TableConstraint.java

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// Copyright 2010-2021 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.CpModelProto;
import com.google.ortools.sat.TableConstraintProto;

public class TableConstraint extends Constraint {
  public TableConstraint(CpModelProto.Builder builder) {
    super(builder);
  }

  public TableConstraint addTuple(int[] tuple) {
    TableConstraintProto.Builder table = getBuilder().getTableBuilder();
    if (tuple.length != table.getVarsCount()) {
      throw new CpModel.WrongLength(
          "addTuple", "tuple does not have the same length as the variables");
    }
    for (int value : tuple) {
      table.addValues(value);
    }
    return this;
  }

  public TableConstraint addTuple(long[] tuple) {
    TableConstraintProto.Builder table = getBuilder().getTableBuilder();
    if (tuple.length != table.getVarsCount()) {
      throw new CpModel.WrongLength(
          "addTuple", "tuple does not have the same length as the variables");
    }
    for (long value : tuple) {
      table.addValues(value);
    }
    return this;
  }

  public TableConstraint addTuples(int[][] tuples) {
    TableConstraintProto.Builder table = getBuilder().getTableBuilder();
    for (int[] tuple : tuples) {
      if (tuple.length != table.getVarsCount()) {
        throw new CpModel.WrongLength(
            "addTuples", "a tuple does not have the same length as the variables");
      }
      for (int value : tuple) {
        table.addValues(value);
      }
    }
    return this;
  }

  public TableConstraint addTuples(long[][] tuples) {
    TableConstraintProto.Builder table = getBuilder().getTableBuilder();
    for (long[] tuple : tuples) {
      if (tuple.length != table.getVarsCount()) {
        throw new CpModel.WrongLength(
            "addTuples", "a tuple does not have the same length as the variables");
      }
      for (long value : tuple) {
        table.addValues(value);
      }
    }
    return this;
  }
}