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Copy pathstate.ts
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176 lines (150 loc) · 5.35 KB
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import type { BlockStateController } from '@/executor/execution/types'
import type { BlockState, NormalizedBlockOutput } from '@/executor/types'
import { SubflowNodeIdCodec } from '@/executor/utils/subflow-node-id-codec'
import {
buildOuterBranchScopedId,
extractOuterBranchIndex,
stripCloneSuffixes,
} from '@/executor/utils/subflow-utils'
function normalizeLookupId(id: string): string {
return SubflowNodeIdCodec.normalizeLookupId(id)
}
function extractBranchSuffix(id: string): string {
return SubflowNodeIdCodec.extractBranchSuffix(id)
}
function extractLoopSuffix(id: string): string {
return SubflowNodeIdCodec.extractLoopSuffix(id)
}
export interface LoopScope {
iteration: number
currentIterationOutputs: Map<string, NormalizedBlockOutput>
allIterationOutputs: NormalizedBlockOutput[][]
maxIterations?: number
item?: any
items?: any[]
condition?: string
loopType?: 'for' | 'forEach' | 'while' | 'doWhile'
skipFirstConditionCheck?: boolean
skippedAtStart?: boolean
/** Error message if loop validation failed (e.g., exceeded max iterations) */
validationError?: string
}
export interface ParallelScope {
parallelId: string
totalBranches: number
batchSize?: number
currentBatchStart?: number
currentBatchSize?: number
accumulatedOutputs?: Map<number, NormalizedBlockOutput[]>
branchOutputs: Map<number, NormalizedBlockOutput[]>
items?: any[]
/** Error message if parallel validation failed (e.g., exceeded max branches) */
validationError?: string
/** Whether the parallel has an empty distribution and should be skipped */
isEmpty?: boolean
}
export class ExecutionState implements BlockStateController {
private readonly blockStates: Map<string, BlockState>
private readonly executedBlocks: Set<string>
constructor(blockStates?: Map<string, BlockState>, executedBlocks?: Set<string>) {
this.blockStates = blockStates ?? new Map()
this.executedBlocks = executedBlocks ?? new Set()
}
getBlockStates(): ReadonlyMap<string, BlockState> {
return this.blockStates
}
getExecutedBlocks(): ReadonlySet<string> {
return this.executedBlocks
}
getBlockOutput(blockId: string, currentNodeId?: string): NormalizedBlockOutput | undefined {
const normalizedId = normalizeLookupId(blockId)
if (normalizedId !== blockId) {
return this.blockStates.get(blockId)?.output
}
if (currentNodeId) {
const scopedOutput = this.getScopedBlockOutput(blockId, currentNodeId)
if (scopedOutput !== undefined) {
return scopedOutput
}
if (extractOuterBranchIndex(currentNodeId) !== undefined) {
return undefined
}
}
const direct = this.blockStates.get(blockId)?.output
if (direct !== undefined) {
return direct
}
if (currentNodeId && extractBranchSuffix(currentNodeId) === '') {
const stableBranchZeroOutput = this.blockStates.get(
buildOuterBranchScopedId(blockId, 0)
)?.output
if (stableBranchZeroOutput !== undefined) {
return stableBranchZeroOutput
}
const branchZeroOutput = this.blockStates.get(
`${blockId}₍0₎${extractLoopSuffix(currentNodeId)}`
)?.output
if (branchZeroOutput !== undefined) {
return branchZeroOutput
}
}
for (const [storedId, state] of this.blockStates.entries()) {
if (normalizeLookupId(storedId) === blockId) {
return state.output
}
}
return undefined
}
private getScopedBlockOutput(
blockId: string,
currentNodeId: string
): NormalizedBlockOutput | undefined {
const currentBranchSuffix = extractBranchSuffix(currentNodeId)
const loopSuffix = extractLoopSuffix(currentNodeId)
const currentOuterBranchIndex = extractOuterBranchIndex(currentNodeId)
if (currentOuterBranchIndex !== undefined) {
for (const [storedId, state] of this.blockStates.entries()) {
if (stripCloneSuffixes(storedId) !== blockId) continue
if (extractOuterBranchIndex(storedId) !== currentOuterBranchIndex) continue
if (extractBranchSuffix(storedId) !== currentBranchSuffix) continue
if (extractLoopSuffix(storedId) !== loopSuffix) continue
return state.output
}
const siblingBranchOutput = this.blockStates.get(
`${blockId}₍${currentOuterBranchIndex}₎`
)?.output
if (siblingBranchOutput !== undefined) {
return siblingBranchOutput
}
} else {
const withSuffix = `${blockId}${currentBranchSuffix}${loopSuffix}`
const suffixedOutput = this.blockStates.get(withSuffix)?.output
if (suffixedOutput !== undefined) {
return suffixedOutput
}
}
return undefined
}
setBlockOutput(blockId: string, output: NormalizedBlockOutput, executionTime = 0): void {
this.blockStates.set(blockId, { output, executed: true, executionTime })
this.executedBlocks.add(blockId)
}
setBlockState(blockId: string, state: BlockState): void {
this.blockStates.set(blockId, state)
if (state.executed) {
this.executedBlocks.add(blockId)
} else {
this.executedBlocks.delete(blockId)
}
}
deleteBlockState(blockId: string): void {
this.blockStates.delete(blockId)
this.executedBlocks.delete(blockId)
}
unmarkExecuted(blockId: string): void {
this.executedBlocks.delete(blockId)
}
hasExecuted(blockId: string): boolean {
return this.executedBlocks.has(blockId)
}
}