Java tutorial
/* * 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.hadoop.rdf.io.output.trig; import java.util.Arrays; import java.util.Collection; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.io.NullWritable; import org.apache.hadoop.mapreduce.OutputFormat; import org.apache.jena.hadoop.rdf.io.RdfIOConstants; import org.apache.jena.hadoop.rdf.io.output.AbstractQuadOutputFormatTests; import org.apache.jena.hadoop.rdf.types.QuadWritable; import org.apache.jena.riot.Lang; import org.junit.runner.RunWith; import org.junit.runners.Parameterized; import org.junit.runners.Parameterized.Parameters; /** * Tests for TriG output * * * */ @RunWith(Parameterized.class) public class BatchedTriGOutputTest extends AbstractQuadOutputFormatTests { static long $bs1 = RdfIOConstants.DEFAULT_OUTPUT_BATCH_SIZE; static long $bs2 = 1000; static long $bs3 = 100; static long $bs4 = 1; /** * @return Test parameters */ @Parameters public static Collection<Object[]> data() { return Arrays.asList(new Object[][] { { $bs1 }, { $bs2 }, { $bs3 }, { $bs4 } }); } private final long batchSize; /** * Creates new tests * * @param batchSize * Batch size */ public BatchedTriGOutputTest(long batchSize) { this.batchSize = batchSize; } @Override protected String getFileExtension() { return ".trig"; } @Override protected Lang getRdfLanguage() { return Lang.TRIG; } @Override protected Configuration prepareConfiguration() { Configuration config = super.prepareConfiguration(); config.setLong(RdfIOConstants.OUTPUT_BATCH_SIZE, this.batchSize); return config; } @Override protected OutputFormat<NullWritable, QuadWritable> getOutputFormat() { return new BatchedTriGOutputFormat<NullWritable>(); } }