Swap (VirtualDataSet API)

java.lang.Object
- io.virtdata.basicsmappers.stateful.from_long.Swap

All Implemented Interfaces:

java.util.function.LongFunction<java.lang.Object>
```
public class Swap
extends java.lang.Object
implements java.util.function.LongFunction<java.lang.Object>
```
Load a named value from the per-thread state map. The previous input value will be stored in the named value, and the previously stored value will be returned. A default value to return may be provided in case there was no previously stored value under the given name.

Constructor Summary

Constructors
Constructor	Description
`Swap(java.lang.String name)`
`Swap(java.lang.String name, java.lang.Object defaultValue)`
`Swap(java.util.function.LongFunction<java.lang.Object> nameFunc)`
`Swap(java.util.function.LongFunction<java.lang.Object> nameFunc, java.lang.Object defaultValue)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

java.lang.Object apply(long value)
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Swap
```
public Swap(java.lang.String name)
```

Swap

public Swap(java.lang.String name,
            java.lang.Object defaultValue)

Swap

public Swap(java.util.function.LongFunction<java.lang.Object> nameFunc)

Swap

public Swap(java.util.function.LongFunction<java.lang.Object> nameFunc,
            java.lang.Object defaultValue)

Method Detail
- apply
```
public java.lang.Object apply(long value)
```
  Specified by:
  
  apply in interface java.util.function.LongFunction<java.lang.Object>