FSDLScopeProvider.java

/*
 * generated by Xtext
 */
package org.panlab.software.fsdl.scoping;

import static org.eclipse.xtext.scoping.Scopes.scopeFor;

import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.xtext.scoping.IScope;
import org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider;

import FederationOffice.federationscenarios.ResourceRequest;
import FederationOffice.federationscenarios.ResourceSettingInstance;
import FederationOffice.federationscenarios.ServiceRequest;
import FederationOffice.federationscenarios.ServiceSettingInstance;

import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;

/**
 * This class contains custom scoping description.
 * 
 * see : http://www.eclipse.org/Xtext/documentation/latest/xtext.html#scoping on
 * how and when to use it
 * 
 */
public class FSDLScopeProvider extends AbstractDeclarativeScopeProvider {


	
	
//	The following is useful to discover Scope signatures. uncomment to see it in action
//	@Override
//	public IScope getScope(EObject context, EReference ref) {
//		System.out.println("scope_" + ref.getEContainingClass().getName() + "_"
//				+ ref.getName() + "(" + context.eClass().getName() + " ["+context.toString()+"], ..)");
//		return super.getScope(context, ref);
//	}
	

	IScope scope_ResourceSettingInstance_refResourceSetting(
			ResourceSettingInstance ctx,
			EReference ref) {

//		System.out.println("scope_ResourceSettingInstance_refResourceSetting ctx.eContainer()="+ ctx.eContainer().toString());
		ResourceRequest offeredResourceInstance = (ResourceRequest) ctx
				.eContainer();
		FederationOffice.resources.OfferedResource offeredResource = offeredResourceInstance
				.getRefOfferedResource();

		// return new SimpleScope(IScope.NULLSCOPE, getOfServs(rv) );
		EList<FederationOffice.resources.ResourceSetting> features = offeredResource
				.getResourceSettings();
		return scopeFor(Iterables.filter(features, rResSets));
		// return IScope.NULLSCOPE;
	}

	protected Predicate<FederationOffice.resources.ResourceSetting> rResSets = new Predicate<FederationOffice.resources.ResourceSetting>() {
		public boolean apply(FederationOffice.resources.ResourceSetting input) {
			return true;
			// return input.getName().length()==6;
		}
	};
	
	
	IScope scope_ServiceSettingInstance_refServiceSetting(
			ServiceSettingInstance ctx,
			EReference ref) {
//		System.out.println("scope_ServiceSettingInstance_refServiceSetting ctx.eContainer()="+ ctx.eContainer().toString());
//		ctx.getRefServiceSetting()
		FederationOffice.services.Service offeredService = null;
		if ( ctx.eContainer() instanceof ServiceRequest){
			offeredService = ((ServiceRequest)ctx.eContainer()).getRefService();
		}
		
		if (offeredService == null)
			return IScope.NULLSCOPE;

		EList<FederationOffice.services.ServiceSetting> features = offeredService.getServiceSettings() ;
		return scopeFor(Iterables.filter(features, rServiceSettings));
		
	}

	protected Predicate<FederationOffice.services.ServiceSetting> rServiceSettings = new Predicate<FederationOffice.services.ServiceSetting>() {
		public boolean apply(FederationOffice.services.ServiceSetting input) {
			return true;
			// return input.getName().length()==6;
		}
	};
	
	
	
	
	
	
	
	
	////OLD Code

	//here we can get the scope by ObjectsProvider
//	IScope scope_ZZOfferedService(EObject ctx, EReference ref) {
//		System.out
//				.println(">>>>>>>>> scoping scope_OfferedService >>>>>>>>>>>>>>>>>>");

//		TreeIterator<Object> iterator = EcoreUtil.getAllProperContents(ctx.eResource().getResourceSet(), true);
//		ObjectsProvider op = null;
//
//		 while (iterator.hasNext()) {
//			 Object object = (Object) iterator.next();
////			 System.out.println(">>>>>>>>> scoping scope_OfferedService object=" +
////					 object.toString());
//			 if (object instanceof ObjectsProvider ){
//				 op = (ObjectsProvider)object;
//				 break;
//			 }
//		 }
//		
//		if (op !=null){
//			System.out.println(">>>>>>>>> scoping scope_OfferedService op="
//					+ op.toString());
//			EList<OfferedService> list = op.getOfferedServices();
//			for (int i = 0; i < list.size(); i++) {
//				System.out.println(">>>>>>>>> scoping scope_OfferedService op.getOfferedServices=" + list.get(i).toString());				
//			}
//		}
//		return scopeFor(Iterables.filter(  op.getOfferedServices(), rOfferedServicesSets));
		
