SmachDSLInjectorProvider.java

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/*
* generated by Xtext
*/
package org.best.of.robotics;

import org.eclipse.xtext.junit4.GlobalRegistries;
import org.eclipse.xtext.junit4.GlobalRegistries.GlobalStateMemento;
import org.eclipse.xtext.junit4.IInjectorProvider;
import org.eclipse.xtext.junit4.IRegistryConfigurator;

import com.google.inject.Injector;

public class SmachDSLInjectorProvider implements IInjectorProvider, IRegistryConfigurator {
        
    protected GlobalStateMemento stateBeforeInjectorCreation;
        protected GlobalStateMemento stateAfterInjectorCreation;
        protected Injector injector;

        static {
                GlobalRegistries.initializeDefaults();
        }

        public Injector getInjector()
        {
                if (injector == null) {
                        stateBeforeInjectorCreation = GlobalRegistries.makeCopyOfGlobalState();
                        this.injector = internalCreateInjector();
                        stateAfterInjectorCreation = GlobalRegistries.makeCopyOfGlobalState();
                }
                return injector;
        }
        
        protected Injector internalCreateInjector() {
            return new SmachDSLStandaloneSetup().createInjectorAndDoEMFRegistration();
        }

        public void restoreRegistry() {
                stateBeforeInjectorCreation.restoreGlobalState();
        }

        public void setupRegistry() {
                getInjector();
                stateAfterInjectorCreation.restoreGlobalState();
        }
}