vortex_sampling_compressor::compressors

Trait EncodingCompressor

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pub trait EncodingCompressor:
    Sync
    + Send
    + Debug {
    // Required methods
    fn id(&self) -> &str;
    fn cost(&self) -> u8;
    fn can_compress(&self, array: &Array) -> Option<&dyn EncodingCompressor>;
    fn compress<'a>(
        &'a self,
        array: &Array,
        like: Option<CompressionTree<'a>>,
        ctx: SamplingCompressor<'a>,
    ) -> VortexResult<CompressedArray<'a>>;
    fn used_encodings(&self) -> HashSet<EncodingId>;
}

Required Methods§

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fn id(&self) -> &str

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fn cost(&self) -> u8

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fn can_compress(&self, array: &Array) -> Option<&dyn EncodingCompressor>

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fn compress<'a>( &'a self, array: &Array, like: Option<CompressionTree<'a>>, ctx: SamplingCompressor<'a>, ) -> VortexResult<CompressedArray<'a>>

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fn used_encodings(&self) -> HashSet<EncodingId>

Trait Implementations§

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impl Hash for dyn EncodingCompressor + '_

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fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more
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impl PartialEq for dyn EncodingCompressor + '_

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fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for dyn EncodingCompressor + '_

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