Java Reference

Java Reference

NotBooleanVariable.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
14package com.google.ortools.sat;
15
20public final class NotBooleanVariable implements Literal {
21 public NotBooleanVariable(IntVar boolVar) {
22 this.boolVar = boolVar;
23 }
24
26 @Override
27 public int getIndex() {
28 return -boolVar.getIndex() - 1;
29 }
30
32 @Override
33 public Literal not() {
34 return boolVar;
35 }
36
38 @Override
39 public String getShortString() {
40 return "not(" + boolVar.getShortString() + ")";
41 }
42
43 private final IntVar boolVar;
44}
An integer variable.
Definition: IntVar.java:21
int getIndex()
Internal, returns the index of the variable in the underlying CpModelProto.
Definition: IntVar.java:45
String getShortString()
Returns a short string describing the variable.
Definition: IntVar.java:79
The negation of a boolean variable.
int getIndex()
Internal: returns the index in the literal in the underlying CpModelProto.
Literal not()
Returns the negation of this literal.
String getShortString()
Returns a short string describing this literal.
Interface to describe a boolean variable or its negation.
Definition: Literal.java:17