Java tutorial
/* * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others. * * Licensed 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. * * Contributors: * Benoit Delbosc */ package org.nuxeo.ecm.automation.elasticsearch; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.nuxeo.ecm.automation.OperationContext; import org.nuxeo.ecm.automation.core.Constants; import org.nuxeo.ecm.automation.core.annotations.Context; import org.nuxeo.ecm.automation.core.annotations.Operation; import org.nuxeo.ecm.automation.core.annotations.OperationMethod; import org.nuxeo.ecm.automation.core.annotations.Param; import org.nuxeo.ecm.core.api.CoreSession; import org.nuxeo.ecm.core.work.api.WorkManager; import org.nuxeo.elasticsearch.api.ElasticSearchAdmin; import org.nuxeo.runtime.api.Framework; import java.util.concurrent.ExecutionException; import java.util.concurrent.TimeUnit; import java.util.concurrent.TimeoutException; import static java.lang.Long.max; /** * Wait for Elasticsearch indexing background job * * @since 8.1 */ @Operation(id = ElasticsearchWaitForIndexingOperation.ID, category = Constants.CAT_SERVICES, label = "Wait for Elasticsearch Indexing", since = "8.1", description = "Wait until Elasticsearch indexing is done.") public class ElasticsearchWaitForIndexingOperation { public static final String ID = "Elasticsearch.WaitForIndexing"; private static final Log log = LogFactory.getLog(Log.class); @Context protected OperationContext ctx; @Context protected ElasticSearchAdmin esa; @Context protected CoreSession repo; @Param(name = "timeoutSecond", required = false) protected Integer timeout = 60; @Param(name = "refresh", required = false) protected Boolean refresh = false; @OperationMethod public Boolean run() { long start = System.currentTimeMillis(); WorkManager workManager = Framework.getService(WorkManager.class); try { if (!workManager.awaitCompletion(timeout, TimeUnit.SECONDS)) { throw new TimeoutException(); } esa.prepareWaitForIndexing().get(computeRemainingTime(start), TimeUnit.SECONDS); } catch (TimeoutException e) { return Boolean.FALSE; } catch (InterruptedException e) { return Boolean.FALSE; } catch (ExecutionException e) { return Boolean.FALSE; } if (refresh) { esa.refreshRepositoryIndex(repo.getRepositoryName()); } return Boolean.TRUE; } protected long computeRemainingTime(long start) { long elapsed = System.currentTimeMillis() - start; // at least one second return max(timeout - TimeUnit.MILLISECONDS.toSeconds(elapsed), 1); } }