java.lang.Object
- org.craftercms.studio.impl.v2.dal.cluster.DbPrimaryReplicaClusterSynchronizationServiceImpl

All Implemented Interfaces:

EventListener, DbPrimaryReplicaClusterSynchronizationService, org.springframework.beans.factory.Aware, org.springframework.beans.factory.DisposableBean, org.springframework.beans.factory.InitializingBean, org.springframework.context.ApplicationContextAware, org.springframework.context.ApplicationListener<org.springframework.context.event.ContextRefreshedEvent>
```
public class DbPrimaryReplicaClusterSynchronizationServiceImpl
extends Object
implements DbPrimaryReplicaClusterSynchronizationService, org.springframework.beans.factory.InitializingBean, org.springframework.beans.factory.DisposableBean, org.springframework.context.ApplicationContextAware, org.springframework.context.ApplicationListener<org.springframework.context.event.ContextRefreshedEvent>
```
Default implementation of DbPrimaryReplicaClusterSynchronizationService, which uses a Hazelcast cluster to communicate with the other DB nodes.

Since:

4.0.0

Author:

dejan-brkic

Nested Class Summary

Nested Classes
Modifier and Type Class Description

protected class DbPrimaryReplicaClusterSynchronizationServiceImpl.StatusReporter

Field Summary

Fields
Modifier and Type	Field	Description
`protected org.springframework.context.ApplicationContext`	`applicationContext`
`protected boolean`	`appReady`
`protected com.hazelcast.map.IMap<String,Object>`	`clusterInfo`
`protected Connection`	`connection`
`protected com.hazelcast.map.IMap<String,DbPrimaryReplicaClusterMember>`	`currentClusterMembers`
`protected String`	`delimiter`
`protected com.hazelcast.core.HazelcastInstance`	`hazelcastInstance`
`protected DbPrimaryReplicaClusterMember`	`localNode`
`protected PrimaryReplicaMemberStartupConfig`	`localStartupConfig`
`protected static String`	`MASTER_FILE`
`protected static String`	`MASTER_HOST`
`protected static String`	`MASTER_PORT`
`protected static String`	`MASTER_POSITION`
`protected ScheduledExecutorService`	`periodicStatusReporterExecutor`
`protected static String`	`PRIMARY_BINLOG_INDEX_FILE_PATH_FORMAT`
`protected int`	`replicaReadyWaitInterval`
`protected static String`	`SECONDS_BEHIND_MASTER_COLUMN`
`protected static String`	`SHOW_PRIMARY_STATUS_DB_QUERY`
`protected static String`	`SHOW_REPLICA_STATUS_DB_QUERY`
`protected static String`	`SLAVE_IO_RUNNING_COLUMN`
`protected static String`	`SLAVE_SQL_RUNNING_COLUMN`
`protected PreparedStatement`	`statusQueryStmt`
`protected StudioConfiguration`	`studioConfiguration`
`protected StudioPrimaryReplicaManagementServiceImpl`	`studioPrimaryReplicaManagementService`
`protected StudioPrimaryReplicaUtils`	`studioPrimaryReplicaUtils`

