/*
 * generated by Xtext
 */
package com.sap.bw.qd.formula;

import org.eclipse.xtext.conversion.IValueConverterService;

import com.google.inject.Provides;
import com.sap.bw.qd.formula.valueconverter.ValueConverterService;
import com.sap.bw.qd.model.query.Query;

/**
 * Use this class to register components to be used at runtime / without the
 * Equinox extension registry.
 */
public class QueryFormulaRuntimeModule extends AbstractQueryFormulaRuntimeModule {
	private Query query;

	public QueryFormulaRuntimeModule(Query query) {
		super();
		this.query = query;
	}

	@Override
	public Class<? extends IValueConverterService> bindIValueConverterService() {
		return ValueConverterService.class;
	}


	@Provides
	Query provideQuery() {
		return query;
	}

}

/*
 * generated by Xtext
 */
package com.sap.bw.qd.formula.ui.internal;

import java.util.Collections;
import java.util.Map;

import org.apache.log4j.Logger;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.eclipse.xtext.ui.shared.SharedStateModule;
import org.eclipse.xtext.util.Modules2;
import org.osgi.framework.BundleContext;

import com.google.common.collect.Maps;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Module;
import com.sap.bw.qd.model.query.Query;

/**
 * This class was generated. Customizations should only happen in a newly
 * introduced subclass. 
 */
public class QueryFormulaActivator extends AbstractUIPlugin {
	
	public static final String COM_SAP_BW_QD_FORMULA_QUERYFORMULA = "com.sap.bw.qd.formula.QueryFormula";
	
	private static final Logger logger = Logger.getLogger(QueryFormulaActivator.class);
	
	private static QueryFormulaActivator INSTANCE;
	
	private Map<String, Injector> injectors = Collections.synchronizedMap(Maps.<String, Injector> newHashMapWithExpectedSize(1));
	
	@Override
	public void start(BundleContext context) throws Exception {
		super.start(context);
		INSTANCE = this;
	}
	
	@Override
	public void stop(BundleContext context) throws Exception {
		injectors.clear();
		INSTANCE = null;
		super.stop(context);
	}
	
	public static QueryFormulaActivator getInstance() {
		return INSTANCE;
	}
	
	public Injector getInjector(String language, Query query) {
		synchronized (injectors) {
			Injector injector = injectors.get(language);
			if (injector == null) {
				injectors.put(language, injector = createInjector(language, query));
			}
			return injector;
		}
	}
	
	protected Injector createInjector(String language, Query query) {
		try {
			Module runtimeModule = getRuntimeModule(language, query);
			Module sharedStateModule = getSharedStateModule();
			Module uiModule = getUiModule(language);
			Module mergedModule = Modules2.mixin(runtimeModule, sharedStateModule, uiModule);
			return Guice.createInjector(mergedModule);
		} catch (Exception e) {
			logger.error("Failed to create injector for " + language);
			logger.error(e.getMessage(), e);
			throw new RuntimeException("Failed to create injector for " + language, e);
		}
	}

	protected Module getRuntimeModule(String grammar, Query query) {
		if (COM_SAP_BW_QD_FORMULA_QUERYFORMULA.equals(grammar)) {
			return new com.sap.bw.qd.formula.QueryFormulaRuntimeModule(query);
		}
		
		throw new IllegalArgumentException(grammar);
	}
	
	protected Module getUiModule(String grammar) {
		if (COM_SAP_BW_QD_FORMULA_QUERYFORMULA.equals(grammar)) {
			return new com.sap.bw.qd.formula.ui.QueryFormulaUiModule(this);
		}
		
		throw new IllegalArgumentException(grammar);
	}
	
	protected Module getSharedStateModule() {
		return new SharedStateModule();
	}
	
}

Guice.createInjector(new Module(myObjectIWantToPass));

Activator.getInstance().getInjector(myGrammar, myObjectIWantToPass)

Injector i = <MyDSL>Activator.getInstance().getInjector(<MyDsl>)

package com.sap.bw.qd.formula.datacontainer;

import com.sap.bw.qd.model.query.Query;

public class DataContainer implements IDataContainer {
	private Query query;

	@Override
	public Query getQuery() {
		return query;
	}

	@Override
	public void setQuery(Query query) {
		this.query = query;
	}

}

injector.getInstance(IDataContainer.class).setQuery(query);