Android Open Source - LSStorage L S Database

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License

The source code is released under:

MIT License

Java Source Code

package com.mhemmings.lsstorage;
/*from w  w  w  . ja  v a 2s  .co m*/
public abstract class LSDatabase {
  private String dbName;
  private int dbVer;

  /**
   * How you tell LSStorage about your tables. This method has to return an
   * array of {@link LSTable}s
   * 
   * @return An array of the {@link LSTable}s to use in the database
   */
  public abstract LSTable<LSObject>[] tables();

  /**
   * Use this method to upgrade your database (e.g. adding new tables).
   * Currently you need to write the raw SQL yourself per version upgrade. The
   * SQL will get executed in the order it is in the array. The easiest way to
   * do this is to switch on the old db number and have a case per upgrade,
   * without using {@code break}. This has the effect of users being able to
   * skip db versions but not miss those upgrades.
   * 
   * @param oldVersion
   *            The version the db is upgrading FROM
   * @return An array of SQL statements, to be executed in order
   */
  public abstract String[] onUpgrade(int oldVersion);

  /**
   * Must be called in the database constructor
   * 
   * @param databaseName
   *            The name of the database, without the .db extension
   * @param databaseVersion
   *            The version of the database as an {@code int}
   */
  public LSDatabase(String databaseName, int database_version) {
    this.dbName = databaseName + ".db";
    this.dbVer = database_version;
  }

  /**
   * Gets the full database name (including the .db extension)
   * 
   * @return The database name
   */
  public String getDbName() {
    return dbName;
  }

  /**
   * Gets the database version
   * 
   * @return The database version
   */
  public int getDbVersion() {
    return dbVer;
  }

}

Java Source Code List

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