Inheritance diagram for com.mysql.clusterj.core.SessionImpl:

Collaboration diagram for com.mysql.clusterj.core.SessionImpl:

Classes
interface	TransactionState

Public Member Functions
Boolean	found (Object instance)
Operation	insert (DomainTypeHandler<?> domainTypeHandler, ValueHandler valueHandler)
Iterable	makePersistentAll (Iterable instances)
void	deletePersistent (Object object)
Operation	delete (DomainTypeHandler domainTypeHandler, ValueHandler valueHandler)
void	deletePersistentAll (Iterable objects)
int	deletePersistentAll (DomainTypeHandler<?> domainTypeHandler)
int	deletePersistentAll (ScanOperation op, boolean abort)
ResultData	selectUnique (DomainTypeHandler domainTypeHandler, ValueHandler keyHandler, BitSet fields)
void	updatePersistent (Object object)
Operation	update (DomainTypeHandler domainTypeHandler, ValueHandler valueHandler)
void	updatePersistentAll (Iterable objects)
Iterable	savePersistentAll (Iterable instances)
Transaction	currentTransaction ()
void	close ()
boolean	isClosed ()
void	begin ()
void	commit ()
void	rollback ()
void	startAutoTransaction ()
void	endAutoTransaction ()
void	failAutoTransaction ()
void	setRollbackOnly ()
boolean	getRollbackOnly ()
synchronized< T > DomainTypeHandler< T >	getDomainTypeHandler (Class< T > cls)
Dictionary	getDictionary ()
boolean	isEnlisted ()
Query	createQuery (Class cls)
QueryBuilder	getQueryBuilder ()
IndexScanOperation	getIndexScanOperation (Index storeIndex, Table storeTable)
IndexScanOperation	getIndexScanOperationMultiRange (Index storeIndex, Table storeTable)
IndexScanOperation	getIndexScanDeleteOperation (Index storeIndex, Table storeTable)
ScanOperation	getTableScanOperation (Table storeTable)
ScanOperation	getTableScanDeleteOperation (Table storeTable)
IndexOperation	getUniqueIndexOperation (Index storeIndex, Table storeTable)
Operation	getSelectOperation (Table storeTable)
Operation	getDeleteOperation (Table storeTable)
IndexOperation	getUniqueIndexDeleteOperation (Index storeIndex, Table storeTable)
void	flush ()
List	getChangeList ()
void	persist (Object instance)
void	remove (Object instance)
void	markModified (StateManager instance)
void	setPartitionKey (Class<?> domainClass, Object key)
void	markModified (Object instance, String fieldName)
void	executeNoCommit (boolean abort, boolean force)
void	executeNoCommit ()
String	getCoordinatedTransactionId ()
void	setCoordinatedTransactionId (String coordinatedTransactionId)
void	setLockMode (LockMode lockmode)
Public Member Functions inherited from com.mysql.clusterj.core.spi.SessionSPI
< T > T	initializeFromDatabase (DomainTypeHandler< T > domainTypeHandler, T object, ValueHandler valueHandler, ValueHandler createKeyValueHandler)
ResultData	selectUnique (DomainTypeHandler<?> domainTypeHandler, ValueHandler keyHandler, BitSet fields)
Operation	update (DomainTypeHandler<?> domainTypeHandler, ValueHandler valueHandler)
Operation	delete (DomainTypeHandler<?> domainTypeHandler, ValueHandler valueHandler)
< T > QueryDomainType< T >	createQueryDomainType (DomainTypeHandler< T > handler)
Public Member Functions inherited from com.mysql.clusterj.Session
< T > T	load (T instance)
Iterable<?>	makePersistentAll (Iterable<?> instances)
void	deletePersistentAll (Iterable<?> instances)
void	updatePersistentAll (Iterable<?> instances)
Iterable<?>	savePersistentAll (Iterable<?> instances)

Protected Member Functions
void	assertNotClosed ()
void	internalBegin ()
void	internalCommit ()
void	internalRollback ()
void	handleTransactionException ()
synchronized< T > DomainTypeHandler< T >	getDomainTypeHandler (T object)

Protected Attributes
SessionFactoryImpl	factory
Db	db
Dictionary	dictionary
TransactionImpl	transactionImpl
PartitionKey	partitionKey = null
boolean	rollbackOnly = false
ClusterTransaction	clusterTransaction
String	joinTransactionId = null
Map	properties
final int	RESULT_READY = 0
final int	SCAN_FINISHED = 1
final int	CACHE_EMPTY = 2
List< StateManager >	changeList = new ArrayList<StateManager>()
List< Runnable >	postExecuteOperations = new ArrayList<Runnable>()
TransactionState	transactionState
int	nestedAutoTransactionCounter = 0
int	numberOfRetries = 5
TransactionState	transactionStateNotActive
TransactionState	transactionStateActive
TransactionState	transactionStateAutocommit

Detailed Description

This class implements Session, the main user interface to ClusterJ. It also implements SessionSPI, the main component interface.

