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    • br.com.objectos.way.schema.info.DefaultValue Maven / Gradle / Ivy

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    /*
 * Copyright 2015 Objectos, Fábrica de Software LTDA.
 *
 * 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 br.com.objectos.way.schema.info;

import java.util.Optional;

import br.com.objectos.way.pojo.Pojo;
import br.com.objectos.way.testable.Testable;

/**
 * @author [email protected] (Marcio Endo)
 */
@Pojo
public abstract class DefaultValue implements Testable {

  private static final DefaultValue UNSET = DefaultValue. builder()
      .set(false)
      .value()
      .build();

  abstract boolean set();
  abstract Optional value();

  DefaultValue() {
  }

  public static  DefaultValue set(T value) {
    return DefaultValue. builder()
        .set(true)
        .valueOfNullable(null)
        .build();
  }

  @SuppressWarnings("unchecked")
  public static  DefaultValue unset() {
    return (DefaultValue) UNSET;
  }

  private static  DefaultValueBuilder builder() {
    return new DefaultValueBuilderPojo<>();
  }

}    
    
    
    

    




    
    
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