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[INLONG-9120][Agent] Add offset db to store the offset data
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83 changes: 83 additions & 0 deletions
83
inlong-agent/agent-common/src/main/java/org/apache/inlong/agent/db/OffsetDb.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.inlong.agent.db; | ||
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| import org.apache.inlong.agent.conf.AgentConfiguration; | ||
| import org.apache.inlong.agent.conf.OffsetProfile; | ||
| import org.apache.inlong.agent.constant.AgentConstants; | ||
| import org.apache.inlong.agent.constant.CommonConstants; | ||
| import org.apache.inlong.agent.constant.TaskConstants; | ||
| import org.apache.inlong.agent.utils.AgentUtils; | ||
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| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| /** | ||
| * db interface for task profile. | ||
| */ | ||
| public class OffsetDb { | ||
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| private static final Logger LOGGER = LoggerFactory.getLogger(OffsetDb.class); | ||
| private final Db db; | ||
| private final AgentConfiguration agentConf; | ||
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| public OffsetDb() { | ||
| agentConf = AgentConfiguration.getAgentConf(); | ||
| db = initDb(agentConf.get(AgentConstants.AGENT_ROCKS_DB_PATH, AgentConstants.AGENT_LOCAL_DB_PATH_OFFSET)); | ||
| } | ||
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| /** | ||
| * init db by class name | ||
| * | ||
| * @return db | ||
| */ | ||
| private Db initDb(String childPath) { | ||
| try { | ||
| return new RocksDbImp(childPath); | ||
| } catch (Exception ex) { | ||
| throw new UnsupportedClassVersionError(ex.getMessage()); | ||
| } | ||
| } | ||
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| public OffsetProfile getOffset(String taskId, String instanceId) { | ||
| KeyValueEntity result = db.get(getKey(taskId, instanceId)); | ||
| if (result == null) { | ||
| return null; | ||
| } | ||
| return result.getAsOffsetProfile(); | ||
| } | ||
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| public void deleteOffset(String taskId, String instanceId) { | ||
| db.remove(getKey(taskId, instanceId)); | ||
| } | ||
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| public void setOffset(OffsetProfile offsetProfile) { | ||
| offsetProfile.setLastUpdateTime(AgentUtils.getCurrentTime()); | ||
| if (offsetProfile.allRequiredKeyExist()) { | ||
| String keyName = getKey(offsetProfile.getTaskId(), | ||
| offsetProfile.getInstanceId()); | ||
| KeyValueEntity entity = new KeyValueEntity(keyName, | ||
| offsetProfile.toJsonStr(), offsetProfile.get(TaskConstants.INSTANCE_ID)); | ||
| db.put(entity); | ||
| } | ||
| } | ||
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| private String getKey(String taskId, String instanceId) { | ||
| return CommonConstants.OFFSET_ID_PREFIX + taskId + "_" + instanceId; | ||
| } | ||
| } |