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Add a MetadataUpdate class in preparation for batch object updates
So we can pass a Map<ObjectIDResolvedWS, MetadataUpdate> to the method
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| package us.kbase.workspace.database; | ||
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| import static us.kbase.workspace.database.Util.noNulls; | ||
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| import java.util.Collection; | ||
| import java.util.Collections; | ||
| import java.util.HashSet; | ||
| import java.util.Objects; | ||
| import java.util.Optional; | ||
| import java.util.Set; | ||
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| /** An update to a a set of metadata, including keys to add or replace and keys to remove. */ | ||
| public class MetadataUpdate { | ||
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| private final WorkspaceUserMetadata meta; | ||
| private final Set<String> remove; | ||
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| /** Create the update. | ||
| * @param meta keys to add to or replace in the target metadata. | ||
| * @param toRemove keys to remove from the target metadata. | ||
| */ | ||
| public MetadataUpdate(final WorkspaceUserMetadata meta, final Collection<String> toRemove) { | ||
| this.meta = meta == null || meta.isEmpty() ? null : meta; | ||
| if (toRemove != null && !toRemove.isEmpty()) { | ||
| this.remove = Collections.unmodifiableSet(new HashSet<>( | ||
| noNulls( | ||
| toRemove, | ||
| "null metadata keys are not allowed in the remove parameter" | ||
| ) | ||
| )); | ||
| } else { | ||
| this.remove = null; | ||
| } | ||
| } | ||
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| /** Get the keys to add or replace in the target metadata. | ||
| * @return the keys. | ||
| */ | ||
| public Optional<WorkspaceUserMetadata> getMeta() { | ||
| return Optional.ofNullable(meta); | ||
| } | ||
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| /** Get the keys to remove from the target metadata. | ||
| * @return | ||
| */ | ||
| public Optional<Set<String>> getToRemove() { | ||
| return Optional.ofNullable(remove); | ||
| } | ||
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| /** Return whether this metadata update has an update. | ||
| * @return true if there are keys to add, replace, or remove in this update. | ||
| */ | ||
| public boolean hasUpdate() { | ||
| return meta != null || remove != null; | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(meta, remove); | ||
| } | ||
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| @Override | ||
| public boolean equals(Object obj) { | ||
| if (this == obj) { | ||
| return true; | ||
| } | ||
| if (obj == null) { | ||
| return false; | ||
| } | ||
| if (getClass() != obj.getClass()) { | ||
| return false; | ||
| } | ||
| MetadataUpdate other = (MetadataUpdate) obj; | ||
| return Objects.equals(meta, other.meta) && Objects.equals(remove, other.remove); | ||
| } | ||
|
|
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| } |
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