NullOrPass (VirtualDataSet API)

java.lang.Object
- io.virtdata.libbasics.shared.stateful.NullOrPass

All Implemented Interfaces:

java.util.function.Function<java.lang.Object,java.lang.Object>
```
public class NullOrPass
extends java.lang.Object
implements java.util.function.Function<java.lang.Object,java.lang.Object>
```
Reads a long variable from the thread local variable map, hashes and scales it to the unit interval 0.0d - 1.0d, then uses the result to determine whether to return a null object or the input value.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  NullOrPass(double ratio, java.lang.String varname)
- Method Summary
  
  Modifier and Type Method Description
  
  java.lang.Object apply(java.lang.Object o)
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  - Methods inherited from interface java.util.function.Function
    andThen, compose

- Constructor Detail
  - NullOrPass
```
public NullOrPass(double ratio,
                  java.lang.String varname)
```
- Method Detail
  - apply
```
public java.lang.Object apply(java.lang.Object o)
```
    Specified by:
    
    apply in interface java.util.function.Function<java.lang.Object,java.lang.Object>