FunctionVirtualColumn (Ontopia)

java.lang.Object
- net.ontopia.topicmaps.db2tm.FunctionVirtualColumn

All Implemented Interfaces:

ValueIF
```
public class FunctionVirtualColumn
extends Object
implements ValueIF
```
INTERNAL: Virtual column that uses a function to map from old value to new value.

Field Summary

Fields
Modifier and Type	Field	Description
`protected String`	`colname`
`protected String`	`fullMethodName`
`protected Method`	`method`
`protected List<ValueIF>`	`params`
`protected Relation`	`relation`

Constructor Summary

Constructors
Constructor Description

FunctionVirtualColumn(Relation relation, String colname, String fullMethodName)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addParameter(String paramValue)`
`void`	`compile()`
`String`	`getColumnName()`
`String`	`getValue(String[] tuple)`	INTERNAL: Returns the value of the virtual column.

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

Field Detail

relation
```
protected final Relation relation
```

colname
```
protected final String colname
```

fullMethodName
```
protected final String fullMethodName
```

method
```
protected Method method
```

params
```
protected List<ValueIF> params
```

Constructor Detail

FunctionVirtualColumn

public FunctionVirtualColumn(Relation relation,
                             String colname,
                             String fullMethodName)

Method Detail
- getColumnName
```
public String getColumnName()
```
- compile
```
public void compile()
```
- getValue
```
public String getValue(String[] tuple)
```
  Description copied from interface: ValueIF
  
  INTERNAL: Returns the value of the virtual column.
  
  Specified by:
  
  getValue in interface ValueIF
- addParameter
```
public void addParameter(String paramValue)
```