Uses of Interface
com.sun.sgs.service.Transaction

Packages that use Transaction

com.sun.sgs.impl.kernel	Provides an implementation of the RedDwarf Server kernel.
com.sun.sgs.impl.kernel.logging	Provides transactional logging facilities.
com.sun.sgs.impl.service.channel	Provides an implementation of ChannelManager.
com.sun.sgs.impl.service.data	Provides an implementation of DataService.
com.sun.sgs.impl.service.data.store	Provides facilities for storing objects used by DataServiceImpl.
com.sun.sgs.impl.service.data.store.net	Provides an implementation of DataStore that supports clients communicating to a shared data store server over the network.
com.sun.sgs.impl.service.transaction	Provides an implementation of transactions.
com.sun.sgs.impl.util	Provides miscellaneous utility classes and methods.
com.sun.sgs.impl.util.lock	Provides utility classes for managing locks.
com.sun.sgs.kernel	Provides the core system interfaces used by the RedDwarf Server.
com.sun.sgs.service	Provides interfaces and classes for services provided by the RedDwarf Server.
com.sun.sgs.service.store	Provides interfaces and classes for pluggable data stores of DataService implementations.

Uses of Transaction in com.sun.sgs.impl.kernel

Methods in com.sun.sgs.impl.kernel that return Transaction

Transaction	TrackingAccessCoordinator.getConflictingTransaction(Transaction txn) Find out what transaction, if still active, caused the given transaction to fail due to conflict.
Transaction	NullAccessCoordinator.getConflictingTransaction(Transaction txn) Find out what transaction, if still active, caused the given transaction to fail due to conflict.
Transaction	LockingAccessCoordinator.getConflictingTransaction(Transaction txn) Find out what transaction, if still active, caused the given transaction to fail due to conflict.
(package private) static Transaction	ContextResolver.getCurrentTransaction() Returns the current Transaction, throwing an exception if there is no currently active transaction or if the currently active transaction has timed out.
Transaction	TransactionProxyImpl.getCurrentTransaction() Returns the current transaction state.

Methods in com.sun.sgs.impl.kernel with parameters of type Transaction

void	TrackingAccessCoordinator.abort(Transaction txn) Tells the participant to abort its involvement with the given transaction.
(package private) static void	ContextResolver.clearCurrentTransaction(Transaction transaction) Clears the currently active Transaction.
void	TrackingAccessCoordinator.commit(Transaction txn) Tells the participant to commit its state associated with the given transaction.
Transaction	TrackingAccessCoordinator.getConflictingTransaction(Transaction txn) Find out what transaction, if still active, caused the given transaction to fail due to conflict.
Transaction	NullAccessCoordinator.getConflictingTransaction(Transaction txn) Find out what transaction, if still active, caused the given transaction to fail due to conflict.
Transaction	LockingAccessCoordinator.getConflictingTransaction(Transaction txn) Find out what transaction, if still active, caused the given transaction to fail due to conflict.
(package private) LockingAccessCoordinator.LockerImpl	LockingAccessCoordinator.getLocker(Transaction txn) Returns the locker associated with a transaction.
void	TrackingAccessCoordinator.notifyNewTransaction(Transaction txn, long requestedStartTime, int tryCount) Notifies the coordinator that a new transaction is starting.
void	NullAccessCoordinator.notifyNewTransaction(Transaction txn, long requestedStartTime, int tryCount) Notifies the coordinator that a new transaction is starting.
void	AccessCoordinatorHandle.notifyNewTransaction(Transaction txn, long requestedStartTime, int tryCount) Notifies the coordinator that a new transaction is starting.
void	LockingAccessCoordinator.notifyNewTransaction(Transaction txn, long requestedStartTime, int tryCount) Notifies the coordinator that a new transaction is starting.
boolean	TrackingAccessCoordinator.prepare(Transaction txn) Tells the participant to prepare for commiting its state associated with the given transaction.
void	TrackingAccessCoordinator.prepareAndCommit(Transaction txn) Tells the participant to both prepare and commit its state associated with the given transaction.
void	NullAccessCoordinator.reportObjectAccess(Transaction txn, Object objectId, AccessReporter.AccessType type) Reports to the coordinator that object access has been requested in the context of the provided transaction.
void	NullAccessCoordinator.reportObjectAccess(Transaction txn, Object objectId, AccessReporter.AccessType type, Object description) Reports to the coordinator that an object access with the provided description has been requested in the context of the provided transaction.
void	AbstractAccessCoordinator.AbstractAccessReporter.reportObjectAccess(Transaction txn, T objId, AccessReporter.AccessType type) Reports to the coordinator that object access has been requested in the context of the provided transaction.
(package private) static void	ContextResolver.setCurrentTransaction(Transaction transaction) Sets the current Transaction, throwing an exception if there is already an active transaction.
void	NullAccessCoordinator.setObjectDescription(Transaction txn, Object objectId, Object description) In the provided transaction, associates the given object with some description that should have a meaningful toString method.

