com.caucho.hemp.servlet

Class ServerGatewayBroker

java.lang.Object

com.caucho.bam.broker.AbstractBrokerStream

com.caucho.bam.broker.AbstractBroker

com.caucho.hemp.servlet.ServerGatewayBroker

All Implemented Interfaces:

Broker, MessageStream

public class ServerGatewayBroker
extends AbstractBroker

Handles the requests to the server from the link, dispatching requests to the link service and the broker. The "from" is passed through unchanged because the caller is another server.

Constructor Summary

Constructors

Constructor and Description
ServerGatewayBroker(Broker broker, ClientStubManager clientManager, MessageStream linkActor)

Method Summary

Modifier and Type	Method and Description
void	close() Close the Broker
java.lang.String	getAddress() Returns the broker's address, i.e.
java.lang.String	getClientAddress()
boolean	isClosed() Returns true if the broker has been closed
void	message(java.lang.String to, java.lang.String from, java.io.Serializable payload) Sends a message to the link service if 'to' is null, else send it to the broker.
void	messageError(java.lang.String to, java.lang.String from, java.io.Serializable payload, BamError error) Handles a message
void	query(long id, java.lang.String to, java.lang.String from, java.io.Serializable payload) Handles a query.
void	queryError(long id, java.lang.String to, java.lang.String from, java.io.Serializable payload, BamError error) Handles a query error.
void	queryResult(long id, java.lang.String to, java.lang.String from, java.io.Serializable payload) Handles a query result.
java.lang.String	toString()

Methods inherited from class com.caucho.bam.broker.AbstractBroker

addMailbox, getBroker, getBrokerMailbox, getMailbox, getQueueFullHandler, removeMailbox, setQueueFullHandler

Methods inherited from class com.caucho.bam.broker.AbstractBrokerStream

getQueryErrorStream

Methods inherited from class java.lang.Object

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

Constructor Detail

ServerGatewayBroker

public ServerGatewayBroker(Broker broker,
                           ClientStubManager clientManager,
                           MessageStream linkActor)

Method Detail

getAddress

public java.lang.String getAddress()

Description copied from class: AbstractBroker

Returns the broker's address, i.e. the virtual host domain name.

Specified by:

getAddress in interface MessageStream

Overrides:

getAddress in class AbstractBroker

getClientAddress

public java.lang.String getClientAddress()

message

public void message(java.lang.String to,
                    java.lang.String from,
                    java.io.Serializable payload)

Sends a message to the link service if 'to' is null, else send it to the broker.

Specified by:

message in interface MessageStream

Overrides:

message in class AbstractBrokerStream

Parameters:

to - the target actor's address

from - the source actor's address

payload - the message payload

messageError

public void messageError(java.lang.String to,
                         java.lang.String from,
                         java.io.Serializable payload,
                         BamError error)

Handles a message

Specified by:

messageError in interface MessageStream

Overrides:

messageError in class AbstractBrokerStream

Parameters:

to - the target actor's address

from - the source actor's address

payload - the original message payload

error - the message error

query

public void query(long id,
                  java.lang.String to,
                  java.lang.String from,
                  java.io.Serializable payload)

Handles a query. The query handler must respond with either a QueryResult or a QueryError

Specified by:

query in interface MessageStream

Overrides:

query in class AbstractBrokerStream

Parameters:

id - the query identifier used to match requests with responses

to - the service actor's address

from - the client actor's address

payload - the query payload

queryResult

public void queryResult(long id,
                        java.lang.String to,
                        java.lang.String from,
                        java.io.Serializable payload)

Handles a query result. The result id will match a pending get or set.

Specified by:

queryResult in interface MessageStream

Overrides:

queryResult in class AbstractBrokerStream

Parameters:

id - the query identifier used to match requests with responses

to - the client actor's address

from - the service actor's address

payload - the result payload

queryError

public void queryError(long id,
                       java.lang.String to,
                       java.lang.String from,
                       java.io.Serializable payload,
                       BamError error)

Handles a query error. The result id will match a pending get or set.

Specified by:

queryError in interface MessageStream

Overrides:

queryError in class AbstractBrokerStream

Parameters:

id - the query identifier used to match requests with responses

to - the client actor's address

from - the service actor's address

payload - the result payload

error - additional error information

isClosed

public boolean isClosed()

Description copied from class: AbstractBroker

Returns true if the broker has been closed

Specified by:

isClosed in interface MessageStream

Overrides:

isClosed in class AbstractBroker

close

public void close()

Description copied from interface: Broker

Close the Broker

Specified by:

close in interface Broker

Overrides:

close in class AbstractBroker

toString

public java.lang.String toString()

Overrides:

toString in class AbstractBrokerStream