Package com.arcadedb.database

Interface Database

All Superinterfaces:

AutoCloseable

All Known Subinterfaces:

DatabaseInternal

All Known Implementing Classes:

EmbeddedDatabase

public interface Database
extends AutoCloseable

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	Database.TransactionScope

Method Summary

Modifier and Type	Method	Description
DatabaseAsyncExecutor	async()
void	begin()	Begins a new transaction.
boolean	checkTransactionIsActive(boolean createTx)
void	close()
ResultSet	command(String language, String query, Object... args)
ResultSet	command(String language, String query, Map<String,Object> args)
void	commit()	Commits the current transaction.
long	countBucket(String bucketName)
long	countType(String typeName, boolean polymorphic)
void	deleteRecord(Record record)
void	drop()
ResultSet	execute(String language, String script, Object... args)
ResultSet	execute(String language, String script, Map<Object,Object> args)
<RET> RET	executeInReadLock(Callable<RET> callable)
<RET> RET	executeInWriteLock(Callable<RET> callable)
ContextConfiguration	getConfiguration()
String	getDatabasePath()
PaginatedFile.MODE	getMode()
String	getName()
Schema	getSchema()
Transaction	getTransaction()
boolean	isAutoTransaction()
boolean	isOpen()
boolean	isReadYourWrites()
boolean	isTransactionActive()
Iterator<Record>	iterateBucket(String bucketName)
Iterator<Record>	iterateType(String typeName, boolean polymorphic)
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)
MutableVertex	newVertex(String typeName)
ResultSet	query(String language, String query, Object... args)
ResultSet	query(String language, String query, Map<String,Object> args)
void	rollback()	Rolls back the current transaction.
void	rollbackAllNested()	Rolls back all the nested transactions if any.
void	scanBucket(String bucketName, RecordCallback callback)
void	scanType(String typeName, boolean polymorphic, DocumentCallback callback)
void	setAutoTransaction(boolean autoTransaction)
void	setEdgeListSize(int size)
void	setReadYourWrites(boolean value)
void	transaction(Database.TransactionScope txBlock)	Executes a lambda in the transaction scope.
boolean	transaction(Database.TransactionScope txBlock, boolean joinCurrentTx)	Executes a lambda in the transaction scope.
boolean	transaction(Database.TransactionScope txBlock, boolean joinCurrentTx, int retries)	Executes a lambda in the transaction scope.
boolean	transaction(Database.TransactionScope txBlock, boolean joinCurrentTx, int retries, OkCallback ok, ErrorCallback error)	Executes a lambda in the transaction scope.

Method Detail

getConfiguration

ContextConfiguration getConfiguration()

getName

String getName()

getMode

PaginatedFile.MODE getMode()

close

void close()

Specified by:

close in interface AutoCloseable

isOpen

boolean isOpen()

drop

void drop()

async

DatabaseAsyncExecutor async()

getDatabasePath

String getDatabasePath()

getTransaction

Transaction getTransaction()

isTransactionActive

boolean isTransactionActive()

checkTransactionIsActive

boolean checkTransactionIsActive(boolean createTx)

transaction

void transaction(Database.TransactionScope txBlock)

Executes a lambda in the transaction scope. If there is an active transaction, then the current transaction is parked and a new sub-transaction is begun.

Parameters:

txBlock - Transaction lambda to execute

transaction

boolean transaction(Database.TransactionScope txBlock,
                    boolean joinCurrentTx)

Executes a lambda in the transaction scope. If there is an active transaction, then the current transaction is parked and a new sub-transaction is begun if joinCurrentTx is true, otherwise the current active transaction is joined.

Parameters:

txBlock - Transaction lambda to execute

joinCurrentTx - if active joins the current transaction, otherwise always create a new one

Returns:

true if a new transaction has been created or false if an existent transaction has been joined

transaction

boolean transaction(Database.TransactionScope txBlock,
                    boolean joinCurrentTx,
                    int retries)

Executes a lambda in the transaction scope. If there is an active transaction, then the current transaction is parked and a new sub-transaction is begun if joinCurrentTx is true, otherwise the current active transaction is joined. The difference with the method transaction(TransactionScope) is that in case the NeedRetryException exception is thrown, the transaction is re-executed for a number of retries.

Parameters:

txBlock - Transaction lambda to execute

joinCurrentTx - if active joins the current transaction, otherwise always create a new one

retries - number of retries in case the NeedRetryException exception is thrown

Returns:

true if a new transaction has been created or false if an existent transaction has been joined

transaction

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

Executes a lambda in the transaction scope. If there is an active transaction, then the current transaction is parked and a new sub-transaction is begun if joinCurrentTx is true, otherwise the current active transaction is joined. The difference with the method transaction(TransactionScope) is that in case the NeedRetryException exception is thrown, the transaction is re-executed for a number of retries.

Parameters:

txBlock - Transaction lambda to execute

joinCurrentTx - if active joins the current transaction, otherwise always create a new one

retries - number of retries in case the NeedRetryException exception is thrown

ok - callback invoked if the transaction completes the commit

error - callback invoked if the transaction cannot complete the commit, after the rollback

Returns:

true if a new transaction has been created or false if an existent transaction has been joined

isAutoTransaction

boolean isAutoTransaction()

setAutoTransaction

void setAutoTransaction(boolean autoTransaction)

begin

void begin()

Begins a new transaction. If a transaction is already begun, the current transaction is parked and a new sub-transaction is begun. The new sub-transaction does not access to the content of the previous transaction. Sub transactions are totally isolated.

commit

void commit()

Commits the current transaction. If it was a sub-transaction, then the previous in the stack becomes active again.

rollback

void rollback()

Rolls back the current transaction. If it was a sub-transaction, then the previous in the stack becomes active again.

rollbackAllNested

void rollbackAllNested()

Rolls back all the nested transactions if any.

scanType

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

scanBucket

void scanBucket(String bucketName,
                RecordCallback callback)

lookupByRID

Record lookupByRID(RID rid,
                   boolean loadContent)

lookupByKey

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

lookupByKey

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

iterateType

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

iterateBucket

Iterator<Record> iterateBucket(String bucketName)

deleteRecord

void deleteRecord(Record record)

countType

long countType(String typeName,
               boolean polymorphic)

countBucket

long countBucket(String bucketName)

newDocument

MutableDocument newDocument(String typeName)

newVertex

MutableVertex newVertex(String typeName)

newEdgeByKeys

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

newEdgeByKeys

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

getSchema

Schema getSchema()

command

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

command

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

query

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

query

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

execute

ResultSet execute(String language,
                  String script,
                  Object... args)

execute

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

executeInReadLock

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

executeInWriteLock

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

isReadYourWrites

boolean isReadYourWrites()

setReadYourWrites

void setReadYourWrites(boolean value)

setEdgeListSize

void setEdgeListSize(int size)