HFile.Writer writer = HFile.getWriterFactory( TEST_UTIL.getConfiguration(), cacheConf) .withOutputStream(fout) .withFileContext(context)
private void metablocks(final String compress) throws Exception { Path mFile = new Path(ROOT_DIR, "meta.hfile"); FSDataOutputStream fout = createFSOutput(mFile); HFileContext meta = new HFileContextBuilder() .withCompression(HFileWriterImpl.compressionByName(compress)) .withBlockSize(minBlockSize).build(); Writer writer = HFile.getWriterFactory(conf, cacheConf) .withOutputStream(fout) .withFileContext(meta) .create(); someTestingWithMetaBlock(writer); writer.close(); fout.close(); FSDataInputStream fin = fs.open(mFile); Reader reader = HFile.createReaderFromStream(mFile, fs.open(mFile), this.fs.getFileStatus(mFile).getLen(), cacheConf, conf); reader.loadFileInfo(); // No data -- this should return false. assertFalse(reader.getScanner(false, false).seekTo()); someReadingWithMetaBlock(reader); fs.delete(mFile, true); reader.close(); fin.close(); }
private String createHFileForFamilies(Path testPath, byte[] family, byte[] valueBytes) throws IOException { HFile.WriterFactory hFileFactory = HFile.getWriterFactoryNoCache(TEST_UTIL.getConfiguration()); // TODO We need a way to do this without creating files Path testFile = new Path(testPath, TEST_UTIL.getRandomUUID().toString()); FSDataOutputStream out = TEST_UTIL.getTestFileSystem().create(testFile); try { hFileFactory.withOutputStream(out); hFileFactory.withFileContext(new HFileContext()); HFile.Writer writer = hFileFactory.create(); try { writer.append(new KeyValue(CellUtil.createCell(valueBytes, family, valueBytes, 0L, KeyValue.Type.Put.getCode(), valueBytes))); } finally { writer.close(); } } finally { out.close(); } return testFile.toString(); }
HFile.Writer writer = HFile.getWriterFactory( TEST_UTIL.getConfiguration(), cacheConf) .withOutputStream(fout) .withFileContext(context)
FSDataOutputStream out = fs.create(path); HFile.Writer writer = HFile.getWriterFactory(conf, cacheConf) .withOutputStream(out) .withFileContext(fileContext) .create();
.build(); Writer writer = HFile.getWriterFactory(conf, cacheConf) .withOutputStream(fout) .withFileContext(meta) .withComparator(CellComparatorImpl.COMPARATOR)
.build(); Writer writer = HFile.getWriterFactoryNoCache(conf) .withOutputStream(fout) .withFileContext(context) .withComparator(CellComparatorImpl.COMPARATOR)
FSDataOutputStream out = fs.create(path); HFile.Writer writer = HFile.getWriterFactory(conf, cacheConf) .withOutputStream(out) .withFileContext(fileContext) .create();
private void metablocks(final String compress) throws Exception { if (cacheConf == null) cacheConf = new CacheConfig(conf); Path mFile = new Path(ROOT_DIR, "meta.hfile"); FSDataOutputStream fout = createFSOutput(mFile); HFileContext meta = new HFileContextBuilder() .withCompression(HFileWriterImpl.compressionByName(compress)) .withBlockSize(minBlockSize).build(); Writer writer = HFile.getWriterFactory(conf, cacheConf) .withOutputStream(fout) .withFileContext(meta) .create(); someTestingWithMetaBlock(writer); writer.close(); fout.close(); FSDataInputStream fin = fs.open(mFile); Reader reader = HFile.createReaderFromStream(mFile, fs.open(mFile), this.fs.getFileStatus(mFile).getLen(), cacheConf, conf); reader.loadFileInfo(); // No data -- this should return false. assertFalse(reader.getScanner(false, false).seekTo()); someReadingWithMetaBlock(reader); fs.delete(mFile, true); reader.close(); fin.close(); }
private String createHFileForFamilies(byte[] family) throws IOException { HFile.WriterFactory hFileFactory = HFile.getWriterFactoryNoCache(conf); // TODO We need a way to do this without creating files File hFileLocation = testFolder.newFile(); FSDataOutputStream out = new FSDataOutputStream(new FileOutputStream(hFileLocation), null); try { hFileFactory.withOutputStream(out); hFileFactory.withFileContext(new HFileContext()); HFile.Writer writer = hFileFactory.create(); try { writer.append(new KeyValue(CellUtil.createCell(randomBytes, family, randomBytes, 0L, KeyValue.Type.Put.getCode(), randomBytes))); } finally { writer.close(); } } finally { out.close(); } return hFileLocation.getAbsoluteFile().getAbsolutePath(); }
Path makeNewFile(TagUsage tagUsage) throws IOException { Path ncTFile = new Path(TEST_UTIL.getDataTestDir(), "basic.hfile"); FSDataOutputStream fout = TEST_UTIL.getTestFileSystem().create(ncTFile); int blocksize = toKV("a", tagUsage).getLength() * 3; HFileContext context = new HFileContextBuilder().withBlockSize(blocksize) .withDataBlockEncoding(encoding) .withIncludesTags(true).build(); Configuration conf = TEST_UTIL.getConfiguration(); HFile.Writer writer = HFile.getWriterFactoryNoCache(conf).withOutputStream(fout) .withFileContext(context) .withComparator(CellComparatorImpl.COMPARATOR).create(); // 4 bytes * 3 * 2 for each key/value + // 3 for keys, 15 for values = 42 (woot) writer.append(toKV("c", tagUsage)); writer.append(toKV("e", tagUsage)); writer.append(toKV("g", tagUsage)); // block transition writer.append(toKV("i", tagUsage)); writer.append(toKV("k", tagUsage)); writer.close(); fout.close(); return ncTFile; }
