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## org.springframework.transaction.jta
Class WebLogicJtaTransactionManager

    java.lang.Object
      org.springframework.transaction.support.AbstractPlatformTransactionManager
          org.springframework.transaction.jta.JtaTransactionManager
              org.springframework.transaction.jta.WebLogicJtaTransactionManager

All Implemented Interfaces:
  Serializable, InitializingBean, TransactionFactory, PlatformTransactionManager

    public class WebLogicJtaTransactionManager

extends JtaTransactionManager

Special `JtaTransactionManager` variant for BEA WebLogic (9.0 and higher). Supports the full power of Spring's transaction definitions on WebLogic's transaction coordinator, beyond standard JTA: transaction names, per-transaction isolation levels, and proper resuming of transactions in all cases.

Uses WebLogic's special `begin(name)` method to start a JTA transaction, in order to make Spring-driven transactions visible in WebLogic's transaction monitor. In case of Spring's declarative transactions, the exposed name will (by default) be the fully-qualified class name + "." + method name.

Supports a per-transaction isolation level through WebLogic's corresponding JTA transaction property "ISOLATION LEVEL". This will apply the specified isolation level (e.g. ISOLATION_SERIALIZABLE) to all JDBC Connections that participate in the given transaction.

Invokes WebLogic's special `forceResume` method if standard JTA resume failed, to also resume if the target transaction was marked rollback-only. If you're not relying on this feature of transaction suspension in the first place, Spring's standard JtaTransactionManager will behave properly too.

By default, the JTA UserTransaction and TransactionManager handles are fetched directly from WebLogic's `TransactionHelper`. This can be overridden by specifying "userTransaction"/"userTransactionName" and "transactionManager"/"transactionManagerName", passing in existing handles or specifying corresponding JNDI locations to look up.

Since:
  1.1
Author:
  Juergen Hoeller
See Also:
  `TransactionDefinition.getName()`, `TransactionDefinition.getIsolationLevel()`, `weblogic.transaction.UserTransaction#begin(String)`, `weblogic.transaction.Transaction#setProperty`, `weblogic.transaction.TransactionManager#forceResume`, `weblogic.transaction.TransactionHelper`, Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.springframework.transaction.support.AbstractPlatformTransactionManager
`AbstractPlatformTransactionManager.SuspendedResourcesHolder`

Field Summary

Fields inherited from class org.springframework.transaction.jta.JtaTransactionManager
`DEFAULT_TRANSACTION_SYNCHRONIZATION_REGISTRY_NAME, DEFAULT_USER_TRANSACTION_NAME, FALLBACK_TRANSACTION_MANAGER_NAMES`

Fields inherited from class org.springframework.transaction.support.AbstractPlatformTransactionManager
`logger, SYNCHRONIZATION_ALWAYS, SYNCHRONIZATION_NEVER, SYNCHRONIZATION_ON_ACTUAL_TRANSACTION`

Constructor Summary
`WebLogicJtaTransactionManager()`

Method Summary
`void` | `afterPropertiesSet()` Initialize the UserTransaction as well as the TransactionManager handle.
`Transaction` | `createTransaction(String name, int timeout)` Create an active Transaction object based on the given name and timeout.
`protected void` | `doJtaBegin(JtaTransactionObject txObject, TransactionDefinition definition)` Perform a JTA begin on the JTA UserTransaction or TransactionManager.
`protected void` | `doJtaResume(JtaTransactionObject txObject, Object suspendedTransaction)` Perform a JTA resume on the JTA TransactionManager.
`protected TransactionManager` | `retrieveTransactionManager()` Allows subclasses to retrieve the JTA TransactionManager in a vendor-specific manner.
`protected UserTransaction` | `retrieveUserTransaction()` Allows subclasses to retrieve the JTA UserTransaction in a vendor-specific manner.

Methods inherited from class org.springframework.transaction.jta.JtaTransactionManager
`applyIsolationLevel, applyTimeout, buildUserTransaction, checkUserTransactionAndTransactionManager, doBegin, doCommit, doGetJtaTransaction, doGetTransaction, doJtaSuspend, doRegisterAfterCompletionWithJtaTransaction, doResume, doRollback, doSetRollbackOnly, doSuspend, findTransactionManager, findTransactionSynchronizationRegistry, findUserTransaction, getJndiEnvironment, getJndiTemplate, getTransactionManager, getUserTransaction, initTransactionSynchronizationRegistry, initUserTransactionAndTransactionManager, isExistingTransaction, lookupTransactionManager, lookupTransactionSynchronizationRegistry, lookupUserTransaction, registerAfterCompletionWithExistingTransaction, retrieveTransactionSynchronizationRegistry, setAllowCustomIsolationLevels, setAutodetectTransactionManager, setAutodetectUserTransaction, setCacheUserTransaction, setJndiEnvironment, setJndiTemplate, setTransactionManager, setTransactionManagerName, setTransactionSynchronizationRegistryName, setUserTransaction, setUserTransactionName, shouldCommitOnGlobalRollbackOnly, supportsResourceAdapterManagedTransactions, useSavepointForNestedTransaction`

Methods inherited from class org.springframework.transaction.support.AbstractPlatformTransactionManager
`commit, determineTimeout, doCleanupAfterCompletion, getDefaultTimeout, getTransaction, getTransactionSynchronization, invokeAfterCompletion, isFailEarlyOnGlobalRollbackOnly, isGlobalRollbackOnParticipationFailure, isNestedTransactionAllowed, isRollbackOnCommitFailure, isValidateExistingTransaction, newTransactionStatus, prepareForCommit, prepareSynchronization, prepareTransactionStatus, resume, rollback, setDefaultTimeout, setFailEarlyOnGlobalRollbackOnly, setGlobalRollbackOnParticipationFailure, setNestedTransactionAllowed, setRollbackOnCommitFailure, setTransactionSynchronization, setTransactionSynchronizationName, setValidateExistingTransaction, suspend, triggerBeforeCommit, triggerBeforeCompletion`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### WebLogicJtaTransactionManager

    public WebLogicJtaTransactionManager()

Method Detail

### afterPropertiesSet

    public void afterPropertiesSet()
                            throws TransactionSystemException

  Description copied from class: `JtaTransactionManager`
  Initialize the UserTransaction as well as the TransactionManager handle.

