java.lang.Object | ||
↳ | com.google.android.gms.drive.metadata.MetadataField<T> | |
↳ | com.google.android.gms.drive.metadata.OrderedMetadataField<T extends java.lang.Comparable<T>> |
A metadata field which holds an ordered value (such as a date) which can be used for range
queries. Instances of this class (such as the static values in
SearchableField
) can be used to create inequality
filters for file queries.
For example, the following code will find all files that were modified in the last hour with the MIME type "text/plain":
Date oneHourAgo = new Date(System.currentTimeMillis() - (60 * 60 * 1000)); Filter dateFilter = Filters.greaterThan(SearchableField.MODIFIED_DATE, parent); Filter mimeTypeFilter = Filters.eq(SearchableField.MIME_TYPE, "text/plain"); Query query = new Query.Builder().addFilters(dateFilter, mimeTypeFilter).build(); for (Metadata metadata : Drive.DriveApi.query(apiClient, query).await().getMetadataBuffer()) { System.out.println(metadata.getTitle()); }
Note that you must pass a DateMetadataField to the Filters.greaterThan
,
Filters.lessThan
, Filters.lessThanEquals
, or Filters.greaterThanEquals
methods; a plain MetadataField
cannot be used as part of an inequality query. However,
every DateMetadataField
is also a MetadataField
, so you can use a
DateMetadataField
with Filters.eq
(for example, if you want to find a file that
was modified at an exact time).
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