Record Class TopicConfig

java.lang.Object

java.lang.Record

com.loomcache.server.topic.TopicConfig

public record TopicConfig(int maxBufferSize, boolean reliableDelivery, boolean ordered)
extends Record

Configuration for a distributed topic.

Records the following settings:

• maxBufferSize: Maximum number of messages to retain for replay (default: 10000)
• reliableDelivery: Whether to enable reliable message delivery with storage (default: true)
• ordered: Whether to enforce FIFO message ordering per publisher (default: true)

Thread-safe: This record is immutable and inherently thread-safe.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_MAX_BUFFER_SIZE
static final boolean	DEFAULT_ORDERED
static final boolean	DEFAULT_RELIABLE_DELIVERY

Constructor Summary

Constructors

Constructor	Description
TopicConfig(int maxBufferSize, boolean reliableDelivery, boolean ordered)	Validate configuration values.

Method Summary

Modifier and Type	Method	Description
static TopicConfig	defaults()	Create a topic configuration with default values.
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.
int	maxBufferSize()	Returns the value of the maxBufferSize record component.
boolean	ordered()	Returns the value of the ordered record component.
boolean	reliableDelivery()	Returns the value of the reliableDelivery record component.
final String	toString()	Returns a string representation of this record class.
static TopicConfig	withBufferSize(int maxBufferSize)	Create a topic configuration with custom buffer size.

Methods inherited from class Object

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

Field Details

DEFAULT_MAX_BUFFER_SIZE

public static final int DEFAULT_MAX_BUFFER_SIZE

See Also:

• Constant Field Values

DEFAULT_RELIABLE_DELIVERY

public static final boolean DEFAULT_RELIABLE_DELIVERY

See Also:

• Constant Field Values

DEFAULT_ORDERED

public static final boolean DEFAULT_ORDERED

See Also:

• Constant Field Values

Constructor Details

TopicConfig

public TopicConfig(int maxBufferSize,
 boolean reliableDelivery,
 boolean ordered)

Validate configuration values.

Throws:

IllegalArgumentException - if maxBufferSize is not positive

Method Details

defaults

public static TopicConfig defaults()

Create a topic configuration with default values.

Returns:

TopicConfig with defaults

withBufferSize

public static TopicConfig withBufferSize(int maxBufferSize)

Create a topic configuration with custom buffer size.

Parameters:

maxBufferSize - Maximum buffer size (must be positive)

Returns:

TopicConfig with specified buffer size and default other values

Throws:

IllegalArgumentException - if maxBufferSize is not positive

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. All components in this record class 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.

maxBufferSize

public int maxBufferSize()

Returns the value of the maxBufferSize record component.

Returns:

the value of the maxBufferSize record component

reliableDelivery

public boolean reliableDelivery()

Returns the value of the reliableDelivery record component.

Returns:

the value of the reliableDelivery record component

ordered

public boolean ordered()

Returns the value of the ordered record component.

Returns:

the value of the ordered record component