How to use

TableChange

in

com.ohmdb.impl

public static TableChange deleteCell(long id, PropertyInfo prop, int row, Object value) {
  return new TableChange(ChangeType.DELETE_CELL, id, prop, null, value, row, false);
}

private void deleteCell(DatastoreTransaction tx, long id, int row, PropertyInfo prop) {
  insider.deletingCell(clazz, id, prop.getName());
  Column column = prop.getColumn();
  Index index = prop.getIndex();
  Object value = column.delete(row); // CHANGE #1
  if (index != null) {
    Transformer<Object> tr = prop.getTransformer();
    index.remove(tr.transform(value), id); // CHANGE #2
  }
  changelog.add(TableChange.deleteCell(id, prop, row, value)); // CHANGELOG
  tx.delete(id); // PERSIST
}

private void insertCell(DatastoreTransaction tx, PropertyInfo prop, long id, int row, Object value) {
  // INFORM INSIDER
  insider.insertingCell(clazz, id, prop.getName(), value);
  Column column = prop.getColumn();
  Index index = prop.getIndex();
  column.set(row, value); // CHANGE #1
  if (index != null) {
    index.add(prop.getTransformer().transform(value), id); // CHANGE #2
  }
  // CHANGELOG
  changelog.add(TableChange.insertCell(prop, id, row, value));
  tx.changed(id); // PERSIST
}

private Object setCell(DatastoreTransaction tx, long id, PropertyInfo prop, Object value,
    ComplexIndex<?>[] complexIndices) {
  int row = row(id);
  Column column = prop.getColumn();
  Index index = prop.getIndex();
  Object oldValue = column.get(row);
  column.set(row, value); // CHANGE #1
  if (index != null) {
    Transformer<Object> tr = prop.getTransformer();
    index.remove(tr.transform(oldValue), id); // CHANGE #2
    index.add(tr.transform(value), id); // CHANGE #3
  }
  prop.appendComplexIndices(complexIndices);
  changelog.add(TableChange.set(id, prop, oldValue, value)); // CHANGELOG
  tx.changed(id); // PERSIST
  return oldValue;
}

private void deleteInTx(DatastoreTransaction tx, long id) {
  insider.deleting(clazz, id);
  E entity = get_(id);
  doTriggers(beforeDelete, TriggerAction.BEFORE_DELETE, id, entity, null);
  stats.deletes++;
  int row = row(id);
  // TODO check - changelog if not deleted rels?
  db.deleteRelsInTx(id, tx); // CHANGE #1
  size--; // CHANGE #2
  deletedCount++; // CHANGE #3
  currentlyDeleted.add(row); // CHANGE #4
  idColl.delete(id); // CHANGE #5
  ids.remove(id); // CHANGE #6
  changelog.add(TableChange.delete(id, row)); // CHANGELOG
  // TODO also delete old (renamed) columns?
  for (PropertyInfo prop : props) {
    deleteCell(tx, id, row, prop);
  }
  doTriggers(afterDelete, TriggerAction.AFTER_DELETE, id, entity, null);
  insider.deleted(clazz, id);
}

changelog.add(TableChange.insertRow(id, row, reuseRow)); // CHANGELOG

private void deleteCell(DatastoreTransaction tx, long id, int row, PropertyInfo prop) {
  insider.deletingCell(clazz, id, prop.getName());
  Column column = prop.getColumn();
  Index index = prop.getIndex();
  Object value = column.delete(row); // CHANGE #1
  if (index != null) {
    Transformer<Object> tr = prop.getTransformer();
    index.remove(tr.transform(value), id); // CHANGE #2
  }
  changelog.add(TableChange.deleteCell(id, prop, row, value)); // CHANGELOG
  tx.delete(id); // PERSIST
}

private void insertCell(DatastoreTransaction tx, PropertyInfo prop, long id, int row, Object value) {
  // INFORM INSIDER
  insider.insertingCell(clazz, id, prop.getName(), value);
  Column column = prop.getColumn();
  Index index = prop.getIndex();
  column.set(row, value); // CHANGE #1
  if (index != null) {
    index.add(prop.getTransformer().transform(value), id); // CHANGE #2
  }
  // CHANGELOG
  changelog.add(TableChange.insertCell(prop, id, row, value));
  tx.changed(id); // PERSIST
}

private Object setCell(DatastoreTransaction tx, long id, PropertyInfo prop, Object value,
    ComplexIndex<?>[] complexIndices) {
  int row = row(id);
  Column column = prop.getColumn();
  Index index = prop.getIndex();
  Object oldValue = column.get(row);
  column.set(row, value); // CHANGE #1
  if (index != null) {
    Transformer<Object> tr = prop.getTransformer();
    index.remove(tr.transform(oldValue), id); // CHANGE #2
    index.add(tr.transform(value), id); // CHANGE #3
  }
  prop.appendComplexIndices(complexIndices);
  changelog.add(TableChange.set(id, prop, oldValue, value)); // CHANGELOG
  tx.changed(id); // PERSIST
  return oldValue;
}

