Package com.inductiveautomation.factorypmi.application.sqltags.system.client

Class PollingClientSystemTag

java.lang.Object

com.inductiveautomation.ignition.common.sqltags.tags.AbstractTag

com.inductiveautomation.factorypmi.application.sqltags.AbstractClientTag

com.inductiveautomation.factorypmi.application.sqltags.system.client.AbstractClientSystemTag

com.inductiveautomation.factorypmi.application.sqltags.system.client.PollingClientSystemTag

All Implemented Interfaces:

ClientTag, Diagnosable, MutableTag, Tag, TagNode, TagScriptMonitor, java.lang.Comparable<Tag>

Direct Known Subclasses:

ClientTimeTag, HostnameTag, IPAddressTag, SystemFlagsTag

public abstract class PollingClientSystemTag
extends AbstractClientSystemTag

Field Summary

Fields inherited from class com.inductiveautomation.factorypmi.application.sqltags.AbstractClientTag

appContext, deleted, LOGGER, name, pathContext

Fields inherited from class com.inductiveautomation.ignition.common.sqltags.tags.AbstractTag

accessRights, attributes, enabled, eventScripts, permissionModel, type

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	PollingClientSystemTag(java.lang.String name, DataType dataType, java.lang.Object value, int delay)

Method Summary

Modifier and Type	Method	Description
void	startBinding(VisionClientContext appContext, TagPath pathContext, TagChangeListener rootListener)	Starts any binding for the tag, such as an expression binding or a SQL query binding
void	stopBinding()	Stops any binding activities for this tag
protected abstract java.lang.Object	updateValue(java.lang.Object oldValue)	Called every polling interval.

Methods inherited from class com.inductiveautomation.factorypmi.application.sqltags.system.client.AbstractClientSystemTag

_setAttribute, _setValue, applyDiff, clone, getType, setAccessRights, setAttribute, setCurrentValue, setEnabled, setName

Methods inherited from class com.inductiveautomation.factorypmi.application.sqltags.AbstractClientTag

checkName, findChild, fireScriptEvent, fireTagChange, getAlarmStates, getAttribute, getChildren, getCurrentValue, getName, getPath, getValueRaw, hasPermission, isAlarmingSupported, notifyTagDeleted, onScriptError, onScriptSuccess, removeChild, sampleDiagnostics, setAlarmStates, setAlarmStates, setEventScripts, setTypeAndValue, setTypeAndValue, setTypeAndValue, transferState, updateRuntimeQuality

Methods inherited from class com.inductiveautomation.ignition.common.sqltags.tags.AbstractTag

addChild, coerceValue, compareTo, getAccessRights, getChild, getDataType, getEventScripts, getPermissionModel, getRawAttributes, isEnabled, main, setDataType, setPermissionModel, setRawAttributes, setValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.inductiveautomation.factorypmi.application.sqltags.ClientTag

addChild

Methods inherited from interface java.lang.Comparable

compareTo

Methods inherited from interface com.inductiveautomation.ignition.common.sqltags.model.MutableTag

setDataType

Methods inherited from interface com.inductiveautomation.ignition.common.sqltags.model.Tag

getAccessRights, getDataType, getEventScripts, getPermissionModel, isEnabled

Constructor Detail

PollingClientSystemTag

protected PollingClientSystemTag(java.lang.String name,
                                 DataType dataType,
                                 java.lang.Object value,
                                 int delay)

Method Detail

startBinding

public void startBinding(VisionClientContext appContext,
                         TagPath pathContext,
                         TagChangeListener rootListener)

Description copied from interface: ClientTag

Starts any binding for the tag, such as an expression binding or a SQL query binding

Specified by:

startBinding in interface ClientTag

Overrides:

startBinding in class AbstractClientTag

stopBinding

public void stopBinding()

Description copied from interface: ClientTag

Stops any binding activities for this tag

Specified by:

stopBinding in interface ClientTag

Overrides:

stopBinding in class AbstractClientTag

updateValue

protected abstract java.lang.Object updateValue(java.lang.Object oldValue)

Called every polling interval. Should return the new value for this polling tag. This will be called in a background thread.