de.aristaflow.adept2.core.eventmanager.dbevents

Class ReadOnlyRSEventSource

java.lang.Object

de.aristaflow.adept2.core.eventmanager.common.AbstractEventSource<ResultSetEvent>

de.aristaflow.adept2.core.eventmanager.dbevents.DBEventSource

de.aristaflow.adept2.core.eventmanager.dbevents.ReadOnlyRSEventSource

All Implemented Interfaces:

EventSource<ResultSetEvent>, PollingSource<ResultSetEvent>, ResultSetSource, java.lang.Runnable

public class ReadOnlyRSEventSource
extends DBEventSource

A source for events based on SQL statements creating result sets that are read only and do not support updating. This is required for some databases/JDBC drivers that do not support updating via a result set.

Author:

Ulrich Kreher

Field Summary

Fields inherited from class de.aristaflow.adept2.core.eventmanager.dbevents.DBEventSource

dataSource, eventManager, jdbcConnectionURL, jdbcDriver, jdbcPassword, jdbcUserName, notifyEmptyOnly, pollTime, selectStatement, startTime

Fields inherited from class de.aristaflow.adept2.core.eventmanager.common.AbstractEventSource

eventType, handlerList, id, lock, logger, sourceType, thread, threadLock

Fields inherited from interface de.aristaflow.adept2.model.events.sources.PollingSource

CONF_POLL_TIME, CONF_START_TIME

Fields inherited from interface de.aristaflow.adept2.model.events.sources.ResultSetSource

CONF_DATA_SOURCE_NAME, CONF_JDBC_CONNECTION_URL, CONF_JDBC_DRIVER, CONF_JDBC_PASSWORD, CONF_JDBC_USER_NAME, CONF_NOTIFY_EMPTY_ONLY, CONF_SELECT_STATEMENT

Constructor Summary

Constructors

Constructor and Description
ReadOnlyRSEventSource(Configuration conf, DefaultEventManager eventManager, Registry registry) Default constructor for a plugin of the DefaultEventManager called by a service registry.

Method Summary

Modifier and Type	Method and Description
void	checkForAndHandleEvent() Checks for an event and handles it (usually by using AbstractEventSource.forwardEvent(Event, boolean, boolean)).

Methods inherited from class de.aristaflow.adept2.core.eventmanager.dbevents.DBEventSource

createResultSetEvent, getPollTime, getStartTime, init, nextHandler, setConfiguration, setConfiguration, terminate, verifyConfigurationValues

Methods inherited from class de.aristaflow.adept2.core.eventmanager.common.AbstractEventSource

addAll, addedHandlerLocked, addedHandlerLocked, addHandler, createPattern, forwardEvent, getEventHandler, getHierarchicalSourceName, getID, getType, maskedInterrupt, maskInterrupt, removeHandler, removingHandlerLocked, replaceValueParams, run, unmaskInterrupt

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.aristaflow.adept2.model.events.sources.EventSource

addAll, addHandler, getEventHandler, getHierarchicalSourceName, getID, getType, removeHandler

Methods inherited from interface java.lang.Runnable

run

Constructor Detail

ReadOnlyRSEventSource

public ReadOnlyRSEventSource(Configuration conf,
                             DefaultEventManager eventManager,
                             Registry registry)
                      throws ConfigurationException

Default constructor for a plugin of the DefaultEventManager called by a service registry.

This just forwards to the constructor of the superclass.

Parameters:

conf - The configuration as provided from the registry.

eventManager - The event manager this event source is a plugin of.

registry - The registry of this plugin.

Throws:

ConfigurationException - If the configuration is not valid for a ResultSetSource, a ConfigurationException will be thrown.

Method Detail

checkForAndHandleEvent

public void checkForAndHandleEvent()

Description copied from class: AbstractEventSource

Checks for an event and handles it (usually by using AbstractEventSource.forwardEvent(Event, boolean, boolean)).

Overrides:

checkForAndHandleEvent in class DBEventSource