OR-Tools  7.1
OptionalIntervalSampleSat.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 
15 import com.google.ortools.sat.IntVar;
18 
21  static {
22  System.loadLibrary("jniortools");
23  }
24 
25  public static void main(String[] args) throws Exception {
26  CpModel model = new CpModel();
27  int horizon = 100;
28  IntVar startVar = model.newIntVar(0, horizon, "start");
29  IntVar endVar = model.newIntVar(0, horizon, "end");
30  // Java code supports IntVar or integer constants in intervals.
31  int duration = 10;
32  Literal presence = model.newBoolVar("presence");
33  IntervalVar interval =
34  model.newOptionalIntervalVar(startVar, duration, endVar, presence, "interval");
35 
36  System.out.println(interval);
37  }
38 }
IntVar newIntVar(long lb, long ub, String name)
Creates an integer variable with domain [lb, ub].
Definition: CpModel.java:69
IntVar newBoolVar(String name)
Creates a Boolean variable with the given name.
Definition: CpModel.java:85
static void main(String[] args)
Interface to describe a boolean variable or its negation.
Definition: Literal.java:17
Main modeling class.
Definition: CpModel.java:40
IntervalVar newOptionalIntervalVar(IntVar start, IntVar size, IntVar end, Literal isPresent, String name)
Creates an optional interval variable from start, size, end, and isPresent.
Definition: CpModel.java:769
Code sample to demonstrates how to build an optional interval.