Constraint.java

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// Copyright 2010-2025 Google LLC
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// 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 com.google.ortools.sat;
 
import com.google.ortools.sat.ConstraintProto;
import com.google.ortools.sat.CpModelProto;

public class Constraint {
  public Constraint(CpModelProto.Builder builder) {
    this.constraintIndex = builder.getConstraintsCount();
    this.constraintBuilder = builder.addConstraintsBuilder();
  }

  public void onlyEnforceIf(Literal lit) {
    constraintBuilder.addEnforcementLiteral(lit.getIndex());
  }

  public void onlyEnforceIf(Literal[] lits) {
    for (Literal lit : lits) {
      constraintBuilder.addEnforcementLiteral(lit.getIndex());
    }
  }

  public int getIndex() {
    return constraintIndex;
  }

  public ConstraintProto.Builder getBuilder() {
    return constraintBuilder;
  }
 
  private final int constraintIndex;
  private final ConstraintProto.Builder constraintBuilder;
}