Package com.arcadedb.server.ha

Class ReplicatedDatabase

java.lang.Object

com.arcadedb.server.ha.ReplicatedDatabase

All Implemented Interfaces:

BasicDatabase, Database, DatabaseInternal, AutoCloseable

public class ReplicatedDatabase
extends Object
implements DatabaseInternal

Nested Class Summary

Nested classes/interfaces inherited from interface com.arcadedb.database.BasicDatabase

BasicDatabase.TransactionScope

Nested classes/interfaces inherited from interface com.arcadedb.database.Database

Database.TRANSACTION_ISOLATION_LEVEL

Nested classes/interfaces inherited from interface com.arcadedb.database.DatabaseInternal

DatabaseInternal.CALLBACK_EVENT

Constructor Summary

Constructors

Constructor	Description
ReplicatedDatabase(ArcadeDBServer server, LocalDatabase proxied)

Method Summary

Modifier and Type	Method	Description
Map<String,Object>	alignToReplicas()	Aligns the database against all the replicas.
DatabaseAsyncExecutor	async()
void	begin()
void	begin(Database.TRANSACTION_ISOLATION_LEVEL isolationLevel)
void	checkPermissionsOnDatabase(SecurityDatabaseUser.DATABASE_ACCESS access)
void	checkPermissionsOnFile(int fileId, SecurityDatabaseUser.ACCESS access)
boolean	checkTransactionIsActive(boolean createTx)
void	close()
ResultSet	command(String language, String query, ContextConfiguration configuration, Object... args)
ResultSet	command(String language, String query, ContextConfiguration configuration, Map<String,Object> args)
ResultSet	command(String language, String query, Object... args)
ResultSet	command(String language, String query, Map<String,Object> args)
void	commit()
long	countBucket(String bucketName)
long	countType(String typeName, boolean polymorphic)
void	createInReplicas()	Creates the new database to all the replicas by executing a full sync backup of the database.
void	createRecord(MutableDocument record)
void	createRecord(Record record, String bucketName)
void	createRecordNoLock(Record record, String bucketName, boolean discardRecordAfter)
void	deleteRecord(Record record)
void	deleteRecordNoLock(Record record)
void	drop()
boolean	equals(Object o)
ResultSet	execute(String language, String script, Object... args)	Deprecated.
ResultSet	execute(String language, String script, Map<String,Object> args)	Deprecated.
void	executeCallbacks(DatabaseInternal.CALLBACK_EVENT event)
<RET> RET	executeInReadLock(Callable<RET> callable)
<RET> RET	executeInWriteLock(Callable<RET> callable)
<RET> RET	executeLockingFiles(Collection<Integer> fileIds, Callable<RET> callable)
boolean	existsRecord(RID rid)
ContextConfiguration	getConfiguration()
DatabaseContext.DatabaseContextTL	getContext()
String	getCurrentUserName()
String	getDatabasePath()
int	getEdgeListSize()
LocalDatabase	getEmbedded()
RecordEvents	getEvents()
ExecutionPlanCache	getExecutionPlanCache()
FileManager	getFileManager()
GraphEngine	getGraphEngine()
DocumentIndexer	getIndexer()
ComponentFile.MODE	getMode()
String	getName()
int	getNestedTransactions()
int	getNewEdgeListSize(int previousSize)
PageManager	getPageManager()
QueryEngine	getQueryEngine(String language)
HAServer.QUORUM	getQuorum()
long	getReadTimeout()
RecordFactory	getRecordFactory()
long	getResultSetLimit()
Schema	getSchema()
BinarySerializer	getSerializer()
StatementCache	getStatementCache()
Map<String,Object>	getStats()
TransactionContext	getTransactionIfExists()
Database.TRANSACTION_ISOLATION_LEVEL	getTransactionIsolationLevel()
TransactionManager	getTransactionManager()
WALFileFactory	getWALFileFactory()
DatabaseInternal	getWrappedDatabaseInstance()
Map<String,Object>	getWrappers()
int	hashCode()
Record	invokeAfterReadEvents(Record record)
boolean	isAsyncFlush()
boolean	isAsyncProcessing()
boolean	isAutoTransaction()
boolean	isOpen()
boolean	isReadYourWrites()
boolean	isTransactionActive()
Iterator<Record>	iterateBucket(String bucketName)
Iterator<Record>	iterateType(String typeName, boolean polymorphic)
void	kill()
IndexCursor	lookupByKey(String type, String[] keyNames, Object[] keyValues)
IndexCursor	lookupByKey(String type, String keyName, Object keyValue)
Record	lookupByRID(RID rid, boolean loadContent)
MutableDocument	newDocument(String typeName)
Edge	newEdgeByKeys(Vertex sourceVertex, String destinationVertexType, String[] destinationVertexKeyNames, Object[] destinationVertexKeyValues, boolean createVertexIfNotExist, String edgeType, boolean bidirectional, Object... properties)
Edge	newEdgeByKeys(String sourceVertexType, String[] sourceVertexKeyNames, Object[] sourceVertexKeyValues, String destinationVertexType, String[] destinationVertexKeyNames, Object[] destinationVertexKeyValues, boolean createVertexIfNotExist, String edgeType, boolean bidirectional, Object... properties)
MutableEmbeddedDocument	newEmbeddedDocument(EmbeddedModifier modifier, String typeName)
MutableVertex	newVertex(String typeName)
ResultSet	query(String language, String query, Object... args)
ResultSet	query(String language, String query, Map<String,Object> args)
<RET> RET	recordFileChanges(Callable<Object> callback)
void	registerCallback(DatabaseInternal.CALLBACK_EVENT event, Callable<Void> callback)
void	replicateTx(TransactionContext tx, TransactionContext.TransactionPhase1 phase1, Binary bufferChanges)
void	rollback()
void	rollbackAllNested()
void	saveConfiguration()
void	scanBucket(String bucketName, RecordCallback callback)
void	scanBucket(String bucketName, RecordCallback callback, ErrorRecordCallback errorRecordCallback)
void	scanType(String typeName, boolean polymorphic, DocumentCallback callback)
void	scanType(String typeName, boolean polymorphic, DocumentCallback callback, ErrorRecordCallback errorRecordCallback)
Select	select()
Database	setAsyncFlush(boolean value)
void	setAutoTransaction(boolean autoTransaction)
Database	setEdgeListSize(int size)
Database	setReadYourWrites(boolean value)
Database	setTransactionIsolationLevel(Database.TRANSACTION_ISOLATION_LEVEL level)
Database	setUseWAL(boolean useWAL)
Database	setWALFlush(WALFile.FLUSH_TYPE flush)
void	setWrapper(String name, Object instance)
String	toString()
void	transaction(BasicDatabase.TransactionScope txBlock)
boolean	transaction(BasicDatabase.TransactionScope txBlock, boolean joinActiveTx)
boolean	transaction(BasicDatabase.TransactionScope txBlock, boolean joinCurrentTx, int retries)
boolean	transaction(BasicDatabase.TransactionScope txBlock, boolean joinCurrentTx, int retries, OkCallback ok, ErrorCallback error)
void	unregisterCallback(DatabaseInternal.CALLBACK_EVENT event, Callable<Void> callback)
void	updateRecord(Record record)
void	updateRecordNoLock(Record record, boolean discardRecordAfter)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.arcadedb.database.DatabaseInternal

