FlowSpecificationInstanceHandler.java

/**
 * Copyright (c) 2004-2025 Carnegie Mellon University and others. (see Contributors file).
 * All Rights Reserved.
 *
 * NO WARRANTY. ALL MATERIAL IS FURNISHED ON AN "AS-IS" BASIS. CARNEGIE MELLON UNIVERSITY MAKES NO WARRANTIES OF ANY
 * KIND, EITHER EXPRESSED OR IMPLIED, AS TO ANY MATTER INCLUDING, BUT NOT LIMITED TO, WARRANTY OF FITNESS FOR PURPOSE
 * OR MERCHANTABILITY, EXCLUSIVITY, OR RESULTS OBTAINED FROM USE OF THE MATERIAL. CARNEGIE MELLON UNIVERSITY DOES NOT
 * MAKE ANY WARRANTY OF ANY KIND WITH RESPECT TO FREEDOM FROM PATENT, TRADEMARK, OR COPYRIGHT INFRINGEMENT.
 *
 * This program and the accompanying materials are made available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 * SPDX-License-Identifier: EPL-2.0
 *
 * Created, in part, with funding and support from the United States Government. (see Acknowledgments file).
 *
 * This program includes and/or can make use of certain third party source code, object code, documentation and other
 * files ("Third Party Software"). The Third Party Software that is used by this program is dependent upon your system
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package org.osate.ge.aadl2.internal;

import java.util.Optional;

import org.osate.aadl2.FlowKind;
import org.osate.aadl2.instance.FlowSpecificationInstance;
import org.osate.ge.BusinessObjectContext;
import org.osate.ge.CanonicalBusinessObjectReference;
import org.osate.ge.GraphicalConfiguration;
import org.osate.ge.GraphicalConfigurationBuilder;
import org.osate.ge.RelativeBusinessObjectReference;
import org.osate.ge.aadl2.internal.util.AadlInheritanceUtil;
import org.osate.ge.aadl2.internal.util.AgeAadlUtil;
import org.osate.ge.businessobjecthandling.GetGraphicalConfigurationContext;
import org.osate.ge.businessobjecthandling.GetNameContext;
import org.osate.ge.businessobjecthandling.IsApplicableContext;
import org.osate.ge.businessobjecthandling.ReferenceContext;
import org.osate.ge.graphics.Style;
import org.osate.ge.graphics.StyleBuilder;
import org.osate.ge.query.ExecutableQuery;
import org.osate.ge.query.QueryResult;
import org.osate.ge.services.QueryService;

public class FlowSpecificationInstanceHandler extends AadlBusinessObjectHandler {
	private static final ExecutableQuery<FlowSpecificationInstance> SRC_QUERY = ExecutableQuery
			.create(rootQuery -> rootQuery.parent()
					.descendantsByBusinessObjectsRelativeReference(
							FlowSpecificationInstanceHandler::getPathToFlowSpecificationInstanceSource, 1)
					.first());
	private static final ExecutableQuery<FlowSpecificationInstance> DST_QUERY = ExecutableQuery
			.create(rootQuery -> rootQuery.parent()
					.descendantsByBusinessObjectsRelativeReference(
							FlowSpecificationInstanceHandler::getPathToFlowSpecificationInstanceDestination, 1)
					.first());

	@Override
	public boolean isApplicable(final IsApplicableContext ctx) {
		return ctx.getBusinessObject(FlowSpecificationInstance.class).isPresent();
	}

	@Override
	public CanonicalBusinessObjectReference getCanonicalReference(final ReferenceContext ctx) {
		final FlowSpecificationInstance bo = ctx.getBusinessObject(FlowSpecificationInstance.class).get();
		return new CanonicalBusinessObjectReference(AadlReferenceUtil.INSTANCE_ID,
				AadlReferenceUtil.FLOW_SPECIFICATION_INSTANCE_KEY, AadlReferenceUtil.getSystemInstanceKey(bo),
				bo.getInstanceObjectPath());
	}

	@Override
	public RelativeBusinessObjectReference getRelativeReference(final ReferenceContext ctx) {
		return new RelativeBusinessObjectReference(AadlReferenceUtil.INSTANCE_ID,
				AadlReferenceUtil.FLOW_SPECIFICATION_INSTANCE_KEY,
				ctx.getBusinessObject(FlowSpecificationInstance.class).get().getFullName());
	}

	@Override
	public String getName(final GetNameContext ctx) {
		return ctx.getBusinessObject(FlowSpecificationInstance.class).map(fsi -> fsi.getName()).orElse("");
	}

	@Override
	public Optional<GraphicalConfiguration> getGraphicalConfiguration(final GetGraphicalConfigurationContext ctx) {
		final BusinessObjectContext boc = ctx.getBusinessObjectContext();
		final FlowSpecificationInstance fsi = boc.getBusinessObject(FlowSpecificationInstance.class).get();
		final QueryService queryService = ctx.getQueryService();
		final QueryResult srcResult = queryService.getFirstResult(SRC_QUERY, boc, fsi).orElse(null);
		final BusinessObjectContext src = srcResult == null ? null : srcResult.getBusinessObjectContext();
		boolean partial = (srcResult != null && srcResult.isPartial());

		BusinessObjectContext dst = null;
		if (fsi.getFlowSpecification().getKind() == FlowKind.PATH) {
			final QueryResult dstResult = queryService.getFirstResult(DST_QUERY, boc, fsi).orElse(null);
			dst = dstResult == null ? null : dstResult.getBusinessObjectContext();
			partial |= (dstResult != null && dstResult.isPartial());
		}

		final StyleBuilder sb = StyleBuilder
				.create(AadlInheritanceUtil.isInherited(boc) ? Styles.INHERITED_ELEMENT : Style.EMPTY);

		if (fsi.getFlowSpecification().getKind() == FlowKind.PATH) {
			sb.lineWidth(4.0);
		}

		if (partial) {
			sb.dotted();
		}

		return Optional.of(GraphicalConfigurationBuilder.create()
				.graphic(AadlGraphics.getFlowSpecificationGraphic(fsi.getFlowSpecification()))
				.style(sb.build())
				.source(src)
				.destination(dst)
				.build());
	}

	private static Object[] getPathToFlowSpecificationInstanceSource(FlowSpecificationInstance fsi) {
		return AgeAadlUtil.getPathToBusinessObject(fsi.getComponentInstance(),
				fsi.getFlowSpecification().getKind() == FlowKind.SOURCE ? fsi.getDestination() : fsi.getSource());
	}

	private static Object[] getPathToFlowSpecificationInstanceDestination(FlowSpecificationInstance fsi) {
		return AgeAadlUtil.getPathToBusinessObject(fsi.getComponentInstance(), fsi.getDestination());
	}
}