software.amazon.jdbc.plugin.readwritesplitting.source

Interface ReaderCandidateSource

All Known Implementing Classes:

GdbRegionFilteredHostsCandidateSource, SingleEndpointCandidateSource, TopologyHostsCandidateSource

public interface ReaderCandidateSource

Supplies the set of eligible reader hosts for reader selection ("which readers can be used?"). Implementations cover all topology hosts, Global Database region-filtered hosts, and a single configured endpoint.

Method Summary

Modifier and Type	Method and Description
java.util.List<HostSpec>	candidates(RwSplitContext ctx) Returns the eligible reader candidates.

Method Detail

candidates

java.util.List<HostSpec> candidates(RwSplitContext ctx)
                             throws java.sql.SQLException

Returns the eligible reader candidates.

Parameters:

ctx - the read/write splitting context

Returns:

the candidate hosts (never null; may be empty)

Throws:

java.sql.SQLException