org.codehaus.activemq.broker.impl
Class DefaultBroker

java.lang.Object
  org.codehaus.activemq.capacity.DelegateCapacityMonitor
      org.codehaus.activemq.broker.impl.DefaultBroker

All Implemented Interfaces:

Broker, CapacityMonitor, Service

public class DefaultBroker

extends DelegateCapacityMonitor

implements Broker

The default Broker implementation

Version:

$Revision: 1.11 $

Nested Class Summary

Nested classes inherited from class org.codehaus.activemq.capacity.CapacityMonitor

CapacityMonitor.BasicCapacityMonitor

Field Summary

protected static java.lang.Class[]	NEWINSTANCE_PARAMETER_TYPES
protected static java.lang.String	PERSISTENCE_ADAPTER_PROPERTY
protected static java.lang.String	PROPERTY_STORE_DIRECTORY

Fields inherited from class org.codehaus.activemq.capacity.DelegateCapacityMonitor

Constructor Summary

DefaultBroker(java.lang.String brokerName)

DefaultBroker(java.lang.String brokerName, PersistenceAdapter persistenceAdapter)

Method Summary

void	acknowledgeMessage(BrokerClient client, MessageAck ack) Acknowledge consumption of a message by the Message Consumer
void	acknowledgeTransactedMessage(BrokerClient client, java.lang.String transactionId, MessageAck ack) Acknowledge consumption of a message within a transaction
void	addMessageConsumer(BrokerClient client, ConsumerInfo info) Add an active message consumer
protected void	checkValid()
void	cleanUpClient(BrokerClient client) A hint to the broker that an BrokerClient has stopped This enables the broker to clean-up any outstanding processing that may be outstanding
void	commitTransaction(BrokerClient client, ActiveMQXid xid, boolean onePhase) Commit an XA Transaction.
void	commitTransaction(BrokerClient client, java.lang.String transactionId) commit a transaction
protected MessageContainerManager[]	createContainerManagers() Factory method to create the default container managers
protected JMSException	createInstantiateAdapterException(java.lang.Class adapterClass, java.lang.Throwable e)
protected PersistenceAdapter	createPersistenceAdapter() Factory method to create a default persistence adapter
void	deleteSubscription(java.lang.String clientId, java.lang.String subscriberName) Delete a durable subscriber
java.lang.String	getBrokerName()
MessageContainerManager[]	getContainerManagers()
long	getMaximumMemoryUsage()
PersistenceAdapter	getPersistenceAdapter()
ActiveMQXid[]	getPreparedTransactions(BrokerClient client) Gets the prepared XA transactions.
PreparedTransactionStore	getPreparedTransactionStore()
protected java.lang.String	getStoreDirectory()
java.io.File	getTempDir() Get a temp directory - used for spooling
TransactionManager	getTransactionManager()
protected java.lang.Class	loadClass(java.lang.String name, boolean ignoreErrors) Tries to load the given class from the current context class loader or class loader which loaded us or return null if the class could not be found
int	prepareTransaction(BrokerClient client, ActiveMQXid xid) Prepares an XA Transaciton.
void	redeliverMessage(BrokerClient client, MessageAck ack) Called after a rollback of a JMS transaction to redeliver the message to the consumers dispatch queue
void	removeMessageConsumer(BrokerClient client, ConsumerInfo info) remove an active message consumer
void	rollbackTransaction(BrokerClient client, ActiveMQXid xid) Rollback an XA Transaction.
void	rollbackTransaction(BrokerClient client, java.lang.String transactionId) rollback a transaction
void	sendMessage(BrokerClient client, ActiveMQMessage message) send a message to the broker
void	sendTransactedMessage(BrokerClient client, java.lang.String transactionId, ActiveMQMessage message) send a message to the broker within a transaction
void	setContainerManagers(MessageContainerManager[] containerManagers)
void	setMaximumMemoryUsage(long maximumMemoryUsage)
void	setPersistenceAdapter(PersistenceAdapter persistenceAdapter)
void	setPreparedTransactionStore(PreparedTransactionStore preparedTransactionStore)
void	setTempDir(java.io.File tempDir)
void	setTransactionManager(TransactionManager transactionManager)
void	start() Start this Service
void	startTransaction(BrokerClient client, ActiveMQXid xid) Starts an XA Transaction.
void	startTransaction(BrokerClient client, java.lang.String transactionId) Start a transaction.
void	stop() stop this Service
protected PersistenceAdapter	tryCreatePersistenceAdapter(java.lang.String className, java.io.File directory, boolean ignoreErrors)
protected void	validateConsumer(ConsumerInfo info) Ensures the consumer is valid, throwing a meaningful exception if not

Methods inherited from class org.codehaus.activemq.capacity.DelegateCapacityMonitor

addCapacityEventListener, getCurrentCapacity, getCurrentValue, getName, getRoundedCapacity, getRoundingFactor, getValueLimit, removeCapacityEventListener, setCurrentValue, setDelegate, setName, setRoundingFactor, setValueLimit

