How to use com.ohmdb.abstracts

public static void link(RelationInternals rel, Numbers froms, long to) {
  for (long from : froms.toArray()) {
    rel.link(from, to);
  }
}

public static void delink(RWRelation rel, long from, Numbers tos) {
  for (long to : tos.toArray()) {
    rel.delink(from, to);
  }
}

public static void link(RWRelation rel, long from, Numbers tos) {
  for (long to : tos.toArray()) {
    rel.link(from, to);
  }
}

public static void delink(RelationInternals rel, Numbers froms, long to) {
  for (long from : froms.toArray()) {
    rel.delink(from, to);
  }
}

@Override
public int size() {
  try {
    // READ LOCK
    locker.globalReadLock();
    return size;
  } finally {
    // READ UNLOCK
    locker.globalReadUnlock();
  }
}

private void doComplexIndices(ComplexIndex<E>[] complexIndices, E oldEntity, E newEntity, long id) {
  for (int i = 0; i < complexIndices.length; i++) {
    ComplexIndex<E> indx = complexIndices[i];
    if (indx == null) {
      return;
    }
    indx.remove(oldEntity, id);
    indx.add(newEntity, id);
  }
}

@Override
public void delete(long key) {
  // System.out.println("DELETE " + key);
  data.delete(key);
}

@Override
public void begin(Transaction transaction) {
  lockManager.globalWriteLock();
  stats.transactions++;
  this.transaction = transaction;
}

@Override
public synchronized void rollback() {
  state = TxState.ROLLING_BACK;
  store.rollback(this);
}

public static void delink(RWRelation rel, long from, Numbers tos) {
  for (long to : tos.toArray()) {
    rel.delink(from, to);
  }
}

public static void link(RWRelation rel, long from, Numbers tos) {
  for (long to : tos.toArray()) {
    rel.link(from, to);
  }
}

public static void link(RelationInternals rel, Numbers froms, long to) {
  for (long from : froms.toArray()) {
    rel.link(from, to);
  }
}

public static void delink(RelationInternals rel, Numbers froms, long to) {
  for (long from : froms.toArray()) {
    rel.delink(from, to);
  }
}

@Override
public int size() {
  try {
    // READ LOCK
    locker.globalReadLock();
    return size;
  } finally {
    // READ UNLOCK
    locker.globalReadUnlock();
  }
}

private void doComplexIndices(ComplexIndex<E>[] complexIndices, E oldEntity, E newEntity, long id) {
  for (int i = 0; i < complexIndices.length; i++) {
    ComplexIndex<E> indx = complexIndices[i];
    if (indx == null) {
      return;
    }
    indx.remove(oldEntity, id);
    indx.add(newEntity, id);
  }
}

@Override
public void delete(long key) {
  // System.out.println("DELETE " + key);
  data.delete(key);
}

public static void delink(RWRelation rel, long from, Numbers tos) {
  for (long to : tos.toArray()) {
    rel.delink(from, to);
  }
}

public static void link(RWRelation rel, long from, Numbers tos) {
  for (long to : tos.toArray()) {
    rel.link(from, to);
  }
}

public static void link(RelationInternals rel, Numbers froms, long to) {
  for (long from : froms.toArray()) {
    rel.link(from, to);
  }
}

public static void delink(RelationInternals rel, Numbers froms, long to) {
  for (long from : froms.toArray()) {
    rel.delink(from, to);
  }
}