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/*
 * Copyright 2016 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.code;

import static br.com.objectos.code.AutoParameterInfo.single;
import static br.com.objectos.code.AutoSimpleTypeInfo.javaLang;
import static br.com.objectos.code.SimpleTypePrimitives.BOOLEAN;

import java.util.Arrays;
import java.util.List;
import java.util.Set;
import java.util.stream.Stream;

import br.com.objectos.core.util.ImmutableList;
import br.com.objectos.core.util.ImmutableSet;

/**
 * @author [email protected] (Marcio Endo)
 */
public final class AutoMethodInfo extends MethodInfo {

  private static final List OBJECT_METHOD_LIST = ImmutableList. builder()
      .add(of("toString", javaLang("String")))
      .add(of("equals", BOOLEAN, single(javaLang("Object"), "o")))
      .add(of("hashCode", SimpleTypePrimitives.INT))
      .build();

  private final String name;
  private final SimpleTypeInfo returnTypeInfo;
  private final List parameterInfoList;

  private AutoMethodInfo(String name, SimpleTypeInfo returnTypeInfo, List parameterInfoList) {
    this.name = name;
    this.returnTypeInfo = returnTypeInfo;
    this.parameterInfoList = parameterInfoList;
  }

  public static Stream objectMethodStream() {
    return OBJECT_METHOD_LIST.stream();
  }

  private static MethodInfo of(String name, SimpleTypeInfo returnTypeInfo, ParameterInfo... parameters) {
    List parameterInfoList = Arrays.asList(parameters);
    return new AutoMethodInfo(name, returnTypeInfo, parameterInfoList);
  }

  @Override
  public AccessInfo accessInfo() {
    return AccessInfo.PUBLIC;
  }

  @Override
  Set modifierInfoSet() {
    return ImmutableSet.of();
  }

  @Override
  public String name() {
    return name;
  }

  @Override
  public List annotationInfoList() {
    return ImmutableList.of();
  }

  @Override
  public SimpleTypeInfo returnTypeInfo() {
    return returnTypeInfo;
  }

  @Override
  List parameterInfoList() {
    return parameterInfoList;
  }

  @Override
  public boolean varargs() {
    return false;
  }

}