  and  Service   Design  Pa-erns  

Service  Design  Pa-erns   Service  Design  Pa-erns:  Fundamental  Design  Solu?ons  for     SOAP/WSDL  and  RESTful  Web  Services     By  Robert  Daigneau   Publica?on  Date:  November  4,  2011   ISBN-­‐10:  032154420X   ISBN-­‐13:  978-­‐0321544209   Edi?on:  1  

Zend  Job  Queue  

Workflow  processor   Workflow  engines  govern  en?re  workflow  life   cycles  from  process  instan?a?on  to  termina?on.  

What  the  Zend  Job  Queue  is  not   •  It  is  not  perfect   •  It  is  not  well  documented   •  It  is  not  free   •  It  is  not  always  the  right  tool  

Alterna?ves  to  Zend  Job  Queue   •  Gearman+libgearman   •  Celery+Rhubarb   •  Cron/Chronos   •  PHP_Job-­‐Queue  

Why  do  I  need  this  extra  work?   •  Concurrency   •  Resiliency   •  Scaling  work  load   •  Reliability  of  task  execu?on  

Task  Responses  

Parsing  the  Zend  Job  Queue  Result  

The  pa-erns   •  Request/Response   •  Workflow  Connector   •  Request/Acknowledge   •  Request/Acknowledge/Poll   •  Request/Acknowledge/Callback  

Request/Response   h-p://servicedesignpa-erns.com/  

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Workflow  Connector   h-p://servicedesignpa-erns.com/  

Request/Acknowledge   h-p://servicedesignpa-erns.com/  

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Request/Acknowledge/Poll   h-p://servicedesignpa-erns.com/  

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Request/Acknowledge/Callback   h-p://servicedesignpa-erns.com/  

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Resources   •  The  Code  Examples:  h-ps://gist.github.com/ zircote/974ba6a3360874b75a14   •  h-p://gearman.org/   •  h-p://www.zend.com/en/products/server/ zend-­‐server-­‐job-­‐queue   •  ZendJobQueue  Autocomple?on  file:  h-ps:// gist.github.com/zircote/3189466   •  h-ps://github.com/astorm/Job-­‐Queue