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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.sql;

import br.com.objectos.way.core.auto.AutoFunctional;

import com.google.common.base.Preconditions;

/**
 * @author [email protected] (Marcio Endo)
 */
class ColumnDefPojo implements ColumnDef {

  private final TableDefPojo tableDef;
  private final String columnName;

  private CanBuildColumnInfo delegate;

  public ColumnDefPojo(TableDefPojo tableDef, String columnName) {
    this.tableDef = Preconditions.checkNotNull(tableDef);
    this.columnName = Preconditions.checkNotNull(columnName);
  }

  @AutoFunctional
  @Override
  public ColumnInfo toColumnInfo() {
    return delegate.get();
  }

  @Override
  public LocalDateColumnDef date() {
    LocalDateColumnDefPojo pojo = new LocalDateColumnDefPojo(tableDef, columnName);
    delegate = pojo;
    return pojo;
  }

  @Override
  public DoubleColumnDef doubleColumn() {
    DoubleColumnDefPojo pojo = new DoubleColumnDefPojo(tableDef, columnName, DoubleDataType.DOUBLE);
    delegate = pojo;
    return pojo;
  }

  @Override
  public IntegerColumnDef integer() {
    IntegerColumnDefPojo pojo = new IntegerColumnDefPojo(tableDef, columnName, IntegerDataType.INT);
    delegate = pojo;
    return pojo;
  }

  @Override
  public CharColumnDef varchar(int length) {
    CharColumnDefPojo pojo = new CharColumnDefPojo(tableDef, columnName, CharDataType.VARCHAR, length);
    delegate = pojo;
    return pojo;
  }

}