* @param AvroIO $io source from which to read * @param AvroIODatumReader $datum_reader reader that understands * the data schema * @throws AvroDataIOException if $io is not an instance of AvroIO * or the codec specified in the header * is not supported * @uses readHeader()
($io, $datum_reader)
| 75 | * @uses readHeader() |
| 76 | */ |
| 77 | public function __construct($io, $datum_reader) |
| 78 | { |
| 79 | |
| 80 | if (!($io instanceof AvroIO)) { |
| 81 | throw new AvroDataIOException('io must be instance of AvroIO'); |
| 82 | } |
| 83 | |
| 84 | $this->io = $io; |
| 85 | $this->decoder = new AvroIOBinaryDecoder($this->io); |
| 86 | $this->datum_reader = $datum_reader; |
| 87 | $this->readHeader(); |
| 88 | |
| 89 | $codec = $this->metadata[AvroDataIO::METADATA_CODEC_ATTR] ?? null; |
| 90 | if ($codec && !AvroDataIO::isValidCodec($codec)) { |
| 91 | throw new AvroDataIOException(sprintf('Unknown codec: %s', $codec)); |
| 92 | } |
| 93 | $this->codec = $codec; |
| 94 | |
| 95 | $this->block_count = 0; |
| 96 | // FIXME: Seems unsanitary to set writers_schema here. |
| 97 | // Can't constructor take it as an argument? |
| 98 | $this->datum_reader->setWritersSchema( |
| 99 | AvroSchema::parse($this->metadata[AvroDataIO::METADATA_SCHEMA_ATTR]) |
| 100 | ); |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Reads header of object container |
nothing calls this directly
no test coverage detected