Constructors in com.sun.sgs.impl.kernel with parameters of type Transaction

LockingAccessCoordinator.LockerImpl(TxnLockManager<com.sun.sgs.impl.kernel.LockingAccessCoordinator.Key> lockManager, Transaction txn, long requestedStartTime)
Creates an instance of this class.

Uses of Transaction in com.sun.sgs.impl.kernel.logging

Methods in com.sun.sgs.impl.kernel.logging with parameters of type Transaction

void	TransactionalHandler.abort(Transaction txn) Removes any buffered records for this transaction and performs no logging.
void	TransactionalHandler.commit(Transaction txn) Removes any buffered records for this transaction and logs all buffered records using the backing Handler.
boolean	TransactionalHandler.prepare(Transaction txn) Tells the participant to prepare for commiting its state associated with the given transaction.
void	TransactionalHandler.prepareAndCommit(Transaction txn) Removes any buffered records for this transaction and logs all buffered records using the backing Handler.

Uses of Transaction in com.sun.sgs.impl.service.channel

Methods in com.sun.sgs.impl.service.channel that return Transaction

(package private) static Transaction

ChannelServiceImpl.getTransaction() Returns the currently active transaction, or throws TransactionNotActiveException if no transaction is active.

Methods in com.sun.sgs.impl.service.channel with parameters of type Transaction

(package private) static void	ChannelServiceImpl.checkTransaction(Transaction txn) Checks that the specified context is currently active, throwing TransactionNotActiveException if it isn't.
(package private) Set<BigInteger>	ChannelServiceImpl.collectChannelMembership(Transaction txn, BigInteger channelRefId, Set<Long> nodeIds) Collects a snapshot of the channel membership for the channel with the specified channelRefId and set of member nodeIds and returns an unmodifiable set containing the channel membership.

Uses of Transaction in com.sun.sgs.impl.service.data

Fields in com.sun.sgs.impl.service.data declared as Transaction

(package private) Transaction

Context.txn The transaction.

Methods in com.sun.sgs.impl.service.data with parameters of type Transaction

(package private) ClassSerialization	ClassesTable.createClassSerialization(Transaction txn) Returns an implementation of ClassSerialization that uses this table to lookup class descriptors, uses the specified transaction when making requests of the data store, and uses Int30 to represent class IDs.
(package private) int	ClassesTable.getClassId(Transaction txn, ObjectStreamClass classDesc) Returns the class ID associated with a class descriptor.

Constructors in com.sun.sgs.impl.service.data with parameters of type Transaction

Context(DataServiceImpl service, DataStore store, Transaction txn, int debugCheckInterval, boolean detectModifications, ClassesTable classesTable, boolean trackStaleObjects)
Creates an instance of this class.

Uses of Transaction in com.sun.sgs.impl.service.data.store

Methods in com.sun.sgs.impl.service.data.store with parameters of type Transaction

