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/*
 * Copyright 2014-2015 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.sql;

import br.com.objectos.db.Condition;
import br.com.objectos.db.Dialect;
import br.com.objectos.db.IntTypeColumn;
import br.com.objectos.db.LocalDateTypeColumn;
import br.com.objectos.db.Order;
import br.com.objectos.db.Orderable;
import br.com.objectos.db.ParameterBinder;
import br.com.objectos.db.SelectBuilder;
import br.com.objectos.db.Selectable;
import br.com.objectos.db.StringTypeColumn;

/**
 * @author [email protected] (Marcio Endo)
 */
abstract class AbstractSimpleSelectWhere2
    extends SelectNode>
    implements
    SimpleSelectWhere> {

  private Condition condition;

  public AbstractSimpleSelectWhere2(SelectNode> previous) {
    super(previous);
  }

  @Override
  public  SimpleSelectWhere2Int and(X column) {
    setCondition();
    return new SimpleSelectWhere2Int<>(this, Keyword.AND, column);
  }

  @Override
  public  SimpleSelectWhere2LocalDate and(X column) {
    setCondition();
    return new SimpleSelectWhere2LocalDate<>(this, Keyword.AND, column);
  }

  @Override
  public  SimpleSelectWhere2String and(X column) {
    setCondition();
    return new SimpleSelectWhere2String<>(this, Keyword.AND, column);
  }

  @Override
  public SimpleSelectQuery2 compile(Dialect dialect) {
    setCondition();
    return new SimpleSelectQuery2<>(dialect, this);
  }

  @Override
  public SimpleSelectOrderBy2 orderBy(Orderable o1) {
    return orderBy(o1.asc());
  }

  @Override
  public SimpleSelectOrderBy2 orderBy(Order o1) {
    return orderBy0(o1);
  }

  @Override
  ParameterBinder bind0(ParameterBinder binder) {
    if (condition != null) {
      condition.bind(binder);
    }
    return binder;
  }

  abstract Condition condition();

  @Override
  SelectBuilder write0(SelectBuilder sql) {
    return condition != null ? sql.where(condition) : sql;
  }

  private SimpleSelectOrderBy2 orderBy0(Order... columns) {
    setCondition();
    return new SimpleSelectOrderBy2<>(this, columns);
  }

  private void setCondition() {
    condition = condition();
  }

}