Class: WorkflowRb::MemoryPersistenceProvider

Inherits:
Object
  • Object
show all
Defined in:
lib/workflow_rb/services/memory_persistence_provider.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ MemoryPersistenceProvider

Returns a new instance of MemoryPersistenceProvider.



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# File 'lib/workflow_rb/services/memory_persistence_provider.rb', line 8

def initialize
  @instances = []
  @subscriptions = []
  @unpublished_events = []
  @semaphore = Mutex.new
end

Instance Method Details

#create_new_workflow(workflow) ⇒ Object 



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# File 'lib/workflow_rb/services/memory_persistence_provider.rb', line 15

def create_new_workflow(workflow)
  workflow.id = SecureRandom.uuid
  @instances << workflow
  workflow.id
end

#create_subscription(subscription) ⇒ Object 



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# File 'lib/workflow_rb/services/memory_persistence_provider.rb', line 37

def create_subscription(subscription)
  subscription.id = SecureRandom.uuid
  @subscriptions << subscription
  subscription.id
end

#create_unpublished_event(pub) ⇒ Object 



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# File 'lib/workflow_rb/services/memory_persistence_provider.rb', line 53

def create_unpublished_event(pub)
  @unpublished_events << pub
end

#get_runnable_instances ⇒ Object 



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# File 'lib/workflow_rb/services/memory_persistence_provider.rb', line 32

def get_runnable_instances
  @instances.select {|item| item.next_execution and (item.next_execution <= Time.new) and (item.status == WorkflowStatus::RUNNABLE)}
      .map {|item| item.id}
end

#get_subscriptions(event_name, event_key) ⇒ Object 



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# File 'lib/workflow_rb/services/memory_persistence_provider.rb', line 43

def get_subscriptions(event_name, event_key)
  @subscriptions.select { |sub| sub.event_name == event_name and sub.event_key == event_key }
end

#get_unpublished_events ⇒ Object 



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# File 'lib/workflow_rb/services/memory_persistence_provider.rb', line 61

def get_unpublished_events
  @unpublished_events
end

#get_workflow_instance(id) ⇒ Object 



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# File 'lib/workflow_rb/services/memory_persistence_provider.rb', line 28

def get_workflow_instance(id)
  @instances.select {|item| item.id == id}.first
end

#persist_workflow(workflow) ⇒ Object 



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# File 'lib/workflow_rb/services/memory_persistence_provider.rb', line 21

def persist_workflow(workflow)
  @semaphore.synchronize do
    @instances.delete_if {|item| item.id == workflow.id }
    @instances << workflow
  end
end

#remove_unpublished_event(id) ⇒ Object 



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# File 'lib/workflow_rb/services/memory_persistence_provider.rb', line 57

def remove_unpublished_event(id)
  @unpublished_events.delete_if { |pub| pub.id == id }
end

#terminate_subscription(id) ⇒ Object 



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# File 'lib/workflow_rb/services/memory_persistence_provider.rb', line 47

def terminate_subscription(id)
  @semaphore.synchronize do
    @subscriptions.delete_if { |sub| sub.id == id }
  end
end