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115 lines
3.2 KiB
Java
115 lines
3.2 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009, Arnaud Roques
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*
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* Project Info: http://plantuml.sourceforge.net
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
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* in the United States and other countries.]
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*
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* Original Author: Arnaud Roques
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*
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* Revision $Revision: 3828 $
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*
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*/
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package net.sourceforge.plantuml.activitydiagram2;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Iterator;
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import java.util.LinkedHashSet;
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import net.sourceforge.plantuml.Direction;
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import net.sourceforge.plantuml.cucadiagram.EntityType;
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import net.sourceforge.plantuml.cucadiagram.IEntity;
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public class ConditionalContext2 {
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private final Collection<IEntity> pendings = new LinkedHashSet<IEntity>();
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private final IEntity branch;
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private final Direction direction;
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private final ConditionalContext2 parent;
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private final String when;
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public ConditionalContext2(ConditionalContext2 parent, IEntity branch, Direction direction, String when) {
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if (branch.getType() != EntityType.BRANCH) {
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throw new IllegalArgumentException();
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}
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this.branch = branch;
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this.direction = direction;
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this.parent = parent;
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this.when = when;
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this.pendings.add(branch);
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}
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public Direction getDirection() {
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return direction;
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}
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public final ConditionalContext2 getParent() {
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return parent;
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}
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public final Collection<IEntity> getPendings() {
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return Collections.unmodifiableCollection(pendings);
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}
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public final IEntity getBranch() {
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return branch;
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}
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public void clearPendingsButFirst() {
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System.err.println("ConditionalContext2::clearPendingsButFirst");
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this.pendings.clear();
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pendings.add(branch);
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}
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private boolean hasElse = false;
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public void executeElse(Collection<IEntity> pendingsToAdd) {
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if (this.hasElse) {
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throw new IllegalStateException();
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}
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this.hasElse = true;
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System.err.println("pend=" + pendings);
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if (pendings.size() == 0) {
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throw new IllegalStateException();
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}
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final Iterator<IEntity> it = pendings.iterator();
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final IEntity toRemove = it.next();
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if (toRemove.getType() != EntityType.BRANCH) {
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throw new IllegalStateException();
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}
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it.remove();
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this.pendings.addAll(pendingsToAdd);
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}
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public boolean isHasElse() {
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return hasElse;
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}
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public final String getWhen() {
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return when;
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}
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}
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