Struct TransitionMatrix 

pub struct TransitionMatrix {
    pub name: String,
    pub resource_id: String,
    pub default_ms: i64,
    /* private fields */
}

Sequence-dependent setup time matrix.

Maps (from_category, to_category) → setup time in ms. Used when the setup time on a resource depends on what was processed previously (e.g., machine changeover, color change).

Reference

Allahverdi et al. (2008), “A survey of scheduling problems with setup times or costs”

Fields

name: String

Matrix identifier.

resource_id: String

Resource this matrix applies to.

default_ms: i64

Default setup time when no explicit transition is defined.

Implementations

impl TransitionMatrix

pub fn new(name: impl Into<String>, resource_id: impl Into<String>) -> Self

Creates a new transition matrix for a resource.

pub fn with_default(self, default_ms: i64) -> Self

Sets the default transition time.

pub fn set_transition( &mut self, from: impl Into<String>, to: impl Into<String>, time_ms: i64, )

Defines a transition time between two categories.

pub fn get_transition(&self, from: &str, to: &str) -> i64

Gets the transition time between two categories.

Returns the explicit time if defined, otherwise the default. Same-category transitions return 0 unless explicitly set.

pub fn transition_count(&self) -> usize

Number of explicitly defined transitions.

Trait Implementations

impl Clone for TransitionMatrix

fn clone(&self) -> TransitionMatrix

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TransitionMatrix

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for TransitionMatrix

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for TransitionMatrix

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.