coze-studio/backend/domain/workflow/internal/schema/stream.go

78 lines
2.3 KiB
Go

/*
* Copyright 2025 coze-dev Authors
*
* 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 schema
import (
"github.com/cloudwego/eino/compose"
"github.com/coze-dev/coze-studio/backend/domain/workflow/entity/vo"
)
type FieldStreamType string
const (
FieldIsStream FieldStreamType = "yes" // absolutely a stream
FieldNotStream FieldStreamType = "no" // absolutely not a stream
FieldMaybeStream FieldStreamType = "maybe" // maybe a stream, requires request-time resolution
FieldSkipped FieldStreamType = "skipped" // the field source's node is skipped
)
type FieldSkipStatus string
// SourceInfo contains stream type for a input field source of a node.
type SourceInfo struct {
// IsIntermediate means this field is itself not a field source, but a map containing one or more field sources.
IsIntermediate bool
// FieldType the stream type of the field. May require request-time resolution in addition to compile-time.
FieldType FieldStreamType
// FromNodeKey is the node key that produces this field source. empty if the field is a static value or variable.
FromNodeKey vo.NodeKey
// FromPath is the path of this field source within the source node. empty if the field is a static value or variable.
FromPath compose.FieldPath
TypeInfo *vo.TypeInfo
// SubSources are SourceInfo for keys within this intermediate Map(Object) field.
SubSources map[string]*SourceInfo
}
func (s *SourceInfo) Skipped() bool {
if !s.IsIntermediate {
return s.FieldType == FieldSkipped
}
for _, sub := range s.SubSources {
if !sub.Skipped() {
return false
}
}
return true
}
func (s *SourceInfo) FromNode(nodeKey vo.NodeKey) bool {
if !s.IsIntermediate {
return s.FromNodeKey == nodeKey
}
for _, sub := range s.SubSources {
if sub.FromNode(nodeKey) {
return true
}
}
return false
}