| /** |
| * 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.mongodb; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.hadoop.conf.Configuration; |
| |
| import com.mongodb.MongoClient; |
| |
| import edu.umd.cs.findbugs.annotations.DefaultAnnotation; |
| import edu.umd.cs.findbugs.annotations.NonNull; |
| |
| /** |
| * A {@link MongoDBRdfConfiguration} that is used to hold onto state that is pass into Rya components that accept |
| * {@link Configuration} objects. |
| * <p> |
| * HACK: |
| * This class is part of a hack to get around how Rya uses reflection to initialize indexers, optimizers, etc. |
| * Those classes have empty constructors, so they are not able to receive Mongo specific components at construction |
| * time. However, they all receive a {@link Configuration} prior to initialization. If an object of this class |
| * is that configuration object, then shared objects may be passed into the constructed components. |
| */ |
| @DefaultAnnotation(NonNull.class) |
| public class StatefulMongoDBRdfConfiguration extends MongoDBRdfConfiguration { |
| |
| private final MongoClient mongoClient; |
| private List<MongoSecondaryIndex> indexers; |
| |
| /** |
| * Constructs an instance of {@link StatefulMongoDBRdfConfiguration} pre-loaded with values. |
| * |
| * @param other - The values that will be cloned into the constructed object. (not null) |
| * @param mongoClient - The {@link MongoClient} that Rya will use. (not null) |
| * @param indexers - The {@link MongoSecondaryIndex}s that Rya will use. (not null) |
| */ |
| public StatefulMongoDBRdfConfiguration( |
| final Configuration other, |
| final MongoClient mongoClient, |
| final List<MongoSecondaryIndex> indexers) { |
| super(other); |
| this.mongoClient = requireNonNull(mongoClient); |
| this.indexers = requireNonNull(indexers); |
| } |
| |
| /** |
| * Constructs an instance of {@link StatefulMongoDBRdfConfiguration} pre-loaded with values. |
| * |
| * @param other - The values that will be cloned into the constructed object. (not null) |
| * @param mongoClient - The {@link MongoClient} that Rya will use. (not null) |
| */ |
| public StatefulMongoDBRdfConfiguration( |
| final Configuration other, |
| final MongoClient mongoClient) { |
| this(other, mongoClient, new ArrayList<>()); |
| } |
| |
| /** |
| * @return The {@link MongoClient} that Rya will use. |
| */ |
| public MongoClient getMongoClient() { |
| return mongoClient; |
| } |
| |
| /** |
| * @param indexers - The {@link MongoSecondaryIndex}s that Rya will use. (not null) |
| */ |
| public void setIndexers(final List<MongoSecondaryIndex> indexers) { |
| this.indexers = requireNonNull(indexers); |
| } |
| |
| /** |
| * @return The {@link MongoSecondaryIndex}s that Rya will use. |
| */ |
| public List<MongoSecondaryIndex> getAdditionalIndexers() { |
| return indexers; |
| } |
| |
| @Override |
| public MongoDBRdfConfiguration clone() { |
| return new StatefulMongoDBRdfConfiguration(this, mongoClient, indexers); |
| } |
| } |