getTransaction

Constructor Detail

ReplicatedDatabase

public ReplicatedDatabase(ArcadeDBServer server,
                          LocalDatabase proxied)

Method Detail

commit

public void commit()

Specified by:

commit in interface BasicDatabase

replicateTx

public void replicateTx(TransactionContext tx,
                        TransactionContext.TransactionPhase1 phase1,
                        Binary bufferChanges)

getWrappedDatabaseInstance

public DatabaseInternal getWrappedDatabaseInstance()

Specified by:

getWrappedDatabaseInstance in interface DatabaseInternal

getWrappers

public Map<String,Object> getWrappers()

Specified by:

getWrappers in interface DatabaseInternal

setWrapper

public void setWrapper(String name,
                       Object instance)

Specified by:

setWrapper in interface DatabaseInternal

checkPermissionsOnDatabase

public void checkPermissionsOnDatabase(SecurityDatabaseUser.DATABASE_ACCESS access)

Specified by:

checkPermissionsOnDatabase in interface DatabaseInternal

checkPermissionsOnFile

public void checkPermissionsOnFile(int fileId,
                                   SecurityDatabaseUser.ACCESS access)

Specified by:

checkPermissionsOnFile in interface DatabaseInternal

getResultSetLimit

public long getResultSetLimit()

Specified by:

getResultSetLimit in interface DatabaseInternal

getReadTimeout

public long getReadTimeout()

Specified by:

getReadTimeout in interface DatabaseInternal

getStats

public Map<String,Object> getStats()

Specified by:

getStats in interface BasicDatabase

getEmbedded

public LocalDatabase getEmbedded()

