Examples with MessageIdData org.apache.pulsar.common.api.proto.PulsarApi.MessageIdData used on opensource projects

Example 16 with MessageIdData

use of org.apache.pulsar.common.api.proto.PulsarApi.MessageIdData in project incubator-pulsar by apache.

the class RawMessageImpl method deserializeFrom.

public static RawMessage deserializeFrom(ByteBuf buffer) {
    try {
        int idSize = buffer.readInt();
        int writerIndex = buffer.writerIndex();
        buffer.writerIndex(buffer.readerIndex() + idSize);
        ByteBufCodedInputStream stream = ByteBufCodedInputStream.get(buffer);
        MessageIdData.Builder builder = MessageIdData.newBuilder();
        MessageIdData id = builder.mergeFrom(stream, null).build();
        buffer.writerIndex(writerIndex);
        builder.recycle();
        int payloadAndMetadataSize = buffer.readInt();
        ByteBuf metadataAndPayload = buffer.slice(buffer.readerIndex(), payloadAndMetadataSize);
        return new RawMessageImpl(id, metadataAndPayload);
    } catch (IOException e) {
        // This is in-memory deserialization, should not fail
        log.error("IO exception deserializing ByteBuf (this shouldn't happen as operation is in-memory)", e);
        throw new RuntimeException(e);
    }
}