| /* |
| * 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.jena.tdb2.loader; |
| |
| import static java.util.Arrays.asList; |
| |
| import java.util.List; |
| |
| import org.apache.jena.sparql.core.DatasetGraph; |
| import org.apache.jena.tdb2.loader.base.LoaderOps; |
| import org.apache.jena.tdb2.loader.base.MonitorOutput; |
| |
| /** TDB2 loader operations. |
| * These operations only work on TDB2 datasets. |
| * |
| * @see LoaderFactory |
| * @see DataLoader |
| */ |
| public class Loader { |
| /** Load the contents of files or remote web data into a dataset. */ |
| public static void load(DatasetGraph dataset, String...dataURLs) { |
| load(dataset, false, dataURLs); |
| } |
| |
| /** Load the contents of files or remote web data into a dataset. */ |
| public static void load(DatasetGraph dataset, boolean showProgress, String...dataURLs) { |
| load(dataset, asList(dataURLs), showProgress); |
| } |
| |
| /** Load the contents of files or remote web data into a dataset. */ |
| public static void load(DatasetGraph dataset, List<String> dataURLs, boolean showProgress) { |
| DataLoader loader = create(dataset, showProgress); |
| loader.startBulk(); |
| try { |
| loader.load(dataURLs); |
| loader.finishBulk(); |
| } |
| catch (RuntimeException ex) { |
| loader.finishException(ex); |
| throw ex; |
| } |
| } |
| |
| /** |
| * Create a {@link DataLoader}. {@code DataLoader}s provide a {@code StreamRDF} |
| * interface as well as an operation to load data from files or URLs. |
| * <p> |
| * To use the loader: |
| * |
| * <pre> |
| * loader.startBulk(); |
| * send data ... |
| * use stream() |
| * or load(files) |
| * or a mixture. |
| * loader.finishBulk(); |
| * </pre> |
| */ |
| public static DataLoader create(DatasetGraph dataset, boolean showProgress) { |
| MonitorOutput output = showProgress ? LoaderOps.outputToLog() : LoaderOps.nullOutput(); |
| DataLoader loader = LoaderFactory.createLoader(dataset, output); |
| return loader; |
| } |
| |
| /** Load the contents of files or remote web data into a dataset using the basic data loader. */ |
| public static void read(DatasetGraph dataset, String...dataURLs) { |
| read(dataset, false, dataURLs); |
| } |
| |
| /** Load the contents of files or remote web data into a dataset using the basic data loader.. */ |
| public static void read(DatasetGraph dataset, boolean showProgress, String...dataURLs) { |
| read(dataset, asList(dataURLs), showProgress); |
| } |
| |
| /** Load the contents of files or remote web data into a dataset using the basic data loader. */ |
| public static void read(DatasetGraph dataset, List<String> dataURLs, boolean showProgress) { |
| MonitorOutput output = showProgress ? LoaderOps.outputToLog() : LoaderOps.nullOutput(); |
| DataLoader loader = LoaderFactory.basicLoader(dataset, output); |
| loader.startBulk(); |
| try { |
| loader.load(dataURLs); |
| loader.finishBulk(); |
| } |
| catch (RuntimeException ex) { |
| loader.finishException(ex); |
| throw ex; |
| } |
| } |
| } |