Specified by:

getEmbedded in interface DatabaseInternal

getContext

public DatabaseContext.DatabaseContextTL getContext()

Specified by:

getContext in interface DatabaseInternal

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface BasicDatabase

drop

public void drop()

Specified by:

drop in interface BasicDatabase

registerCallback

public void registerCallback(DatabaseInternal.CALLBACK_EVENT event,
                             Callable<Void> callback)

Specified by:

registerCallback in interface DatabaseInternal

unregisterCallback

public void unregisterCallback(DatabaseInternal.CALLBACK_EVENT event,
                               Callable<Void> callback)

Specified by:

unregisterCallback in interface DatabaseInternal

executeCallbacks

public void executeCallbacks(DatabaseInternal.CALLBACK_EVENT event)
                      throws IOException

Specified by:

executeCallbacks in interface DatabaseInternal

Throws:

IOException

getGraphEngine

public GraphEngine getGraphEngine()

Specified by:

getGraphEngine in interface DatabaseInternal

getTransactionManager

public TransactionManager getTransactionManager()

Specified by:

getTransactionManager in interface DatabaseInternal

createRecord

public void createRecord(MutableDocument record)

Specified by:

createRecord in interface DatabaseInternal

createRecord

public void createRecord(Record record,
                         String bucketName)

Specified by:

createRecord in interface DatabaseInternal

createRecordNoLock

public void createRecordNoLock(Record record,
                               String bucketName,
                               boolean discardRecordAfter)

Specified by:

createRecordNoLock in interface DatabaseInternal

updateRecord

public void updateRecord(Record record)

Specified by:

updateRecord in interface DatabaseInternal

updateRecordNoLock

public void updateRecordNoLock(Record record,
                               boolean discardRecordAfter)

Specified by:

updateRecordNoLock in interface DatabaseInternal

deleteRecordNoLock

public void deleteRecordNoLock(Record record)

Specified by:

deleteRecordNoLock in interface DatabaseInternal

getIndexer

public DocumentIndexer getIndexer()

Specified by:

getIndexer in interface DatabaseInternal

kill

public void kill()

Specified by:

kill in interface DatabaseInternal

getWALFileFactory

public WALFileFactory getWALFileFactory()

Specified by:

getWALFileFactory in interface DatabaseInternal

getStatementCache

public StatementCache getStatementCache()

Specified by:

getStatementCache in interface DatabaseInternal

getExecutionPlanCache

public ExecutionPlanCache getExecutionPlanCache()

Specified by:

getExecutionPlanCache in interface DatabaseInternal

getNewEdgeListSize

public int getNewEdgeListSize(int previousSize)

Specified by:

getNewEdgeListSize in interface DatabaseInternal

getName

public String getName()

Specified by:

getName in interface BasicDatabase

getMode

public ComponentFile.MODE getMode()

Specified by:

getMode in interface Database

async

public DatabaseAsyncExecutor async()

Specified by:

async in interface Database

getDatabasePath

public String getDatabasePath()

Specified by:

getDatabasePath in interface BasicDatabase

getCurrentUserName

public String getCurrentUserName()

Specified by:

getCurrentUserName in interface Database

select

public Select select()

Specified by:

select in interface Database

getConfiguration

public ContextConfiguration getConfiguration()

Specified by:

getConfiguration in interface Database

invokeAfterReadEvents

public Record invokeAfterReadEvents(Record record)

Specified by:

invokeAfterReadEvents in interface DatabaseInternal

getTransactionIfExists

public TransactionContext getTransactionIfExists()

Specified by:

getTransactionIfExists in interface DatabaseInternal

isTransactionActive

public boolean isTransactionActive()

Specified by:

isTransactionActive in interface BasicDatabase

getNestedTransactions

public int getNestedTransactions()

Specified by:

getNestedTransactions in interface BasicDatabase

checkTransactionIsActive

public boolean checkTransactionIsActive(boolean createTx)

Specified by:

checkTransactionIsActive in interface DatabaseInternal

isAsyncProcessing

public boolean isAsyncProcessing()

Specified by:

isAsyncProcessing in interface DatabaseInternal

transaction

public void transaction(BasicDatabase.TransactionScope txBlock)

Specified by:

transaction in interface BasicDatabase

isAutoTransaction

public boolean isAutoTransaction()

Specified by:

isAutoTransaction in interface Database

setAutoTransaction

public void setAutoTransaction(boolean autoTransaction)

