org.contextmapper.dsl.cml.CMLModelObjectsResolvingHelper Maven / Gradle / Ivy

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/*
 * Copyright 2020 The Context Mapper Project Team
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.contextmapper.dsl.cml;

import java.util.Set;
import java.util.stream.Collectors;

import org.contextmapper.dsl.contextMappingDSL.ContextMappingModel;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.xtext.EcoreUtil2;
import org.eclipse.xtext.xbase.lib.IteratorExtensions;

import com.google.common.collect.Sets;

public class CMLModelObjectsResolvingHelper {

	private Set resolveImportedModels(ContextMappingModel rootModel) {
		Set importedResources = new CMLImportResolver().resolveImportedResources(new CMLResourceContainer(rootModel.eResource()));
		return importedResources.stream().map(r -> r.getContextMappingModel()).collect(Collectors.toSet());
	}

	public  Set resolveAllObjectsOfType(ContextMappingModel rootModel, Class type) {
		Set resultSet = Sets.newHashSet();
		resultSet.addAll(Sets.newHashSet(IteratorExtensions.filter(EcoreUtil2.eAll(rootModel), type)));
		for (ContextMappingModel model : resolveImportedModels(rootModel)) {
			resultSet.addAll(Sets.newHashSet(IteratorExtensions.filter(EcoreUtil2.eAll(model), type)));
		}
		return resultSet;
	}

}