Constructor Summary

Constructors
Constructor Description

DbPrimaryReplicaClusterSynchronizationServiceImpl()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`afterPropertiesSet()`
`protected boolean`	`areAllNodesNew()`
`protected boolean`	`checkIfLocalNodeHasOldestStartTimestamp()`
`protected void`	`closeConnection()`
`protected void`	`closeStatusQueryStatement()`
`void`	`destroy()`
`protected Collection<DbPrimaryReplicaClusterMember>`	`getActiveClusterMembers()`
`org.springframework.context.ApplicationContext`	`getApplicationContext()`
`int`	`getClusterMemberCount()`
`String`	`getClusterName()`
`String`	`getDbBasePath()`
`String`	`getDbDataPath()`
`String`	`getDbPort()`
`String`	`getDbSocket()`
`String`	`getDelimiter()`
`String`	`getHazelcastClusterNamePrefix()`
`com.hazelcast.core.HazelcastInstance`	`getHazelcastInstance()`
`String`	`getLocalNodeAddress()`
`String`	`getLocalNodeName()`
`String`	`getLogBasename()`
`Path`	`getPrimaryBinlogIndexFilePath()`
`protected Collection<DbPrimaryReplicaClusterMember>`	`getPrimaryMembers()`
`protected DbPrimaryReplicaClusterMember`	`getPrimaryNode()`
`Path`	`getPrimaryReplicaMasterInfoFilePath()`
`int`	`getReplicaReadyWaitInterval()`
`long`	`getServerId()`
`long`	`getStatusReportingPeriodSecs()`
`long`	`getStatusReportTtlSecs()`
`StudioConfiguration`	`getStudioConfiguration()`
`StudioPrimaryReplicaManagementServiceImpl`	`getStudioPrimaryReplicaManagementService()`
`StudioPrimaryReplicaUtils`	`getStudioPrimaryReplicaUtils()`
`long`	`getWaitForClusterBootstrapTimeoutSecs()`
`long`	`getWaitForInitialReportsTimeoutSecs()`
`long`	`getWaitForLocalNodeToBeSyncedTimeoutSecs()`
`protected void`	`initConnection()`
`void`	`onApplicationEvent(org.springframework.context.event.ContextRefreshedEvent event)`
`protected void`	`queryAndUpdatePrimaryReplicaStatus()`
`protected void`	`reportStatus()`
`protected void`	`retrievePrimaryReplicaStatus()`
`void`	`setApplicationContext(org.springframework.context.ApplicationContext applicationContext)`
`void`	`setDelimiter(String delimiter)`
`void`	`setHazelcastInstance(com.hazelcast.core.HazelcastInstance hazelcastInstance)`
`void`	`setReplicaReadyWaitInterval(int replicaReadyWaitInterval)`
`void`	`setStudioConfiguration(StudioConfiguration studioConfiguration)`
`void`	`setStudioPrimaryReplicaManagementService(StudioPrimaryReplicaManagementServiceImpl studioPrimaryReplicaManagementService)`
`void`	`setStudioPrimaryReplicaUtils(StudioPrimaryReplicaUtils studioPrimaryReplicaUtils)`
`protected void`	`start(Consumer<PrimaryReplicaMemberStartupConfig> startupCallback)`
`protected void`	`startPrimaryAsReplica(Consumer<PrimaryReplicaMemberStartupConfig> startupCallback)`
`void`	`synchronizeStartup(Consumer<PrimaryReplicaMemberStartupConfig> startupCallback)`	Orchestrates the startup of a MariaDB replication, synchronizing with the other cluster nodes.
`void`	`turnOnCorrectRunningMode()`	Turn on primary or replica mode depending on local node role
`protected boolean`	`waitForCondition(long timeoutSecs, Supplier<String> conditionStrSupplier, BooleanSupplier predicate)`
`protected void`	`waitForInitialReports()`
`protected void`	`waitForLocalReplicaToSync()`
`protected Collection<DbPrimaryReplicaClusterMember>`	`waitForPrimaryToStart()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PRIMARY_BINLOG_INDEX_FILE_PATH_FORMAT

protected static final String PRIMARY_BINLOG_INDEX_FILE_PATH_FORMAT

See Also:: Constant Field Values

SHOW_PRIMARY_STATUS_DB_QUERY

protected static final String SHOW_PRIMARY_STATUS_DB_QUERY

See Also:: Constant Field Values

SHOW_REPLICA_STATUS_DB_QUERY

protected static final String SHOW_REPLICA_STATUS_DB_QUERY

See Also:: Constant Field Values

MASTER_FILE

protected static final String MASTER_FILE

See Also:: Constant Field Values

MASTER_POSITION

protected static final String MASTER_POSITION

See Also:: Constant Field Values

SLAVE_IO_RUNNING_COLUMN

protected static final String SLAVE_IO_RUNNING_COLUMN

See Also:: Constant Field Values

SLAVE_SQL_RUNNING_COLUMN

protected static final String SLAVE_SQL_RUNNING_COLUMN

See Also:: Constant Field Values

SECONDS_BEHIND_MASTER_COLUMN

protected static final String SECONDS_BEHIND_MASTER_COLUMN

See Also:: Constant Field Values

MASTER_HOST

protected static final String MASTER_HOST

See Also:: Constant Field Values

MASTER_PORT

protected static final String MASTER_PORT

See Also:: Constant Field Values

applicationContext

protected org.springframework.context.ApplicationContext applicationContext

studioConfiguration

protected StudioConfiguration studioConfiguration

hazelcastInstance

protected com.hazelcast.core.HazelcastInstance hazelcastInstance

delimiter
```
protected String delimiter
```

replicaReadyWaitInterval
```
protected int replicaReadyWaitInterval
```

appReady
```
protected volatile boolean appReady
```

clusterInfo

protected com.hazelcast.map.IMap<String,Object> clusterInfo

currentClusterMembers

protected com.hazelcast.map.IMap<String,DbPrimaryReplicaClusterMember> currentClusterMembers

localNode

protected DbPrimaryReplicaClusterMember localNode

localStartupConfig

protected PrimaryReplicaMemberStartupConfig localStartupConfig

connection
```
protected Connection connection
```

statusQueryStmt

protected PreparedStatement statusQueryStmt

periodicStatusReporterExecutor

protected ScheduledExecutorService periodicStatusReporterExecutor

studioPrimaryReplicaManagementService

protected StudioPrimaryReplicaManagementServiceImpl studioPrimaryReplicaManagementService

studioPrimaryReplicaUtils

protected StudioPrimaryReplicaUtils studioPrimaryReplicaUtils

Constructor Detail
- DbPrimaryReplicaClusterSynchronizationServiceImpl
```
public DbPrimaryReplicaClusterSynchronizationServiceImpl()
```

