Package org.rssowl.core.internal.persist.migration

Examples of org.rssowl.core.internal.persist.migration.Migrations$ChainedMigration

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    ConfigurationFactory configFactory = new ConfigurationFactory() {
      public Configuration createConfiguration() {
        return DBManager.this.createConfiguration();
      }
    };
    Migration migration = new Migrations().getMigration(workspaceFormat, currentFormat);
    if (migration == null) {
      throw new PersistenceException("No migration found for originFormat: " + workspaceFormat + ", and destinationFormat: " + currentFormat);
    }

    /* Create a copy of the db file to use for the migration */
 
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    ConfigurationFactory configFactory = new ConfigurationFactory() {
      public Configuration createConfiguration() {
        return DBManager.createConfiguration(false);
      }
    };
    Migration migration = new Migrations().getMigration(workspaceFormat, currentFormat);
    if (migration == null) {
      throw new PersistenceException("It was not possible to migrate your data to the current version of RSSOwl. Migrations are supported between final versions and between consecutive milestones. In other words, 2.0M7 to 2.0M8 and 2.0 to 2.1 are supported but 2.0M6 to 2.0M8 is not supported. In the latter case, you would need to launch 2.0M7 and then 2.0M8 to be able to use that version. Migration was attempted from originFormat: " + workspaceFormat + " to destinationFormat: " + currentFormat); //$NON-NLS-1$ //$NON-NLS-2$
    }

    final File dbFile = new File(getDBFilePath());
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    ConfigurationFactory configFactory = new ConfigurationFactory() {
      public Configuration createConfiguration() {
        return DBManager.createConfiguration(false);
      }
    };
    Migration migration = new Migrations().getMigration(workspaceFormat, currentFormat);
    if (migration == null) {
      throw new PersistenceException("It was not possible to migrate your data to the current version of RSSOwl. Migrations are supported between final versions and between consecutive milestones. In other words, 2.0M7 to 2.0M8 and 2.0 to 2.1 are supported but 2.0M6 to 2.0M8 is not supported. In the latter case, you would need to launch 2.0M7 and then 2.0M8 to be able to use that version. Migration was attempted from originFormat: " + workspaceFormat + " to destinationFormat: " + currentFormat); //$NON-NLS-1$ //$NON-NLS-2$
    }

    final File dbFile = new File(getDBFilePath());
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  /**
   * Test if no migration is possible
   */
  @Test
  public void testNoMigrationPossible() {
    Migrations migrations = new Migrations(new MigrationImpl(2, 3), new MigrationImpl(3, 4));
    Migration migration = migrations.getMigration(1, 4);
    assertNull(migration);
  }
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  /**
   * Tests simple migration scenarios.
   */
  @Test
  public void testGetMigration() {
    Migrations migrations = new Migrations(new MigrationImpl(1, 2), new MigrationImpl(2, 3), new MigrationImpl(3, 4));
    Migration migration = migrations.getMigration(2, 4);
    assertEquals(ChainedMigration.class, migration.getClass());
    ChainedMigration chainedMigration = (ChainedMigration) migration;

    assertEquals(2, chainedMigration.getMigrations().size());
    assertEquals(migrations.getMigrations().get(1), chainedMigration.getMigrations().get(0));

    migration = migrations.getMigration(2, 3);
    assertFalse(migration instanceof ChainedMigration);
    assertEquals(migrations.getMigrations().get(1), migration);
  }
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   * paths to the goal to make sure we choose the shortest one.
   */
  @Test
  public void testGetMigrationComplex() {
    /* More complex example */
    Migrations migrations = new Migrations(new MigrationImpl(1, 2), new MigrationImpl(2, 3),
        new MigrationImpl(3, 4), new MigrationImpl(4, 6), new MigrationImpl(3, 5),
        new MigrationImpl(2, 4), new MigrationImpl(5, 6), new MigrationImpl(7, 9),
        new MigrationImpl(7, 8), new MigrationImpl(8, 9), new MigrationImpl(6, 8));

    Migration migration = migrations.getMigration(2, 8);

    assertEquals(ChainedMigration.class, migration.getClass());
    ChainedMigration chainedMigration = (ChainedMigration) migration;
    assertEquals(3, chainedMigration.getMigrations().size());
    assertEquals(migrations.getMigrations().get(5), chainedMigration.getMigrations().get(0));
    assertEquals(migrations.getMigrations().get(3), chainedMigration.getMigrations().get(1));
    assertEquals(migrations.getMigrations().get(10), chainedMigration.getMigrations().get(2));
  }
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Related Classes of org.rssowl.core.internal.persist.migration.Migrations$ChainedMigration

  • org.rssowl.core.internal.persist.service.DBManager
  • org.rssowl.core.internal.persist.service.Migration
  • org.rssowl.core.tests.persist.MigrationsTest
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