bacnet-objects 0.13.0

BACnet object model: traits, database, and standard object types
Documentation 
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use bacnet_types::enums::PropertyIdentifier;
use std::borrow::Cow;

use crate::property_metadata::{
    PropertyConformance::{Optional, RequiredRead},
    PropertyMetadata,
    PropertyWriteCapability::{Always, ReadOnly},
};

pub(super) static AUDIT_REPORTER_PROPERTIES: &[PropertyMetadata] = &[
    PropertyMetadata::new(
        PropertyIdentifier::OBJECT_IDENTIFIER,
        RequiredRead,
        None,
        ReadOnly,
    ),
    PropertyMetadata::new(
        PropertyIdentifier::OBJECT_NAME,
        RequiredRead,
        None,
        ReadOnly,
    ),
    PropertyMetadata::new(
        PropertyIdentifier::OBJECT_TYPE,
        RequiredRead,
        None,
        ReadOnly,
    ),
    PropertyMetadata::new(PropertyIdentifier::DESCRIPTION, Optional, None, Always),
    PropertyMetadata::new(
        PropertyIdentifier::STATUS_FLAGS,
        RequiredRead,
        None,
        ReadOnly,
    ),
    PropertyMetadata::new(
        PropertyIdentifier::RELIABILITY,
        RequiredRead,
        None,
        ReadOnly,
    ),
    PropertyMetadata::new(
        PropertyIdentifier::EVENT_STATE,
        RequiredRead,
        None,
        ReadOnly,
    ),
    PropertyMetadata::new(
        PropertyIdentifier::AUDIT_LEVEL,
        RequiredRead,
        None,
        ReadOnly,
    ),
    PropertyMetadata::new(
        PropertyIdentifier::AUDIT_SOURCE_REPORTER,
        RequiredRead,
        None,
        ReadOnly,
    ),
    PropertyMetadata::new(
        PropertyIdentifier::AUDITABLE_OPERATIONS,
        RequiredRead,
        None,
        ReadOnly,
    ),
    PropertyMetadata::new(
        PropertyIdentifier::AUDIT_PRIORITY_FILTER,
        RequiredRead,
        None,
        ReadOnly,
    ),
    PropertyMetadata::new(
        PropertyIdentifier::ISSUE_CONFIRMED_NOTIFICATIONS,
        RequiredRead,
        None,
        ReadOnly,
    ),
    PropertyMetadata::new(
        PropertyIdentifier::PROPERTY_LIST,
        RequiredRead,
        None,
        ReadOnly,
    ),
];

pub(super) fn effective_properties(
    monitored_objects: bool,
    delay: bool,
) -> Cow<'static, [PropertyMetadata]> {
    if !monitored_objects && !delay {
        return Cow::Borrowed(AUDIT_REPORTER_PROPERTIES);
    }
    let mut rows = AUDIT_REPORTER_PROPERTIES.to_vec();
    // Only effective rows belong in metadata: absent is not an empty array.
    if monitored_objects {
        rows.insert(
            rows.len() - 1,
            PropertyMetadata::new(
                PropertyIdentifier::MONITORED_OBJECTS,
                Optional,
                None,
                ReadOnly,
            ),
        );
    }
    if delay {
        for property in [
            PropertyIdentifier::MAXIMUM_SEND_DELAY,
            PropertyIdentifier::SEND_NOW,
        ] {
            rows.insert(
                rows.len() - 1,
                PropertyMetadata::new(property, Optional, None, Always),
            );
        }
    }
    Cow::Owned(rows)
}