Method Detail

getClusterName
```
public String getClusterName()
```

getHazelcastClusterNamePrefix

public String getHazelcastClusterNamePrefix()

getClusterMemberCount
```
public int getClusterMemberCount()
```

getLocalNodeAddress
```
public String getLocalNodeAddress()
```

getLocalNodeName
```
public String getLocalNodeName()
```

getServerId
```
public long getServerId()
```

getLogBasename
```
public String getLogBasename()
```

getStatusReportingPeriodSecs

public long getStatusReportingPeriodSecs()

getStatusReportTtlSecs
```
public long getStatusReportTtlSecs()
```

getWaitForInitialReportsTimeoutSecs

public long getWaitForInitialReportsTimeoutSecs()

getWaitForClusterBootstrapTimeoutSecs

public long getWaitForClusterBootstrapTimeoutSecs()

getWaitForLocalNodeToBeSyncedTimeoutSecs

public long getWaitForLocalNodeToBeSyncedTimeoutSecs()

getPrimaryReplicaMasterInfoFilePath

public Path getPrimaryReplicaMasterInfoFilePath()

getPrimaryBinlogIndexFilePath

public Path getPrimaryBinlogIndexFilePath()

getDbBasePath
```
public String getDbBasePath()
```

getDbDataPath
```
public String getDbDataPath()
```

getDbPort
```
public String getDbPort()
```

getDbSocket
```
public String getDbSocket()
```

afterPropertiesSet
```
public void afterPropertiesSet()
```
Specified by:

afterPropertiesSet in interface org.springframework.beans.factory.InitializingBean

destroy
```
public void destroy()
```
Specified by:

destroy in interface org.springframework.beans.factory.DisposableBean

onApplicationEvent
```
public void onApplicationEvent(org.springframework.context.event.ContextRefreshedEvent event)
```
Specified by:

onApplicationEvent in interface org.springframework.context.ApplicationListener<org.springframework.context.event.ContextRefreshedEvent>

synchronizeStartup
```
public void synchronizeStartup(Consumer<PrimaryReplicaMemberStartupConfig> startupCallback)
                        throws DbClusterStartupException
```
Description copied from interface: DbPrimaryReplicaClusterSynchronizationService

Orchestrates the startup of a MariaDB replication, synchronizing with the other cluster nodes. After synchronization, the specified callback is called to start the MariaDB process with the correct configuration.

Specified by:

synchronizeStartup in interface DbPrimaryReplicaClusterSynchronizationService

Parameters:

startupCallback - the callback used to start the MariaDB process.

Throws:

DbClusterStartupException - if an error occurs during synchronization or startup

retrievePrimaryReplicaStatus

protected void retrievePrimaryReplicaStatus()
                                     throws IOException

Throws:: IOException

start

protected void start(Consumer<PrimaryReplicaMemberStartupConfig> startupCallback)
              throws DbClusterStartupException

Throws:: DbClusterStartupException

startPrimaryAsReplica

protected void startPrimaryAsReplica(Consumer<PrimaryReplicaMemberStartupConfig> startupCallback)
                              throws DbClusterStartupException

Throws:: DbClusterStartupException

waitForPrimaryToStart

protected Collection<DbPrimaryReplicaClusterMember> waitForPrimaryToStart()
                                                                   throws DbClusterStartupException

Throws:: DbClusterStartupException

waitForLocalReplicaToSync

protected void waitForLocalReplicaToSync()
                                  throws DbClusterStartupException

Throws:: DbClusterStartupException

waitForInitialReports

protected void waitForInitialReports()
                              throws DbClusterStartupException

Throws:: DbClusterStartupException

getActiveClusterMembers

protected Collection<DbPrimaryReplicaClusterMember> getActiveClusterMembers()

getPrimaryMembers

protected Collection<DbPrimaryReplicaClusterMember> getPrimaryMembers()

getPrimaryNode

protected DbPrimaryReplicaClusterMember getPrimaryNode()

areAllNodesNew
```
protected boolean areAllNodesNew()
```

checkIfLocalNodeHasOldestStartTimestamp

protected boolean checkIfLocalNodeHasOldestStartTimestamp()

initConnection

protected void initConnection()
                       throws SQLException

Throws:: SQLException

closeConnection
```
protected void closeConnection()
```

closeStatusQueryStatement

protected void closeStatusQueryStatement()

queryAndUpdatePrimaryReplicaStatus

protected void queryAndUpdatePrimaryReplicaStatus()
                                           throws SQLException

