| /** |
| * 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.rya.api.instance; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.log4j.Logger; |
| import org.apache.rya.api.instance.RyaDetails.PCJIndexDetails; |
| |
| import com.google.common.base.Optional; |
| |
| import edu.umd.cs.findbugs.annotations.DefaultAnnotation; |
| import edu.umd.cs.findbugs.annotations.NonNull; |
| |
| /** |
| * Used to fetch {@link RyaDetails} from a {@link RyaDetailsRepository} and |
| * add them to the application's {@link Configuration}. |
| */ |
| @DefaultAnnotation(NonNull.class) |
| public class RyaDetailsToConfiguration { |
| private static final Logger log = Logger.getLogger(RyaDetailsToConfiguration.class); |
| |
| /** |
| * Ensures the values in the {@link Configuration} do not conflict with the values in {@link RyaDetails}. |
| * If they do, the values in {@link RyaDetails} take precedent and the {@link Configuration} value will |
| * be overwritten. |
| * |
| * @param details - The {@link RyaDetails} to add to the {@link Configuration}. (not null) |
| * @param conf - The {@link Configuration} to add {@link RyaDetails} to. (not null) |
| */ |
| public static void addRyaDetailsToConfiguration(final RyaDetails details, final Configuration conf) { |
| requireNonNull(details); |
| requireNonNull(conf); |
| |
| checkAndSet(conf, ConfigurationFields.USE_ENTITY, details.getEntityCentricIndexDetails().isEnabled()); |
| checkAndSet(conf, ConfigurationFields.USE_FREETEXT, details.getFreeTextIndexDetails().isEnabled()); |
| //RYA-215 checkAndSet(conf, ConfigurationFields.USE_GEO, details.getGeoIndexDetails().isEnabled()); |
| checkAndSet(conf, ConfigurationFields.USE_TEMPORAL, details.getTemporalIndexDetails().isEnabled()); |
| final PCJIndexDetails pcjDetails = details.getPCJIndexDetails(); |
| |
| if(conf.getBoolean(ConfigurationFields.USE_MONGO, false) ) { |
| if(pcjDetails.isEnabled()) { |
| conf.set(ConfigurationFields.PCJ_STORAGE_TYPE, "MONGO"); |
| //mongo does not currently support pcj updaters |
| checkAndSet(conf, ConfigurationFields.USE_PCJ_UPDATER, false); |
| conf.set(ConfigurationFields.PCJ_UPDATER_TYPE, "NO_UPDATE"); |
| } |
| } else { |
| if (pcjDetails.isEnabled() ) { |
| conf.set(ConfigurationFields.PCJ_STORAGE_TYPE, "ACCUMULO"); |
| if (pcjDetails.getFluoDetails().isPresent()) { |
| checkAndSet(conf, ConfigurationFields.USE_PCJ_UPDATER, true); |
| conf.set(ConfigurationFields.FLUO_APP_NAME, pcjDetails.getFluoDetails().get().getUpdateAppName()); |
| conf.set(ConfigurationFields.PCJ_UPDATER_TYPE, "FLUO"); |
| } else { |
| checkAndSet(conf, ConfigurationFields.USE_PCJ_UPDATER, false); |
| conf.set(ConfigurationFields.PCJ_UPDATER_TYPE, "NO_UPDATE"); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Ensures a Rya Client will not try to use a secondary index that is not not supported by the Rya Instance |
| * it is connecting to. |
| * </p> |
| * If the configuration... |
| * <ul> |
| * <li>provides an 'on' value for an index that is supported, then nothing changes.</li> |
| * <li>provides an 'off' value for an index that is or is not supported, then nothing changes.</li> |
| * <li>provides an 'on' value for an index that is not supported, then the index is turned |
| * off and a warning is logged.</li> |
| * <li>does not provide any value for an index, then it will be turned on if supported.</li> |
| * </ul> |
| * |
| * @param conf - The {@link Configuration} to potentially change. (not null) |
| * @param useIndexField - The field within {@code conf} that indicates if the client will utilize the index. (not null) |
| * @param indexSupported - {@code true} if the Rya Instance supports the index; otherwise {@code false}. |
| */ |
| private static void checkAndSet(final Configuration conf, final String useIndexField, final boolean indexSupported) { |
| requireNonNull(conf); |
| requireNonNull(useIndexField); |
| |
| final Optional<String> useIndexStr = Optional.fromNullable( conf.get(useIndexField) ); |
| |
| // If no value was provided, default to using the index if it is supported. |
| if(!useIndexStr.isPresent()) { |
| log.info("No Rya Client configuration was provided for the " + useIndexField + |
| " index, so it is being defaulted to " + indexSupported); |
| conf.setBoolean(useIndexField, indexSupported); |
| return; |
| } |
| |
| // If configured to use the index, but the Rya Instance does not support it, then turn it off. |
| final boolean useIndex = Boolean.parseBoolean( useIndexStr.get() ); |
| if(useIndex && !indexSupported) { |
| log.warn("The Rya Client indicates it wants to use a secondary index that the Rya Instance does not support. " + |
| "This is not allowed, so the index will be turned off. Index Configuration Field: " + useIndexField); |
| conf.setBoolean(useIndexField, false); |
| } |
| |
| // Otherwise use whatever the Client wants to use. |
| } |
| } |