org.teiid.language

Class Argument

java.lang.Object

org.teiid.language.BaseLanguageObject

org.teiid.language.Argument

All Implemented Interfaces:

LanguageObject, MetadataReference<ProcedureParameter>

public class Argument
extends BaseLanguageObject
implements MetadataReference<ProcedureParameter>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Argument.Direction

Constructor Summary

Constructors

Constructor and Description
Argument(Argument.Direction direction, Class<?> type, ProcedureParameter metadataObject) Typical constructor for an out/return parameter
Argument(Argument.Direction direction, Expression value, Class<?> type, ProcedureParameter metadataObject)
Argument(Argument.Direction direction, Literal value, ProcedureParameter metadataObject) Typical constructor for an in/in out parameter

Method Summary

Modifier and Type	Method and Description
void	acceptVisitor(LanguageObjectVisitor visitor)
Literal	getArgumentValue() Get the argument as a Literal value.
Argument.Direction	getDirection()
Expression	getExpression()
ProcedureParameter	getMetadataObject()
Class<?>	getType()
void	setArgumentValue(Literal value)
void	setDirection(Argument.Direction direction)
void	setExpression(Expression ex)
void	setMetadataObject(ProcedureParameter metadataObject)
void	setType(Class<?> type)

Methods inherited from class org.teiid.language.BaseLanguageObject

toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Argument

public Argument(Argument.Direction direction,
                Expression value,
                Class<?> type,
                ProcedureParameter metadataObject)

Argument

public Argument(Argument.Direction direction,
                Class<?> type,
                ProcedureParameter metadataObject)

Typical constructor for an out/return parameter

Parameters:

direction -

type -

metadataObject -

Argument

public Argument(Argument.Direction direction,
                Literal value,
                ProcedureParameter metadataObject)

Typical constructor for an in/in out parameter

Parameters:

direction -

type -

metadataObject -

Method Detail

getDirection

public Argument.Direction getDirection()

getArgumentValue

public Literal getArgumentValue()

Get the argument as a Literal value. Will throw a ClassCastException if the Expression is not a Literal.

Returns:

the value or null if this is an non-in parameter

getType

public Class<?> getType()

setType

public void setType(Class<?> type)

acceptVisitor

public void acceptVisitor(LanguageObjectVisitor visitor)

Specified by:

acceptVisitor in interface LanguageObject

setDirection

public void setDirection(Argument.Direction direction)

setArgumentValue

public void setArgumentValue(Literal value)

getMetadataObject

public ProcedureParameter getMetadataObject()

Specified by:

getMetadataObject in interface MetadataReference<ProcedureParameter>

setMetadataObject

public void setMetadataObject(ProcedureParameter metadataObject)

getExpression

public Expression getExpression()

setExpression

public void setExpression(Expression ex)