private void deleteInTx(DatastoreTransaction tx, long id) {
  insider.deleting(clazz, id);
  E entity = get_(id);
  doTriggers(beforeDelete, TriggerAction.BEFORE_DELETE, id, entity, null);
  stats.deletes++;
  int row = row(id);
  // TODO check - changelog if not deleted rels?
  db.deleteRelsInTx(id, tx); // CHANGE #1
  size--; // CHANGE #2
  deletedCount++; // CHANGE #3
  currentlyDeleted.add(row); // CHANGE #4
  idColl.delete(id); // CHANGE #5
  ids.remove(id); // CHANGE #6
  changelog.add(TableChange.delete(id, row)); // CHANGELOG
  // TODO also delete old (renamed) columns?
  for (PropertyInfo prop : props) {
    deleteCell(tx, id, row, prop);
  }
  doTriggers(afterDelete, TriggerAction.AFTER_DELETE, id, entity, null);
  insider.deleted(clazz, id);
}

changelog.add(TableChange.insertRow(id, row, reuseRow)); // CHANGELOG

public static TableChange delete(long id, int row) {
  return new TableChange(ChangeType.DELETE, id, null, null, null, row, false);
}

private void deleteCell(DatastoreTransaction tx, long id, int row, PropertyInfo prop) {
  insider.deletingCell(clazz, id, prop.getName());
  Column column = prop.getColumn();
  Index index = prop.getIndex();
  Object value = column.delete(row); // CHANGE #1
  if (index != null) {
    Transformer<Object> tr = prop.getTransformer();
    index.remove(tr.transform(value), id); // CHANGE #2
  }
  changelog.add(TableChange.deleteCell(id, prop, row, value)); // CHANGELOG
  tx.delete(id); // PERSIST
}

private void insertCell(DatastoreTransaction tx, PropertyInfo prop, long id, int row, Object value) {
  // INFORM INSIDER
  insider.insertingCell(clazz, id, prop.getName(), value);
  Column column = prop.getColumn();
  Index index = prop.getIndex();
  column.set(row, value); // CHANGE #1
  if (index != null) {
    index.add(prop.getTransformer().transform(value), id); // CHANGE #2
  }
  // CHANGELOG
  changelog.add(TableChange.insertCell(prop, id, row, value));
  tx.changed(id); // PERSIST
}

private Object setCell(DatastoreTransaction tx, long id, PropertyInfo prop, Object value,
    ComplexIndex<?>[] complexIndices) {
  int row = row(id);
  Column column = prop.getColumn();
  Index index = prop.getIndex();
  Object oldValue = column.get(row);
  column.set(row, value); // CHANGE #1
  if (index != null) {
    Transformer<Object> tr = prop.getTransformer();
    index.remove(tr.transform(oldValue), id); // CHANGE #2
    index.add(tr.transform(value), id); // CHANGE #3
  }
  prop.appendComplexIndices(complexIndices);
  changelog.add(TableChange.set(id, prop, oldValue, value)); // CHANGELOG
  tx.changed(id); // PERSIST
  return oldValue;
}

private void deleteInTx(DatastoreTransaction tx, long id) {
  insider.deleting(clazz, id);
  E entity = get_(id);
  doTriggers(beforeDelete, TriggerAction.BEFORE_DELETE, id, entity, null);
  stats.deletes++;
  int row = row(id);
  // TODO check - changelog if not deleted rels?
  db.deleteRelsInTx(id, tx); // CHANGE #1
  size--; // CHANGE #2
  deletedCount++; // CHANGE #3
  currentlyDeleted.add(row); // CHANGE #4
  idColl.delete(id); // CHANGE #5
  ids.remove(id); // CHANGE #6
  changelog.add(TableChange.delete(id, row)); // CHANGELOG
  // TODO also delete old (renamed) columns?
  for (PropertyInfo prop : props) {
    deleteCell(tx, id, row, prop);
  }
  doTriggers(afterDelete, TriggerAction.AFTER_DELETE, id, entity, null);
  insider.deleted(clazz, id);
}

changelog.add(TableChange.insertRow(id, row, reuseRow)); // CHANGELOG

public static TableChange insertCell(PropertyInfo prop, long id, int row, Object value) {
  return new TableChange(ChangeType.INSERT_CELL, id, prop, null, value, row, false);
}

public static TableChange insertRow(long id, int row, boolean reuseRow) {
  return new TableChange(ChangeType.INSERT_ROW, id, null, null, null, row, reuseRow);
}

public static TableChange set(long id, PropertyInfo prop, Object oldValue, Object value) {
  return new TableChange(ChangeType.SET_CELL, id, prop, oldValue, value, 0, false);
}