Struct BooleanAttribute 

pub struct BooleanAttribute { /* private fields */ }

Implementations

impl BooleanAttribute

pub fn new(name: CheetahString, changeable: bool, default_value: bool) -> Self

Create a new boolean attribute with the specified properties

Arguments

• name - The name of the attribute
• changeable - Whether the attribute can be changed after creation
• default_value - Default boolean value for this attribute

Returns

A new BooleanAttribute instance

Example

use cheetah_string::CheetahString;
use rocketmq_model::common::attribute::bool_attribute::BooleanAttribute;
use rocketmq_model::common::attribute::Attribute;

let attr = BooleanAttribute::new(
    CheetahString::from_static_str("enabled"),
    true,
    false
);
assert_eq!(attr.default_value(), false);

// Verify accepts valid boolean strings
assert!(attr.verify("true").is_ok());
assert!(attr.verify("FALSE").is_ok());

pub fn default_value(&self) -> bool

Get the default value for this attribute

pub fn parse_bool(value: &str) -> Result<bool, String>

Parse a string value to boolean

Accepts “true” or “false” case-insensitively. Whitespace is not trimmed.

Arguments

• value - The string value to parse

Returns

• Ok(bool) - The parsed boolean value
• Err(String) - An error message if the value is not “true” or “false”

Errors

Returns an error if the input string is not “true” or “false” (case-insensitive).

Example

use rocketmq_model::common::attribute::bool_attribute::BooleanAttribute;

// Case-insensitive parsing
assert_eq!(BooleanAttribute::parse_bool("true").unwrap(), true);
assert_eq!(BooleanAttribute::parse_bool("TRUE").unwrap(), true);
assert_eq!(BooleanAttribute::parse_bool("False").unwrap(), false);

// Invalid values return errors
assert!(BooleanAttribute::parse_bool("yes").is_err());
assert!(BooleanAttribute::parse_bool(" true").is_err()); // whitespace not trimmed

Trait Implementations

impl Attribute for BooleanAttribute

fn verify(&self, value: &str) -> Result<(), String>

Verify that the provided string value is valid for this attribute. Implementations should validate according to their specific rules.

fn name(&self) -> &CheetahString

Get the name of this attribute.

fn is_changeable(&self) -> bool

Check if this attribute can be changed after creation.

impl Clone for BooleanAttribute

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for BooleanAttribute

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.