Specified by:

setAutoTransaction in interface Database

begin

public void begin()

Specified by:

begin in interface BasicDatabase

begin

public void begin(Database.TRANSACTION_ISOLATION_LEVEL isolationLevel)

Specified by:

begin in interface BasicDatabase

rollback

public void rollback()

Specified by:

rollback in interface BasicDatabase

rollbackAllNested

public void rollbackAllNested()

Specified by:

rollbackAllNested in interface Database

scanType

public void scanType(String typeName,
                     boolean polymorphic,
                     DocumentCallback callback)

Specified by:

scanType in interface Database

scanType

public void scanType(String typeName,
                     boolean polymorphic,
                     DocumentCallback callback,
                     ErrorRecordCallback errorRecordCallback)

Specified by:

scanType in interface Database

scanBucket

public void scanBucket(String bucketName,
                       RecordCallback callback)

Specified by:

scanBucket in interface Database

scanBucket

public void scanBucket(String bucketName,
                       RecordCallback callback,
                       ErrorRecordCallback errorRecordCallback)

Specified by:

scanBucket in interface Database

existsRecord

public boolean existsRecord(RID rid)

Specified by:

existsRecord in interface BasicDatabase

lookupByRID

public Record lookupByRID(RID rid,
                          boolean loadContent)

Specified by:

lookupByRID in interface BasicDatabase

iterateType

public Iterator<Record> iterateType(String typeName,
                                    boolean polymorphic)

Specified by:

iterateType in interface BasicDatabase

iterateBucket

public Iterator<Record> iterateBucket(String bucketName)

Specified by:

iterateBucket in interface BasicDatabase

lookupByKey

public IndexCursor lookupByKey(String type,
                               String keyName,
                               Object keyValue)

Specified by:

lookupByKey in interface Database

lookupByKey

public IndexCursor lookupByKey(String type,
                               String[] keyNames,
                               Object[] keyValues)

Specified by:

lookupByKey in interface Database

deleteRecord

public void deleteRecord(Record record)

Specified by:

deleteRecord in interface BasicDatabase

countType

public long countType(String typeName,
                      boolean polymorphic)

Specified by:

countType in interface BasicDatabase

countBucket

public long countBucket(String bucketName)

Specified by:

countBucket in interface BasicDatabase

newDocument

public MutableDocument newDocument(String typeName)

Specified by:

newDocument in interface BasicDatabase

newEmbeddedDocument

public MutableEmbeddedDocument newEmbeddedDocument(EmbeddedModifier modifier,
                                                   String typeName)

Specified by:

newEmbeddedDocument in interface DatabaseInternal

newVertex

public MutableVertex newVertex(String typeName)

Specified by:

newVertex in interface BasicDatabase

newEdgeByKeys

public Edge newEdgeByKeys(Vertex sourceVertex,
                          String destinationVertexType,
                          String[] destinationVertexKeyNames,
                          Object[] destinationVertexKeyValues,
                          boolean createVertexIfNotExist,
                          String edgeType,
                          boolean bidirectional,
                          Object... properties)

Specified by:

newEdgeByKeys in interface Database

getQueryEngine

public QueryEngine getQueryEngine(String language)

Specified by:

getQueryEngine in interface Database

newEdgeByKeys

public Edge newEdgeByKeys(String sourceVertexType,
                          String[] sourceVertexKeyNames,
                          Object[] sourceVertexKeyValues,
                          String destinationVertexType,
                          String[] destinationVertexKeyNames,
                          Object[] destinationVertexKeyValues,
                          boolean createVertexIfNotExist,
                          String edgeType,
                          boolean bidirectional,
                          Object... properties)

Specified by:

newEdgeByKeys in interface Database

getSchema

public Schema getSchema()

Specified by:

getSchema in interface BasicDatabase

Specified by:

getSchema in interface Database

getEvents

public RecordEvents getEvents()

Specified by:

getEvents in interface Database

getFileManager

public FileManager getFileManager()

Specified by:

getFileManager in interface DatabaseInternal

transaction

public boolean transaction(BasicDatabase.TransactionScope txBlock,
                           boolean joinActiveTx)

Specified by:

transaction in interface BasicDatabase

transaction

public boolean transaction(BasicDatabase.TransactionScope txBlock,
                           boolean joinCurrentTx,
                           int retries)

Specified by:

transaction in interface BasicDatabase

transaction

public boolean transaction(BasicDatabase.TransactionScope txBlock,
                           boolean joinCurrentTx,
                           int retries,
                           OkCallback ok,
                           ErrorCallback error)