		//return IScope.NULLSCOPE;
		// System.out.println(">>>>>>>>> scope_OfferedService ctx="+ ctx.
		// toString());
		// System.out.println(">>>>>>>>> scope_OfferedService ctx.eContainer.eContainer()()="+
		// ctx.eContainer().eContainer().toString());
		// EList<EObject> list = ctx.eContainer().eContainer().eContents();
		// for (int i = 0; i < list.size(); i++) {
		// System.out.println(">>>>>>>>> scope_OfferedService ctxlist.get(i)="+
		// list.get(i).toString());
		// EList<EObject> list2 = list.get(i).eCrossReferences();
		// for (int j = 0; j < list2.size(); j++) {
		// System.out.println("       >>>>>>>>> scope_OfferedService ctxlist2.get(i)="+
		// list2.get(i).toString());
		// }
		// }
		// System.out.println(">>>>>>>>> scope_OfferedService ref="+
		// ref.toString() );
		// System.out.println("<<<<<<<<< scoping scope_OfferedService <<<<<<<<<<<<<<<<<<<<<<<<<<<");
		// try{
		// FederationOfficeRule f =
		// (FederationOfficeRule)ctx.eContainer().eContainer();
		// IScope iscope = Scopes. scopeFor( f.getImports() );
		// System.out.println("Got iscope: " + iscope.toString());
		// return iscope;
		// }catch (Exception e) {
		// // TODO: handle exception
		// }
		// return scopeFor(Iterables.filter(features, rOfferedServicesSets));
//	}

	
//	protected Predicate<FederationOffice.services.OfferedService> rOfferedServicesSets = new Predicate<FederationOffice.services.OfferedService>() {
//		public boolean apply(FederationOffice.services.OfferedService input) {
//			return true;
//			// return input.getName().length()==6;
//		}
//	};

	
	
}

	//The Following is really time consuming..we'll try with the IQualifiedName
//	IScope scope_ResourceRequest_refOfferedResource(
//			ResourceRequest ctx,	EReference ref) {
//
//		TreeIterator<Object> iterator = EcoreUtil.getAllProperContents(ctx.eResource().getResourceSet(), true);
//		EList< EObject > features = new BasicEList<EObject>();
//		while (iterator.hasNext()) {
//			 Object object = (Object) iterator.next();
////			 System.out.println(">>>>>>>>>scoping ResourceRequest = "  + object.toString());
//			 if (object instanceof FederationOffice.resources.OfferedResource )
//				 features.add((EObject) object);
//		}
//		
////		System.out.println("scope_ServiceSettingInstance_refServiceSetting ctx.eContainer()="+ ctx.eContainer().toString());
//		
//		return scopeFor(Iterables.filter( features, rOfferedResourcesSets));
//
//	}
//
//
//	protected Predicate<EObject> rOfferedResourcesSets = new Predicate<EObject>() {
//		public boolean apply( EObject input) {
//			return (input instanceof FederationOffice.resources.OfferedResource);
//			// return input.getName().length()==6;
//		}
//	};
	
	
//CHRIS: The following code displays index of model
// @Inject
// IContainer.Manager manager;
// @Inject
// IResourceDescriptions index;
//
// @Inject
// IGlobalScopeProvider gsp;
//
// @Inject
// IResourceServiceProvider.Registry regman;
//
// public void listVisibleResources(Resource myResource,
// IResourceDescriptions index) {
// IResourceDescription descr = index.getResourceDescription(myResource
// .getURI());
// for (IContainer visibleContainer : manager.getVisibleContainers(descr,
// index)) {
// for (IResourceDescription visibleResourceDesc : visibleContainer
// .getResourceDescriptions()) {
// System.out.println(visibleResourceDesc.getURI());
// }
// }
// }
//
// IScope scope_OfferedService(EObject ctx, EReference ref) {
// FederationOfficeRule f = (FederationOfficeRule) ctx.eContainer()
// .eContainer();
//
// System.out.println("Got f uri : " + f.eResource().getURI());
// System.out.println("Got ctx uri : " + ctx.eResource().getURI());
// System.out.println("Got manager. : " + manager.toString());
// System.out.println("Got regman. : " + regman.toString());
// IResourceServiceProvider resourceServiceProvider = regman
// .getResourceServiceProvider(f.eResource().getURI());
// Manager coman = resourceServiceProvider.getContainerManager();
// System.out.println("Got coman. : " + coman.toString());
//
// listVisibleResources(f.eResource(), index);
// return IScope.NULLSCOPE;
// }
// CHRIS: The following code displays index of model ---END