JsonFormatOptions.MapNullKeyMode (Flink : 2.0-SNAPSHOT API)

java.lang.Object
- java.lang.Enum<JsonFormatOptions.MapNullKeyMode>
- - org.apache.flink.formats.json.JsonFormatOptions.MapNullKeyMode

All Implemented Interfaces:

Serializable, Comparable<JsonFormatOptions.MapNullKeyMode>

Enclosing class:

JsonFormatOptions
```
public static enum JsonFormatOptions.MapNullKeyMode
extends Enum<JsonFormatOptions.MapNullKeyMode>
```
Handling mode for map data with null key.

Enum Constant Summary

Enum Constants
Enum Constant Description

DROP

FAIL

LITERAL

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static JsonFormatOptions.MapNullKeyMode`	`valueOf(String name)`	Returns the enum constant of this type with the specified name.
`static JsonFormatOptions.MapNullKeyMode[]`	`values()`	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum
clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

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

- Enum Constant Detail
  - FAIL
```
public static final JsonFormatOptions.MapNullKeyMode FAIL
```
  - DROP
```
public static final JsonFormatOptions.MapNullKeyMode DROP
```
  - LITERAL
```
public static final JsonFormatOptions.MapNullKeyMode LITERAL
```
- Method Detail
  - values
```
public static JsonFormatOptions.MapNullKeyMode[] values()
```
    Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:
    for (JsonFormatOptions.MapNullKeyMode c : JsonFormatOptions.MapNullKeyMode.values()) System.out.println(c);
    Returns:
    
    an array containing the constants of this enum type, in the order they are declared
  - valueOf
```
public static JsonFormatOptions.MapNullKeyMode valueOf(String name)
```
    Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
    
    Parameters:
    
    name - the name of the enum constant to be returned.
    
    Returns:
    
    the enum constant with the specified name
    
    Throws:
    
    IllegalArgumentException - if this enum type has no constant with the specified name
    
    NullPointerException - if the argument is null