Definition at line 68 of file SessionImpl.java.

Member Function Documentation

void com.mysql.clusterj.core.SessionImpl.assertNotClosed ( )

inlineprotected

Assert this session is not yet closed.

Definition at line 714 of file SessionImpl.java.

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void com.mysql.clusterj.core.SessionImpl.begin ( )

inline

Begin the current transaction.

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 724 of file SessionImpl.java.

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void com.mysql.clusterj.core.SessionImpl.close ( void )

inline

Close this session and deallocate all resources.

Implements com.mysql.clusterj.Session.

Definition at line 698 of file SessionImpl.java.

void com.mysql.clusterj.core.SessionImpl.commit ( )

inline

Commit the current transaction.

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 752 of file SessionImpl.java.

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Query com.mysql.clusterj.core.SessionImpl.createQuery ( Class cls )

inline

Create a query from a class.

Parameters

cls the class

Returns: the query

Definition at line 1113 of file SessionImpl.java.

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Transaction com.mysql.clusterj.core.SessionImpl.currentTransaction ( )

inline

Get the current transaction.

Returns: the transaction

Implements com.mysql.clusterj.Session.

Definition at line 691 of file SessionImpl.java.

void com.mysql.clusterj.core.SessionImpl.deletePersistent ( Object object )

inline

Remove an instance from the database. Only the key field(s) are used to identify the instance.

Parameters

object the instance to remove from the database

Implements com.mysql.clusterj.Session.

Definition at line 463 of file SessionImpl.java.

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void com.mysql.clusterj.core.SessionImpl.deletePersistentAll ( Iterable objects )

inline

Delete the instances corresponding to the parameters.

Parameters

objects the objects to delete

Definition at line 492 of file SessionImpl.java.

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int com.mysql.clusterj.core.SessionImpl.deletePersistentAll ( DomainTypeHandler<?> domainTypeHandler )

inline

Delete all instances of the parameter domainTypeHandler.

Parameters

domainTypeHandler the domainTypeHandler of instances to delete

Returns: the number of instances deleted

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 512 of file SessionImpl.java.

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int com.mysql.clusterj.core.SessionImpl.deletePersistentAll	(	ScanOperation	op,
		boolean	abort
	)

inline

Delete all instances retrieved by the operation. The operation must have exclusive access to the instances and have the ScanFlag.KEY_INFO flag set.

Parameters

op	the scan operation

Returns: the number of instances deleted

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 536 of file SessionImpl.java.

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void com.mysql.clusterj.core.SessionImpl.endAutoTransaction ( )

inline

End an auto transaction if it was started. Throw a ClusterJException if there is any problem.

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 823 of file SessionImpl.java.

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void com.mysql.clusterj.core.SessionImpl.executeNoCommit	(	boolean	abort,
		boolean	force
	)

inline

Execute any pending operations (insert, delete, update, load) and then perform post-execute operations (for load) via clusterTransaction.postExecuteCallback().

Parameters

abort	abort this transaction on error
force	force the operation to be sent immediately

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 1343 of file SessionImpl.java.

void com.mysql.clusterj.core.SessionImpl.executeNoCommit ( )

inline

Execute any pending operations (insert, delete, update, load) and then perform post-execute operations (for load) via clusterTransaction.postExecuteCallback(). Abort the transaction on error. Force the operation to be sent immediately.

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 1354 of file SessionImpl.java.

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void com.mysql.clusterj.core.SessionImpl.failAutoTransaction ( )

inline

Fail an auto transaction if it was started. Throw a ClusterJException if there is any problem.

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 832 of file SessionImpl.java.

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void com.mysql.clusterj.core.SessionImpl.flush ( )

inline

Flush deferred changes to the back end. Inserts, deletes, loads, and updates are sent to the back end.

Implements com.mysql.clusterj.Session.

Definition at line 1275 of file SessionImpl.java.

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Boolean com.mysql.clusterj.core.SessionImpl.found ( Object instance )

inline

Was this instance found in the database?

Parameters

instance the instance

Returns

null if the instance is null or was created via newInstance and never loaded;
true if the instance was returned from a find or query or created via newInstance and successfully loaded;
false if the instance was created via newInstance and not found.

