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  * Copyright 2010 JBoss Inc
  * 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.drools.planner.core.score;

A SimpleScore is a Score based on int constraints.

Implementations must be immutable.

public interface SimpleScore extends Score<SimpleScore> {

The total of the broken negative constraints and fulfilled postive hard constraints. Their weight is included in the total. The score is usually a negative number because most use cases only have negative constraints.

higher is better, usually negative, 0 if no constraints are broken/fulfilled
    int getScore();
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