io.mats3.impl.jms

Class JmsMatsTransactionManager_Jms.TransactionalContext_Jms

java.lang.Object

io.mats3.impl.jms.JmsMatsTransactionManager_Jms.TransactionalContext_Jms

All Implemented Interfaces:

JmsMatsStatics, JmsMatsTransactionManager.TransactionContext

Direct Known Subclasses:

JmsMatsTransactionManager_JmsAndJdbc.TransactionalContext_JmsAndJdbc

Enclosing class:

JmsMatsTransactionManager_Jms

public static class JmsMatsTransactionManager_Jms.TransactionalContext_Jms
extends java.lang.Object
implements JmsMatsTransactionManager.TransactionContext, JmsMatsStatics

The JmsMatsTransactionManager.TransactionContext implementation for JmsMatsTransactionManager_Jms.

Field Summary

Fields

Modifier and Type	Field and Description
protected JmsMatsTransactionManager.JmsMatsTxContextKey	_txContextKey

Fields inherited from interface io.mats3.impl.jms.JmsMatsStatics

EXTRA_GRACE_MILLIS, ILLEGAL_CALL_FLOWS, JMS_MSG_PROP_AUDIT, JMS_MSG_PROP_DISPATCH_TYPE, JMS_MSG_PROP_FROM, JMS_MSG_PROP_INITIALIZING_APP, JMS_MSG_PROP_INITIATOR_ID, JMS_MSG_PROP_MATS_MESSAGE_ID, JMS_MSG_PROP_MESSAGE_TYPE, JMS_MSG_PROP_TO, JMS_MSG_PROP_TRACE_ID, LOG_PREFIX, MAX_STACK_HEIGHT, MAX_TOTAL_CALL_NUMBER, MDC_MATS_APP_NAME, MDC_MATS_APP_VERSION, MDC_MATS_CALL_NUMBER, MDC_MATS_IN_MESSAGE_SYSTEM_ID, MDC_MATS_INIT, MDC_MATS_OUT_MATS_MESSAGE_ID, MDC_MATS_STAGE, MDC_MATS_STAGE_ID, MDC_MATS_STAGE_INDEX, MDC_TRACE_ID, NO_INVOCATION_POINT, RANDOM_ALPHABET, THREAD_PREFIX, TOTAL_JMS_MSG_PROPS_SIZE

Constructor Summary

Constructors

Constructor and Description
TransactionalContext_Jms(JmsMatsTransactionManager.JmsMatsTxContextKey txContextKey)

Method Summary

Modifier and Type	Method and Description
void	doTransaction(JmsMatsInternalExecutionContext internalExecutionContext, JmsMatsTransactionManager.ProcessingLambda lambda) Shall open relevant transactions (that are not already opened by means of JMS's "always in transaction" for transactional Connections), perform the provided lambda, and then commit the transactions (including the JMS Session).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.mats3.impl.jms.JmsMatsStatics

createFlowId, getInvocationPoint, handleIncomingMessageMatsObject, handleIncomingState, id, id, idThis, ms3, produceAndSendMsgSysMessages, randomString, setConcurrencyWithLog, stageOrInit

Field Detail

_txContextKey

protected final JmsMatsTransactionManager.JmsMatsTxContextKey _txContextKey

Constructor Detail

TransactionalContext_Jms

public TransactionalContext_Jms(JmsMatsTransactionManager.JmsMatsTxContextKey txContextKey)

Method Detail

doTransaction

public void doTransaction(JmsMatsInternalExecutionContext internalExecutionContext,
                          JmsMatsTransactionManager.ProcessingLambda lambda)
                   throws JmsMatsException.JmsMatsJmsException,
                          MatsEndpoint.MatsRefuseMessageException

Description copied from interface: JmsMatsTransactionManager.TransactionContext

Shall open relevant transactions (that are not already opened by means of JMS's "always in transaction" for transactional Connections), perform the provided lambda, and then commit the transactions (including the JMS Session).

If any Exception occurs when executing the provided lambda, then the transactions should be rolled back - but if it is the declared special MatsEndpoint.MatsRefuseMessageException, then the implementation should also try to ensure that the underlying JMS Message is not redelivered (no more retries), but instead put on the DLQ right away. (Beware of "sneaky throws": The JVM bytecode doesn't care whether a method declares an exception or not: It is possible to throw a checked exception form a method that doesn't declare it in several different ways. Groovy is nasty here (as effectively all Exceptions are unchecked in the Groovy world), and also google "sneakyThrows" for a way to do it using "pure java" that was invented with Generics.)

Specified by:

doTransaction in interface JmsMatsTransactionManager.TransactionContext

Parameters:

internalExecutionContext - holds, amongst possibly other stuff, the JmsMatsJmsSessionHandler.JmsSessionHolder instance which contains the JMS Session upon which this transaction should run. Gotten from JmsMatsJmsSessionHandler.getSessionHolder(JmsMatsStageProcessor) or JmsMatsJmsSessionHandler.getSessionHolder(JmsMatsInitiator).

lambda - the stuff that shall be done within transaction, i.e. the MatsStage or the MatsInitiator.

Throws:

JmsMatsException.JmsMatsJmsException

MatsEndpoint.MatsRefuseMessageException