Record Class ConfigEntry

java.lang.Object

java.lang.Record

com.loomcache.server.config.ConfigEntry

Record Components:

key - the configuration key (e.g., "cache.max-size")

value - the configuration value as a string

version - monotonically increasing version number for this key

updatedAt - timestamp (millis since epoch) when last updated

updatedBy - node ID or user that made the update

public record ConfigEntry(String key, String value, long version, long updatedAt, String updatedBy)
extends Record

Immutable configuration entry with version tracking and audit information.

Records cluster-wide configuration changes with version numbers and update metadata. Used for distributed storage and replication via Raft.

Constructor Summary

Constructors

Constructor	Description
ConfigEntry(String key, String value, long version, long updatedAt, String updatedBy)	Creates an instance of a ConfigEntry record class.

Method Summary

Modifier and Type	Method	Description
static ConfigEntry	create(String key, String value, long version, String updatedBy)	Create a new ConfigEntry with current timestamp.
final boolean	equals(Object o)	Indicates whether some other object is "equal to" this one.
final int	hashCode()	Returns a hash code value for this object.
String	key()	Returns the value of the key record component.
final String	toString()	Returns a string representation of this record class.
static ConfigEntry	update(ConfigEntry oldEntry, String newValue, String updatedBy)	Create a ConfigEntry from an existing entry with an incremented version.
long	updatedAt()	Returns the value of the updatedAt record component.
String	updatedBy()	Returns the value of the updatedBy record component.
String	value()	Returns the value of the value record component.
long	version()	Returns the value of the version record component.

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

ConfigEntry

public ConfigEntry(String key,
 String value,
 long version,
 long updatedAt,
 String updatedBy)

Creates an instance of a ConfigEntry record class.

Parameters:

key - the value for the key record component

value - the value for the value record component

version - the value for the version record component

updatedAt - the value for the updatedAt record component

updatedBy - the value for the updatedBy record component

Method Details

create

public static ConfigEntry create(String key,
 String value,
 long version,
 String updatedBy)

Create a new ConfigEntry with current timestamp.

Parameters:

key - the configuration key

value - the configuration value

version - the version number

updatedBy - the node ID or user

Returns:

a new ConfigEntry

update

public static ConfigEntry update(ConfigEntry oldEntry,
 String newValue,
 String updatedBy)

Create a ConfigEntry from an existing entry with an incremented version.

Parameters:

oldEntry - the existing entry

newValue - the new value

updatedBy - the updater identifier

Returns:

a new ConfigEntry with incremented version

toString

public final String toString()

Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.

Specified by:

toString in class Record

Returns:

a string representation of this object

hashCode

public final int hashCode()

Returns a hash code value for this object. The value is derived from the hash code of each of the record components.

Specified by:

hashCode in class Record

Returns:

a hash code value for this object

equals

public final boolean equals(Object o)

Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. Reference components are compared with Objects::equals(Object,Object); primitive components are compared with the compare method from their corresponding wrapper classes.

Specified by:

equals in class Record

Parameters:

o - the object with which to compare

Returns:

true if this object is the same as the o argument; false otherwise.

key

public String key()

Returns the value of the key record component.

Returns:

the value of the key record component

value

public String value()

Returns the value of the value record component.

Returns:

the value of the value record component

version

public long version()

Returns the value of the version record component.

Returns:

the value of the version record component

updatedAt

public long updatedAt()

Returns the value of the updatedAt record component.

Returns:

the value of the updatedAt record component

updatedBy

public String updatedBy()

Returns the value of the updatedBy record component.

Returns:

the value of the updatedBy record component