Provide a way to unset blob metadata #279

mziccard · 2015-10-22T12:43:42Z

This PR follows from #60 and provides a different solution from #276.
If blobInfo metadata are set to null then Data.nullOf(ImmutableEmptyMap.class) is used. This way patch is capable of unsetting the metadata if need be.

This PR also documents patch behavior in Blob and Storage javadocs, code snippets are added to show how to unset blob's metadata.

We could consider moving ImmutableEmptyMap out of BlobInfo, thoughts?

gcloud-java-storage/src/main/java/com/google/gcloud/storage/BlobInfo.java

@@ -81,6 +84,14 @@ public StorageObject apply(BlobInfo blobInfo) {
  private final String contentLanguage;
  private final Integer componentCount;

+  public static final class ImmutableEmptyMap<K, V> extends AbstractMap<K, V> {


aozarov · 2015-10-22T20:49:39Z

Good job, I like it and I think we should go with this option for fixing #60.

@mziccard What do you think?

mziccard · 2015-10-22T21:01:49Z

@aozarov I agree, this is much cleaner than #276 and provides a reasonable way of circumventing #60. I'll take care of addressing all your comments.

- Use HashMap instead of ImmutableMap in builder.metadata - Use Collections.unmodifiableMap in blobInfo.metadata getter - Convert null values in metadata to Data.nullOf in blobInfo.toPb - Add integration tests - Add javadoc to mark BlobInfo.ImmutableEmptyMap as internal

Provide a way to unset blob metadata

@miraleung

Committer: @miraleung PiperOrigin-RevId: 378266372 Source-Link: googleapis/googleapis@9e31055 Source-Link: https://github.com/googleapis/googleapis-gen/commit/14629f6b39dfee67009f79a96d2077d5bb17d1c3

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Add null value (empty map) for blob metadata

333a3bb

mziccard added the api: storage Issues related to the Cloud Storage API. label Oct 22, 2015

googlebot added the cla: yes This human has signed the Contributor License Agreement. label Oct 22, 2015

mziccard added 3 commits October 22, 2015 15:06

Document patch behaviour in Blob and Storage javadoc

3b91741

Add integration test for replacing metadata

99178a3

Minor refactoring of ITStorageTest

04cf0a7

mziccard force-pushed the fix-unset-metadata branch from 380c5cc to 04cf0a7 Compare October 22, 2015 13:06

aozarov reviewed Oct 22, 2015
View reviewed changes

mziccard added 2 commits October 23, 2015 13:46

Use newHashMapWithExpectedSize instead of new HashMap

682848a

aozarov added a commit that referenced this pull request Oct 23, 2015

Merge pull request #279 from mziccard/fix-unset-metadata

33e932e

Provide a way to unset blob metadata

aozarov merged commit 33e932e into googleapis:master Oct 23, 2015

aozarov mentioned this pull request Oct 23, 2015

The result of a patch metadata is a union rather than replacement. #60

Closed

github-actions bot pushed a commit that referenced this pull request Jul 14, 2022

chore: add native image checks as required (#279)

1a1bb5f

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Provide a way to unset blob metadata #279

Provide a way to unset blob metadata #279

mziccard commented Oct 22, 2015

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aozarov commented Oct 22, 2015

mziccard commented Oct 22, 2015

Provide a way to unset blob metadata #279

Provide a way to unset blob metadata #279

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