Java Reference

Java Reference

Literal.java
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1 // Copyright 2010-2018 Google LLC
2 // Licensed under the Apache License, Version 2.0 (the "License");
3 // you may not use this file except in compliance with the License.
4 // You may obtain a copy of the License at
5 //
6 // http://www.apache.org/licenses/LICENSE-2.0
7 //
8 // Unless required by applicable law or agreed to in writing, software
9 // distributed under the License is distributed on an "AS IS" BASIS,
10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 // See the License for the specific language governing permissions and
12 // limitations under the License.
13 
14 package com.google.ortools.sat;
15 
17 public interface Literal {
18  public int getIndex();
19 
21  public Literal not();
22 
24  public String getShortString();
25 }
Interface to describe a boolean variable or its negation.
Definition: Literal.java:17
String getShortString()
Returns a short string to describe the literal.
int getIndex()
Literal not()
Returns the Boolean negation of the current literal.