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.codehaus.activemq.capacity.CapacityMonitor

addCapacityEventListener, getCurrentCapacity, getCurrentValue, getName, getRoundedCapacity, getRoundingFactor, getValueLimit, removeCapacityEventListener, setCurrentValue, setName, setRoundingFactor, setValueLimit

Field Detail

PROPERTY_STORE_DIRECTORY

protected static final java.lang.String PROPERTY_STORE_DIRECTORY

See Also:

Constant Field Values

PERSISTENCE_ADAPTER_PROPERTY

protected static final java.lang.String PERSISTENCE_ADAPTER_PROPERTY

See Also:

Constant Field Values

NEWINSTANCE_PARAMETER_TYPES

protected static final java.lang.Class[] NEWINSTANCE_PARAMETER_TYPES

Constructor Detail

DefaultBroker

public DefaultBroker(java.lang.String brokerName)

DefaultBroker

public DefaultBroker(java.lang.String brokerName,
                     PersistenceAdapter persistenceAdapter)

Method Detail

start

public void start()
           throws JMSException

Start this Service

Specified by:

start in interface Service

Throws:

JMSException

stop

public void stop()
          throws JMSException

stop this Service

Specified by:

stop in interface Service

Throws:

JMSException

acknowledgeMessage

public void acknowledgeMessage(BrokerClient client,
                               MessageAck ack)
                        throws JMSException

Acknowledge consumption of a message by the Message Consumer

Specified by:

acknowledgeMessage in interface Broker

Parameters:

client -

ack -

Throws:

JMSException

acknowledgeTransactedMessage

public void acknowledgeTransactedMessage(BrokerClient client,
                                         java.lang.String transactionId,
                                         MessageAck ack)
                                  throws JMSException

Acknowledge consumption of a message within a transaction

Specified by:

acknowledgeTransactedMessage in interface Broker

Parameters:

client -

transactionId -

ack -

Throws:

JMSException

sendMessage

public void sendMessage(BrokerClient client,
                        ActiveMQMessage message)
                 throws JMSException

send a message to the broker

Specified by:

sendMessage in interface Broker

Parameters:

client -

message -

Throws:

JMSException

sendTransactedMessage

public void sendTransactedMessage(BrokerClient client,
                                  java.lang.String transactionId,
                                  ActiveMQMessage message)
                           throws JMSException

send a message to the broker within a transaction

Specified by:

sendTransactedMessage in interface Broker

Parameters:

client -

transactionId -

message -

Throws:

JMSException

addMessageConsumer

public void addMessageConsumer(BrokerClient client,
                               ConsumerInfo info)
                        throws JMSException

Add an active message consumer

Specified by:

addMessageConsumer in interface Broker

Parameters:

client -

info -

Throws:

JMSException

removeMessageConsumer

public void removeMessageConsumer(BrokerClient client,
                                  ConsumerInfo info)
                           throws JMSException

remove an active message consumer

Specified by:

removeMessageConsumer in interface Broker

Parameters:

client -

info -

Throws:

JMSException

redeliverMessage

public void redeliverMessage(BrokerClient client,
                             MessageAck ack)
                      throws JMSException

Description copied from interface: Broker

Called after a rollback of a JMS transaction to redeliver the message to the consumers dispatch queue

Specified by:

redeliverMessage in interface Broker

Parameters:

client -

ack -

Throws:

JMSException

deleteSubscription

public void deleteSubscription(java.lang.String clientId,
                               java.lang.String subscriberName)
                        throws JMSException

Delete a durable subscriber

Specified by:

deleteSubscription in interface Broker

Parameters:

clientId -

subscriberName -

Throws:

JMSException - if the subscriber doesn't exist or is still active

startTransaction

public void startTransaction(BrokerClient client,
                             java.lang.String transactionId)
                      throws JMSException

Start a transaction.

Specified by:

startTransaction in interface Broker

Parameters:

client -

transactionId -

Throws:

JMSException

See Also:

Broker.startTransaction(org.codehaus.activemq.broker.BrokerClient, java.lang.String)

commitTransaction

public void commitTransaction(BrokerClient client,
                              java.lang.String transactionId)
                       throws JMSException

commit a transaction

Specified by:

commitTransaction in interface Broker

Parameters:

client -

transactionId -

Throws:

JMSException

rollbackTransaction

public void rollbackTransaction(BrokerClient client,
                                java.lang.String transactionId)
                         throws JMSException

rollback a transaction

Specified by:

rollbackTransaction in interface Broker

Parameters:

client -

transactionId -

Throws:

JMSException

startTransaction

public void startTransaction(BrokerClient client,
                             ActiveMQXid xid)
                      throws XAException

Starts an XA Transaction.

