@Override public int encode(Cell cell, HFileBlockEncodingContext encodingCtx, DataOutputStream out) throws IOException { return this.encoding.getEncoder().encode(cell, encodingCtx, out); }
klength, vlength, tagsLength)); kv.setSequenceId(memstoreTS); this.dataBlockEncoder.encode(kv, encodingCtx, out);
static ByteBuffer encodeKeyValues(DataBlockEncoding encoding, List<KeyValue> kvs, HFileBlockEncodingContext encodingContext, boolean useOffheapData) throws IOException { DataBlockEncoder encoder = encoding.getEncoder(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); baos.write(HFILEBLOCK_DUMMY_HEADER); DataOutputStream dos = new DataOutputStream(baos); encoder.startBlockEncoding(encodingContext, dos); for (KeyValue kv : kvs) { encoder.encode(kv, encodingContext, dos); } encoder.endBlockEncoding(encodingContext, dos, baos.getBuffer()); byte[] encodedData = new byte[baos.size() - ENCODED_DATA_OFFSET]; System.arraycopy(baos.toByteArray(), ENCODED_DATA_OFFSET, encodedData, 0, encodedData.length); if (useOffheapData) { ByteBuffer bb = ByteBuffer.allocateDirect(encodedData.length); bb.put(encodedData); bb.rewind(); return bb; } return ByteBuffer.wrap(encodedData); }
private void testEncodersOnDataset(List<KeyValue> kvList, boolean includesMemstoreTS, boolean includesTags) throws IOException { ByteBuffer unencodedDataBuf = RedundantKVGenerator.convertKvToByteBuffer(kvList, includesMemstoreTS); HFileContext fileContext = new HFileContextBuilder().withIncludesMvcc(includesMemstoreTS) .withIncludesTags(includesTags).build(); for (DataBlockEncoding encoding : DataBlockEncoding.values()) { DataBlockEncoder encoder = encoding.getEncoder(); if (encoder == null) { continue; } HFileBlockEncodingContext encodingContext = new HFileBlockDefaultEncodingContext(encoding, HFILEBLOCK_DUMMY_HEADER, fileContext); ByteArrayOutputStream baos = new ByteArrayOutputStream(); baos.write(HFILEBLOCK_DUMMY_HEADER); DataOutputStream dos = new DataOutputStream(baos); encoder.startBlockEncoding(encodingContext, dos); for (KeyValue kv : kvList) { encoder.encode(kv, encodingContext, dos); } encoder.endBlockEncoding(encodingContext, dos, baos.getBuffer()); byte[] encodedData = baos.toByteArray(); testAlgorithm(encodedData, unencodedDataBuf, encoder); } }
@Override public int encode(Cell cell, HFileBlockEncodingContext encodingCtx, DataOutputStream out) throws IOException { return this.encoding.getEncoder().encode(cell, encodingCtx, out); }
klength, vlength, tagsLength)); kv.setSequenceId(memstoreTS); this.dataBlockEncoder.encode(kv, encodingCtx, out);
klength, vlength, tagsLength)); kv.setSequenceId(memstoreTS); this.dataBlockEncoder.encode(kv, encodingCtx, out);
klength, vlength, tagsLength)); kv.setSequenceId(memstoreTS); this.dataBlockEncoder.encode(kv, encodingCtx, out);
static ByteBuffer encodeKeyValues(DataBlockEncoding encoding, List<KeyValue> kvs, HFileBlockEncodingContext encodingContext, boolean useOffheapData) throws IOException { DataBlockEncoder encoder = encoding.getEncoder(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); baos.write(HFILEBLOCK_DUMMY_HEADER); DataOutputStream dos = new DataOutputStream(baos); encoder.startBlockEncoding(encodingContext, dos); for (KeyValue kv : kvs) { encoder.encode(kv, encodingContext, dos); } encoder.endBlockEncoding(encodingContext, dos, baos.getBuffer()); byte[] encodedData = new byte[baos.size() - ENCODED_DATA_OFFSET]; System.arraycopy(baos.toByteArray(), ENCODED_DATA_OFFSET, encodedData, 0, encodedData.length); if (useOffheapData) { ByteBuffer bb = ByteBuffer.allocateDirect(encodedData.length); bb.put(encodedData); bb.rewind(); return bb; } return ByteBuffer.wrap(encodedData); }
private void testEncodersOnDataset(List<KeyValue> kvList, boolean includesMemstoreTS, boolean includesTags) throws IOException { ByteBuffer unencodedDataBuf = RedundantKVGenerator.convertKvToByteBuffer(kvList, includesMemstoreTS); HFileContext fileContext = new HFileContextBuilder().withIncludesMvcc(includesMemstoreTS) .withIncludesTags(includesTags).build(); for (DataBlockEncoding encoding : DataBlockEncoding.values()) { DataBlockEncoder encoder = encoding.getEncoder(); if (encoder == null) { continue; } HFileBlockEncodingContext encodingContext = new HFileBlockDefaultEncodingContext(encoding, HFILEBLOCK_DUMMY_HEADER, fileContext); ByteArrayOutputStream baos = new ByteArrayOutputStream(); baos.write(HFILEBLOCK_DUMMY_HEADER); DataOutputStream dos = new DataOutputStream(baos); encoder.startBlockEncoding(encodingContext, dos); for (KeyValue kv : kvList) { encoder.encode(kv, encodingContext, dos); } encoder.endBlockEncoding(encodingContext, dos, baos.getBuffer()); byte[] encodedData = baos.toByteArray(); testAlgorithm(encodedData, unencodedDataBuf, encoder); } }