public abstract class

OrderedMetadataField

extends MetadataField<T>
java.lang.Object
   ↳ com.google.android.gms.drive.metadata.MetadataField<T>
     ↳ com.google.android.gms.drive.metadata.OrderedMetadataField<T extends java.lang.Comparable<T>>

Class Overview

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 an OrderedMetadataField 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 OrderedMetadataField is also a MetadataField, so you can use a OrderedMetadataField with Filters.eq (for example, if you want to find a file that was modified at an exact time).

Summary

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Inherited Methods
From class com.google.android.gms.drive.metadata.MetadataField
From class java.lang.Object