private String createHFileForFamilies(Path testPath, byte[] family, byte[] valueBytes) throws IOException { HFile.WriterFactory hFileFactory = HFile.getWriterFactoryNoCache(TEST_UTIL.getConfiguration()); // TODO We need a way to do this without creating files Path testFile = new Path(testPath, TEST_UTIL.getRandomUUID().toString()); FSDataOutputStream out = TEST_UTIL.getTestFileSystem().create(testFile); try { hFileFactory.withOutputStream(out); hFileFactory.withFileContext(new HFileContext()); HFile.Writer writer = hFileFactory.create(); try { writer.append(new KeyValue(CellUtil.createCell(valueBytes, family, valueBytes, 0L, KeyValue.Type.Put.getCode(), valueBytes))); } finally { writer.close(); } } finally { out.close(); } return testFile.toString(); }
@Test public void testNullMetaBlocks() throws Exception { if (cacheConf == null) cacheConf = new CacheConfig(conf); for (Compression.Algorithm compressAlgo : HBaseCommonTestingUtility.COMPRESSION_ALGORITHMS) { Path mFile = new Path(ROOT_DIR, "nometa_" + compressAlgo + ".hfile"); FSDataOutputStream fout = createFSOutput(mFile); HFileContext meta = new HFileContextBuilder().withCompression(compressAlgo) .withBlockSize(minBlockSize).build(); Writer writer = HFile.getWriterFactory(conf, cacheConf) .withOutputStream(fout) .withFileContext(meta) .create(); KeyValue kv = new KeyValue("foo".getBytes(), "f1".getBytes(), null, "value".getBytes()); writer.append(kv); writer.close(); fout.close(); Reader reader = HFile.createReader(fs, mFile, cacheConf, true, conf); reader.loadFileInfo(); assertNull(reader.getMetaBlock("non-existant", false)); } }
FSDataOutputStream out = fs.create(path); HFile.Writer writer = HFile.getWriterFactory(conf, cacheConf) .withOutputStream(out) .withFileContext(fileContext) .create();
.build(); Writer writer = HFile.getWriterFactoryNoCache(conf) .withOutputStream(fout) .withFileContext(context) .withComparator(CellComparatorImpl.COMPARATOR)
.build(); Writer writer = HFile.getWriterFactory(conf, cacheConf) .withOutputStream(fout) .withFileContext(meta) .withComparator(CellComparatorImpl.COMPARATOR)
FSDataOutputStream out = fs.create(path); HFile.Writer writer = HFile.getWriterFactory(conf, cacheConf) .withOutputStream(out) .withFileContext(fileContext) .create();
private String createHFileForFamilies(byte[] family) throws IOException { HFile.WriterFactory hFileFactory = HFile.getWriterFactoryNoCache(conf); // TODO We need a way to do this without creating files File hFileLocation = testFolder.newFile(); FSDataOutputStream out = new FSDataOutputStream(new FileOutputStream(hFileLocation), null); try { hFileFactory.withOutputStream(out); hFileFactory.withFileContext(new HFileContext()); HFile.Writer writer = hFileFactory.create(); try { writer.append(new KeyValue(CellUtil.createCell(randomBytes, family, randomBytes, 0L, KeyValue.Type.Put.getCode(), randomBytes))); } finally { writer.close(); } } finally { out.close(); } return hFileLocation.getAbsoluteFile().getAbsolutePath(); }
Path makeNewFile(TagUsage tagUsage) throws IOException { Path ncTFile = new Path(TEST_UTIL.getDataTestDir(), "basic.hfile"); FSDataOutputStream fout = TEST_UTIL.getTestFileSystem().create(ncTFile); int blocksize = toKV("a", tagUsage).getLength() * 3; HFileContext context = new HFileContextBuilder().withBlockSize(blocksize) .withDataBlockEncoding(encoding) .withIncludesTags(true).build(); Configuration conf = TEST_UTIL.getConfiguration(); HFile.Writer writer = HFile.getWriterFactoryNoCache(conf).withOutputStream(fout) .withFileContext(context) .withComparator(CellComparatorImpl.COMPARATOR).create(); // 4 bytes * 3 * 2 for each key/value + // 3 for keys, 15 for values = 42 (woot) writer.append(toKV("c", tagUsage)); writer.append(toKV("e", tagUsage)); writer.append(toKV("g", tagUsage)); // block transition writer.append(toKV("i", tagUsage)); writer.append(toKV("k", tagUsage)); writer.close(); fout.close(); return ncTFile; }
@Test public void testNullMetaBlocks() throws Exception { for (Compression.Algorithm compressAlgo : HBaseCommonTestingUtility.COMPRESSION_ALGORITHMS) { Path mFile = new Path(ROOT_DIR, "nometa_" + compressAlgo + ".hfile"); FSDataOutputStream fout = createFSOutput(mFile); HFileContext meta = new HFileContextBuilder().withCompression(compressAlgo) .withBlockSize(minBlockSize).build(); Writer writer = HFile.getWriterFactory(conf, cacheConf) .withOutputStream(fout) .withFileContext(meta) .create(); KeyValue kv = new KeyValue("foo".getBytes(), "f1".getBytes(), null, "value".getBytes()); writer.append(kv); writer.close(); fout.close(); Reader reader = HFile.createReader(fs, mFile, cacheConf, true, conf); reader.loadFileInfo(); assertNull(reader.getMetaBlock("non-existant", false)); } }