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Kie server for workbench dataset (#28)
* Refactor DataSetDefsBootstrap Removed dataset registration into Kie Server Created KieServerDataSetManager to handle registering all dataset into Kie Server * DataSet registration update Add specif event fired after all dataset are registered, allowing the UI to refresh at the correct time.
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...ain-backend/src/main/java/org/jbpm/console/ng/bd/integration/KieServerDataSetManager.java
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| /* | ||
| * Copyright 2016 Red Hat, Inc. and/or its affiliates. | ||
| * | ||
| * 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. | ||
| */ | ||
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|
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| package org.jbpm.console.ng.bd.integration; | ||
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| import java.util.List; | ||
| import java.util.Set; | ||
| import java.util.stream.Collectors; | ||
| import javax.enterprise.context.ApplicationScoped; | ||
| import javax.enterprise.event.Event; | ||
| import javax.enterprise.event.Observes; | ||
| import javax.inject.Inject; | ||
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| import org.dashbuilder.dataset.def.DataSetDef; | ||
| import org.dashbuilder.dataset.def.DataSetDefRegistry; | ||
| import org.dashbuilder.dataset.def.SQLDataSetDef; | ||
| import org.jbpm.console.ng.ga.events.KieServerDataSetRegistered; | ||
| import org.kie.server.api.model.definition.QueryDefinition; | ||
| import org.kie.server.client.KieServicesException; | ||
| import org.kie.server.client.QueryServicesClient; | ||
| import org.kie.server.controller.api.model.events.ServerInstanceConnected; | ||
| import org.kie.server.controller.api.model.runtime.ServerInstance; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| import org.uberfire.commons.async.SimpleAsyncExecutorService; | ||
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| @ApplicationScoped | ||
| public class KieServerDataSetManager { | ||
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| private static final Logger LOGGER = LoggerFactory.getLogger(KieServerDataSetManager.class); | ||
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| @Inject | ||
| private DataSetDefRegistry dataSetDefRegistry; | ||
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| @Inject | ||
| private KieServerIntegration kieServerIntegration; | ||
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| @Inject | ||
| private Event<KieServerDataSetRegistered> event; | ||
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| public void registerInKieServer(@Observes final ServerInstanceConnected serverInstanceConnected) { | ||
| final ServerInstance serverInstance = serverInstanceConnected.getServerInstance(); | ||
| final String serverInstanceId = serverInstance.getServerInstanceId(); | ||
| final String serverTemplateId = serverInstance.getServerTemplateId(); | ||
| LOGGER.debug("Server instance '{}' connected, registering data sets", serverInstanceId); | ||
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| final List<DataSetDef> dataSetDefs = dataSetDefRegistry.getDataSetDefs(false); | ||
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| LOGGER.debug("Found {} data sets to register", dataSetDefs.size()); | ||
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| if( dataSetDefs.size() == 0 ){ | ||
| return; | ||
| } | ||
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| SimpleAsyncExecutorService.getDefaultInstance().execute(() -> { | ||
| try { | ||
| long waitLimit = 5 * 60 * 1000; // default 5 min | ||
| long elapsed = 0; | ||
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| LOGGER.info("Registering data set definitions on connected server instance '{}'", serverInstanceId); | ||
| final QueryServicesClient queryClient = kieServerIntegration.getAdminServerClient(serverTemplateId).getServicesClient(QueryServicesClient.class); | ||
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| final Set<QueryDefinition> queryDefinitions = dataSetDefs.stream().map( | ||
| dataSetDef -> | ||
| QueryDefinition.builder() | ||
| .name(dataSetDef.getUUID()) | ||
| .expression(((SQLDataSetDef) dataSetDef).getDbSQL()) | ||
| .source(((SQLDataSetDef) dataSetDef).getDataSource()) | ||
| .target("CUSTOM") | ||
| .build() | ||
| ).collect(Collectors.toSet()); | ||
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| while (elapsed < waitLimit) { | ||
| try { | ||
| queryDefinitions.forEach(definition -> { | ||
| queryClient.replaceQuery(definition); | ||
| LOGGER.info("Query definition {} successfully registered on kie server '{}'", definition.getName(), serverInstanceId); | ||
| }); | ||
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| event.fire(new KieServerDataSetRegistered(serverInstanceId, serverTemplateId)); | ||
| return; | ||
| } catch (KieServicesException e) { | ||
| // unable to register, might still be booting | ||
| Thread.sleep(500); | ||
| elapsed += 500; | ||
| LOGGER.debug("Cannot reach KIE Server, elapsed time while waiting '{}', max time '{}'", elapsed, waitLimit); | ||
| } | ||
| } | ||
| LOGGER.warn("Timeout while trying to register query definition on '{}'", serverInstanceId); | ||
| } catch (Exception e) { | ||
| LOGGER.warn("Unable to register query definition on '{}' due to {}", serverInstanceId, e.getMessage(), e); | ||
| } | ||
| }); | ||
| } | ||
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|
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| } |
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