org.polkadot.types.primitive

Class Null

java.lang.Object

org.polkadot.types.primitive.Null

All Implemented Interfaces:

Codec

Direct Known Subclasses:

EventRecord.Finalization, ExtrinsicStatus.Dropped, ExtrinsicStatus.Future, ExtrinsicStatus.Invalid, ExtrinsicStatus.Ready, Origin, Storage.Default, Storage.Default, Storage.Optional, Storage.Optional

public class Null
extends java.lang.Object
implements Codec

Implements a type that does not contain anything (apart from null)

Constructor Summary

Constructors

Constructor and Description
Null()

Method Summary

Modifier and Type	Method and Description
boolean	eq(java.lang.Object other) Compares the value of the input to see if there is a match
int	getEncodedLength() The length of the value when encoded as a Uint8Array
boolean	isEmpty() Checks if the value is an empty value (always true)
java.lang.String	toHex() Returns a hex string representation of the value
java.lang.Object	toJson() Converts the Object to JSON, typically used for RPC transfers
java.lang.String	toString() Returns the string representation of the value
byte[]	toU8a(boolean isBare) Encodes the value as a Uint8Array as per the parity-codec specifications

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.polkadot.types.Codec

getConstructorCodec, toU8a

Constructor Detail

Null

public Null()

Method Detail

getEncodedLength

public int getEncodedLength()

The length of the value when encoded as a Uint8Array

Specified by:

getEncodedLength in interface Codec

isEmpty

public boolean isEmpty()

Checks if the value is an empty value (always true)

Specified by:

isEmpty in interface Codec

eq

public boolean eq(java.lang.Object other)

Compares the value of the input to see if there is a match

Specified by:

eq in interface Codec

toHex

public java.lang.String toHex()

Returns a hex string representation of the value

Specified by:

toHex in interface Codec

toJson

public java.lang.Object toJson()

Converts the Object to JSON, typically used for RPC transfers

Specified by:

toJson in interface Codec

toString

public java.lang.String toString()

Returns the string representation of the value

Overrides:

toString in class java.lang.Object

toU8a

public byte[] toU8a(boolean isBare)

Encodes the value as a Uint8Array as per the parity-codec specifications

Specified by:

toU8a in interface Codec

Parameters:

isBare - true when the value has none of the type-specific prefixes (internal)