org.eclipse.osbp.xtext.topologydsl/src/org/eclipse/osbp/xtext/topologydsl/validation/TopologyDSLValidator.xtend

/**
 *                                                                            
 *  Copyright (c) 2011, 2016 - 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 v1.0       
 *  which accompanies this distribution, and is available at                  
 *  http://www.eclipse.org/legal/epl-v10.html                                 
 *                                                                            
 *  Contributors:                                                      
 * 	   Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation
 * 
 * 
 *  This copyright notice shows up in the generated Java code
 *
 */
 
package org.eclipse.osbp.xtext.topologydsl.validation

import org.eclipse.osbp.xtext.datamartdsl.EventBrokerDataMart
import org.eclipse.osbp.xtext.topologydsl.Topology
import org.eclipse.osbp.xtext.topologydsl.TopologyDSLPackage
import java.util.List
import org.eclipse.xtext.validation.Check

//import org.eclipse.xtext.validation.Check

/**
 * Custom validation rules. 
 *
 * see http://www.eclipse.org/Xtext/documentation.html#validation
 */
class TopologyDSLValidator extends AbstractTopologyDSLValidator {

//  public static val INVALID_NAME = 'invalidName'
//
//	@Check
//	def checkGreetingStartsWithCapital(Greeting greeting) {
//		if (!Character.isUpperCase(greeting.name.charAt(0))) {
//			warning('Name should start with a capital', 
//					MyDslPackage.Literals.GREETING__NAME,
//					INVALID_NAME)
//		}
//	}

	@Check
	def void checkDuplicateDatamartFilters(Topology topology) {
		var usedFilterMap = <String, List<String>>newHashMap()
		for (dat : topology.datamarts) {
			if (dat!=null && dat.datamartDef!=null){
				var usedFilter = usedFilterMap.get(dat.datamartDef.name)
				if (usedFilter == null){
					usedFilter = <String>newArrayList()
				}
				// Check that no duplicate filters within a datamart is defined
				if (usedFilter.contains(dat.filter)){
					error('Duplicate filter: '.concat(dat.datamartDef.name), dat, TopologyDSLPackage.Literals.TOPOLOGY_BASE__NAME)
				} else {
					usedFilter.add(dat.filter)
					usedFilterMap.put(dat.datamartDef.name, usedFilter)
				}
			}
		}
	}

}