void	AbstractDataStore.abort(Transaction txn) Tells the participant to abort its involvement with the given transaction.
void	DataStoreProfileProducer.abort(Transaction txn) Tells the participant to abort its involvement with the given transaction.
protected abstract void	AbstractDataStore.abortInternal(Transaction txn) Performs the actual operation for abort.
protected void	DataStoreImpl.abortInternal(Transaction txn) Performs the actual operation for abort.
void	AbstractDataStore.commit(Transaction txn) Tells the participant to commit its state associated with the given transaction.
void	DataStoreProfileProducer.commit(Transaction txn) Tells the participant to commit its state associated with the given transaction.
protected abstract void	AbstractDataStore.commitInternal(Transaction txn) Performs the actual operation for commit.
protected void	DataStoreImpl.commitInternal(Transaction txn) Performs the actual operation for commit.
long	AbstractDataStore.createObject(Transaction txn) Reserves an object ID for a new object.
long	DataStoreProfileProducer.createObject(Transaction txn) Reserves an object ID for a new object.
protected abstract long	AbstractDataStore.createObjectInternal(Transaction txn) Performs the actual operation for createObject.
protected long	DataStoreImpl.createObjectInternal(Transaction txn) Performs the actual operation for createObject.
T	DataStoreImpl.TxnInfoTable.get(Transaction txn) Returns the information associated with the transaction, or null if none is found.
long	AbstractDataStore.getBinding(Transaction txn, String name) Obtains the object ID bound to a name.
long	DataStoreProfileProducer.getBinding(Transaction txn, String name) Obtains the object ID bound to a name.
protected abstract BindingValue	AbstractDataStore.getBindingInternal(Transaction txn, String name) Performs the actual operation for getBinding.
protected BindingValue	DataStoreImpl.getBindingInternal(Transaction txn, String name) Performs the actual operation for getBinding.
int	AbstractDataStore.getClassId(Transaction txn, byte[] classInfo) Returns the class ID to represent classes with the specified class information.
int	DataStoreProfileProducer.getClassId(Transaction txn, byte[] classInfo) Returns the class ID to represent classes with the specified class information.
protected abstract int	AbstractDataStore.getClassIdInternal(Transaction txn, byte[] classInfo) Performs the actual operation for getClassId.
protected int	DataStoreImpl.getClassIdInternal(Transaction txn, byte[] classInfo) Performs the actual operation for getClassId.
byte[]	AbstractDataStore.getClassInfo(Transaction txn, int classId) Returns the class information associated with the specified class ID.
byte[]	DataStoreProfileProducer.getClassInfo(Transaction txn, int classId) Returns the class information associated with the specified class ID.
protected abstract byte[]	AbstractDataStore.getClassInfoInternal(Transaction txn, int classId) Performs the actual operation for getClassInfo.
protected byte[]	DataStoreImpl.getClassInfoInternal(Transaction txn, int classId) Performs the actual operation for getClassInfo.
byte[]	AbstractDataStore.getObject(Transaction txn, long oid, boolean forUpdate) Obtains the data associated with an object ID.
byte[]	DataStoreProfileProducer.getObject(Transaction txn, long oid, boolean forUpdate) Obtains the data associated with an object ID.
protected abstract byte[]	AbstractDataStore.getObjectInternal(Transaction txn, long oid, boolean forUpdate) Performs the actual operation for getObject.
protected byte[]	DataStoreImpl.getObjectInternal(Transaction txn, long oid, boolean forUpdate) Performs the actual operation for getObject.
(package private) byte[]	DataStoreImpl.getObjectRaw(Transaction txn, long oid) Get raw data for the specified object ID.
protected RuntimeException	AbstractDataStore.handleException(Transaction txn, Level level, RuntimeException e, String operation) Performs any operations needed when an exception is going to be thrown, as well as allowing the implementation to replace the exception with a different one.
protected RuntimeException	DataStoreImpl.handleException(Transaction txn, Level level, RuntimeException e, String operation) Performs any operations needed when an exception is going to be thrown, as well as allowing the implementation to replace the exception with a different one.
protected void	DataStoreImpl.joinNewTransaction(Transaction txn) Explicitly joins a new transaction.
void	AbstractDataStore.markForUpdate(Transaction txn, long oid) Notifies the DataStore that an object is going to be modified.
void	DataStoreProfileProducer.markForUpdate(Transaction txn, long oid) Notifies the DataStore that an object is going to be modified.
protected abstract void	AbstractDataStore.markForUpdateInternal(Transaction txn, long oid) Performs the actual operation for markForUpdate.
protected void	DataStoreImpl.markForUpdateInternal(Transaction txn, long oid) Performs the actual operation for markForUpdate.
String	AbstractDataStore.nextBoundName(Transaction txn, String name) Returns the next name after the specified name that has a binding, or null if there are no more bound names.
String	DataStoreProfileProducer.nextBoundName(Transaction txn, String name) Returns the next name after the specified name that has a binding, or null if there are no more bound names.
protected abstract String	AbstractDataStore.nextBoundNameInternal(Transaction txn, String name) Performs the actual operation for nextBoundName.
protected String	DataStoreImpl.nextBoundNameInternal(Transaction txn, String name) Performs the actual operation for nextBoundName.
long	AbstractDataStore.nextObjectId(Transaction txn, long oid) Returns the object ID for the next object after the object with the specified ID, or -1 if there are no more objects.
