org.wso2.carbon.databridge.core

Class DataBridge

java.lang.Object

org.wso2.carbon.databridge.core.DataBridge

All Implemented Interfaces:

DataBridgeReceiverService, DataBridgeSubscriberService, StreamDefinitionStore

public class DataBridge
extends Object
implements DataBridgeSubscriberService, DataBridgeReceiverService

this class represents as the interface between the agent server and agent server implementations.

Constructor Summary

Constructors

Constructor and Description
DataBridge(AuthenticationHandler authenticationHandler, AbstractStreamDefinitionStore streamDefinitionStore, DataBridgeConfiguration dataBridgeConfiguration)
DataBridge(AuthenticationHandler authenticationHandler, AbstractStreamDefinitionStore streamDefinitionStore, String dataBridgeConfigPath)

Method Summary

Methods

Modifier and Type	Method and Description
String	defineStream(String sessionId, String streamDefinition)
String	defineStream(String sessionId, String streamDefinition, String indexDefinition)
boolean	deleteStream(String sessionId, String streamId)
boolean	deleteStream(String sessionId, String streamName, String streamVersion)
boolean	deleteStreamDefinition(String streamName, String streamVersion, int tenantId)
String	findStreamId(String sessionId, String streamName, String streamVersion)
List<org.wso2.carbon.databridge.commons.StreamDefinition>	getAllStreamDefinitions(int tenantId)
List<org.wso2.carbon.databridge.commons.StreamDefinition>	getAllStreamDefinitions(String sessionId)
DataBridgeConfiguration	getInitialConfig()
List<RawDataAgentCallback>	getRawDataSubscribers()
org.wso2.carbon.databridge.commons.StreamDefinition	getStreamDefinition(String streamId, int tenantId)
org.wso2.carbon.databridge.commons.StreamDefinition	getStreamDefinition(String streamName, String streamVersion, int tenantId)
org.wso2.carbon.databridge.commons.StreamDefinition	getStreamDefinition(String sessionId, String streamName, String streamVersion)
List<AgentCallback>	getSubscribers()
String	login(String username, String password)
void	logout(String sessionId)
void	publish(Object eventBundle, String sessionId, EventConverter eventConverter)
void	saveStreamDefinition(org.wso2.carbon.databridge.commons.StreamDefinition streamDefinition, int tenantId)
void	saveStreamDefinition(String sessionId, org.wso2.carbon.databridge.commons.StreamDefinition streamDefinition)
void	setInitialConfig(DataBridgeConfiguration initialConfig)
void	subscribe(AgentCallback agentCallback) CEP/BAM can subscribe for Event Streams
void	subscribe(RawDataAgentCallback agentCallback) CEP/BAM can subscribe for Raw Event Streams
void	subscribe(StreamAddRemoveListener streamAddRemoveListener)
void	unsubscribe(StreamAddRemoveListener streamAddRemoveListener)

Methods inherited from class java.lang.Object

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

Constructor Detail

DataBridge

public DataBridge(AuthenticationHandler authenticationHandler,
          AbstractStreamDefinitionStore streamDefinitionStore,
          DataBridgeConfiguration dataBridgeConfiguration)

DataBridge

public DataBridge(AuthenticationHandler authenticationHandler,
          AbstractStreamDefinitionStore streamDefinitionStore,
          String dataBridgeConfigPath)

Method Detail

defineStream

public String defineStream(String sessionId,
                  String streamDefinition)
                    throws org.wso2.carbon.databridge.commons.exception.DifferentStreamDefinitionAlreadyDefinedException,
                           org.wso2.carbon.databridge.commons.exception.MalformedStreamDefinitionException,
                           org.wso2.carbon.databridge.commons.exception.SessionTimeoutException

