br.com.objectos.sql.info.TableInfo Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of sql-info Show documentation
The newest version!
/*
 * Copyright 2014 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.sql.info;

import java.util.Comparator;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.function.BinaryOperator;
import java.util.stream.Collector;
import java.util.stream.Collectors;

import br.com.objectos.auto.pojo.AutoPojo;
import br.com.objectos.core.testing.Testable;
import br.com.objectos.core.testing.Testables;

/**
 * @author [email protected] (Marcio Endo)
 */
@AutoPojo
public abstract class TableInfo implements Comparable, Testable {

  abstract TableName tableName();
  abstract List columnInfoList();
  abstract Optional primaryKeyInfo();
  abstract List foreignKeyInfoList();

  TableInfo() {
  }

  public static TableInfoBuilder builder() {
    return new TableInfoBuilderPojo();
  }

  public static  Collector>> distinct() {
    BinaryOperator max = BinaryOperator.maxBy(Comparator. naturalOrder());
    return Collectors.groupingBy(TableInfo::simpleName, Collectors.reducing(max));
  }

  @Override
  public int compareTo(TableInfo o) {
    return tableName().compareTo(o.tableName());
  }

  @Override
  public boolean isEqual(TableInfo o) {
    return Testables.isEqualHelper()
        .equal(tableName(), o.tableName())
        .equal(columnInfoList(), o.columnInfoList())
        .equal(primaryKeyInfo(), o.primaryKeyInfo())
        .equal(foreignKeyInfoList(), o.foreignKeyInfoList())
        .result();
  }

  public String simpleName() {
    return tableName().simpleName();
  }

}