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Posted to oak-dev@jackrabbit.apache.org by Julian Sedding <js...@gmail.com> on 2016/12/09 11:16:28 UTC

Clarifiing Blob#getReference and BlobStore#getReference

Hi all

I was wondering if Blob#getReference could be used in
AbstractBlob#equal to optimize blob comparison (OAK-5253).
Specifically whether blobA.getReference() != blobB.getReference()
(pseudocode) allows us to determine that the blobs are not equal.

However, the API docs[0,1] only state that they return a "secure
reference" to the Blob. They do not explain what "safe" is supposed to
mean in this context.

Thanks for your insights!

Regards
Julian

[0] http://static.javadoc.io/org.apache.jackrabbit/oak-core/1.5.14/org/apache/jackrabbit/oak/api/Blob.html#getReference()
[1] http://static.javadoc.io/org.apache.jackrabbit/oak-blob/1.5.14/org/apache/jackrabbit/oak/spi/blob/BlobStore.html#getReference(java.lang.String)