ColumnNameTransformer (Maximo API)

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Summary:
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Detail:
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java.lang.Object
- com.ibm.tivoli.maximo.report.expr.ColumnNameTransformer

All Implemented Interfaces:

ToStringVisitor.Transformer
```
public class ColumnNameTransformer
extends java.lang.Object
implements ToStringVisitor.Transformer
```
A Column Name transformer transforms a MBO Field Name into a Database Table Column, adding an optional Qualifier in the process, for Nodes that are Literal Nodes and if the Node's value is a field in the given ObjectName (MBO). Transformers are using the process of converting a Parsed Node tree back into a String representation.

Constructor Summary

Constructors
Constructor and Description
`ColumnNameTransformer(java.lang.String objectName, java.util.Set validAttributes, java.lang.String qualifier)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`java.lang.String`	`transform(Node n)` If this returns a NON NULL value, then this value will replace the Node's .value value, when writing it into the String.

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

- Constructor Detail
  - ColumnNameTransformer
```
public ColumnNameTransformer(java.lang.String objectName,
                             java.util.Set validAttributes,
                             java.lang.String qualifier)
```
    Parameters:
    
    objectName - MBO Object name
    
    validAttributes - Valid attributes for the given Object name
    
    qualifier - optional qualifier to use as a prefix when converting the fieldname into a table column name
- Method Detail
  - transform
```
public java.lang.String transform(Node n)
```
    Description copied from interface: ToStringVisitor.Transformer
    
    If this returns a NON NULL value, then this value will replace the Node's .value value, when writing it into the String. This MUST return null, if you want to use node's value.
    
    Specified by:
    
    transform in interface ToStringVisitor.Transformer
    
    Parameters:
    
    n - Node being transformed
    
    Returns:
    
    new value or NULL if you want to use the node default value