/** * 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 com.datastax.drivers.jdbc.pool.cassandra.connection; import java.util.concurrent.Executors; import java.util.concurrent.ScheduledExecutorService; import java.util.concurrent.ScheduledFuture; import java.util.concurrent.ThreadFactory; import java.util.concurrent.atomic.AtomicInteger; import com.datastax.drivers.jdbc.pool.cassandra.utils.DaemonThreadPoolFactory; public abstract class BackgroundCassandraHostService { protected final ScheduledExecutorService executor; protected final HConnectionManager connectionManager; protected final CassandraHostConfigurator cassandraHostConfigurator; protected ScheduledFuture<?> sf; protected int retryDelayInSeconds; public BackgroundCassandraHostService(HConnectionManager connectionManager, CassandraHostConfigurator cassandraHostConfigurator) { executor = Executors.newScheduledThreadPool(1, new DaemonThreadPoolFactory(getClass())); this.connectionManager = connectionManager; this.cassandraHostConfigurator = cassandraHostConfigurator; } abstract void shutdown(); abstract void applyRetryDelay(); public int getRetryDelayInSeconds() { return retryDelayInSeconds; } public void setRetryDelayInSeconds(int retryDelayInSeconds) { this.retryDelayInSeconds = retryDelayInSeconds; } }