bundles/org.eclipse.vorto.fbeditor.tests/src/org/eclipse/vorto/fbeditor/FunctionblockInjectorProvider.java

/*******************************************************************************
 * Copyright (c) 2014 Bosch Software Innovations GmbH and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Eclipse Distribution License v1.0 which accompany this distribution.
 *  
 * The Eclipse Public License is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * The Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *  
 * Contributors:
 * Bosch Software Innovations GmbH - Please refer to git log
 *******************************************************************************/
/*
* generated by Xtext
*/
package org.eclipse.vorto.fbeditor;

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 FunctionblockInjectorProvider 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 FunctionblockStandaloneSetup().createInjectorAndDoEMFRegistration();
	}

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

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