/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.jooby.internal.hbm;

import static java.util.Objects.requireNonNull;

import java.util.function.Consumer;

import org.hibernate.Session;
import org.hibernate.Transaction;
import org.jooby.hbm.UnitOfWork;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public abstract class AbstractUnitOfWork implements UnitOfWork {

  /** The logging system. */
  protected final Logger log = LoggerFactory.getLogger(getClass());

  protected final Session session;

  public AbstractUnitOfWork(final Session session) {
    this.session = requireNonNull(session, "Session required.");
  }

  protected void active(final Session session, final Consumer<Transaction> active,
      final Consumer<Transaction> inactive) {
    Transaction trx = session.getTransaction();
    if (trx.isActive()) {
      active.accept(trx);
    } else {
      inactive.accept(trx);
    }
  }

  protected String oid(final Object value) {
    return Integer.toHexString(System.identityHashCode(value));
  }

}
