Package org.scictrl.csshell.epics.server.application

Class ArrayBufferApplication

java.lang.Object

org.scictrl.csshell.epics.server.application.AbstractApplication

org.scictrl.csshell.epics.server.application.ArrayBufferApplication

All Implemented Interfaces:

Application, OnDemandValueProcessor.ValueProvider

public class ArrayBufferApplication
extends AbstractApplication

Stores last N values of array in ring-buffer kind of store. If trigger PV goes to 1, it locks itself, therfore state is frozen and no new updates are updating ring buffer. If reset PV goes to 1, it resets the loc and again accepts updates to the ring buffer.

Author:

igor@scictrl.com

Field Summary

Fields inherited from class org.scictrl.csshell.epics.server.application.AbstractApplication

database, DEFAULT_NAME_DELIMITER, dynamicRecordCreator, ERROR_SUM, LINK_ERROR, LINK_ERROR_STRING, links, log, name, NAME_DELIMITER, nameDelimiter, records

Constructor Summary

Constructors

Constructor	Description
ArrayBufferApplication()	Constructor for ArrayBufferApplication.

Method Summary

Modifier and Type	Method	Description
void	configure(String name, org.apache.commons.configuration.HierarchicalConfiguration config)	Configures the internals of this application, provides reference to configuration with root inside applications tag.
protected void	notifyLinkChange(String name)	This method is called whenever record value changed for any record, which belongs to this application (it was added to the application AbstractApplication.addRecord(String, Record)).

Methods inherited from class org.scictrl.csshell.epics.server.application.AbstractApplication

activate, addRecord, addRecordOfCommandProcessor, addRecordOfMemoryValueProcessor, addRecordOfMemoryValueProcessor, addRecordOfMemoryValueProcessor, addRecordOfMemoryValueProcessor, addRecordOfMemoryValueProcessor, addRecordOfMemoryValueProcessor, addRecordOfMemoryValueProcessor, addRecordOfMemoryValueProcessor, addRecordOfMemoryValueProcessor, addRecordOfOnDemandProcessor, addRecordOfOnLinkValueProcessor, configure, connectLinks, createNewStore, fullRecordName, getLinks, getName, getNameDelimiter, getNotNull, getRecord, getRecordErrorSum, getRecordLinkError, getRecordNames, getRecords, getStore, getStore, getValue, initialize, isActivated, isDynamicRecordCreator, log4debug, log4error, log4error, log4info, notifyRecordChange, notifyRecordWrite, processLinkChange, pushDoneCommandProcessor, reconnectLinks, resetOnDemandProcessor, restore, store, toString, updateErrorSum, updateErrorSum, updateLinkError, updateLinkError

Methods inherited from class java.lang.Object

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

Constructor Details

ArrayBufferApplication

public ArrayBufferApplication()

Constructor for ArrayBufferApplication.

Method Details

configure

public void configure(String name,
 org.apache.commons.configuration.HierarchicalConfiguration config)

Configures the internals of this application, provides reference to configuration with root inside applications tag. Server structure is not yet initialized, so does not have reference to Database, the Database reference will be available during activate call.

Specified by:

configure in interface Application

Overrides:

configure in class AbstractApplication

Parameters:

name - a String object

config - configuration with room inside application tag.

notifyLinkChange

protected void notifyLinkChange(String name)

This method is called whenever record value changed for any record, which belongs to this application (it was added to the application AbstractApplication.addRecord(String, Record)). Implementation class should override this method to intercept the update.

Overrides:

notifyLinkChange in class AbstractApplication

Parameters:

name - the name of record, that triggered change.