Throws:: SQLException

reportStatus
```
protected void reportStatus()
```

waitForCondition

protected boolean waitForCondition(long timeoutSecs,
                                   Supplier<String> conditionStrSupplier,
                                   BooleanSupplier predicate)
                            throws DbClusterStartupException

Throws:: DbClusterStartupException

turnOnCorrectRunningMode
```
@EventListener(StartClusterSetupEvent.class)
public void turnOnCorrectRunningMode()
                              throws DbClusterStartupException
```
Description copied from interface: DbPrimaryReplicaClusterSynchronizationService

Turn on primary or replica mode depending on local node role

Specified by:

turnOnCorrectRunningMode in interface DbPrimaryReplicaClusterSynchronizationService

Throws:

DbClusterStartupException

getApplicationContext

public org.springframework.context.ApplicationContext getApplicationContext()

setApplicationContext
```
public void setApplicationContext(org.springframework.context.ApplicationContext applicationContext)
```
Specified by:

setApplicationContext in interface org.springframework.context.ApplicationContextAware

getStudioConfiguration

public StudioConfiguration getStudioConfiguration()

setStudioConfiguration

public void setStudioConfiguration(StudioConfiguration studioConfiguration)

getHazelcastInstance

public com.hazelcast.core.HazelcastInstance getHazelcastInstance()

setHazelcastInstance

public void setHazelcastInstance(com.hazelcast.core.HazelcastInstance hazelcastInstance)

getDelimiter
```
public String getDelimiter()
```

setDelimiter

public void setDelimiter(String delimiter)

getReplicaReadyWaitInterval

public int getReplicaReadyWaitInterval()

setReplicaReadyWaitInterval

public void setReplicaReadyWaitInterval(int replicaReadyWaitInterval)

getStudioPrimaryReplicaManagementService

public StudioPrimaryReplicaManagementServiceImpl getStudioPrimaryReplicaManagementService()

setStudioPrimaryReplicaManagementService

public void setStudioPrimaryReplicaManagementService(StudioPrimaryReplicaManagementServiceImpl studioPrimaryReplicaManagementService)

getStudioPrimaryReplicaUtils

public StudioPrimaryReplicaUtils getStudioPrimaryReplicaUtils()

setStudioPrimaryReplicaUtils

public void setStudioPrimaryReplicaUtils(StudioPrimaryReplicaUtils studioPrimaryReplicaUtils)

Class DbPrimaryReplicaClusterSynchronizationServiceImpl

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

PRIMARY_BINLOG_INDEX_FILE_PATH_FORMAT

SHOW_PRIMARY_STATUS_DB_QUERY

SHOW_REPLICA_STATUS_DB_QUERY

MASTER_FILE

MASTER_POSITION

SLAVE_IO_RUNNING_COLUMN

SLAVE_SQL_RUNNING_COLUMN

SECONDS_BEHIND_MASTER_COLUMN

MASTER_HOST

MASTER_PORT

applicationContext

studioConfiguration

hazelcastInstance

delimiter

replicaReadyWaitInterval

appReady

clusterInfo

currentClusterMembers

localNode

localStartupConfig

connection

statusQueryStmt

periodicStatusReporterExecutor

studioPrimaryReplicaManagementService

studioPrimaryReplicaUtils

Constructor Detail

DbPrimaryReplicaClusterSynchronizationServiceImpl

Method Detail

getClusterName

getHazelcastClusterNamePrefix

getClusterMemberCount

getLocalNodeAddress

getLocalNodeName

getServerId

getLogBasename

getStatusReportingPeriodSecs

getStatusReportTtlSecs

getWaitForInitialReportsTimeoutSecs

getWaitForClusterBootstrapTimeoutSecs

getWaitForLocalNodeToBeSyncedTimeoutSecs

getPrimaryReplicaMasterInfoFilePath

getPrimaryBinlogIndexFilePath

getDbBasePath

getDbDataPath

getDbPort

getDbSocket

afterPropertiesSet

destroy

onApplicationEvent

synchronizeStartup

retrievePrimaryReplicaStatus

start

startPrimaryAsReplica

waitForPrimaryToStart

waitForLocalReplicaToSync

waitForInitialReports

getActiveClusterMembers

getPrimaryMembers

getPrimaryNode

areAllNodesNew

checkIfLocalNodeHasOldestStartTimestamp

initConnection

closeConnection

closeStatusQueryStatement

queryAndUpdatePrimaryReplicaStatus

reportStatus

waitForCondition

turnOnCorrectRunningMode

getApplicationContext

setApplicationContext

getStudioConfiguration

setStudioConfiguration

getHazelcastInstance