  Specified by:
    `afterPropertiesSet` in interface `InitializingBean`
  Overrides:
    `afterPropertiesSet` in class `JtaTransactionManager`
  Throws:
    `TransactionSystemException`
  See Also:
    `JtaTransactionManager.initUserTransactionAndTransactionManager()`

### retrieveUserTransaction

    protected UserTransaction retrieveUserTransaction()
                                               throws TransactionSystemException

  Description copied from class: `JtaTransactionManager`
  Allows subclasses to retrieve the JTA UserTransaction in a vendor-specific manner. Only called if no "userTransaction" or "userTransactionName" specified.

  The default implementation simply returns `null`.

  Overrides:
    `retrieveUserTransaction` in class `JtaTransactionManager`
  Returns:
    the JTA UserTransaction handle to use, or `null` if none found
  Throws:
    `TransactionSystemException` - in case of errors
  See Also:
    `JtaTransactionManager.setUserTransaction(javax.transaction.UserTransaction)`, `JtaTransactionManager.setUserTransactionName(java.lang.String)`

### retrieveTransactionManager

    protected TransactionManager retrieveTransactionManager()
                                                     throws TransactionSystemException

  Description copied from class: `JtaTransactionManager`
  Allows subclasses to retrieve the JTA TransactionManager in a vendor-specific manner. Only called if no "transactionManager" or "transactionManagerName" specified.

  The default implementation simply returns `null`.

  Overrides:
    `retrieveTransactionManager` in class `JtaTransactionManager`
  Returns:
    the JTA TransactionManager handle to use, or `null` if none found
  Throws:
    `TransactionSystemException` - in case of errors
  See Also:
    `JtaTransactionManager.setTransactionManager(javax.transaction.TransactionManager)`, `JtaTransactionManager.setTransactionManagerName(java.lang.String)`

### doJtaBegin

    protected void doJtaBegin(JtaTransactionObject txObject,
                              TransactionDefinition definition)
                       throws NotSupportedException,
                              SystemException

  Description copied from class: `JtaTransactionManager`
  Perform a JTA begin on the JTA UserTransaction or TransactionManager.

  This implementation only supports standard JTA functionality: that is, no per-transaction isolation levels and no transaction names. Can be overridden in subclasses, for specific JTA implementations.

  Calls `applyIsolationLevel` and `applyTimeout` before invoking the UserTransaction's `begin` method.

  Overrides:
    `doJtaBegin` in class `JtaTransactionManager`
  Parameters:
    `txObject` - the JtaTransactionObject containing the UserTransaction
    `definition` - TransactionDefinition instance, describing propagation behavior, isolation level, read-only flag, timeout, and transaction name
  Throws:
    `NotSupportedException` - if thrown by JTA methods
    `SystemException` - if thrown by JTA methods
  See Also:
    `JtaTransactionManager.getUserTransaction()`, `JtaTransactionManager.getTransactionManager()`, `JtaTransactionManager.applyIsolationLevel(org.springframework.transaction.jta.JtaTransactionObject, int)`, `JtaTransactionManager.applyTimeout(org.springframework.transaction.jta.JtaTransactionObject, int)`, `JtaTransactionObject.getUserTransaction()`, `UserTransaction.setTransactionTimeout(int)`, `UserTransaction.begin()`

### doJtaResume

    protected void doJtaResume(JtaTransactionObject txObject,
                               Object suspendedTransaction)
                        throws InvalidTransactionException,
                               SystemException

  Description copied from class: `JtaTransactionManager`
  Perform a JTA resume on the JTA TransactionManager.

  Can be overridden in subclasses, for specific JTA implementations.

  Overrides:
    `doJtaResume` in class `JtaTransactionManager`
  Parameters:
    `txObject` - the JtaTransactionObject containing the UserTransaction
    `suspendedTransaction` - the suspended JTA Transaction object
  Throws:
    `InvalidTransactionException` - if thrown by JTA methods
    `SystemException` - if thrown by JTA methods
  See Also:
    `JtaTransactionManager.getTransactionManager()`, `TransactionManager.resume(javax.transaction.Transaction)`

### createTransaction

    public Transaction createTransaction(String name,
                                         int timeout)
                                  throws NotSupportedException,
                                         SystemException

  Description copied from interface: `TransactionFactory`
  Create an active Transaction object based on the given name and timeout.

  Specified by:
    `createTransaction` in interface `TransactionFactory`
  Overrides:
    `createTransaction` in class `JtaTransactionManager`
  Parameters:
    `name` - the transaction name (may be `null`)
    `timeout` - the transaction timeout (may be -1 for the default timeout)
  Returns:
    the active Transaction object (never `null`)
  Throws:
    `NotSupportedException` - if the transaction manager does not support a transaction of the specified type
    `SystemException` - if the transaction manager failed to create the transaction

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