br.com.objectos.way.sql.QualifiedColumnInfo Maven / Gradle / Ivy

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/*
 * 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.way.sql;

import br.com.objectos.way.core.auto.AutoFunctional;
import br.com.objectos.way.core.testing.Testable;
import br.com.objectos.way.core.testing.Testables;

/**
 * @author [email protected] (Marcio Endo)
 */
public abstract class QualifiedColumnInfo
    implements
    CanBeCompared,
    CanBeSelected,
    CanGroupBy,
    CanOrderBy,
    ConditionOperand,
    Testable {

  protected abstract TableInfo tableInfo();
  protected abstract ColumnInfo columnInfo();

  QualifiedColumnInfo() {
  }

  @Override
  public boolean isEqual(QualifiedColumnInfo that) {
    return Testables.isEqualHelper()
        .equal(tableInfo(), that.tableInfo())
        .equal(columnInfo(), that.columnInfo())
        .result();
  }

  public OrderedColumnInfo asc() {
    return OrderedColumnInfo.builder()
        .qualifiedColumnInfo(this)
        .sortOrder(SortOrder.ASC)
        .build();
  }

  @Override
  public SqlBuilder decorate(SqlBuilder sql) {
    return sql
        .escape(tableInfo().name())
        .append('.')
        .append(columnInfo());
  }

  public OrderedColumnInfo desc() {
    return OrderedColumnInfo.builder()
        .qualifiedColumnInfo(this)
        .sortOrder(SortOrder.DESC)
        .build();
  }

  @Override
  public Condition eq(Parameter parameter) {
    return ComparisonOperator.EQ.coditionOf(this, parameter);
  }

  @Override
  public Condition eq(QualifiedColumnInfo another) {
    return ComparisonOperator.EQ.coditionOf(this, another);
  }

  @Override
  public Condition ge(Parameter parameter) {
    return ComparisonOperator.GE.coditionOf(this, parameter);
  }

  @Override
  public Condition ge(QualifiedColumnInfo another) {
    return ComparisonOperator.GE.coditionOf(this, another);
  }

  @Override
  public Condition gt(Parameter parameter) {
    return ComparisonOperator.GT.coditionOf(this, parameter);
  }

  @Override
  public Condition gt(QualifiedColumnInfo another) {
    return ComparisonOperator.GT.coditionOf(this, another);
  }

  @Override
  public Condition le(Parameter parameter) {
    return ComparisonOperator.LE.coditionOf(this, parameter);
  }

  @Override
  public Condition le(QualifiedColumnInfo another) {
    return ComparisonOperator.LE.coditionOf(this, another);
  }

  @Override
  public Condition lt(Parameter parameter) {
    return ComparisonOperator.LT.coditionOf(this, parameter);
  }

  @Override
  public Condition lt(QualifiedColumnInfo another) {
    return ComparisonOperator.LT.coditionOf(this, another);
  }

  @Override
  public Condition ne(Parameter parameter) {
    return ComparisonOperator.NE.coditionOf(this, parameter);
  }

  @Override
  public Condition ne(QualifiedColumnInfo another) {
    return ComparisonOperator.NE.coditionOf(this, another);
  }

  @AutoFunctional
  String toName() {
    return columnInfo().name();
  }

}