Implements com.mysql.clusterj.Session.

Definition at line 353 of file SessionImpl.java.

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String com.mysql.clusterj.core.SessionImpl.getCoordinatedTransactionId ( )

inline

Return the coordinatedTransactionId of the current transaction. The transaction might not have been enlisted.

Returns: the coordinatedTransactionId

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 1367 of file SessionImpl.java.

Operation com.mysql.clusterj.core.SessionImpl.getDeleteOperation ( Table storeTable )

inline

Create a delete operation for a table.

Parameters

storeTable the table

Returns: the operation

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 1247 of file SessionImpl.java.

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synchronized<T> DomainTypeHandler<T> com.mysql.clusterj.core.SessionImpl.getDomainTypeHandler ( T object )

inlineprotected

Get the domain type handler for an instance.

Parameters

object the instance for which to get the domain type handler

Returns: the domain type handler

Definition at line 1047 of file SessionImpl.java.

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synchronized<T> DomainTypeHandler<T> com.mysql.clusterj.core.SessionImpl.getDomainTypeHandler ( Class< T > cls )

inline

Get the domain type handler for a class.

Parameters

cls the class

Returns: the domain type handler

Definition at line 1058 of file SessionImpl.java.

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IndexScanOperation com.mysql.clusterj.core.SessionImpl.getIndexScanDeleteOperation	(	Index	storeIndex,
		Table	storeTable
	)

inline

Create an index scan delete operation for an index and table.

Parameters

storeIndex	the index
storeTable	the table

Returns: the index scan operation

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 1166 of file SessionImpl.java.

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IndexScanOperation com.mysql.clusterj.core.SessionImpl.getIndexScanOperation	(	Index	storeIndex,
		Table	storeTable
	)

inline

Create an index scan operation for an index and table.

Parameters

storeIndex	the index
storeTable	the table

Returns: the index scan operation

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 1132 of file SessionImpl.java.

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IndexScanOperation com.mysql.clusterj.core.SessionImpl.getIndexScanOperationMultiRange	(	Index	storeIndex,
		Table	storeTable
	)

inline

Create an index scan operation for an index and table to be used for a multi-range scan.

Parameters

storeIndex	the index
storeTable	the table

Returns: the index scan operation

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 1149 of file SessionImpl.java.

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QueryBuilder com.mysql.clusterj.core.SessionImpl.getQueryBuilder ( )

inline

Get a query builder.

Returns: the query builder

Implements com.mysql.clusterj.Session.

Definition at line 1122 of file SessionImpl.java.

boolean com.mysql.clusterj.core.SessionImpl.getRollbackOnly ( )

inline

Is the current transaction marked for rollback only?

Returns: true if the current transaction is marked for rollback only

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 857 of file SessionImpl.java.

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Operation com.mysql.clusterj.core.SessionImpl.getSelectOperation ( Table storeTable )

inline

Create a select operation for a table.

Parameters

storeTable the table

Returns: the operation

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 1231 of file SessionImpl.java.

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ScanOperation com.mysql.clusterj.core.SessionImpl.getTableScanDeleteOperation ( Table storeTable )

inline

Create a table scan delete operation for a table.

Parameters

storeTable the table

Returns: the table scan operation

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 1198 of file SessionImpl.java.

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ScanOperation com.mysql.clusterj.core.SessionImpl.getTableScanOperation ( Table storeTable )

inline

Create a table scan operation for a table.

Parameters

storeTable the table

Returns: the table scan operation

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 1182 of file SessionImpl.java.

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IndexOperation com.mysql.clusterj.core.SessionImpl.getUniqueIndexDeleteOperation	(	Index	storeIndex,
		Table	storeTable
	)

inline

Create an index delete operation for an index and table.

Parameters

storeIndex	the index
storeTable	the table

Returns: the index operation

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 1264 of file SessionImpl.java.

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IndexOperation com.mysql.clusterj.core.SessionImpl.getUniqueIndexOperation	(	Index	storeIndex,
		Table	storeTable
	)

inline

Create an index operation for an index and table.

Parameters

storeIndex	the index
storeTable	the table

Returns: the index operation

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 1215 of file SessionImpl.java.

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void com.mysql.clusterj.core.SessionImpl.internalBegin ( )

inlineprotected

Internally begin the transaction. Called by transactionState.begin().

Definition at line 733 of file SessionImpl.java.

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void com.mysql.clusterj.core.SessionImpl.internalCommit ( )

inlineprotected

Internally commit the transaction. Called by transactionState.commit().

