xtext/org.eclipse.sensinact.studio.language.sensinact.tests/src-gen/org/eclipse/sensinact/studio/language/tests/SensinactInjectorProvider.java

/**
 * Copyright (c) 2017 CEA.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 *  Contributors:
 *     CEA - initial API and implementation and/or initial documentation
 */
/*
 * generated by Xtext 2.9.1
 */
package org.eclipse.sensinact.studio.language.tests;

import com.google.inject.Injector;
import org.eclipse.sensinact.studio.language.SensinactStandaloneSetup;
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;

public class SensinactInjectorProvider implements IInjectorProvider, IRegistryConfigurator {

	protected GlobalStateMemento stateBeforeInjectorCreation;
	protected GlobalStateMemento stateAfterInjectorCreation;
	protected Injector injector;

	static {
		GlobalRegistries.initializeDefaults();
	}

	@Override
	public Injector getInjector() {
		if (injector == null) {
			stateBeforeInjectorCreation = GlobalRegistries.makeCopyOfGlobalState();
			this.injector = internalCreateInjector();
			stateAfterInjectorCreation = GlobalRegistries.makeCopyOfGlobalState();
		}
		return injector;
	}

	protected Injector internalCreateInjector() {
		return new SensinactStandaloneSetup().createInjectorAndDoEMFRegistration();
	}

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

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