PricingDualBound attribute for pricing callback (#77)

atoptima · Mar 23, 2022 · 2943499 · 2943499
1 parent 7e21015
commit 2943499
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/src/callbacks.jl b/src/callbacks.jl
@@ -21,6 +21,21 @@ function MOI.submit(
     )
 end
 
+"""
+    PricingDualBound(cbdata)
+
+Dual bound of the pricing subproblem.
+This bound is used to compute the contribution of the subproblem to the dual bound
+in column generation.
+"""
+struct PricingDualBound{CbDataType} <: MOI.AbstractSubmittable
+    callback_data::CbDataType
+end
+
+function MOI.submit(model::Model, cb::PricingDualBound, bound)
+    return MOI.submit(JuMP.backend(model), cb, bound)
+end
+
 """
     PricingVariableCost(cbdata)