Module com.hedera.hashgraph.sdk

Package com.hedera.hashgraph.sdk

Enum Class HookExtensionPoint

java.lang.Object

java.lang.Enum<HookExtensionPoint>

com.hedera.hashgraph.sdk.HookExtensionPoint

All Implemented Interfaces:

Serializable, Comparable<HookExtensionPoint>, Constable

public enum HookExtensionPoint
extends Enum<HookExtensionPoint>

Enum representing the Hiero extension points that accept a hook.

Extension points define where hooks can be attached to customize behavior in the Hiero network.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
ACCOUNT_ALLOWANCE_HOOK	Used to customize an account's allowances during a CryptoTransfer transaction.

Method Summary

Modifier and Type	Method	Description
static HookExtensionPoint	fromProtobuf(HookExtensionPoint protoValue)	Create a HookExtensionPoint from a protobuf value.
HookExtensionPoint	getProtoValue()	Get the protobuf value for this extension point.
static HookExtensionPoint	valueOf(String name)	Returns the enum constant of this class with the specified name.
static HookExtensionPoint[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

ACCOUNT_ALLOWANCE_HOOK

public static final HookExtensionPoint ACCOUNT_ALLOWANCE_HOOK

Used to customize an account's allowances during a CryptoTransfer transaction.

This hook allows accounts to define custom logic for approving or rejecting token transfers, providing fine-grained control over allowance behavior.

Method Details

values

public static HookExtensionPoint[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static HookExtensionPoint valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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 class has no constant with the specified name

NullPointerException - if the argument is null

getProtoValue

public HookExtensionPoint getProtoValue()

Get the protobuf value for this extension point.

Returns:

the protobuf enum value

fromProtobuf

public static HookExtensionPoint fromProtobuf(HookExtensionPoint protoValue)

Create a HookExtensionPoint from a protobuf value.

Parameters:

protoValue - the protobuf enum value

Returns:

the corresponding HookExtensionPoint

Throws:

IllegalArgumentException - if the protobuf value is not recognized