Struct sequencefile::Header

pub struct Header {
    pub version: u16,
    pub compression_type: CompressionType,
    pub compression_codec: Option<Codec>,
    pub key_class: String,
    pub value_class: String,
    pub metadata: HashMap<String, String>,
    // some fields omitted
}

Sequencefile header, metadata about the file, e.g. key/value types, version, compression and some internal state for properly decoding

Fields

version: u16

Sequencefile version Version 4 - block compression Version 5 - custom compression codecs Version 6 - metadata

compression_type: CompressionType

Type of value compression

compression_codec: Option<Codec>

Codec, if any

key_class: String

Fully-qualified Java class of key Writable

value_class: String

Fully-qualified Java class of value Writable

metadata: HashMap<String, String>

K-V metadata on sequencefile

Trait Implementations

impl Debug for Header

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.