Specified by:

transaction in interface BasicDatabase

getRecordFactory

public RecordFactory getRecordFactory()

Specified by:

getRecordFactory in interface DatabaseInternal

getSerializer

public BinarySerializer getSerializer()

Specified by:

getSerializer in interface DatabaseInternal

getPageManager

public PageManager getPageManager()

Specified by:

getPageManager in interface DatabaseInternal

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

command

public ResultSet command(String language,
                         String query,
                         ContextConfiguration configuration,
                         Object... args)

Specified by:

command in interface BasicDatabase

command

public ResultSet command(String language,
                         String query,
                         Object... args)

Specified by:

command in interface BasicDatabase

command

public ResultSet command(String language,
                         String query,
                         Map<String,Object> args)

Specified by:

command in interface BasicDatabase

command

public ResultSet command(String language,
                         String query,
                         ContextConfiguration configuration,
                         Map<String,Object> args)

Specified by:

command in interface BasicDatabase

Specified by:

command in interface Database

query

public ResultSet query(String language,
                       String query,
                       Object... args)

Specified by:

query in interface BasicDatabase

query

public ResultSet query(String language,
                       String query,
                       Map<String,Object> args)

Specified by:

query in interface BasicDatabase

execute

@Deprecated
public ResultSet execute(String language,
                         String script,
                         Object... args)

Deprecated.

Specified by:

execute in interface BasicDatabase

execute

@Deprecated
public ResultSet execute(String language,
                         String script,
                         Map<String,Object> args)

Deprecated.

Specified by:

execute in interface Database

executeInReadLock

public <RET> RET executeInReadLock(Callable<RET> callable)

Specified by:

executeInReadLock in interface Database

executeInWriteLock

public <RET> RET executeInWriteLock(Callable<RET> callable)

Specified by:

executeInWriteLock in interface Database

executeLockingFiles

public <RET> RET executeLockingFiles(Collection<Integer> fileIds,
                                     Callable<RET> callable)

Specified by:

executeLockingFiles in interface DatabaseInternal

isReadYourWrites

public boolean isReadYourWrites()

Specified by:

isReadYourWrites in interface Database

setReadYourWrites

public Database setReadYourWrites(boolean value)

Specified by:

setReadYourWrites in interface Database

setTransactionIsolationLevel

public Database setTransactionIsolationLevel(Database.TRANSACTION_ISOLATION_LEVEL level)

Specified by:

setTransactionIsolationLevel in interface Database

getTransactionIsolationLevel

public Database.TRANSACTION_ISOLATION_LEVEL getTransactionIsolationLevel()

Specified by:

getTransactionIsolationLevel in interface Database

getEdgeListSize

public int getEdgeListSize()

Specified by:

getEdgeListSize in interface Database

setEdgeListSize

public Database setEdgeListSize(int size)

Specified by:

setEdgeListSize in interface Database

setUseWAL

public Database setUseWAL(boolean useWAL)

Specified by:

setUseWAL in interface Database

setWALFlush

public Database setWALFlush(WALFile.FLUSH_TYPE flush)

Specified by:

setWALFlush in interface Database

isAsyncFlush

public boolean isAsyncFlush()

Specified by:

isAsyncFlush in interface Database

setAsyncFlush

public Database setAsyncFlush(boolean value)

Specified by:

setAsyncFlush in interface Database

isOpen

public boolean isOpen()

Specified by:

isOpen in interface BasicDatabase

toString

public String toString()

Overrides:

toString in class Object

recordFileChanges

public <RET> RET recordFileChanges(Callable<Object> callback)

Specified by:

recordFileChanges in interface DatabaseInternal

saveConfiguration

public void saveConfiguration()
                       throws IOException

Specified by:

saveConfiguration in interface DatabaseInternal

Throws:

IOException

getQuorum

public HAServer.QUORUM getQuorum()

alignToReplicas

public Map<String,Object> alignToReplicas()

Aligns the database against all the replicas. This fixes any replication problem occurred by overwriting the database content of replicas. This process first calculates the checksum of every files in the database. Then sends the checksums to the replicas, waiting for a response from each of them about which files differ. In case one or more files differ, a page by page CRC is calculated and sent to the replica. The replica responds with the page id of the page that differs, so the leader will send only the pages that differ to the replica to be overwritten.

Specified by:

alignToReplicas in interface DatabaseInternal

createInReplicas

public void createInReplicas()

Creates the new database to all the replicas by executing a full sync backup of the database.