com.hazelcast.jet.cdc

Enum Operation

java.lang.Object

java.lang.Enum<Operation>

com.hazelcast.jet.cdc.Operation

All Implemented Interfaces:

Serializable, Comparable<Operation>

@EvolvingApi
public enum Operation
extends Enum<Operation>

Describes the nature of a CDC event, mainly the type of action performed on a database record: insertion, update and deletion. There are also some special values: "sync", which has the same effect as an insert, but originates from the initial database snapshot (as opposed to the database changelog), and "unspecified", used for a few special CDC events (like heartbeats).

Since:

Jet 4.2

Enum Constant Summary

Enum Constants

Enum Constant and Description
DELETE Record deletion, sourced from the DB changelog.
INSERT Record insertion, sourced from the DB changelog.
SYNC Just like INSERT, but coming from the initial DB snapshot (as opposed to the change log).
UNSPECIFIED ChangeRecord doesn't have an operation field, for example heartbeats.
UPDATE Record update, sourced from the DB changelog.

Method Summary

Modifier and Type	Method and Description
String	code() Returns the Debezium operation code as String.
static Operation	get(String opcode) Parses the string present in a CDC message into the corresponding Operation enum member.
static Operation	valueOf(String name) Returns the enum constant of this type with the specified name.
static Operation[]	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

UNSPECIFIED

public static final Operation UNSPECIFIED

ChangeRecord doesn't have an operation field, for example heartbeats.

SYNC

public static final Operation SYNC

Just like INSERT, but coming from the initial DB snapshot (as opposed to the change log).

INSERT

public static final Operation INSERT

Record insertion, sourced from the DB changelog.

UPDATE

public static final Operation UPDATE

Record update, sourced from the DB changelog.

DELETE

public static final Operation DELETE

Record deletion, sourced from the DB changelog.

Method Detail

values

public static Operation[] 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 (Operation c : Operation.values())
    System.out.println(c);

Returns:

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

valueOf

public static Operation 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

code

public String code()

Returns the Debezium operation code as String.

get

public static Operation get(@Nullable
                            String opcode)
                     throws ParsingException

Parses the string present in a CDC message into the corresponding Operation enum member.

If the argument is null, it returns UNSPECIFIED.

Throws:

ParsingException - if the input string doesn't represent an expected value