software.amazon.jdbc.plugin.readwritesplitting

Class GdbSettings

java.lang.Object

software.amazon.jdbc.plugin.readwritesplitting.GdbSettings

public class GdbSettings
extends java.lang.Object

Shared configuration and region logic for Global Database read/write splitting, extracted from the legacy GdbReadWriteSplittingPlugin. A single instance is shared by the GDB writer resolver, reader candidate source, and initial-connection handler.

Field Summary

Fields

Modifier and Type	Field and Description
static AwsWrapperProperty	ENABLE_GWF
static AwsWrapperProperty	RESTRICT_READER_TO_HOME_REGION
static AwsWrapperProperty	RESTRICT_WRITER_TO_HOME_REGION
static AwsWrapperProperty	RW_HOME_REGION

Constructor Summary

Constructors

Constructor and Description
GdbSettings(java.util.Properties properties)

Method Summary

Modifier and Type	Method and Description
@Nullable java.util.Set<java.lang.String>	accessibleRegions()
void	addSnapshotState(java.util.List<Pair<java.lang.String,java.lang.Object>> state) Snapshot fragment fields shared by GDB helpers.
boolean	enableGwf()
@Nullable java.lang.String	homeRegion()
void	init(HostSpec initHostSpec, java.util.Properties props) Resolves and validates the home region and accessible regions (idempotent).
boolean	isInAccessibleRegion(HostSpec host)
boolean	isInHomeRegion(HostSpec host)
RdsUtils	rdsHelper()
boolean	restrictReaderToHomeRegion()
boolean	restrictWriterToHomeRegion()

Methods inherited from class java.lang.Object

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

Field Detail

RW_HOME_REGION

public static final AwsWrapperProperty RW_HOME_REGION

RESTRICT_WRITER_TO_HOME_REGION

public static final AwsWrapperProperty RESTRICT_WRITER_TO_HOME_REGION

RESTRICT_READER_TO_HOME_REGION

public static final AwsWrapperProperty RESTRICT_READER_TO_HOME_REGION

ENABLE_GWF

public static final AwsWrapperProperty ENABLE_GWF

Constructor Detail

GdbSettings

public GdbSettings(java.util.Properties properties)

Method Detail

init

public void init(HostSpec initHostSpec,
                 java.util.Properties props)
          throws java.sql.SQLException

Resolves and validates the home region and accessible regions (idempotent).

Throws:

java.sql.SQLException

rdsHelper

public RdsUtils rdsHelper()

homeRegion

public @Nullable java.lang.String homeRegion()

accessibleRegions

public @Nullable java.util.Set<java.lang.String> accessibleRegions()

restrictWriterToHomeRegion

public boolean restrictWriterToHomeRegion()

restrictReaderToHomeRegion

public boolean restrictReaderToHomeRegion()

enableGwf

public boolean enableGwf()

isInAccessibleRegion

public boolean isInAccessibleRegion(HostSpec host)

isInHomeRegion

public boolean isInHomeRegion(HostSpec host)

addSnapshotState

public void addSnapshotState(java.util.List<Pair<java.lang.String,java.lang.Object>> state)

Snapshot fragment fields shared by GDB helpers.