How to use

required

method

in

com.avaje.ebean.TxScope

/**
 * Start a transaction with 'REQUIRED' semantics.
 * <p>
 * If a transaction already exists that transaction will be used.
 * </p>
 * <p>
 * Note that the transaction is stored in a ThreadLocal variable.
 * </p>
 */
public Transaction beginTransaction() {
 return beginTransaction(TxScope.required());
}

@Override
protected void doStartTx(Object delegate, boolean readOnly) {
  if (readOnly) {
    TxScope scope = TxScope.required().setReadOnly(true);
    ebeanReadOnly.beginTransaction(scope);
  } else {
    ebean.beginTransaction();
  }
}