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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.auto;

import java.util.List;
import java.util.stream.Collectors;

import javax.lang.model.element.Modifier;

import br.com.objectos.code.ParameterInfo;

import com.squareup.javapoet.FieldSpec;
import com.squareup.javapoet.TypeSpec;

/**
 * @author [email protected] (Marcio Endo)
 */
class IsPredicateField extends AbstractHasIsPredicate {

  public IsPredicateField(IsPredicate predicate) {
    super(predicate);
  }

  public List get() {
    return methodInfo().parameterInfoStream()
        .map(this::toFieldSpec)
        .collect(Collectors.toList());
  }

  void addTo(TypeSpec.Builder type) {
    List fieldSpecList = get();
    for (FieldSpec fieldSpec : fieldSpecList) {
      type.addField(fieldSpec);
    }
  }

  private FieldSpec toFieldSpec(ParameterInfo input) {
    return input.fieldWriter()
        .modifiers(Modifier.PRIVATE, Modifier.FINAL)
        .write();
  }

}