SembastQueryRefSyncExtension<K, V> extension
Query db actions. synchronous access.
- on
-
- QueryRef<
K, V>
- QueryRef<
Methods
-
countSync(
DatabaseClient client) → int - count records. Synchronous version.
-
getSnapshotsSync(
DatabaseClient client) → List< RecordSnapshot< K, V> > - Find multiple records. Synchronous version.
-
getSnapshotSync(
DatabaseClient client) → RecordSnapshot< K, V> ? - Find first record matching the query. Synchrnous version.
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onCountSync(
Database database) → Stream< int> - onCount stream, called when the number of items changes.
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onSnapshotsSync(
Database database) → Stream< List< RecordSnapshot< >K, V> > - Find multiple records and listen for changes.
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onSnapshotSync(
Database database) → Stream< RecordSnapshot< K, V> ?> - Find first record (null if none) and listen for changes.