Packages

trait Layer extends AnyRef

Represents a layer in an image. Implementations represent the various types of layers.

An image layer consists of:

  • Content BLOB

-

  • The compressed archive (tarball gzip) of the partial filesystem changeset.
  • Content Digest

-

  • The SHA-256 hash of the content BLOB.
  • Content Size

-

  • The size (in bytes) of the content BLOB.
  • Diff ID

-

  • The SHA-256 hash of the uncompressed archive (tarball) of the partial filesystem changeset.
Linear Supertypes
AnyRef, Any
Known Subclasses
CachedLayer, CachedLayerWithMetadata, DigestOnlyLayer, ReferenceLayer, ReferenceNoDiffIdLayer, UnwrittenLayer
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Abstract Value Members

  1. abstract def getBlob(): Blob

    returns

    the layer's content BLOB

    Exceptions thrown

    LayerPropertyNotFoundException if not available

  2. abstract def getBlobDescriptor(): BlobDescriptor

    returns

    the layer's content BlobDescriptor

    Exceptions thrown

    LayerPropertyNotFoundException if not available

  3. abstract def getDiffId(): DescriptorDigest

    returns

    the layer's diff ID

    Exceptions thrown

    LayerPropertyNotFoundException if not available

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  5. def clone(): AnyRef
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  8. def finalize(): Unit
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  9. final def getClass(): Class[_]
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  10. def hashCode(): Int
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  11. final def isInstanceOf[T0]: Boolean
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  12. final def ne(arg0: AnyRef): Boolean
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  14. final def notifyAll(): Unit
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  15. final def synchronized[T0](arg0: ⇒ T0): T0
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