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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.compiler;

import java.util.List;

import br.com.objectos.way.code.ImportInfoSet;
import br.com.objectos.way.core.tmpl.mustache.IsMustacheSerializable;
import br.com.objectos.way.core.tmpl.mustache.MustacheObject;
import br.com.objectos.way.core.tmpl.mustache.Mustaches;
import br.com.objectos.way.sql.ColumnInfo;
import br.com.objectos.way.sql.TableInfo;

import com.google.common.base.Function;

/**
 * @author [email protected] (Marcio Endo)
 */
class DefinesTable implements IsMustacheSerializable {

  private final TableInfo tableInfo;
  private final List columnList;

  private DefinesTable(TableInfo tableInfo, List columnList) {
    this.tableInfo = tableInfo;
    this.columnList = columnList;
  }

  public static DefinesTable of(TableInfo tableInfo) {
    ColumnInfoToDefinesColumn columnInfoToDefinesColumn = new ColumnInfoToDefinesColumn(tableInfo);
    List columnList = tableInfo.transformColumnList(columnInfoToDefinesColumn);
    return new DefinesTable(tableInfo, columnList);
  }

  @Override
  public MustacheObject toMustache() {
    return Mustaches.toMustacheHelper()
        .addValue(tableInfo)
        .add("columns", columnList)
        .toMustache();
  }

  public void addTo(ImportInfoSet importInfoSet) {
    for (DefinesColumn column : columnList) {
      column.addTo(importInfoSet);
    }
  }

  private static class ColumnInfoToDefinesColumn implements Function {

    private final TableInfo tableInfo;

    public ColumnInfoToDefinesColumn(TableInfo tableInfo) {
      this.tableInfo = tableInfo;
    }

    @Override
    public DefinesColumn apply(ColumnInfo input) {
      return DefinesColumn.of(tableInfo, input);
    }

  }

}