OR-Tools 7.2
Main Page
Related Pages
Namespaces
Classes
File List
ortools
com
google
ortools
constraintsolver
JavaDecisionBuilder.java
Go to the documentation of this file.
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.constraintsolver;
15
23
public
class
JavaDecisionBuilder
extends
DecisionBuilder
{
27
public
final
Decision
nextWrap
(
Solver
solver) {
28
try
{
29
return
next
(solver);
30
}
catch
(
Solver
.
FailException
e) {
31
return
solver.
makeFailDecision
();
32
}
33
}
37
public
Decision
next
(
Solver
solver)
throws
Solver
.
FailException
{
38
return
null
;
39
}
40
}
com.google.ortools.constraintsolver.Solver
Solver Class A solver represents the main computation engine.
Definition:
Solver.java:57
com.google.ortools.constraintsolver.Decision
A Decision represents a choice point in the search tree.
Definition:
Decision.java:14
com.google.ortools.constraintsolver.DecisionBuilder
A DecisionBuilder is responsible for creating the search tree.
Definition:
DecisionBuilder.java:14
com.google.ortools.constraintsolver.Solver.FailException
This exceptions signal that a failure has been raised in the C++ world.
Definition:
Solver.java:88
com.google.ortools.constraintsolver.JavaDecisionBuilder
This class acts as a intermediate step between a c++ decision builder and a java one.
Definition:
JavaDecisionBuilder.java:23
com.google.ortools.constraintsolver.JavaDecisionBuilder.next
Decision next(Solver solver)
This is the new method to subclass when defining a java decision builder.
Definition:
JavaDecisionBuilder.java:37
com.google.ortools.constraintsolver.Solver.makeFailDecision
Decision makeFailDecision()
Definition:
Solver.java:2483
com.google.ortools.constraintsolver.JavaDecisionBuilder.nextWrap
final Decision nextWrap(Solver solver)
This methods wraps the calls to next() and catches fail exceptions.
Definition:
JavaDecisionBuilder.java:27