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class CacheWriter extends AnyRef

Writes UnwrittenLayers to the cache.

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Instance Constructors

  1. new CacheWriter(cache: Cache)

Value Members

  1. final def !=(arg0: Any): Boolean
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  9. def getCachedLayer(layerSize: Long, layerDigest: DescriptorDigest): CachedLayer

    Gets the layer that was cached by writing the contents to a file in the cache.

    Gets the layer that was cached by writing the contents to a file in the cache. The returned CachedLayer should be added to the cache metadata.

    layerSize

    the size of the layer

    layerDigest

    the digest of the layer to retrieve

    returns

    a CachedLayer from a layer digest and the CountingOutputStream the layer BLOB was written to

    Exceptions thrown

    IOException if closing the output stream or getting the layer diff ID fails

  10. final def getClass(): Class[_]
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  11. def getLayerOutputStream(layerDigest: DescriptorDigest): CountingOutputStream

    layerDigest

    the written layer's digest.

    returns

    the CountingOutputStream to write to to cache a layer with the specified compressed digest.

    Exceptions thrown

    IOException if writing to the layer file's output stream fails.

  12. def hashCode(): Int
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  22. def writeLayer(reproducibleLayerBuilder: ReproducibleLayerBuilder): CachedLayerWithMetadata

    Builds an UnwrittenLayer from a ReproducibleLayerBuilder and compresses and writes the UnwrittenLayer's uncompressed layer content BLOB to cache.

    Builds an UnwrittenLayer from a ReproducibleLayerBuilder and compresses and writes the UnwrittenLayer's uncompressed layer content BLOB to cache.

    reproducibleLayerBuilder

    the layer builder

    returns

    the cached layer with accompanying LayerMetadata

    Exceptions thrown

    IOException if writing the layer to file fails

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