Package akka.persistence.query.javadsl
Interface PagedPersistenceIdsQuery
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- All Superinterfaces:
ReadJournal
public interface PagedPersistenceIdsQuery extends ReadJournal
A ReadJournal may optionally support this query by implementing this trait.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description Source<java.lang.String,NotUsed>
currentPersistenceIds(java.util.Optional<java.lang.String> afterId, long limit)
Get the current persistence ids.
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Method Detail
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currentPersistenceIds
Source<java.lang.String,NotUsed> currentPersistenceIds(java.util.Optional<java.lang.String> afterId, long limit)
Get the current persistence ids.Not all plugins may support in database paging, and may simply use drop/take Akka streams operators to manipulate the result set according to the paging parameters.
- Parameters:
afterId
- The ID to start returning results from, or empty to return all ids. This should be an id returned from a previous invocation of this command. Callers should not assume that ids are returned in sorted order.limit
- The maximum results to return. Use Long.MAX_VALUE to return all results. Must be greater than zero.- Returns:
- A source containing all the persistence ids, limited as specified.
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