long	DataStoreProfileProducer.nextObjectId(Transaction txn, long oid) Returns the object ID for the next object after the object with the specified ID, or -1 if there are no more objects.
protected abstract long	AbstractDataStore.nextObjectIdInternal(Transaction txn, long oid) Performs the actual operation for nextObjectId.
protected long	DataStoreImpl.nextObjectIdInternal(Transaction txn, long oid) Performs the actual operation for nextObjectId.
(package private) long	DataStoreImpl.nextObjectIdRaw(Transaction txn, long oid) Gets the next object ID after the one specified, or -1 if there are no more objects.
boolean	AbstractDataStore.prepare(Transaction txn) Tells the participant to prepare for commiting its state associated with the given transaction.
boolean	DataStoreProfileProducer.prepare(Transaction txn) Tells the participant to prepare for commiting its state associated with the given transaction.
void	AbstractDataStore.prepareAndCommit(Transaction txn) Tells the participant to both prepare and commit its state associated with the given transaction.
void	DataStoreProfileProducer.prepareAndCommit(Transaction txn) Tells the participant to both prepare and commit its state associated with the given transaction.
protected abstract void	AbstractDataStore.prepareAndCommitInternal(Transaction txn) Performs the actual operation for prepareAndCommit.
protected void	DataStoreImpl.prepareAndCommitInternal(Transaction txn) Performs the actual operation for prepareAndCommit.
protected abstract boolean	AbstractDataStore.prepareInternal(Transaction txn) Performs the actual operation for prepare.
protected boolean	DataStoreImpl.prepareInternal(Transaction txn) Performs the actual operation for prepare.
T	DataStoreImpl.TxnInfoTable.remove(Transaction txn) Removes the information associated with the transaction.
void	AbstractDataStore.removeBinding(Transaction txn, String name) Removes the binding for a name.
void	DataStoreProfileProducer.removeBinding(Transaction txn, String name) Removes the binding for a name.
protected abstract BindingValue	AbstractDataStore.removeBindingInternal(Transaction txn, String name) Performs the actual operation for removeBinding.
protected BindingValue	DataStoreImpl.removeBindingInternal(Transaction txn, String name) Performs the actual operation for removeBinding.
void	AbstractDataStore.removeObject(Transaction txn, long oid) Removes the object with the specified object ID.
void	DataStoreProfileProducer.removeObject(Transaction txn, long oid) Removes the object with the specified object ID.
protected abstract void	AbstractDataStore.removeObjectInternal(Transaction txn, long oid) Performs the actual operation for removeObject.
protected void	DataStoreImpl.removeObjectInternal(Transaction txn, long oid) Performs the actual operation for removeObject.
protected void	AbstractDataStore.reportNameAccess(Transaction txn, String name, AccessReporter.AccessType type) Reports a name access.
protected void	AbstractDataStore.reportObjectAccess(Transaction txn, long oid, AccessReporter.AccessType type) Reports an object access.
void	DataStoreImpl.TxnInfoTable.set(Transaction txn, T info) Sets the information associated with the transaction, which should not currently have associated information.
void	AbstractDataStore.setBinding(Transaction txn, String name, long oid) Binds an object ID to a name.
void	DataStoreProfileProducer.setBinding(Transaction txn, String name, long oid) Binds an object ID to a name.
void	AbstractDataStore.setBindingDescription(Transaction txn, String name, Object description) Associates a description with a bound name, for use in describing name accesses.
void	DataStoreProfileProducer.setBindingDescription(Transaction txn, String name, Object description) Associates a description with a bound name, for use in describing name accesses.
protected abstract BindingValue	AbstractDataStore.setBindingInternal(Transaction txn, String name, long oid) Performs the actual operation for setBinding.
protected BindingValue	DataStoreImpl.setBindingInternal(Transaction txn, String name, long oid) Performs the actual operation for setBinding.
void	AbstractDataStore.setObject(Transaction txn, long oid, byte[] data) Specifies data to associate with an object ID.
void	DataStoreProfileProducer.setObject(Transaction txn, long oid, byte[] data) Specifies data to associate with an object ID.
void	AbstractDataStore.setObjectDescription(Transaction txn, long oid, Object description) Associates a description with an object ID, for use in describing object accesses.
void	DataStoreProfileProducer.setObjectDescription(Transaction txn, long oid, Object description) Associates a description with an object ID, for use in describing object accesses.
protected abstract void	AbstractDataStore.setObjectInternal(Transaction txn, long oid, byte[] data) Performs the actual operation for setObject.
protected void	DataStoreImpl.setObjectInternal(Transaction txn, long oid, byte[] data) Performs the actual operation for setObject.
(package private) void	DataStoreImpl.setObjectRaw(Transaction txn, long oid, byte[] data) Store raw data for the specified object ID.
void	AbstractDataStore.setObjects(Transaction txn, long[] oids, byte[][] dataArray) Specifies data to associate with a series of object IDs.
void	DataStoreProfileProducer.setObjects(Transaction txn, long[] oids, byte[][] dataArray) Specifies data to associate with a series of object IDs.
protected abstract void	AbstractDataStore.setObjectsInternal(Transaction txn, long[] oids, byte[][] dataArray) Performs the actual operation for setObjects.
protected void	DataStoreImpl.setObjectsInternal(Transaction txn, long[] oids, byte[][] dataArray) Performs the actual operation for setObjects.

