com.softwareag.eda.nerv.nonosgi

Class NERVSingleton

java.lang.Object

com.softwareag.eda.nerv.nonosgi.NERVSingleton

public final class NERVSingleton
extends java.lang.Object

Method Summary

Methods

Modifier and Type	Method and Description
void	destroyAssets() Destroys all currently loaded NERV assets and related NERV objects.
org.apache.camel.Processor	getBodyExtractor()
ComponentResolver	getComponentResolver()
EventConsumer	getEventConsumer() Returns a fully initialized EventConsumer instance which can subscribe user specified Camel Processor implementations to the Event Bus.
EventEmitter	getEventEmitter() Returns a fully initialized EventEmitter instance which can emit EDA events wrapped in Camel Message objects to the Event Bus.
com.softwareag.eda.store.api.EDAEventTypeStore	getEventTypeStore() Returns an EDAEventTypeStore instance which is configured as specified in the NERV Configuration properties.
static NERVSingleton	getInstance() Returns the NERVSingleton instance
JmsSupport	getJmsSupport()
MessageCreator	getMessageCreator() Returns a fully initialized MessageCreator instance which can construct Camel Message objects out of user specified EDA events in various formats.
void	loadAssets(java.util.Properties props) Performs NERV initialization according to specified configuration properties.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static NERVSingleton getInstance()

Returns the NERVSingleton instance

Returns:

The NERVSingleton instance

loadAssets

public void loadAssets(java.util.Properties props)
                throws java.lang.Exception

Performs NERV initialization according to specified configuration properties. Default values are assigned for all configuration properties that are not specified except for the following:

• com.softwareag.eda.nerv.default.jms.provider - defines the default JMS provider which is used to connect to the Event Bus
• com.softwareag.eda.nerv.eventtypestore.location - contains the path to the Event Type Store location.
• com.softwareag.eda.nerv.configbundles.location - contains the path to a directory containing NERV configuration bundles
• com.softwareag.eda.nerv.dead.letter.channel.ur - specifies the location where NERV sends any undelivered events after the maximum number of redelivery attempts has been reached.

This method destroys all previously loaded NERV assets.

Parameters:

props - A NERV configuration properties object

Throws:

java.lang.Exception - If an error occurs during the process.

destroyAssets

public void destroyAssets()
                   throws java.lang.Exception

Destroys all currently loaded NERV assets and related NERV objects.

Throws:

java.lang.Exception

getEventEmitter

public EventEmitter getEventEmitter()
                             throws java.lang.Exception

Returns a fully initialized EventEmitter instance which can emit EDA events wrapped in Camel Message objects to the Event Bus.

Returns:

An EventEmitter

Throws:

java.lang.Exception

getEventConsumer

public EventConsumer getEventConsumer()
                               throws java.lang.Exception

Returns a fully initialized EventConsumer instance which can subscribe user specified Camel Processor implementations to the Event Bus.

Returns:

An EventConsumer

Throws:

java.lang.Exception

getMessageCreator

public MessageCreator getMessageCreator()
                                 throws java.lang.Exception

Returns a fully initialized MessageCreator instance which can construct Camel Message objects out of user specified EDA events in various formats.

Returns:

A MessageCreator

Throws:

java.lang.Exception

getEventTypeStore

public com.softwareag.eda.store.api.EDAEventTypeStore getEventTypeStore()
                                                                 throws java.lang.Exception

Returns an EDAEventTypeStore instance which is configured as specified in the NERV Configuration properties.

Returns:

Throws:

java.lang.Exception - when the com.softwareag.eda.nerv.eventtypestore.location property is configured properly

getComponentResolver

public ComponentResolver getComponentResolver()
                                       throws java.lang.Exception

Throws:

java.lang.Exception

getJmsSupport

public JmsSupport getJmsSupport()
                         throws java.lang.Exception

Throws:

java.lang.Exception

getBodyExtractor

public org.apache.camel.Processor getBodyExtractor()
                                            throws java.lang.Exception

Throws:

java.lang.Exception