DocumentNull

java.lang.Object
- com.inductiveautomation.ignition.common.document.DocumentElement
- - com.inductiveautomation.ignition.common.document.DocumentNull

All Implemented Interfaces:

java.io.Serializable
```
public final class DocumentNull
extends DocumentElement
```
A class representing a null value.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

static DocumentNull INSTANCE

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`DocumentNull`	`deepCopy()`	Returns the same instance since it is an immutable value
`boolean`	`equals(java.lang.Object other)`	All instances of DocumentNull are the same
`int`	`hashCode()`	All instances of DocumentNull have the same hash code since they are indistinguishable
`com.inductiveautomation.ignition.common.gson.JsonNull`	`toJsonElement()`

Methods inherited from class com.inductiveautomation.ignition.common.document.DocumentElement
fromJson, getAsBigDecimal, getAsBigInteger, getAsBoolean, getAsByte, getAsCharacter, getAsDocument, getAsDocumentArray, getAsDocumentNull, getAsDocumentPrimitive, getAsDouble, getAsFloat, getAsInt, getAsLong, getAsNumber, getAsShort, getAsString, isDocument, isDocumentArray, isDocumentNull, isDocumentPrimitive, toString

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

- Field Detail
  - INSTANCE
```
public static final DocumentNull INSTANCE
```
- Method Detail
  - deepCopy
```
public DocumentNull deepCopy()
```
    Returns the same instance since it is an immutable value
    
    Specified by:
    
    deepCopy in class DocumentElement
  - toJsonElement
```
public com.inductiveautomation.ignition.common.gson.JsonNull toJsonElement()
```
    Specified by:
    
    toJsonElement in class DocumentElement
  - hashCode
```
public int hashCode()
```
    All instances of DocumentNull have the same hash code since they are indistinguishable
    
    Overrides:
    
    hashCode in class java.lang.Object
  - equals
```
public boolean equals(java.lang.Object other)
```
    All instances of DocumentNull are the same
    
    Overrides:
    
    equals in class java.lang.Object