Uses of Transaction in com.sun.sgs.impl.service.data.store.net

Methods in com.sun.sgs.impl.service.data.store.net with parameters of type Transaction

protected void	DataStoreClient.abortInternal(Transaction txn) Performs the actual operation for abort.
protected void	DataStoreClient.commitInternal(Transaction txn) Performs the actual operation for commit.
protected long	DataStoreClient.createObjectInternal(Transaction txn) Performs the actual operation for createObject.
protected BindingValue	DataStoreClient.getBindingInternal(Transaction txn, String name) Performs the actual operation for getBinding.
protected int	DataStoreClient.getClassIdInternal(Transaction txn, byte[] classInfo) Performs the actual operation for getClassId.
protected byte[]	DataStoreClient.getClassInfoInternal(Transaction txn, int classId) Performs the actual operation for getClassInfo.
protected byte[]	DataStoreClient.getObjectInternal(Transaction txn, long oid, boolean forUpdate) Performs the actual operation for getObject.
protected RuntimeException	DataStoreClient.handleException(Transaction txn, Level level, RuntimeException e, String operation) Performs any operations needed when an exception is going to be thrown, as well as allowing the implementation to replace the exception with a different one.
protected void	DataStoreClient.markForUpdateInternal(Transaction txn, long oid) Performs the actual operation for markForUpdate.
protected String	DataStoreClient.nextBoundNameInternal(Transaction txn, String name) Performs the actual operation for nextBoundName.
protected long	DataStoreClient.nextObjectIdInternal(Transaction txn, long oid) Performs the actual operation for nextObjectId.
protected void	DataStoreClient.prepareAndCommitInternal(Transaction txn) Performs the actual operation for prepareAndCommit.
protected boolean	DataStoreClient.prepareInternal(Transaction txn) Performs the actual operation for prepare.
protected BindingValue	DataStoreClient.removeBindingInternal(Transaction txn, String name) Performs the actual operation for removeBinding.
protected void	DataStoreClient.removeObjectInternal(Transaction txn, long oid) Performs the actual operation for removeObject.
protected BindingValue	DataStoreClient.setBindingInternal(Transaction txn, String name, long oid) Performs the actual operation for setBinding.
protected void	DataStoreClient.setObjectInternal(Transaction txn, long oid, byte[] data) Performs the actual operation for setObject.
protected void	DataStoreClient.setObjectsInternal(Transaction txn, long[] oids, byte[][] dataArray) Performs the actual operation for setObjects.

Uses of Transaction in com.sun.sgs.impl.service.transaction

Classes in com.sun.sgs.impl.service.transaction that implement Transaction

(package private) class

TransactionImpl Provides an implementation of Transaction.

Methods in com.sun.sgs.impl.service.transaction that return Transaction

Transaction

TransactionHandle.getTransaction() Returns the transaction associated with this handle.

Uses of Transaction in com.sun.sgs.impl.util

Fields in com.sun.sgs.impl.util declared as Transaction

protected Transaction

TransactionContext.txn The transaction.

Methods in com.sun.sgs.impl.util that return Transaction

Transaction

TransactionContext.getTransaction() Returns the transaction associated with this context.

Methods in com.sun.sgs.impl.util with parameters of type Transaction

void	TransactionContextFactory.Participant.abort(Transaction txn) Tells the participant to abort its involvement with the given transaction.
T	TransactionContextMap.checkTransaction(Transaction txn) Checks the specified transaction, throwing IllegalStateException if the current context is null or if the specified transaction is not equal to the transaction in the current context.
void	TransactionContextFactory.Participant.commit(Transaction txn) Tells the participant to commit its state associated with the given transaction.
protected abstract T	TransactionContextFactory.createContext(Transaction txn) Returns a new TransactionContext to hold state for the specified transaction, txn.
boolean	TransactionContextFactory.Participant.prepare(Transaction txn) Tells the participant to prepare for commiting its state associated with the given transaction.
void	TransactionContextFactory.Participant.prepareAndCommit(Transaction txn) Tells the participant to both prepare and commit its state associated with the given transaction.

