Struct webthing::property::BaseProperty

pub struct BaseProperty { /* fields omitted */ }

Basic property implementation.

A Property represents an individual state value of a thing.

This can easily be used by other properties to handle most of the boring work.

Implementations

impl BaseProperty

pub fn new(
    name: String,
    initial_value: Value,
    value_forwarder: Option<Box<dyn ValueForwarder>>,
    metadata: Option<Map<String, Value>>
) -> BaseProperty

Create a new BaseProperty.

Arguments

• name - name of the property
• initial_value - initial property value
• value_forwarder - optional value forwarder; property will be read-only if None
• metadata - property metadata, i.e. type, description, unit, etc., as a JSON map

Trait Implementations

impl Property for BaseProperty

fn set_href_prefix(&mut self, prefix: String)

Set the prefix of any hrefs associated with this property.

fn get_href(&self) -> String

Get the href of this property.

fn get_value(&self) -> Value

Get the current property value.

fn set_value(&mut self, value: Value) -> Result<(), &'static str>

Set the current value of the property.

fn set_cached_value(&mut self, value: Value) -> Result<(), &'static str>

Set the cached value of the property.

fn get_name(&self) -> String

Get the name of this property.

fn get_metadata(&self) -> Map<String, Value>

Get the metadata associated with this property.

fn validate_value(&self, value: &Value) -> Result<(), &'static str>

Validate new property value before setting it.

fn as_property_description(&self) -> Map<String, Value>

Get the property description.