Specified by:

defineStream in interface DataBridgeReceiverService

Throws:

org.wso2.carbon.databridge.commons.exception.DifferentStreamDefinitionAlreadyDefinedException

org.wso2.carbon.databridge.commons.exception.MalformedStreamDefinitionException

org.wso2.carbon.databridge.commons.exception.SessionTimeoutException

defineStream

public String defineStream(String sessionId,
                  String streamDefinition,
                  String indexDefinition)
                    throws org.wso2.carbon.databridge.commons.exception.DifferentStreamDefinitionAlreadyDefinedException,
                           org.wso2.carbon.databridge.commons.exception.MalformedStreamDefinitionException,
                           org.wso2.carbon.databridge.commons.exception.SessionTimeoutException

Specified by:

defineStream in interface DataBridgeReceiverService

Throws:

org.wso2.carbon.databridge.commons.exception.DifferentStreamDefinitionAlreadyDefinedException

org.wso2.carbon.databridge.commons.exception.MalformedStreamDefinitionException

org.wso2.carbon.databridge.commons.exception.SessionTimeoutException

findStreamId

public String findStreamId(String sessionId,
                  String streamName,
                  String streamVersion)
                    throws org.wso2.carbon.databridge.commons.exception.SessionTimeoutException

Specified by:

findStreamId in interface DataBridgeReceiverService

Throws:

org.wso2.carbon.databridge.commons.exception.SessionTimeoutException

deleteStream

public boolean deleteStream(String sessionId,
                   String streamId)
                     throws org.wso2.carbon.databridge.commons.exception.SessionTimeoutException

Specified by:

deleteStream in interface DataBridgeReceiverService

Throws:

org.wso2.carbon.databridge.commons.exception.SessionTimeoutException

deleteStream

public boolean deleteStream(String sessionId,
                   String streamName,
                   String streamVersion)
                     throws org.wso2.carbon.databridge.commons.exception.SessionTimeoutException

Specified by:

deleteStream in interface DataBridgeReceiverService

Throws:

org.wso2.carbon.databridge.commons.exception.SessionTimeoutException

publish

public void publish(Object eventBundle,
           String sessionId,
           EventConverter eventConverter)
             throws org.wso2.carbon.databridge.commons.exception.UndefinedEventTypeException,
                    org.wso2.carbon.databridge.commons.exception.SessionTimeoutException

Specified by:

publish in interface DataBridgeReceiverService

Throws:

org.wso2.carbon.databridge.commons.exception.UndefinedEventTypeException

org.wso2.carbon.databridge.commons.exception.SessionTimeoutException

login

public String login(String username,
           String password)
             throws org.wso2.carbon.databridge.commons.exception.AuthenticationException

Specified by:

login in interface DataBridgeReceiverService

Throws:

org.wso2.carbon.databridge.commons.exception.AuthenticationException

logout

public void logout(String sessionId)
            throws Exception

Specified by:

logout in interface DataBridgeReceiverService

Throws:

Exception

getInitialConfig

public DataBridgeConfiguration getInitialConfig()

Specified by:

getInitialConfig in interface DataBridgeReceiverService

setInitialConfig

public void setInitialConfig(DataBridgeConfiguration initialConfig)

subscribe

public void subscribe(AgentCallback agentCallback)

CEP/BAM can subscribe for Event Streams

Specified by:

subscribe in interface DataBridgeSubscriberService

Parameters:

agentCallback - callbacks of the subscribers

subscribe

public void subscribe(RawDataAgentCallback agentCallback)

CEP/BAM can subscribe for Raw Event Streams

Specified by:

subscribe in interface DataBridgeSubscriberService

Parameters:

agentCallback - callbacks of the subscribers

getStreamDefinition

public org.wso2.carbon.databridge.commons.StreamDefinition getStreamDefinition(String sessionId,
                                                                      String streamName,
                                                                      String streamVersion)
                                                                        throws org.wso2.carbon.databridge.commons.exception.SessionTimeoutException,
                                                                               StreamDefinitionNotFoundException,
                                                                               StreamDefinitionStoreException