Constructors in com.sun.sgs.impl.util with parameters of type Transaction

TransactionContext(Transaction txn)
Constructs an instance of this class with the given transaction.

Uses of Transaction in com.sun.sgs.impl.util.lock

Fields in com.sun.sgs.impl.util.lock declared as Transaction

protected Transaction

TxnLocker.txn The associated transaction.

Methods in com.sun.sgs.impl.util.lock that return Transaction

Transaction

TxnLocker.getTransaction() Returns the transaction associated with this locker.

Constructors in com.sun.sgs.impl.util.lock with parameters of type Transaction

TxnLocker(TxnLockManager<K> lockManager, Transaction txn, long requestedStartTime)
Creates an instance of this class.

Uses of Transaction in com.sun.sgs.kernel

Methods in com.sun.sgs.kernel that return Transaction

Transaction

AccessCoordinator.getConflictingTransaction(Transaction txn) Find out what transaction, if still active, caused the given transaction to fail due to conflict.

Methods in com.sun.sgs.kernel with parameters of type Transaction

Transaction	AccessCoordinator.getConflictingTransaction(Transaction txn) Find out what transaction, if still active, caused the given transaction to fail due to conflict.
void	AccessReporter.reportObjectAccess(Transaction txn, T objId, AccessReporter.AccessType type) Reports to the coordinator that object access has been requested in the context of the provided transaction.
void	AccessReporter.reportObjectAccess(Transaction txn, T objId, AccessReporter.AccessType type, Object description) Reports to the coordinator that an object access with the provided description has been requested in the context of the provided transaction.
void	AccessReporter.setObjectDescription(Transaction txn, T objId, Object description) In the provided transaction, associates the given object with some description that should have a meaningful toString method.

Uses of Transaction in com.sun.sgs.service

Methods in com.sun.sgs.service that return Transaction

Transaction

TransactionProxy.getCurrentTransaction() Returns the current transaction state.

Methods in com.sun.sgs.service with parameters of type Transaction

void	TransactionParticipant.abort(Transaction txn) Tells the participant to abort its involvement with the given transaction.
void	TransactionParticipant.commit(Transaction txn) Tells the participant to commit its state associated with the given transaction.
boolean	TransactionParticipant.prepare(Transaction txn) Tells the participant to prepare for commiting its state associated with the given transaction.
void	TransactionParticipant.prepareAndCommit(Transaction txn) Tells the participant to both prepare and commit its state associated with the given transaction.

Uses of Transaction in com.sun.sgs.service.store

Methods in com.sun.sgs.service.store with parameters of type Transaction

long	DataStore.createObject(Transaction txn) Reserves an object ID for a new object.
long	DataStore.getBinding(Transaction txn, String name) Obtains the object ID bound to a name.
int	DataStore.getClassId(Transaction txn, byte[] classInfo) Returns the class ID to represent classes with the specified class information.
byte[]	DataStore.getClassInfo(Transaction txn, int classId) Returns the class information associated with the specified class ID.
byte[]	DataStore.getObject(Transaction txn, long oid, boolean forUpdate) Obtains the data associated with an object ID.
void	DataStore.markForUpdate(Transaction txn, long oid) Notifies the DataStore that an object is going to be modified.
String	DataStore.nextBoundName(Transaction txn, String name) Returns the next name after the specified name that has a binding, or null if there are no more bound names.
long	DataStore.nextObjectId(Transaction txn, long oid) Returns the object ID for the next object after the object with the specified ID, or -1 if there are no more objects.
void	DataStore.removeBinding(Transaction txn, String name) Removes the binding for a name.
void	DataStore.removeObject(Transaction txn, long oid) Removes the object with the specified object ID.
void	DataStore.setBinding(Transaction txn, String name, long oid) Binds an object ID to a name.
void	DataStore.setBindingDescription(Transaction txn, String name, Object description) Associates a description with a bound name, for use in describing name accesses.
void	DataStore.setObject(Transaction txn, long oid, byte[] data) Specifies data to associate with an object ID.
void	DataStore.setObjectDescription(Transaction txn, long oid, Object description) Associates a description with an object ID, for use in describing object accesses.
void	DataStore.setObjects(Transaction txn, long[] oids, byte[][] dataArray) Specifies data to associate with a series of object IDs.