org.eclipse.osbp.xtext.datamartdsl/src/org/eclipse/osbp/xtext/datamartdsl/util/DatamartHierarchyUtil.xtend

/**
 *                                                                            
 *  Copyright (c) 2011, 2018 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany) 
 *                                                                            
 *  All rights reserved. This program and the accompanying materials           
 *  are made available under the terms of the Eclipse Public License 2.0        
 *  which accompanies this distribution, and is available at                  
 *  https://www.eclipse.org/legal/epl-2.0/                                 
 *                                 
 *  SPDX-License-Identifier: EPL-2.0                                 
 *                                                                            
 *  Contributors:                                                      
 * 	   Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation
 * 
 */
 package org.eclipse.osbp.xtext.datamartdsl.util

import org.eclipse.osbp.xtext.datamartdsl.DatamartHierarchy
import org.eclipse.osbp.xtext.datamartdsl.DatamartHierarchyLevelMultiple
import org.eclipse.osbp.xtext.datamartdsl.DatamartHierarchyLevelSingle

class DatamartHierarchyUtil {
		
	def boolean existLevelDefinition(DatamartHierarchy hierarchy){
		if ((hierarchy.level instanceof DatamartHierarchyLevelSingle) && ((hierarchy.level as DatamartHierarchyLevelSingle)).levelRef !== null){
			return true
		} else if (hierarchy.level instanceof DatamartHierarchyLevelMultiple) {
			var result = false
			for (hierarchyLevelSingle : (hierarchy.level as DatamartHierarchyLevelMultiple).levels) {
				result = result || (hierarchyLevelSingle.levelRef !== null)
			}
			return result
		}
		return false
	}
	
}