wsjz commented on code in PR #26356: URL: https://github.com/apache/doris/pull/26356#discussion_r1434217677
########## fe/fe-core/src/main/java/org/apache/doris/nereids/jobs/load/LabelProcessor.java: ########## @@ -0,0 +1,181 @@ +// 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.doris.nereids.jobs.load; + +import org.apache.doris.catalog.Database; +import org.apache.doris.common.AnalysisException; +import org.apache.doris.common.CaseSensibility; +import org.apache.doris.common.LabelAlreadyUsedException; +import org.apache.doris.common.PatternMatcher; +import org.apache.doris.common.PatternMatcherWrapper; +import org.apache.doris.job.exception.JobException; +import org.apache.doris.job.extensions.insert.InsertJob; + +import com.google.common.base.Strings; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.locks.ReentrantReadWriteLock; +import java.util.stream.Collectors; + +/** + * label manager + */ +public class LabelProcessor { + private final Map<Long, Map<String, List<InsertJob>>> dbIdToLabelToLoadJobs = new ConcurrentHashMap<>(); + private final ReentrantReadWriteLock lock = new ReentrantReadWriteLock(true); + + private void readLock() { + lock.readLock().lock(); + } + + private void readUnlock() { + lock.readLock().unlock(); + } + + private void writeLock() { + lock.writeLock().lock(); + } + + private void writeUnlock() { + lock.writeLock().unlock(); + } + + /** + * get jobs with label + * @param db db + * @return jobs + * @throws JobException e + */ + public List<InsertJob> getJobs(Database db) throws JobException { + readLock(); + try { + Map<String, List<InsertJob>> labelToLoadJobs = dbIdToLabelToLoadJobs.get(db.getId()); + if (labelToLoadJobs == null) { + throw new JobException("Load job does not exist"); + } + return labelToLoadJobs.values().stream().flatMap(Collection::stream).collect(Collectors.toList()); + } finally { + readUnlock(); + } + } + + /** + * add job with label + * + * @param job job with label + * @throws LabelAlreadyUsedException e + */ + public void addJob(InsertJob job) throws LabelAlreadyUsedException { + writeLock(); + try { + Map<String, List<InsertJob>> labelToLoadJobs; + if (!dbIdToLabelToLoadJobs.containsKey(job.getDbId())) { + labelToLoadJobs = new ConcurrentHashMap<>(); + dbIdToLabelToLoadJobs.put(job.getDbId(), labelToLoadJobs); + } + labelToLoadJobs = dbIdToLabelToLoadJobs.get(job.getDbId()); + if (labelToLoadJobs.containsKey(job.getLabelName())) { + throw new LabelAlreadyUsedException(job.getLabelName()); + } else { + labelToLoadJobs.put(job.getLabelName(), new ArrayList<>()); + } + labelToLoadJobs.get(job.getLabelName()).add(job); + } finally { + writeUnlock(); + } + } + + /** + * support remove label job + * @param dbId db id + * @param labelName label name + */ + public void removeJob(long dbId, String labelName) { Review Comment: TODO: for clean old label method -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For additional commands, e-mail: commits-h...@doris.apache.org
