Package com.inductiveautomation.ignition.common.expressions

Class DefaultFunctionFactory.QualifiedValueFunction

java.lang.Object

com.inductiveautomation.ignition.common.expressions.functions.BaseFunction

com.inductiveautomation.ignition.common.expressions.functions.AbstractFunction

com.inductiveautomation.ignition.common.expressions.DefaultFunctionFactory.QualifiedValueFunction

All Implemented Interfaces:

Function

Enclosing class:

DefaultFunctionFactory

public static class DefaultFunctionFactory.QualifiedValueFunction
extends AbstractFunction

Constructor Summary

Constructors

Constructor	Description
QualifiedValueFunction()

Method Summary

Modifier and Type	Method	Description
Function	copy()	Returns this.
QualifiedValue	execute(Expression[] args)	Execute this function, and return the function's qualified value.
String	getArgDocString()	Returns a string to be used in the auto-generated function documentation.
protected String	getFunctionDisplayName()
protected boolean	validateNumArgs(int num)

Methods inherited from class com.inductiveautomation.ignition.common.expressions.functions.AbstractFunction

executeArg, initArgs, log

Methods inherited from class com.inductiveautomation.ignition.common.expressions.functions.BaseFunction

connect, disconnect, executeAll, shutdown, startup

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.inductiveautomation.ignition.common.expressions.functions.Function

getType

Constructor Details

QualifiedValueFunction

public QualifiedValueFunction()

Method Details

getFunctionDisplayName

protected String getFunctionDisplayName()

Specified by:

getFunctionDisplayName in class AbstractFunction

execute

public QualifiedValue execute(Expression[] args)
                       throws ExpressionException

Description copied from interface: Function

Execute this function, and return the function's qualified value.

Throws:

ExpressionException

copy

public Function copy()

Description copied from class: BaseFunction

Returns this. Override to create a clone if you need a unique function object per Expression.

Specified by:

copy in interface Function

Overrides:

copy in class BaseFunction

getArgDocString

public String getArgDocString()

Description copied from interface: Function

Returns a string to be used in the auto-generated function documentation. The string should represent the arguments for the function, such as "string, count" for the "repeat" function.

validateNumArgs

protected boolean validateNumArgs(int num)

Overrides:

validateNumArgs in class AbstractFunction