// Copyright 2025 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package domain

import "github.com/pingcap/tidb/pkg/inference"

func (d *Domain) initInferenceProviders() {
	d.embedFn = inference.NewEmbedFn()
}

func (d *Domain) closeInferenceProviders() {
	if d.embedFn != nil {
		d.embedFn.Close()
		d.embedFn = nil
	}
}

// GetEmbedFn returns the embed function bridge in the domain. It is roughly a global singleton.
// (but with domain lifecycle management to avoid goroutine leaks in tests)
func (d *Domain) GetEmbedFn() *inference.EmbedFn {
	return d.embedFn
}