| package org.apache.rya.api.persist.index; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.io.Closeable; |
| import java.io.Flushable; |
| import java.io.IOException; |
| import java.util.Collection; |
| import java.util.Set; |
| |
| import org.apache.hadoop.conf.Configurable; |
| import org.apache.rya.api.domain.RyaStatement; |
| import org.apache.rya.api.domain.RyaURI; |
| import org.eclipse.rdf4j.model.IRI; |
| |
| public interface RyaSecondaryIndexer extends Closeable, Flushable, Configurable { |
| /** |
| * initialize after setting configuration. |
| */ |
| public void init(); |
| /** |
| * Returns the table name if the implementation supports it. |
| * Note that some indexers use multiple tables, this only returns one. |
| * TODO recommend that we deprecate this method because it's a leaky interface. |
| * @return table name as a string. |
| */ |
| public String getTableName(); |
| |
| public void storeStatements(Collection<RyaStatement> statements) throws IOException; |
| |
| public void storeStatement(RyaStatement statement) throws IOException; |
| |
| public void deleteStatement(RyaStatement stmt) throws IOException; |
| |
| public void dropGraph(RyaURI... graphs); |
| |
| /** |
| * @return the set of predicates indexed by the indexer. |
| */ |
| public Set<IRI> getIndexablePredicates(); |
| |
| @Override |
| public void flush() throws IOException; |
| |
| @Override |
| public void close() throws IOException; |
| } |