Package com.github.philippheuer.events4j.core

Class EventManager

java.lang.Object
com.github.philippheuer.events4j.core.EventManager
All Implemented Interfaces:
com.github.philippheuer.events4j.api.IEventManager, java.lang.AutoCloseable
public class EventManager
extends java.lang.Object
implements com.github.philippheuer.events4j.api.IEventManager
The EventManager
Since:
1.0

  • Constructor Summary

    Constructors
    Constructor Description
    EventManager()
    Constructor

  • Method Summary

    Modifier and Type Method Description
    void autoDiscovery()
    Automatic discovery of optional components
    void close()
    Shutdown
    java.util.List<com.github.philippheuer.events4j.api.domain.IEventSubscription> getActiveSubscriptions()  
    java.util.concurrent.atomic.AtomicInteger getConsumerSequence()
    Holds the current sequence for consumer registrations
    java.lang.String getDefaultEventHandler()
    Default EventHandler
    <E extends com.github.philippheuer.events4j.api.service.IEventHandler>
    E    		 getEventHandler​(java.lang.Class<E> eventHandlerClass)
    Retrieves a EventHandler of the provided type
    java.util.Map<java.lang.String,​java.lang.Class<? extends com.github.philippheuer.events4j.api.service.IEventHandler>> getEventHandlerCache()
    EventHandler Class Cache
    java.util.List<com.github.philippheuer.events4j.api.service.IEventHandler> getEventHandlers()
    Event Handlers
    com.github.philippheuer.events4j.api.service.IServiceMediator getServiceMediator()
    Holds the ServiceMediator
    boolean hasEventHandler​(java.lang.Class<? extends com.github.philippheuer.events4j.api.service.IEventHandler> eventHandlerClass)
    Checks if a given eventHandler is registered / present
    boolean isStopped()
    is Stopped?
    <E> com.github.philippheuer.events4j.api.domain.IEventSubscription onEvent​(java.lang.Class<E> eventClass, java.util.function.Consumer<E> consumer)
    Registers a event consumer
    <E> com.github.philippheuer.events4j.api.domain.IEventSubscription onEvent​(java.lang.String id, java.lang.Class<E> eventClass, java.util.function.Consumer<E> consumer)
    Registers a event consumer and assigns a id
    void publish​(java.lang.Object event)
    Dispatches a event
    void registerEventHandler​(com.github.philippheuer.events4j.api.service.IEventHandler eventHandler)
    Registers a EventHandler
    void setDefaultEventHandler​(java.lang.Class eventHandler)
    Sets the default eventHandler
    void setDefaultEventHandler​(java.lang.String eventHandler)
    Sets the default eventHandler

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • EventManager

      public EventManager()
      Constructor

  • Method Details

    • registerEventHandler

      public void registerEventHandler​(com.github.philippheuer.events4j.api.service.IEventHandler eventHandler)
      Registers a EventHandler
      Specified by:
      registerEventHandler in interface com.github.philippheuer.events4j.api.IEventManager
      Parameters:
      eventHandler - IEventHandler

    • getActiveSubscriptions

      public java.util.List<com.github.philippheuer.events4j.api.domain.IEventSubscription> getActiveSubscriptions()
      Specified by:
      getActiveSubscriptions in interface com.github.philippheuer.events4j.api.IEventManager
      Returns:
      returns the list of all active subscriptions

    • autoDiscovery

      public void autoDiscovery()
      Automatic discovery of optional components

    • publish

      public void publish​(java.lang.Object event)
      Dispatches a event
      Specified by:
      publish in interface com.github.philippheuer.events4j.api.IEventManager
      Parameters:
      event - A event of any kinds, should implement IEvent if possible

    • hasEventHandler

      public boolean hasEventHandler​(java.lang.Class<? extends com.github.philippheuer.events4j.api.service.IEventHandler> eventHandlerClass)
      Checks if a given eventHandler is registered / present
      Specified by:
      hasEventHandler in interface com.github.philippheuer.events4j.api.IEventManager
      Parameters:
      eventHandlerClass - the event handler class
      Returns:
      boolean

    • getEventHandler

      public <E extends com.github.philippheuer.events4j.api.service.IEventHandler> E getEventHandler​(java.lang.Class<E> eventHandlerClass)
      Retrieves a EventHandler of the provided type
      Specified by:
      getEventHandler in interface com.github.philippheuer.events4j.api.IEventManager
      Type Parameters:
      E - the eventHandler type
      Parameters:
      eventHandlerClass - the event handler class
      Returns:
      a reference to the requested event handler

    • onEvent

      public <E> com.github.philippheuer.events4j.api.domain.IEventSubscription onEvent​(java.lang.Class<E> eventClass, java.util.function.Consumer<E> consumer)
      Registers a event consumer
      Specified by:
      onEvent in interface com.github.philippheuer.events4j.api.IEventManager
      Type Parameters:
      E - the event type
      Parameters:
      eventClass - the event class to obtain events from
      consumer - the event consumer / handler method
      Returns:
      a new Disposable of the given eventType

    • onEvent

      public <E> com.github.philippheuer.events4j.api.domain.IEventSubscription onEvent​(java.lang.String id, java.lang.Class<E> eventClass, java.util.function.Consumer<E> consumer)
      Registers a event consumer and assigns a id

      This method will return null if the id was already used.

      Type Parameters:
      E - the event type
      Parameters:
      id - unique id used to identify this consumer
      eventClass - the event class to obtain events from
      consumer - the event consumer / handler method
      Returns:
      a new Disposable of the given eventType

    • setDefaultEventHandler

      public void setDefaultEventHandler​(java.lang.Class eventHandler)
      Sets the default eventHandler
      Parameters:
      eventHandler - eventHandler

    • setDefaultEventHandler

      public void setDefaultEventHandler​(java.lang.String eventHandler)
      Sets the default eventHandler
      Parameters:
      eventHandler - canonical name of the eventHandler class

    • close

      public void close()
      Shutdown
      Specified by:
      close in interface java.lang.AutoCloseable

    • getServiceMediator

      public com.github.philippheuer.events4j.api.service.IServiceMediator getServiceMediator()
      Holds the ServiceMediator
      Specified by:
      getServiceMediator in interface com.github.philippheuer.events4j.api.IEventManager

    • getEventHandlers

      public java.util.List<com.github.philippheuer.events4j.api.service.IEventHandler> getEventHandlers()
      Event Handlers
      Specified by:
      getEventHandlers in interface com.github.philippheuer.events4j.api.IEventManager

    • isStopped

      public boolean isStopped()
      is Stopped?

    • getDefaultEventHandler

      public java.lang.String getDefaultEventHandler()
      Default EventHandler

    • getConsumerSequence

      public java.util.concurrent.atomic.AtomicInteger getConsumerSequence()
      Holds the current sequence for consumer registrations

    • getEventHandlerCache

      public java.util.Map<java.lang.String,​java.lang.Class<? extends com.github.philippheuer.events4j.api.service.IEventHandler>> getEventHandlerCache()
      EventHandler Class Cache