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KieServerDataSetManager.java
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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.
*/
package org.jbpm.console.ng.bd.integration;
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;
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;
@ApplicationScoped
public class KieServerDataSetManager {
private static final Logger LOGGER = LoggerFactory.getLogger(KieServerDataSetManager.class);
@Inject
private DataSetDefRegistry dataSetDefRegistry;
@Inject
private KieServerIntegration kieServerIntegration;
@Inject
private Event<KieServerDataSetRegistered> event;
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);
final List<DataSetDef> dataSetDefs = dataSetDefRegistry.getDataSetDefs(false);
LOGGER.debug("Found {} data sets to register", dataSetDefs.size());
if( dataSetDefs.size() == 0 ){
return;
}
SimpleAsyncExecutorService.getDefaultInstance().execute(() -> {
try {
long waitLimit = 5 * 60 * 1000; // default 5 min
long elapsed = 0;
LOGGER.info("Registering data set definitions on connected server instance '{}'", serverInstanceId);
final QueryServicesClient queryClient = kieServerIntegration.getAdminServerClient(serverTemplateId).getServicesClient(QueryServicesClient.class);
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());
while (elapsed < waitLimit) {
try {
queryDefinitions.forEach(definition -> {
queryClient.replaceQuery(definition);
LOGGER.info("Query definition {} successfully registered on kie server '{}'", definition.getName(), serverInstanceId);
});
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);
}
});
}
}