Package com.inductiveautomation.ignition.common.expressions

Class NonLocalizedToStringExpression

java.lang.Object

com.inductiveautomation.ignition.common.expressions.AbstractExpression

com.inductiveautomation.ignition.common.expressions.NonLocalizedToStringExpression

All Implemented Interfaces:

Expression

public class NonLocalizedToStringExpression
extends AbstractExpression

Field Summary

Fields inherited from class com.inductiveautomation.ignition.common.expressions.AbstractExpression

children, context, updateListener

Constructor Summary

Constructors

Constructor	Description
NonLocalizedToStringExpression()

Method Summary

Modifier and Type	Method	Description
@NonNull QualifiedValue	execute()	Returns the query generated by this expression (quality always good).
String	getOpName()	Return a human-readable name for the operation that this expression performs.
Class<?>	getType()	Return the type that this expression will return.

Methods inherited from class com.inductiveautomation.ignition.common.expressions.AbstractExpression

connect, disconnect, getChildren, setChildren, shutdown, startup

Methods inherited from class java.lang.Object

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

Constructor Details

NonLocalizedToStringExpression

public NonLocalizedToStringExpression()

Method Details

execute

public @NonNull QualifiedValue execute()
                                throws ExpressionException

Returns the query generated by this expression (quality always good). In theory we could optimize this by not creating the string each time, only when something has changed, but it shouldn't be too big of a deal to do it like this.

Returns:

the result of the expression evaluation as a QualifiedValue

Throws:

ExpressionException - if an error occurs during execution

getOpName

public String getOpName()

Description copied from interface: Expression

Return a human-readable name for the operation that this expression performs.

Returns:

the operation name

getType

public Class<?> getType()

Description copied from interface: Expression

Return the type that this expression will return.

Returns:

the Class of the value returned by Expression.execute()