/* * 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.apache.hive.hcatalog.streaming.mutate.client.lock; import java.util.Collection; import java.util.Timer; import java.util.concurrent.TimeUnit; import org.apache.hadoop.hive.metastore.IMetaStoreClient; import org.apache.hadoop.hive.metastore.api.Table; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** Creates a default {@link HeartbeatTimerTask} for {@link Lock Locks}. */ class HeartbeatFactory { private static final Logger LOG = LoggerFactory.getLogger(HeartbeatFactory.class); /** Creates a new {@link HeartbeatTimerTask} instance for the {@link Lock} and schedules it. */ Timer newInstance(IMetaStoreClient metaStoreClient, LockFailureListener listener, Long transactionId, Collection<Table> tableDescriptors, long lockId, int heartbeatPeriod) { Timer heartbeatTimer = new Timer("hive-lock-heartbeat[lockId=" + lockId + ", transactionId=" + transactionId + "]", true); HeartbeatTimerTask task = new HeartbeatTimerTask(metaStoreClient, listener, transactionId, tableDescriptors, lockId); heartbeatTimer.schedule(task, TimeUnit.SECONDS.toMillis(heartbeatPeriod), TimeUnit.SECONDS.toMillis(heartbeatPeriod)); LOG.debug("Scheduled heartbeat timer task: {}", heartbeatTimer); return heartbeatTimer; } }