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126 lines
3.2 KiB
Java
126 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 2009-2020, Arnaud Roques
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*
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* Project Info: http://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* http://plantuml.com/patreon (only 1$ per month!)
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* http://plantuml.com/paypal
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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 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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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml.project.core;
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import net.sourceforge.plantuml.project.time.Wink;
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public class TaskInstant {
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private final Moment task;
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private final TaskAttribute attribute;
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private final int delta;
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public TaskInstant(Moment task, TaskAttribute attribute) {
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this(task, attribute, 0);
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}
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private TaskInstant(Moment task, TaskAttribute attribute, int delta) {
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this.task = task;
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this.attribute = attribute;
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this.delta = delta;
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if (attribute != TaskAttribute.START && attribute != TaskAttribute.END) {
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throw new IllegalArgumentException();
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}
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}
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public TaskInstant withDelta(int newDelta) {
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return new TaskInstant(task, attribute, newDelta);
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}
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private Wink manageDelta(Wink value) {
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if (delta > 0) {
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for (int i = 0; i < delta; i++) {
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value = value.increment();
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}
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}
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if (delta < 0) {
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for (int i = 0; i < -delta; i++) {
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value = value.decrement();
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}
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}
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return value;
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}
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public Wink getInstantPrecise() {
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if (attribute == TaskAttribute.START) {
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return manageDelta(task.getStart());
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}
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if (attribute == TaskAttribute.END) {
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return manageDelta(task.getEnd().increment());
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}
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throw new IllegalStateException();
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}
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public Wink getInstantTheorical() {
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if (attribute == TaskAttribute.START) {
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return manageDelta(task.getStart());
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}
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if (attribute == TaskAttribute.END) {
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return manageDelta(task.getEnd());
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}
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throw new IllegalStateException();
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}
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@Override
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public String toString() {
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return attribute.toString() + " of " + task;
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}
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public final Moment getMoment() {
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return task;
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}
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public final boolean isTask() {
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return task instanceof AbstractTask;
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}
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public final TaskAttribute getAttribute() {
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return attribute;
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}
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public boolean sameRowAs(TaskInstant dest) {
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if (this.isTask() && dest.isTask()) {
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final AbstractTask t1 = (AbstractTask) this.getMoment();
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final AbstractTask t2 = (AbstractTask) dest.getMoment();
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if (t1 == t2.getRow() || t2 == t1.getRow()) {
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return true;
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}
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}
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return false;
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}
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}
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