dashevchenko
3 years ago
8 changed files with 64 additions and 110 deletions
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/** |
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* Copyright © 2016-2024 The Thingsboard Authors |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.thingsboard.server.service.install.update; |
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import lombok.extern.slf4j.Slf4j; |
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import org.thingsboard.server.common.data.page.PageData; |
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import org.thingsboard.server.common.data.page.PageLink; |
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@Slf4j |
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public abstract class PaginatedUpdater<I, D> { |
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private static final int DEFAULT_LIMIT = 100; |
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private int updated = 0; |
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public void updateEntities(I id) { |
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updated = 0; |
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PageLink pageLink = new PageLink(DEFAULT_LIMIT); |
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boolean hasNext = true; |
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while (hasNext) { |
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PageData<D> entities = findEntities(id, pageLink); |
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for (D entity : entities.getData()) { |
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updateEntity(entity); |
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} |
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updated += entities.getData().size(); |
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hasNext = entities.hasNext(); |
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if (hasNext) { |
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log.info("{}: {} entities updated so far...", getName(), updated); |
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pageLink = pageLink.nextPageLink(); |
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} else { |
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if (updated > DEFAULT_LIMIT || forceReportTotal()) { |
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log.info("{}: {} total entities updated.", getName(), updated); |
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} |
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} |
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} |
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} |
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public void updateEntities() { |
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updateEntities(null); |
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} |
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protected boolean forceReportTotal() { |
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return false; |
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} |
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protected abstract String getName(); |
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protected abstract PageData<D> findEntities(I id, PageLink pageLink); |
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protected abstract void updateEntity(D entity); |
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} |
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