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PlantUML is a component that allows to quickly write :
* sequence diagram,
* use case diagram,
* class diagram,
* activity diagram,
* component diagram,
* state diagram
* object diagram
/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://plantuml.com/paypal
*
* This file is part of Smetana.
* Smetana is a partial translation of Graphviz/Dot sources from C to Java.
*
* (C) Copyright 2009-2023, Arnaud Roques
*
* This translation is distributed under the same Licence as the original C program.
*
* THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC
* LICENSE ("AGREEMENT"). [Eclipse Public License - v 1.0]
*
* ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES
* RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
*
* You may obtain a copy of the License at
*
* http://www.eclipse.org/legal/epl-v10.html
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package smetana.core;
public class OFFSET {
private final String field;
private final int sign;
public int getSign() {
return sign;
}
public OFFSET(String field) {
this.field = field;
this.sign = 1;
}
private OFFSET(int sign) {
this.field = null;
this.sign = sign;
}
@Override
public String toString() {
if (field == null)
return "[" + sign + "]";
return "[" + field + "]";
}
public static OFFSET externalHolder() {
return new OFFSET(-1);
}
public static OFFSET zero() {
return new OFFSET(0);
}
public OFFSET negative() {
// Just to know when we go negative
return this;
}
public String getField() {
return field;
}
}