| /** |
| * 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.indexing.entity.update; |
| |
| import org.apache.rya.api.domain.RyaStatement; |
| import org.apache.rya.api.persist.index.RyaSecondaryIndexer; |
| import org.apache.rya.indexing.entity.storage.EntityStorage; |
| import org.apache.rya.indexing.entity.storage.EntityStorage.EntityStorageException; |
| import org.apache.rya.indexing.entity.storage.TypeStorage; |
| |
| import edu.umd.cs.findbugs.annotations.Nullable; |
| |
| /** |
| * Updates the {@link Entity}s that are in a {@link EntityStorage} when new |
| * {@link RyaStatement}s are added/removed from the Rya instance. |
| */ |
| public interface EntityIndexer extends RyaSecondaryIndexer { |
| |
| /** |
| * Creates the {@link EntityStorage} that will be used by the indexer. |
| * |
| * @return The {@link EntityStorage} that will be used by this indexer. |
| * @throws EntityStorageException |
| */ |
| public @Nullable EntityStorage getEntityStorage() throws EntityStorageException; |
| |
| /** |
| * Creates the {@link TypeStorage} that will be used by the indexer. |
| * |
| * @return The {@link TypeStorage} that will be used by this indexer. |
| */ |
| public @Nullable TypeStorage getTypeStorage(); |
| } |