78 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Go
		
	
	
	
| /*
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|  * Copyright 2025 coze-dev Authors
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|  *
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|  * Licensed under the Apache License, Version 2.0 (the "License");
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|  * you may not use this file except in compliance with the License.
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|  * You may obtain a copy of the License at
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|  *
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|  *     http://www.apache.org/licenses/LICENSE-2.0
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|  *
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|  * Unless required by applicable law or agreed to in writing, software
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|  * distributed under the License is distributed on an "AS IS" BASIS,
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|  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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|  * See the License for the specific language governing permissions and
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|  * limitations under the License.
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|  */
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| 
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| package schema
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| 
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| import (
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| 	"github.com/cloudwego/eino/compose"
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| 
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| 	"github.com/coze-dev/coze-studio/backend/domain/workflow/entity/vo"
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| )
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| 
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| type FieldStreamType string
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| 
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| const (
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| 	FieldIsStream    FieldStreamType = "yes"     // absolutely a stream
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| 	FieldNotStream   FieldStreamType = "no"      // absolutely not a stream
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| 	FieldMaybeStream FieldStreamType = "maybe"   // maybe a stream, requires request-time resolution
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| 	FieldSkipped     FieldStreamType = "skipped" // the field source's node is skipped
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| )
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| 
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| type FieldSkipStatus string
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| 
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| // SourceInfo contains stream type for a input field source of a node.
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| type SourceInfo struct {
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| 	// IsIntermediate means this field is itself not a field source, but a map containing one or more field sources.
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| 	IsIntermediate bool
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| 	// FieldType the stream type of the field. May require request-time resolution in addition to compile-time.
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| 	FieldType FieldStreamType
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| 	// FromNodeKey is the node key that produces this field source. empty if the field is a static value or variable.
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| 	FromNodeKey vo.NodeKey
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| 	// FromPath is the path of this field source within the source node. empty if the field is a static value or variable.
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| 	FromPath compose.FieldPath
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| 	TypeInfo *vo.TypeInfo
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| 	// SubSources are SourceInfo for keys within this intermediate Map(Object) field.
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| 	SubSources map[string]*SourceInfo
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| }
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| 
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| func (s *SourceInfo) Skipped() bool {
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| 	if !s.IsIntermediate {
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| 		return s.FieldType == FieldSkipped
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| 	}
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| 
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| 	for _, sub := range s.SubSources {
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| 		if !sub.Skipped() {
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| 			return false
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| 		}
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| 	}
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| 
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| 	return true
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| }
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| 
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| func (s *SourceInfo) FromNode(nodeKey vo.NodeKey) bool {
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| 	if !s.IsIntermediate {
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| 		return s.FromNodeKey == nodeKey
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| 	}
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| 
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| 	for _, sub := range s.SubSources {
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| 		if sub.FromNode(nodeKey) {
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| 			return true
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| 		}
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| 	}
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| 
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| 	return false
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| }
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