| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.jackrabbit.oak.plugins.index.solr.osgi; |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.Map; |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Property; |
| import org.apache.felix.scr.annotations.PropertyOption; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.ReferencePolicy; |
| import org.apache.felix.scr.annotations.References; |
| import org.apache.felix.scr.annotations.Service; |
| import org.apache.jackrabbit.oak.plugins.index.solr.configuration.SolrServerConfigurationProvider; |
| import org.apache.jackrabbit.oak.plugins.index.solr.server.OakSolrServer; |
| import org.apache.jackrabbit.oak.plugins.index.solr.server.SolrServerProvider; |
| import org.apache.solr.client.solrj.SolrClient; |
| import org.jetbrains.annotations.Nullable; |
| import org.osgi.service.component.ComponentContext; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * OSGi service for {@link org.apache.jackrabbit.oak.plugins.index.solr.server.SolrServerProvider} |
| */ |
| @Component(metatype = true, label = "Apache Jackrabbit Oak Solr server provider", immediate = true) |
| @References({ |
| @Reference(name = "solrServerConfigurationProvider", |
| referenceInterface = SolrServerConfigurationProvider.class, |
| cardinality = ReferenceCardinality.MANDATORY_MULTIPLE, |
| policy = ReferencePolicy.DYNAMIC, |
| bind = "bindSolrServerConfigurationProvider", |
| unbind = "unbindSolrServerConfigurationProvider", |
| updated = "updatedSolrServerConfigurationProvider" |
| ) |
| }) |
| @Service(SolrServerProvider.class) |
| public class SolrServerProviderService implements SolrServerProvider { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| @Property(options = { |
| @PropertyOption(name = "none", |
| value = "None" |
| ), |
| @PropertyOption(name = "embedded", |
| value = "Embedded Solr" |
| ), |
| @PropertyOption(name = "remote", |
| value = "Remote Solr" |
| )}, |
| value = "none" |
| ) |
| private static final String SERVER_TYPE = "server.type"; |
| |
| private final Map<String, SolrServerConfigurationProvider> solrServerConfigurationProviders = new HashMap<String, SolrServerConfigurationProvider>(); |
| |
| private String serverType; |
| |
| private SolrClient cachedSolrServer; |
| |
| @Activate |
| protected void activate(ComponentContext context) throws Exception { |
| serverType = String.valueOf(context.getProperties().get(SERVER_TYPE)); |
| } |
| |
| @Deactivate |
| protected void deactivate() throws Exception { |
| solrServerConfigurationProviders.clear(); |
| close(); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| if (cachedSolrServer != null) { |
| try { |
| cachedSolrServer.shutdown(); |
| } catch (Exception e) { |
| log.error("could not correctly shutdown Solr {} server {}", serverType, cachedSolrServer); |
| } finally { |
| cachedSolrServer = null; |
| } |
| } |
| } |
| |
| protected void bindSolrServerConfigurationProvider(final SolrServerConfigurationProvider solrServerConfigurationProvider, Map<String, Object> properties) { |
| synchronized (solrServerConfigurationProviders) { |
| String name = String.valueOf(properties.get("name")); |
| solrServerConfigurationProviders.put(name, solrServerConfigurationProvider); |
| try { |
| close(); |
| } catch (IOException e) { |
| // do nothing |
| } |
| } |
| } |
| |
| protected void unbindSolrServerConfigurationProvider(final SolrServerConfigurationProvider solrServerConfigurationProvider, Map<String, Object> properties) { |
| synchronized (solrServerConfigurationProviders) { |
| String name = String.valueOf(properties.get("name")); |
| solrServerConfigurationProviders.remove(name); |
| try { |
| close(); |
| } catch (IOException e) { |
| // do nothing |
| } |
| } |
| } |
| |
| protected void updatedSolrServerConfigurationProvider(final SolrServerConfigurationProvider solrServerConfigurationProvider, Map<String, Object> properties) { |
| synchronized (solrServerConfigurationProviders) { |
| String name = String.valueOf(properties.get("name")); |
| solrServerConfigurationProviders.put(name, solrServerConfigurationProvider); |
| try { |
| close(); |
| } catch (IOException e) { |
| // do nothing |
| } |
| } |
| } |
| |
| @Nullable |
| @Override |
| public SolrClient getSolrServer() throws Exception { |
| synchronized (solrServerConfigurationProviders) { |
| if (cachedSolrServer == null) { |
| cachedSolrServer = getServer(); |
| } |
| return cachedSolrServer; |
| } |
| } |
| |
| @Nullable |
| @Override |
| public SolrClient getIndexingSolrServer() throws Exception { |
| return getSolrServer(); |
| } |
| |
| @Nullable |
| @Override |
| public SolrClient getSearchingSolrServer() throws Exception { |
| return getSolrServer(); |
| } |
| |
| private SolrClient getServer() { |
| SolrClient solrServer = null; |
| if (serverType != null && !"none".equals(serverType)) { |
| SolrServerConfigurationProvider solrServerConfigurationProvider = solrServerConfigurationProviders.get(serverType); |
| if (solrServerConfigurationProvider != null) { |
| try { |
| solrServer = new OakSolrServer(solrServerConfigurationProvider); |
| log.info("created new SolrServer {}", solrServer); |
| } catch (Exception e) { |
| log.error("could not get a SolrServerProvider of type {}", serverType, e); |
| } |
| } |
| } |
| return solrServer; |
| } |
| |
| } |