Definition at line 761 of file SessionImpl.java.

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void com.mysql.clusterj.core.SessionImpl.internalRollback ( )

inlineprotected

Internally roll back the transaction. Called by transactionState.rollback() and transactionState.commit() if the transaction is marked for rollback.

Definition at line 796 of file SessionImpl.java.

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boolean com.mysql.clusterj.core.SessionImpl.isClosed ( )

inline

Is this session closed?

Returns: true if the session is closed

Implements com.mysql.clusterj.Session.

Definition at line 709 of file SessionImpl.java.

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boolean com.mysql.clusterj.core.SessionImpl.isEnlisted ( )

inline

Is the transaction enlisted. A transaction is enlisted if and only if an operation has been defined that requires an ndb transaction to be started.

Returns: true if the transaction is enlisted

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 1081 of file SessionImpl.java.

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Iterable com.mysql.clusterj.core.SessionImpl.makePersistentAll ( Iterable instances )

inline

Make a number of instances persistent.

Parameters

instances a Collection or array of objects to persist

Returns: a Collection or array with the same order of iteration

Definition at line 435 of file SessionImpl.java.

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void com.mysql.clusterj.core.SessionImpl.markModified ( StateManager obj )

inline

Mark an object as modified.

Implements com.mysql.clusterj.core.CacheManager.

Definition at line 1301 of file SessionImpl.java.

void com.mysql.clusterj.core.SessionImpl.markModified	(	Object	instance,
		String	fieldName
	)

inline

Mark the field in the instance as modified so it is flushed.

Parameters

instance	the persistent instance
fieldName	the field to mark as modified

Implements com.mysql.clusterj.Session.

Definition at line 1331 of file SessionImpl.java.

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void com.mysql.clusterj.core.SessionImpl.persist ( Object instance )

inline

Insert the instance into the database. This method has identical semantics to makePersistent.

Parameters

instance the instance to insert

Implements com.mysql.clusterj.Session.

Definition at line 1293 of file SessionImpl.java.

void com.mysql.clusterj.core.SessionImpl.remove ( Object instance )

inline

Delete the instance from the database. This method has identical semantics to deletePersistent.

Parameters

instance the instance to delete

Implements com.mysql.clusterj.Session.

Definition at line 1297 of file SessionImpl.java.

void com.mysql.clusterj.core.SessionImpl.rollback ( )

inline

Roll back the current transaction.

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 785 of file SessionImpl.java.

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Iterable com.mysql.clusterj.core.SessionImpl.savePersistentAll ( Iterable instances )

inline

Save the instances even if they do not exist.

Parameters

instances

Definition at line 677 of file SessionImpl.java.

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ResultData com.mysql.clusterj.core.SessionImpl.selectUnique	(	DomainTypeHandler	domainTypeHandler,
		ValueHandler	keyHandler,
		BitSet	fields
	)

inline

Select a single row from the database. Only the fields requested will be selected. A transaction must be active (either via begin or startAutoTransaction).

Parameters

domainTypeHandler	the domainTypeHandler to be selected
keyHandler	the key supplier for the select
fields	the fields to select; null to select all fields

Returns: the ResultData from the database

Definition at line 583 of file SessionImpl.java.

void com.mysql.clusterj.core.SessionImpl.setCoordinatedTransactionId ( String coordinatedTransactionId )

inline

Set the coordinatedTransactionId for the next transaction. This will take effect as soon as the transaction is enlisted.

Parameters

coordinatedTransactionId the coordinatedTransactionId

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 1375 of file SessionImpl.java.

void com.mysql.clusterj.core.SessionImpl.setLockMode ( LockMode lockmode )

inline

Set the lock mode for subsequent operations. The lock mode takes effect immediately and continues until set again.

Parameters

lockmode the lock mode

Implements com.mysql.clusterj.Session.

Definition at line 1383 of file SessionImpl.java.

void com.mysql.clusterj.core.SessionImpl.setPartitionKey	(	Class<?>	cls,
		Object	key
	)

inline

Set the partition key for the next transaction. The key must be of the same type as the primary key defined by the table corresponding to the cls parameter. The key parameter is the wrapped version of the primitive type of the key, e.g. Integer for INT key types, Long for BIGINT key types, or String for char and varchar types.

For multi-column primary keys, the key parameter is an Object[], each element of which is a component of the primary key. The elements must be in the order of declaration of the columns (not necessarily the order defined in the CONSTRAINT ... PRIMARY KEY clause) of the CREATE TABLE statement.

