com.google.cloud.tools.jib.cache

Class CachedLayer

java.lang.Object

com.google.cloud.tools.jib.cache.CachedLayer

All Implemented Interfaces:

Layer

public class CachedLayer
extends Object
implements Layer

A Layer that has been written out to a cache and has its file-backed content BLOB, digest, size, and diff ID.

Constructor Summary

Constructors

Constructor and Description
CachedLayer(Path contentFile, BlobDescriptor blobDescriptor, DescriptorDigest diffId) Initializes the layer with its file-backed content BLOB, content descriptor (digest and size), and diff ID.

Method Summary

Modifier and Type	Method and Description
Blob	getBlob()
BlobDescriptor	getBlobDescriptor()
Path	getContentFile()
DescriptorDigest	getDiffId()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CachedLayer

public CachedLayer(Path contentFile,
                   BlobDescriptor blobDescriptor,
                   DescriptorDigest diffId)

Initializes the layer with its file-backed content BLOB, content descriptor (digest and size), and diff ID. The blobDescriptor and diffId must match the BLOB stored in the file - no checks are made at runtime.

Parameters:

contentFile - the file with the layer's content BLOB

blobDescriptor - the content descriptor for the layer's content BLOB

diffId - the diff ID for the layer

See Also:

Layer

Method Detail

getContentFile

public Path getContentFile()

getBlob

public Blob getBlob()

Specified by:

getBlob in interface Layer

Returns:

the layer's content BLOB

getBlobDescriptor

public BlobDescriptor getBlobDescriptor()

Specified by:

getBlobDescriptor in interface Layer

Returns:

the layer's content BlobDescriptor

getDiffId

public DescriptorDigest getDiffId()

Specified by:

getDiffId in interface Layer

Returns:

the layer's diff ID