software.amazon.jdbc.hostlistprovider

Class MultiAzTopologyUtils

java.lang.Object

software.amazon.jdbc.hostlistprovider.TopologyUtils

software.amazon.jdbc.hostlistprovider.MultiAzTopologyUtils

public class MultiAzTopologyUtils
extends TopologyUtils

Field Summary

Fields

Modifier and Type	Field and Description
protected MultiAzClusterDialect	dialect

Fields inherited from class software.amazon.jdbc.hostlistprovider.TopologyUtils

DEFAULT_QUERY_TIMEOUT_MS, hostSpecBuilder, networkTimeoutExecutor

Constructor Summary

Constructors

Constructor and Description
MultiAzTopologyUtils(MultiAzClusterDialect dialect, HostSpecBuilder hostSpecBuilder)

Method Summary

Modifier and Type	Method and Description
protected HostSpec	createHost(java.sql.ResultSet rs, HostSpec initialHostSpec, HostSpec instanceTemplate, @Nullable java.lang.String writerId)
protected @Nullable java.util.List<HostSpec>	getHosts(java.sql.Connection conn, java.sql.ResultSet rs, HostSpec initialHostSpec, HostSpec instanceTemplate)
protected @Nullable java.lang.String	getWriterId(java.sql.Connection connection)
boolean	isWriterInstance(java.sql.Connection connection) Evaluate whether the given connection is to a writer instance.

Methods inherited from class software.amazon.jdbc.hostlistprovider.TopologyUtils

createHost, createHost, queryForTopology, setNetworkTimeout, verifyWriter

Methods inherited from class java.lang.Object

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

Field Detail

dialect

protected final MultiAzClusterDialect dialect

Constructor Detail

MultiAzTopologyUtils

public MultiAzTopologyUtils(MultiAzClusterDialect dialect,
                            HostSpecBuilder hostSpecBuilder)

Method Detail

getHosts

protected @Nullable java.util.List<HostSpec> getHosts(java.sql.Connection conn,
                                                      java.sql.ResultSet rs,
                                                      HostSpec initialHostSpec,
                                                      HostSpec instanceTemplate)
                                               throws java.sql.SQLException

Specified by:

getHosts in class TopologyUtils

Throws:

java.sql.SQLException

isWriterInstance

public boolean isWriterInstance(java.sql.Connection connection)
                         throws java.sql.SQLException

Description copied from class: TopologyUtils

Evaluate whether the given connection is to a writer instance.

Specified by:

isWriterInstance in class TopologyUtils

Parameters:

connection - the connection to evaluate.

Returns:

true if the connection is to a writer instance, false otherwise.

Throws:

java.sql.SQLException - if an exception occurs when querying the database or processing the database response.

getWriterId

protected @Nullable java.lang.String getWriterId(java.sql.Connection connection)
                                          throws java.sql.SQLException

Throws:

java.sql.SQLException

createHost

protected HostSpec createHost(java.sql.ResultSet rs,
                              HostSpec initialHostSpec,
                              HostSpec instanceTemplate,
                              @Nullable java.lang.String writerId)
                       throws java.sql.SQLException

Throws:

java.sql.SQLException