- All Superinterfaces:
AutoCloseable
,ExceptionListenable
- All Known Subinterfaces:
FbDatabase
,FbService
,FbWireAttachment
,FbWireDatabase
,FbWireService
- All Known Implementing Classes:
AbstractFbAttachment
,AbstractFbDatabase
,AbstractFbService
,AbstractFbWireDatabase
,AbstractFbWireService
,V10Database
,V10Service
,V11Database
,V12Database
,V13Database
,V15Database
,V16Database
,V18Database
,V19Database
Connection to a Firebird server (to a database or service).
All methods defined in this interface and the direct descendants FbDatabase
and FbService
are
required to notify all SQLException
thrown from the methods defined in this interface, and those exceptions
notified by all ExceptionListenable
implementations created from them.
- Since:
- 3.0
- Author:
- Mark Rotteveel
-
Method Summary
Modifier and TypeMethodDescriptionvoid
attach()
Attach to the attachment type.void
close()
Detaches and closes the connection.void
Forces the connection to close without proper detach or cleanup.int
int
Gets the current network timeout for this attachment.boolean
Current attachment status.boolean
Queries if the lock is held by the current thread.void
setNetworkTimeout
(int milliseconds) Sets the network timeout for this attachment.withLock()
Locks the lock withLock.lock()
(or equivalent).Methods inherited from interface org.firebirdsql.gds.ng.listeners.ExceptionListenable
addExceptionListener, removeExceptionListener
-
Method Details
-
attach
Attach to the attachment type.- Throws:
SQLException
-
close
Detaches and closes the connection.- Specified by:
close
in interfaceAutoCloseable
- Throws:
SQLException
- If not currently connected, or another problem occurred detaching.
-
forceClose
Forces the connection to close without proper detach or cleanup.If a given implementation does not support this, then this method should call
close()
.- Throws:
SQLException
- For problems closing the connection.
-
getHandle
int getHandle()- Returns:
- The attachment handle value
-
getServerVersion
GDSServerVersion getServerVersion()- Returns:
- Firebird version string
-
isAttached
boolean isAttached()Current attachment status.- Returns:
true
if connected to the server and attached to a database or service,false
otherwise.
-
getEncodingFactory
IEncodingFactory getEncodingFactory()- Returns:
- The
IEncodingFactory
for this connection
-
getEncoding
Encoding getEncoding()- Returns:
- The connection encoding (should be the same as returned from calling
IEncodingFactory.getDefaultEncoding()
on the result ofgetEncodingFactory()
).
-
getDatatypeCoder
DatatypeCoder getDatatypeCoder()- Returns:
- The
DatatypeCoder
for this database implementation.
-
setNetworkTimeout
Sets the network timeout for this attachment.- Parameters:
milliseconds
- Timeout in milliseconds; 0 means no timeout. If the attachment doesn't support milliseconds, it should round up to the nearest second.- Throws:
SQLException
- If this attachment is closed, the value ofmilliseconds
is smaller than 0, or if setting the timeout fails.SQLFeatureNotSupportedException
- If this attachment doesn't support (changing) the network timeout.
-
getNetworkTimeout
Gets the current network timeout for this attachment.- Returns:
- Timeout in milliseconds, 0 means no timeout
- Throws:
SQLException
- If this attachment is closedSQLFeatureNotSupportedException
- If this attachment doesn't support network timeout
-
withLock
LockCloseable withLock()Locks the lock withLock.lock()
(or equivalent).The returned
LockClosable
can be used to unlock, preferably for use in a try-with-resources.- Returns:
- lock closeable which unlocks the lock on close
-
isLockedByCurrentThread
boolean isLockedByCurrentThread()Queries if the lock is held by the current thread.- Returns:
true
if current thread holds this lock andfalse
otherwise- See Also:
-