/** * @param cell * @param out * @param encodingCtx * @return unencoded size added * @throws IOException */ protected final int afterEncodingKeyValue( Cell cell, DataOutputStream out, HFileBlockDefaultEncodingContext encodingCtx) throws IOException { int size = 0; if (encodingCtx.getHFileContext().isIncludesTags()) { int tagsLength = cell.getTagsLength(); ByteBufferUtils.putCompressedInt(out, tagsLength); // There are some tags to be written if (tagsLength > 0) { TagCompressionContext tagCompressionContext = encodingCtx.getTagCompressionContext(); // When tag compression is enabled, tagCompressionContext will have a not null value. Write // the tags using Dictionary compression in such a case if (tagCompressionContext != null) { tagCompressionContext.compressTags( out, cell.getTagsArray(), cell.getTagsOffset(), tagsLength); } else { out.write(cell.getTagsArray(), cell.getTagsOffset(), tagsLength); } } size += tagsLength + KeyValue.TAGS_LENGTH_SIZE; } if (encodingCtx.getHFileContext().isIncludesMvcc()) { // Copy memstore timestamp from the byte buffer to the output stream. long memstoreTS = cell.getSequenceId(); WritableUtils.writeVLong(out, memstoreTS); // TODO use a writeVLong which returns the #bytes written so that 2 time parsing can be // avoided. size += WritableUtils.getVIntSize(memstoreTS); } return size; }