Java tutorial
/* * Licensed 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 com.addthis.hydra.task.stream; import java.io.IOException; import java.io.InputStream; import java.lang.reflect.Field; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.Comparator; import java.util.List; import com.addthis.meshy.MeshyClient; import com.addthis.meshy.service.file.FileReference; import com.addthis.meshy.service.stream.StreamSource; import com.google.common.io.ByteStreams; import org.apache.commons.lang3.RandomStringUtils; import org.joda.time.DateTime; import org.junit.Ignore; import org.junit.Test; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import static org.junit.Assert.fail; public class TestStreamSourceMeshy { private static final Logger log = LoggerFactory.getLogger(TestStreamSourceMeshy.class); @Test @Ignore public void missingFileErrors() throws IOException { MeshyClient meshLink = new MeshyClient("localhost", 5000); Collection<FileReference> fileReferences = meshLink.listFiles(new String[] { "job0/*" }); // log.info("file refs: {}", fileReferences); String meshUuid = fileReferences.iterator().next().getHostUUID(); log.info("remote uuid: {}", meshUuid); InputStream inputStream = new StreamSource(meshLink, meshUuid, "job0/notadir/notafile", 0).getInputStream(); log.info(new String(ByteStreams.toByteArray(inputStream))); inputStream.close(); meshLink.close(); } @Test public void testStreamSourcesSort() { final StreamSourceMeshy source = new StreamSourceMeshy(); final int numElements = 100000; FileReference[] fileRefs = new FileReference[numElements]; List<MeshyStreamFile> streamFiles = new ArrayList<>(numElements); DateTime date = DateTime.now(); try { for (int i = 0; i < numElements; i++) { fileRefs[i] = new FileReference("", 0, i); Field f = fileRefs[i].getClass().getDeclaredField("hostUUID"); f.setAccessible(true); String uuid = RandomStringUtils.randomAlphabetic(20); f.set(fileRefs[i], uuid); streamFiles.add(new MeshyStreamFile(source, date, fileRefs[i])); } } catch (Exception ex) { ex.printStackTrace(); fail(); } Collections.shuffle(streamFiles); Collections.sort(streamFiles, new Comparator<MeshyStreamFile>() { @Override public int compare(MeshyStreamFile streamFile1, MeshyStreamFile streamFile2) { return source.compareStreamFiles(streamFile1, streamFile2); } }); } }