software.amazon.jdbc.plugin.readwritesplitting.resolver

Class GdbWriterResolver

java.lang.Object

software.amazon.jdbc.plugin.readwritesplitting.resolver.GdbWriterResolver

All Implemented Interfaces:

WriterResolver

public class GdbWriterResolver
extends java.lang.Object
implements WriterResolver

WriterResolver for Global Database: enforces accessible-region and home-region rules, and returns WriterResolution.stay() for an out-of-home-region writer when Global Write Forwarding is enabled. Otherwise delegates to a topology writer resolver. Ports the legacy GdbReadWriteSplittingPlugin.initializeWriterConnection.

Constructor Summary

Constructors

Constructor and Description
GdbWriterResolver(GdbSettings settings, WriterResolver delegate)

Method Summary

Modifier and Type	Method and Description
WriterResolution	resolveWriter(RwSplitContext ctx) Resolves the writer target.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GdbWriterResolver

public GdbWriterResolver(GdbSettings settings,
                         WriterResolver delegate)

Method Detail

resolveWriter

public WriterResolution resolveWriter(RwSplitContext ctx)
                               throws java.sql.SQLException

Description copied from interface: WriterResolver

Resolves the writer target. The returned WriterResolution is either WriterResolution.Kind.CONNECTED (a writer connection was established) or WriterResolution.Kind.STAY (remain on the current reader connection, e.g. Global Write Forwarding).

Specified by:

resolveWriter in interface WriterResolver

Parameters:

ctx - the read/write splitting context

Returns:

the writer resolution

Throws:

java.sql.SQLException