software.amazon.jdbc.hostlistprovider.monitoring

Class MultiAzClusterTopologyMonitorImpl

java.lang.Object

software.amazon.jdbc.util.monitoring.AbstractMonitor

software.amazon.jdbc.hostlistprovider.monitoring.ClusterTopologyMonitorImpl

software.amazon.jdbc.hostlistprovider.monitoring.MultiAzClusterTopologyMonitorImpl

All Implemented Interfaces:

java.lang.Runnable, ClusterTopologyMonitor, Monitor

public class MultiAzClusterTopologyMonitorImpl
extends ClusterTopologyMonitorImpl

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.String	fetchWriterNodeColumnName
protected java.lang.String	fetchWriterNodeQuery

Fields inherited from class software.amazon.jdbc.hostlistprovider.monitoring.ClusterTopologyMonitorImpl

closeConnectionNetworkTimeoutMs, clusterId, clusterInstanceTemplate, connectionService, defaultConnectionTimeoutMs, defaultSocketTimeoutMs, defaultTopologyQueryTimeoutMs, highRefreshPeriodAfterPanicNano, highRefreshRateEndTimeNano, highRefreshRateNano, hostListProviderService, ignoreNewTopologyRequestsEndTimeNano, ignoreTopologyRequestNano, initialHostSpec, isVerifiedWriterConnection, MONITORING_PROPERTY_PREFIX, monitoringConnection, monitoringProperties, monitorTerminationTimeoutSec, networkTimeoutExecutor, nodeExecutorLock, nodeExecutorService, nodeIdQuery, nodeThreadsLatestTopology, nodeThreadsReaderConnection, nodeThreadsStop, nodeThreadsWriterConnection, nodeThreadsWriterHostSpec, properties, rdsHelper, refreshRateNano, requestToUpdateTopology, storageService, submittedNodes, topologyQuery, topologyUpdated, writerHostSpec, writerTopologyQuery

Fields inherited from class software.amazon.jdbc.util.monitoring.AbstractMonitor

lastActivityTimestampNanos, monitorExecutor, state, stop, terminationTimeoutSec

Constructor Summary

Constructors

Constructor and Description

MultiAzClusterTopologyMonitorImpl(java.lang.String clusterId, StorageService storageService, ConnectionService connectionService, HostSpec initialHostSpec, java.util.Properties properties, HostListProviderService hostListProviderService, HostSpec clusterInstanceTemplate, long refreshRateNano, long highRefreshRateNano, java.lang.String topologyQuery, java.lang.String writerTopologyQuery, java.lang.String nodeIdQuery, java.lang.String fetchWriterNodeQuery, java.lang.String fetchWriterNodeColumnName)

Method Summary

Modifier and Type	Method and Description
protected HostSpec	createHost(java.sql.ResultSet resultSet, java.lang.String suggestedWriterNodeId)
protected java.lang.String	getSuggestedWriterNodeId(java.sql.Connection connection)
protected java.lang.String	getWriterNodeId(java.sql.Connection connection)

Methods inherited from class software.amazon.jdbc.hostlistprovider.monitoring.ClusterTopologyMonitorImpl

canDispose, close, closeConnection, createHost, createNodeExecutorService, delay, fetchTopologyAndUpdateCache, forceRefresh, forceRefresh, getHostEndpoint, getNodeId, getNodeMonitoringWorker, isInPanicMode, monitor, openAnyConnectionAndUpdateTopology, processQueryResults, queryForTopology, setClusterId, shutdownNodeExecutorService, stop, updateTopologyCache, waitTillTopologyGetsUpdated

Methods inherited from class software.amazon.jdbc.util.monitoring.AbstractMonitor

getLastActivityTimestampNanos, getState, run, start

Methods inherited from class java.lang.Object

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

Methods inherited from interface software.amazon.jdbc.util.monitoring.Monitor

getLastActivityTimestampNanos, getState, start

Field Detail

fetchWriterNodeQuery

protected final java.lang.String fetchWriterNodeQuery

fetchWriterNodeColumnName

protected final java.lang.String fetchWriterNodeColumnName

Constructor Detail

MultiAzClusterTopologyMonitorImpl

public MultiAzClusterTopologyMonitorImpl(java.lang.String clusterId,
                                         StorageService storageService,
                                         ConnectionService connectionService,
                                         HostSpec initialHostSpec,
                                         java.util.Properties properties,
                                         HostListProviderService hostListProviderService,
                                         HostSpec clusterInstanceTemplate,
                                         long refreshRateNano,
                                         long highRefreshRateNano,
                                         java.lang.String topologyQuery,
                                         java.lang.String writerTopologyQuery,
                                         java.lang.String nodeIdQuery,
                                         java.lang.String fetchWriterNodeQuery,
                                         java.lang.String fetchWriterNodeColumnName)

Method Detail

getWriterNodeId

protected java.lang.String getWriterNodeId(java.sql.Connection connection)
                                    throws java.sql.SQLException

Overrides:

getWriterNodeId in class ClusterTopologyMonitorImpl

Throws:

java.sql.SQLException

getSuggestedWriterNodeId

protected java.lang.String getSuggestedWriterNodeId(java.sql.Connection connection)
                                             throws java.sql.SQLException

Overrides:

getSuggestedWriterNodeId in class ClusterTopologyMonitorImpl

Throws:

java.sql.SQLException

createHost

protected HostSpec createHost(java.sql.ResultSet resultSet,
                              java.lang.String suggestedWriterNodeId)
                       throws java.sql.SQLException

Overrides:

createHost in class ClusterTopologyMonitorImpl

Throws:

java.sql.SQLException