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//
// 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.apache.couchdb.nouveau;
import java.util.concurrent.ForkJoinPool;
import org.apache.couchdb.nouveau.core.IndexManager;
import org.apache.couchdb.nouveau.core.UpdatesOutOfOrderExceptionMapper;
import org.apache.couchdb.nouveau.health.AnalyzeHealthCheck;
import org.apache.couchdb.nouveau.health.IndexHealthCheck;
import org.apache.couchdb.nouveau.lucene9.Lucene9Module;
import org.apache.couchdb.nouveau.lucene9.ParallelSearcherFactory;
import org.apache.couchdb.nouveau.resources.AnalyzeResource;
import org.apache.couchdb.nouveau.resources.IndexResource;
import org.apache.couchdb.nouveau.tasks.CloseAllIndexesTask;
import org.apache.lucene.search.SearcherFactory;
import io.dropwizard.core.Application;
import io.dropwizard.core.setup.Environment;
import io.swagger.v3.jaxrs2.integration.resources.OpenApiResource;
public class NouveauApplication extends Application<NouveauApplicationConfiguration> {
public static void main(String[] args) throws Exception {
new NouveauApplication().run(args);
}
@Override
public String getName() {
return "Nouveau";
}
@Override
public void run(NouveauApplicationConfiguration configuration, Environment environment) throws Exception {
environment.jersey().register(new UpdatesOutOfOrderExceptionMapper());
// configure index manager
final IndexManager indexManager = new IndexManager();
indexManager.setCommitIntervalSeconds(configuration.getCommitIntervalSeconds());
indexManager.setIdleSeconds(configuration.getIdleSeconds());
indexManager.setMaxIndexesOpen(configuration.getMaxIndexesOpen());
indexManager.setMetricRegistry(environment.metrics());
indexManager.setScheduler(environment.lifecycle().scheduledExecutorService("index-manager-%d").threads(5).build());
indexManager.setObjectMapper(environment.getObjectMapper());
indexManager.setRootDir(configuration.getRootDir());
environment.lifecycle().manage(indexManager);
// Serialization classes
environment.getObjectMapper().registerModule(new Lucene9Module());
// AnalyzeResource
final AnalyzeResource analyzeResource = new AnalyzeResource();
environment.jersey().register(analyzeResource);
// IndexResource
final SearcherFactory searcherFactory = new ParallelSearcherFactory(ForkJoinPool.commonPool());
final IndexResource indexResource = new IndexResource(indexManager, searcherFactory);
environment.jersey().register(indexResource);
// Health checks
environment.healthChecks().register("analyze", new AnalyzeHealthCheck(analyzeResource));
environment.healthChecks().register("index", new IndexHealthCheck(indexResource));
// configure tasks
environment.admin().addTask(new CloseAllIndexesTask(indexManager));
// Swagger
environment.jersey().register(new OpenApiResource());
}
}
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