ColumnAnnotation (belt 1.0.1 API)

java.lang.Object
- com.rapidminer.belt.util.ColumnAnnotation

All Implemented Interfaces:

ColumnMetaData
```
public class ColumnAnnotation
extends java.lang.Object
implements ColumnMetaData
```
A column annotation in the form of a single String. There are no restrictions on the content of the annotation other than being non-null.

Author:

Michael Knopf

Nested Class Summary
- Nested classes/interfaces inherited from interface com.rapidminer.belt.util.ColumnMetaData
  ColumnMetaData.Uniqueness

Constructor Summary

Constructors
Constructor Description

ColumnAnnotation(java.lang.String annotation)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.String`	`annotation()`	Returns the column annotation.
`boolean`	`equals(java.lang.Object other)`
`int`	`hashCode()`
`java.lang.String`	`toString()`
`java.lang.String`	`type()`	The unique type id of the column meta data.
`ColumnMetaData.Uniqueness`	`uniqueness()`	The uniqueness level of the meta data.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - ColumnAnnotation
```
public ColumnAnnotation(java.lang.String annotation)
```
- Method Detail
  - annotation
```
public java.lang.String annotation()
```
    Returns the column annotation.
    
    Returns:
    
    the annotation
  - equals
```
public boolean equals(java.lang.Object other)
```
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - uniqueness
```
public ColumnMetaData.Uniqueness uniqueness()
```
    Description copied from interface: ColumnMetaData
    
    The uniqueness level of the meta data. Defaults to ColumnMetaData.Uniqueness.NONE (no restrictions).
    
    Specified by:
    
    uniqueness in interface ColumnMetaData
    
    Returns:
    
    the uniqueness level
  - type
```
public java.lang.String type()
```
    Description copied from interface: ColumnMetaData
    
    The unique type id of the column meta data.
    
    Specified by:
    
    type in interface ColumnMetaData
    
    Returns:
    
    the type id