org.teiid.language
Class ColumnReference

java.lang.Object
  org.teiid.language.BaseLanguageObject
      org.teiid.language.ColumnReference

All Implemented Interfaces:

Expression, LanguageObject, MetadataReference<Column>

public class ColumnReference
extends BaseLanguageObject
implements MetadataReference<Column>, Expression

Represents an element in the language. An example of an element would be a column reference in a SELECT clause.

Constructor Summary

ColumnReference(NamedTable group, String name, Column metadataObject, Class<?> type)

Method Summary

void	acceptVisitor(LanguageObjectVisitor visitor)
Column	getMetadataObject()
String	getName() Gets the name of the element.
NamedTable	getTable() Return the table that contains this column.
Class<?>	getType() Determine the type returned by this expression.
void	setMetadataObject(Column metadataObject)
void	setName(String name) Sets the name of the element.
void	setTable(NamedTable group)
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

ColumnReference

public ColumnReference(NamedTable group,
                       String name,
                       Column metadataObject,
                       Class<?> type)

Method Detail

getName

public String getName()

Gets the name of the element.

Returns:

the name of the element

getTable

public NamedTable getTable()

Return the table that contains this column. May be null.

Returns:

The group reference

getMetadataObject

public Column getMetadataObject()

Specified by:

getMetadataObject in interface MetadataReference<Column>

setMetadataObject

public void setMetadataObject(Column metadataObject)

acceptVisitor

public void acceptVisitor(LanguageObjectVisitor visitor)

Specified by:

acceptVisitor in interface LanguageObject

setTable

public void setTable(NamedTable group)

getType

public Class<?> getType()

Description copied from interface: Expression

Determine the type returned by this expression.

Specified by:

getType in interface Expression

Returns:

The type, as defined by a Java class

setName

public void setName(String name)

Sets the name of the element.

Parameters:

name - The name of the element

setType

public void setType(Class<?> type)