Eclipse 4 Context FunctionsSopot Çela

About Me

Work for the International Criminal Investigative Training Assistance Program (ICITAP)

Independent Eclipse e4 committer

Platform/UI contributor

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Eclipse 4 context

KEYS VALUES

EPartService PartServiceImpl

EModelService ModelServiceImpl

MyCoolService CoolServiceImpl

Eclipse 4 context hierarchy

MPart @Inject EPartService

MPart MPart

OSGi MApplication

MWindow MWindow

Making a point@Inject EPartService will get you a certain service implementation

PartServiceImpl

Making a point@Inject EPartService will get you a certain service implementation

PartServiceImpl

Making a point@Inject EPartService will get you a certain service implementation

PartServiceImpl IN A GIVEN CONTEXT

Impl = f(context, Interface)

Context Function

The guts of Eclipse

A simple context function

This is how you get your

@Inject EHandlerService

The guts of Eclipse

A simple context function

This is how you get your

@Inject EHandlerService

The curious case of EPartService @Inject

EPartService

DEMO 1

IEmergencyService with only one method dispatch() Police implementation dispatches police car Ambulance implementation dispatches ambulance Firefighters implementation dispatches firefighters

DEMO 2

IConverterService with one method convertToFahrenheit

Two implementations call one different remote web service each to do the conversion

The context function will

Distribute the calls evenly ( mini load balancer )

Pick the other if one is down ( mini fail over)

Acknowledgment

The JavaFX renderers provided by Tom Schindl from his efxclipse project.