ColumnReference (Teiid 15.0.0 API)

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

Constructors
Constructor Description

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

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`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)
```