org.immutables.javaslang.encodings.JavaslangOptionEncoding Maven / Gradle / Ivy

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/*
 * Copyright 2013-2016 Immutables Authors and Contributors
 *
 * 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 org.immutables.javaslang.encodings;

import javaslang.control.Option;
import org.immutables.encode.Encoding;

@Encoding
class JavaslangOptionEncoding
{
  @Encoding.Impl
  private Option field;

  JavaslangOptionEncoding()
  {

  }

  @Encoding.Builder
  static final class Builder
  {
    private Option optional = Option.none();

    Builder()
    {

    }

    @Encoding.Init
    @Encoding.Copy
    void set(
      final Option opt)
    {
      this.optional = opt;
    }

    @Encoding.Naming(value = "setValue*")
    @Encoding.Init
    void setValue(
      final T x)
    {
      this.optional = Option.of(x);
    }

    @Encoding.Naming(value = "unset*")
    @Encoding.Init
    void unset()
    {
      this.optional = Option.none();
    }

    @Encoding.Build
    Option build()
    {
      return this.optional;
    }
  }
}