| /* |
| * 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.util.List; |
| |
| import com.google.common.collect.Lists; |
| 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.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.ReferencePolicy; |
| import org.apache.felix.scr.annotations.ReferencePolicyOption; |
| import org.apache.jackrabbit.oak.commons.PropertiesUtil; |
| import org.apache.jackrabbit.oak.plugins.index.aggregate.AggregateIndexProvider; |
| import org.apache.jackrabbit.oak.plugins.index.aggregate.NodeAggregator; |
| import org.apache.jackrabbit.oak.plugins.index.solr.configuration.OakSolrConfigurationProvider; |
| import org.apache.jackrabbit.oak.plugins.index.solr.query.SolrQueryIndexProvider; |
| import org.apache.jackrabbit.oak.plugins.index.solr.server.SolrServerProvider; |
| import org.apache.jackrabbit.oak.spi.query.QueryIndexProvider; |
| import org.osgi.framework.ServiceRegistration; |
| import org.osgi.service.component.ComponentContext; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Osgi Service that provides Solr based {@link org.apache.jackrabbit.oak.spi.query.QueryIndex}es |
| * |
| * @see org.apache.jackrabbit.oak.plugins.index.solr.query.SolrQueryIndexProvider |
| * @see QueryIndexProvider |
| */ |
| @Component(metatype = true, immediate = true, label = "Apache Jackrabbit Oak Solr Query index provider configuration") |
| public class SolrQueryIndexProviderService { |
| |
| private static final boolean QUERY_TIME_AGGREGATION_DEFAULT = false; |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private final List<ServiceRegistration> regs = Lists.newArrayList(); |
| |
| @Reference |
| private SolrServerProvider solrServerProvider; |
| |
| @Reference |
| private OakSolrConfigurationProvider oakSolrConfigurationProvider; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY, |
| policyOption = ReferencePolicyOption.GREEDY, |
| policy = ReferencePolicy.DYNAMIC |
| ) |
| private volatile NodeAggregator nodeAggregator; |
| |
| @Property(boolValue = QUERY_TIME_AGGREGATION_DEFAULT, label = "query time aggregation", |
| description = "enable query time aggregation for Solr index") |
| private static final String QUERY_TIME_AGGREGATION = "query.aggregation"; |
| |
| @SuppressWarnings("UnusedDeclaration") |
| @Activate |
| protected void activate(ComponentContext componentContext) { |
| Object value = componentContext.getProperties().get(QUERY_TIME_AGGREGATION); |
| boolean queryTimeAggregation = PropertiesUtil.toBoolean(value, QUERY_TIME_AGGREGATION_DEFAULT); |
| if (solrServerProvider != null && oakSolrConfigurationProvider != null) { |
| QueryIndexProvider solrQueryIndexProvider = new SolrQueryIndexProvider(solrServerProvider, |
| oakSolrConfigurationProvider, nodeAggregator); |
| log.debug("creating Solr query index provider {} query time aggregation", queryTimeAggregation ? "with" : "without"); |
| if (queryTimeAggregation) { |
| solrQueryIndexProvider = AggregateIndexProvider.wrap(solrQueryIndexProvider); |
| } |
| |
| regs.add(componentContext.getBundleContext().registerService(QueryIndexProvider.class.getName(), solrQueryIndexProvider, null)); |
| } |
| } |
| |
| @SuppressWarnings("UnusedDeclaration") |
| @Deactivate |
| protected void deactivate() { |
| |
| for (ServiceRegistration registration : regs) { |
| registration.unregister(); |
| } |
| } |
| |
| } |