Package com.inductiveautomation.perspective.gateway.binding.expression.structure

Class ExpressionStructure

java.lang.Object

com.inductiveautomation.perspective.gateway.binding.expression.structure.ExpressionStructure

public abstract class ExpressionStructure
extends Object

Constructor Summary

Constructors

Constructor	Description
ExpressionStructure(com.inductiveautomation.ignition.common.gson.JsonElement struct, PerspectiveExpressionFactory expressionFactory, BindingContext context, boolean waitOnAll, boolean waitOnInitialValue)

Method Summary

Modifier and Type	Method	Description
abstract Object	getLock()
boolean	isDirty()	Returns true when one or more mappings have "dirty" values that haven't been consumed by an execution.
boolean	isReady()	Returns true when all mappings have received valid values
QualifiedValue	read()
Collection<PropertyReference>	resolveReferences()
abstract void	scheduleNow()
void	shutdown()
void	startup()

Methods inherited from class java.lang.Object

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

Constructor Details

ExpressionStructure

public ExpressionStructure(com.inductiveautomation.ignition.common.gson.JsonElement struct,
 PerspectiveExpressionFactory expressionFactory,
 BindingContext context,
 boolean waitOnAll,
 boolean waitOnInitialValue)

Method Details

getLock

public abstract Object getLock()

scheduleNow

public abstract void scheduleNow()

read

public QualifiedValue read()

resolveReferences

public Collection<PropertyReference> resolveReferences()

startup

public void startup()

shutdown

public void shutdown()

isReady

public boolean isReady()

Returns true when all mappings have received valid values

isDirty

public boolean isDirty()

Returns true when one or more mappings have "dirty" values that haven't been consumed by an execution.