Specified by:

startTransaction in interface Broker

Parameters:

client -

xid -

Throws:

XAException

See Also:

Broker.startTransaction(org.codehaus.activemq.broker.BrokerClient, org.codehaus.activemq.message.ActiveMQXid)

prepareTransaction

public int prepareTransaction(BrokerClient client,
                              ActiveMQXid xid)
                       throws XAException

Prepares an XA Transaciton.

Specified by:

prepareTransaction in interface Broker

Parameters:

client -

xid -

Throws:

XAException

See Also:

Broker.prepareTransaction(org.codehaus.activemq.broker.BrokerClient, org.codehaus.activemq.message.ActiveMQXid)

rollbackTransaction

public void rollbackTransaction(BrokerClient client,
                                ActiveMQXid xid)
                         throws XAException

Rollback an XA Transaction.

Specified by:

rollbackTransaction in interface Broker

Parameters:

client -

xid -

Throws:

XAException

See Also:

Broker.rollbackTransaction(org.codehaus.activemq.broker.BrokerClient, org.codehaus.activemq.message.ActiveMQXid)

commitTransaction

public void commitTransaction(BrokerClient client,
                              ActiveMQXid xid,
                              boolean onePhase)
                       throws XAException

Commit an XA Transaction.

Specified by:

commitTransaction in interface Broker

Parameters:

client -

xid -

onePhase -

Throws:

XAException

See Also:

Broker.commitTransaction(org.codehaus.activemq.broker.BrokerClient, org.codehaus.activemq.message.ActiveMQXid, boolean)

cleanUpClient

public void cleanUpClient(BrokerClient client)
                   throws JMSException

A hint to the broker that an BrokerClient has stopped This enables the broker to clean-up any outstanding processing that may be outstanding

Specified by:

cleanUpClient in interface Broker

Parameters:

client -

Throws:

JMSException

getPreparedTransactions

public ActiveMQXid[] getPreparedTransactions(BrokerClient client)
                                      throws XAException

Gets the prepared XA transactions.

Specified by:

getPreparedTransactions in interface Broker

Parameters:

client -

Throws:

XAException

See Also:

Broker.getPreparedTransactions(org.codehaus.activemq.broker.BrokerClient)

getTempDir

public java.io.File getTempDir()

Get a temp directory - used for spooling

Specified by:

getTempDir in interface Broker

Returns:

a File ptr to the directory

getBrokerName

public java.lang.String getBrokerName()

Specified by:

getBrokerName in interface Broker

setTempDir

public void setTempDir(java.io.File tempDir)

getContainerManagers

public MessageContainerManager[] getContainerManagers()

setContainerManagers

public void setContainerManagers(MessageContainerManager[] containerManagers)

getPersistenceAdapter

public PersistenceAdapter getPersistenceAdapter()

Specified by:

getPersistenceAdapter in interface Broker

setPersistenceAdapter

public void setPersistenceAdapter(PersistenceAdapter persistenceAdapter)

Specified by:

setPersistenceAdapter in interface Broker

getTransactionManager

public TransactionManager getTransactionManager()

setTransactionManager

public void setTransactionManager(TransactionManager transactionManager)

getPreparedTransactionStore

public PreparedTransactionStore getPreparedTransactionStore()

setPreparedTransactionStore

public void setPreparedTransactionStore(PreparedTransactionStore preparedTransactionStore)

getMaximumMemoryUsage

public long getMaximumMemoryUsage()

Returns:

Returns the maximumMemoryUsage.

setMaximumMemoryUsage

public void setMaximumMemoryUsage(long maximumMemoryUsage)

Parameters:

maximumMemoryUsage - The maximumMemoryUsage to set.

createPersistenceAdapter

protected PersistenceAdapter createPersistenceAdapter()
                                               throws JMSException

Factory method to create a default persistence adapter

Returns:

Throws:

JMSException

tryCreatePersistenceAdapter

protected PersistenceAdapter tryCreatePersistenceAdapter(java.lang.String className,
                                                         java.io.File directory,
                                                         boolean ignoreErrors)
                                                  throws JMSException

Throws:

JMSException

createInstantiateAdapterException

protected JMSException createInstantiateAdapterException(java.lang.Class adapterClass,
                                                         java.lang.Throwable e)

loadClass

protected java.lang.Class loadClass(java.lang.String name,
                                    boolean ignoreErrors)
                             throws JMSException

Tries to load the given class from the current context class loader or class loader which loaded us or return null if the class could not be found

Throws:

JMSException

getStoreDirectory

protected java.lang.String getStoreDirectory()

createContainerManagers

protected MessageContainerManager[] createContainerManagers()

Factory method to create the default container managers

Returns:

validateConsumer

protected void validateConsumer(ConsumerInfo info)
                         throws JMSException

Ensures the consumer is valid, throwing a meaningful exception if not

Parameters:

info -

Throws:

JMSException

checkValid

protected void checkValid()
                   throws JMSException

Throws:

JMSException