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/*
 * ToroDB
 * Copyright © 2014 8Kdata Technology (www.8kdata.com)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see .
 */

package com.torodb.backend.tables;

import com.torodb.backend.meta.TorodbSchema;
import com.torodb.backend.tables.records.MetaIndexFieldRecord;
import com.torodb.core.transaction.metainf.FieldIndexOrdering;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import org.jooq.Field;
import org.jooq.Table;
import org.jooq.TableField;
import org.jooq.UniqueKey;
import org.jooq.impl.AbstractKeys;

import java.util.Arrays;
import java.util.List;

@SuppressFBWarnings(
    value = "HE_HASHCODE_NO_EQUALS",
    justification =
    "Equals comparation is done in TableImpl class, which compares schema, name and fields")
@SuppressWarnings({"checkstyle:LineLength", "checkstyle:AbbreviationAsWordInName",
    "checkstyle:MemberName"})
public abstract class MetaIndexFieldTable>
    extends SemanticTable {

  private static final long serialVersionUID = -7521772531370036757L;

  public static final String TABLE_NAME = "index_field";

  public enum TableFields {
    DATABASE("database"),
    COLLECTION("collection"),
    INDEX("index"),
    POSITION("position"),
    TABLE_REF("table_ref"),
    NAME("name"),
    ORDERING("ordering");

    public final String fieldName;

    TableFields(String fieldName) {
      this.fieldName = fieldName;
    }

    @Override
    public String toString() {
      return fieldName;
    }
  }

  /**
   * The class holding records for this type
   *
   * @return
   */
  @Override
  public abstract Class getRecordType();

  /**
   * The column torodb.index_field.database.
   */
  public final TableField DATABASE =
      createDatabaseField();

  /**
   * The column torodb.index_field.collection.
   */
  public final TableField COLLECTION =
      createCollectionField();

  /**
   * The column torodb.index_field.index.
   */
  public final TableField INDEX =
      createIndexField();

  /**
   * The column torodb.index_field.position.
   */
  public final TableField POSITION =
      createPositionField();

  /**
   * The column torodb.index_field.path.
   */
  public final TableField TABLE_REF =
      createTableRefField();

  /**
   * The column torodb.index_field.name.
   */
  public final TableField NAME =
      createNameField();

  /**
   * The column torodb.index_field.ordering.
   */
  public final TableField ORDERING =
      createOrderingField();

  protected abstract TableField createDatabaseField();

  protected abstract TableField createCollectionField();

  protected abstract TableField createIndexField();

  protected abstract TableField createPositionField();

  protected abstract TableField createTableRefField();

  protected abstract TableField createNameField();

  protected abstract TableField createOrderingField();

  private final UniqueKeys uniqueKeys;

  /**
   * Create a torodb.index_field table reference
   */
  public MetaIndexFieldTable() {
    this(TABLE_NAME, null);
  }

  protected MetaIndexFieldTable(String alias, Table aliased) {
    this(alias, aliased, null);
  }

  protected MetaIndexFieldTable(String alias, Table aliased, Field[] parameters) {
    super(alias, TorodbSchema.TORODB, aliased, parameters, "");

    this.uniqueKeys = new UniqueKeys(this);
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public UniqueKey getPrimaryKey() {
    return uniqueKeys.INDEX_FIELD_PKEY;
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public List> getKeys() {
    return Arrays.>asList(uniqueKeys.INDEX_FIELD_PKEY,
        uniqueKeys.TABLE_REF_NAME_UNIQUE
    );
  }

  /**
   * {@inheritDoc}
   */
  @Override
  public abstract MetaIndexFieldTable as(String alias);

  /**
   * Rename this table
   */
  public abstract MetaIndexFieldTable rename(String name);

  public UniqueKeys getUniqueKeys() {
    return uniqueKeys;
  }

  @SuppressWarnings("checkstyle:LineLength")
  public static class UniqueKeys>
      extends AbstractKeys {

    private final UniqueKey INDEX_FIELD_PKEY;
    private final UniqueKey TABLE_REF_NAME_UNIQUE;

    private UniqueKeys(MetaIndexFieldTable fieldTable) {
      INDEX_FIELD_PKEY = createUniqueKey(fieldTable, fieldTable.DATABASE, fieldTable.COLLECTION,
          fieldTable.INDEX, fieldTable.POSITION);
      TABLE_REF_NAME_UNIQUE =
          createUniqueKey(fieldTable, fieldTable.DATABASE, fieldTable.COLLECTION, fieldTable.INDEX,
              fieldTable.TABLE_REF, fieldTable.NAME);
    }
  }
}