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/*******************************************************************************
 * Copyright (c) 2008, 2020 Borland Software Corporation, CEA LIST, Artal and others
 * 
 * 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: 
 *    Artem Tikhomirov (Borland) - initial API and implementation
 * 	  Michael Golubev (Montages) - #386838 - migrate to Xtend2
 */
package xpt.providers

import com.google.inject.Inject
import org.eclipse.emf.codegen.util.CodeGenUtil
import org.eclipse.papyrus.gmf.codegen.gmfgen.GenDiagramElementTarget
import org.eclipse.papyrus.gmf.codegen.gmfgen.GenDomainElementTarget
import org.eclipse.papyrus.gmf.codegen.gmfgen.GenMetricContainer
import org.eclipse.papyrus.gmf.codegen.gmfgen.GenMetricRule
import org.eclipse.papyrus.gmf.codegen.gmfgen.GenNotationElementTarget
import org.eclipse.papyrus.gmf.codegen.xtend.annotations.MetaDef
import xpt.Common_qvto

@com.google.inject.Singleton class Metrics_qvto {
	@Inject extension Common_qvto;

	def Iterable<GenMetricRule> getNotationMetrics(GenMetricContainer c) {
		return filterNotationMetricsByTargetType(c, typeof(GenNotationElementTarget));
	}

	def Iterable<GenMetricRule> getDiagramMetrics(GenMetricContainer c) {
		return filterNotationMetricsByTargetType(c, typeof(GenDiagramElementTarget));
	}

	def Iterable<GenMetricRule> getDomainMetrics(GenMetricContainer c) {
		return filterNotationMetricsByTargetType(c, typeof(GenDomainElementTarget))
	}

	protected def Iterable<GenMetricRule> filterNotationMetricsByTargetType(GenMetricContainer c, Class<?> targetType) {
		return c.metrics.filter[m|m.target.oclIsKindOf(targetType)]
	}

	@MetaDef def String calcMethodName(GenMetricRule m) {
		return 'calc' + CodeGenUtil::validJavaIdentifier(m.key).toFirstUpper
	}

}

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