Specified by:

getStreamDefinition in interface DataBridgeReceiverService

Throws:

org.wso2.carbon.databridge.commons.exception.SessionTimeoutException

StreamDefinitionNotFoundException

StreamDefinitionStoreException

getAllStreamDefinitions

public List<org.wso2.carbon.databridge.commons.StreamDefinition> getAllStreamDefinitions(String sessionId)
                                                                                  throws org.wso2.carbon.databridge.commons.exception.SessionTimeoutException

Specified by:

getAllStreamDefinitions in interface DataBridgeReceiverService

Throws:

org.wso2.carbon.databridge.commons.exception.SessionTimeoutException

saveStreamDefinition

public void saveStreamDefinition(String sessionId,
                        org.wso2.carbon.databridge.commons.StreamDefinition streamDefinition)
                          throws org.wso2.carbon.databridge.commons.exception.SessionTimeoutException,
                                 StreamDefinitionStoreException,
                                 org.wso2.carbon.databridge.commons.exception.DifferentStreamDefinitionAlreadyDefinedException

Specified by:

saveStreamDefinition in interface DataBridgeReceiverService

Throws:

org.wso2.carbon.databridge.commons.exception.SessionTimeoutException

StreamDefinitionStoreException

org.wso2.carbon.databridge.commons.exception.DifferentStreamDefinitionAlreadyDefinedException

getStreamDefinition

public org.wso2.carbon.databridge.commons.StreamDefinition getStreamDefinition(String streamName,
                                                                      String streamVersion,
                                                                      int tenantId)
                                                                        throws StreamDefinitionNotFoundException,
                                                                               StreamDefinitionStoreException

Specified by:

getStreamDefinition in interface StreamDefinitionStore

Throws:

StreamDefinitionNotFoundException

StreamDefinitionStoreException

getStreamDefinition

public org.wso2.carbon.databridge.commons.StreamDefinition getStreamDefinition(String streamId,
                                                                      int tenantId)
                                                                        throws StreamDefinitionNotFoundException,
                                                                               StreamDefinitionStoreException

Specified by:

getStreamDefinition in interface StreamDefinitionStore

Throws:

StreamDefinitionNotFoundException

StreamDefinitionStoreException

getAllStreamDefinitions

public List<org.wso2.carbon.databridge.commons.StreamDefinition> getAllStreamDefinitions(int tenantId)

Specified by:

getAllStreamDefinitions in interface StreamDefinitionStore

saveStreamDefinition

public void saveStreamDefinition(org.wso2.carbon.databridge.commons.StreamDefinition streamDefinition,
                        int tenantId)
                          throws org.wso2.carbon.databridge.commons.exception.DifferentStreamDefinitionAlreadyDefinedException,
                                 StreamDefinitionStoreException

Specified by:

saveStreamDefinition in interface StreamDefinitionStore

Throws:

org.wso2.carbon.databridge.commons.exception.DifferentStreamDefinitionAlreadyDefinedException

StreamDefinitionStoreException

deleteStreamDefinition

public boolean deleteStreamDefinition(String streamName,
                             String streamVersion,
                             int tenantId)

Specified by:

deleteStreamDefinition in interface StreamDefinitionStore

getSubscribers

public List<AgentCallback> getSubscribers()

Specified by:

getSubscribers in interface DataBridgeSubscriberService

getRawDataSubscribers

public List<RawDataAgentCallback> getRawDataSubscribers()

Specified by:

getRawDataSubscribers in interface DataBridgeSubscriberService

subscribe

public void subscribe(StreamAddRemoveListener streamAddRemoveListener)

Specified by:

subscribe in interface DataBridgeReceiverService

Specified by:

subscribe in interface StreamDefinitionStore

unsubscribe

public void unsubscribe(StreamAddRemoveListener streamAddRemoveListener)

Specified by:

unsubscribe in interface DataBridgeReceiverService

Specified by:

unsubscribe in interface StreamDefinitionStore