Exceptions

ClusterJUserException	if a transaction is enlisted
ClusterJUserException	if a partition key is null
ClusterJUserException	if called twice in the same transaction
ClusterJUserException	if a partition key is the wrong type

Parameters

key	the primary key of the mapped table

Implements com.mysql.clusterj.Session.

Definition at line 1305 of file SessionImpl.java.

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void com.mysql.clusterj.core.SessionImpl.setRollbackOnly ( )

inline

Mark the current transaction as rollback only.

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 850 of file SessionImpl.java.

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void com.mysql.clusterj.core.SessionImpl.startAutoTransaction ( )

inline

Start a transaction if there is not already an active transaction. Throw a ClusterJException if there is any problem.

Implements com.mysql.clusterj.core.spi.SessionSPI.

Definition at line 814 of file SessionImpl.java.

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void com.mysql.clusterj.core.SessionImpl.updatePersistent ( Object object )

inline

Update an instance in the database. The key field(s) are used to identify the instance; modified fields change the values in the database.

Parameters

object the instance to update in the database

Implements com.mysql.clusterj.Session.

Definition at line 605 of file SessionImpl.java.

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void com.mysql.clusterj.core.SessionImpl.updatePersistentAll ( Iterable objects )

inline

Update the instances corresponding to the parameters.

Parameters

objects the objects to update

Definition at line 639 of file SessionImpl.java.

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Member Data Documentation

List<StateManager> com.mysql.clusterj.core.SessionImpl.changeList = new ArrayList<StateManager>()

protected

The list of objects changed since the last flush

Definition at line 109 of file SessionImpl.java.

ClusterTransaction com.mysql.clusterj.core.SessionImpl.clusterTransaction

protected

The underlying ClusterTransaction

Definition at line 95 of file SessionImpl.java.

Db com.mysql.clusterj.core.SessionImpl.db

protected

Db: one per session.

Definition at line 80 of file SessionImpl.java.

Dictionary com.mysql.clusterj.core.SessionImpl.dictionary

protected

Dictionary: one per session.

Definition at line 83 of file SessionImpl.java.

SessionFactoryImpl com.mysql.clusterj.core.SessionImpl.factory

protected

My Factory.

Definition at line 77 of file SessionImpl.java.

String com.mysql.clusterj.core.SessionImpl.joinTransactionId = null

protected

The transaction id to join

Definition at line 98 of file SessionImpl.java.

int com.mysql.clusterj.core.SessionImpl.nestedAutoTransactionCounter = 0

protected

Nested auto transaction counter.

Definition at line 123 of file SessionImpl.java.

int com.mysql.clusterj.core.SessionImpl.numberOfRetries = 5

protected

Number of retries for retriable exceptions

Definition at line 127 of file SessionImpl.java.

PartitionKey com.mysql.clusterj.core.SessionImpl.partitionKey = null

protected

The partition key

Definition at line 89 of file SessionImpl.java.

List<Runnable> com.mysql.clusterj.core.SessionImpl.postExecuteOperations = new ArrayList<Runnable>()

protected

The list of pending operations, such as load operations, that need to be processed after the operation is sent to the database via

See Also: executeNoCommit().

Definition at line 114 of file SessionImpl.java.

Map com.mysql.clusterj.core.SessionImpl.properties

protected

The properties for this session

Definition at line 101 of file SessionImpl.java.

final int com.mysql.clusterj.core.SessionImpl.RESULT_READY = 0

protected

Flags for iterating a scan

Definition at line 104 of file SessionImpl.java.

boolean com.mysql.clusterj.core.SessionImpl.rollbackOnly = false

protected

Rollback only status

Definition at line 92 of file SessionImpl.java.

TransactionImpl com.mysql.clusterj.core.SessionImpl.transactionImpl

protected

One transaction at a time.

Definition at line 86 of file SessionImpl.java.

TransactionState com.mysql.clusterj.core.SessionImpl.transactionState

protected

The transaction state of this session.

Definition at line 117 of file SessionImpl.java.

TransactionState com.mysql.clusterj.core.SessionImpl.transactionStateActive

protected

This represents the state of Transaction Active.

Definition at line 933 of file SessionImpl.java.

TransactionState com.mysql.clusterj.core.SessionImpl.transactionStateNotActive

protected

This represents the state of Transaction Not Active.

Definition at line 877 of file SessionImpl.java.

The documentation for this class was generated from the following file:

storage/ndb/clusterj/clusterj-core/src/main/java/com/mysql/clusterj/core/SessionImpl.java

Classes

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Member Function Documentation

Member Data Documentation