LazySession.java

/**
 * Copyright 2015-2016 The OpenZipkin Authors
 *
 * Licensed 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 zipkin.storage.cassandra;

import com.datastax.driver.core.Session;
import zipkin.internal.LazyCloseable;

final class LazySession extends LazyCloseable<Session> {
  private final SessionFactory sessionFactory;
  private final CassandraStorage storage;

  LazySession(SessionFactory sessionFactory, CassandraStorage storage) {
    this.sessionFactory = sessionFactory;
    this.storage = storage;
  }

  @Override protected Session compute() {
    return sessionFactory.create(storage);
  }
}