Package cloud.opencode.base.flow.internal

package cloud.opencode.base.flow.internal

Package-private engine internals (DefaultFlowEngine / StepEvaluator / TransitionResolver / HistoryWriter). 包私有的引擎内部实现（默认引擎、节点判定器、流转路由器、历史写入器）。

Since:

JDK 25, opencode-base-flow V1.0.5

Author:

Leon Soo

Related Packages

Package	Description
cloud.opencode.base.flow	OpenCode Base Flow - Lightweight approval workflow engine with JSON DSL.

Class	Description
DefaultFlowDefinitionService	Default FlowDefinitionService backed by the supplied FlowRepository, DslParser, and DslValidator.
DefaultFlowInstanceService	Default FlowInstanceService implementation.
DefaultHistoryService	Default HistoryService implementation — delegates to the repository with an optional engine-side authorisation check.
DefaultTaskService	Default TaskService implementation.
FlowEventBusBridge	Cross-package bridge into the package-private FlowEventBus so the operation/ package can publish domain events without exposing the underlying bus type.
HistoryWriter	Internal append-only writer for HistoryRecords.
InputSanitizer	Package-private utility that sanitises and validates user-supplied text fields (comment / reason / userId) before the engine persists them, per design v4 §7.3.
JsonExtrasBridge	Cross-package bridge into the package-private JsonExtras helper, so the operation/ package can serialise extra_json payloads without exposing the underlying helper type.
StepEntry	Shared helper that materialises a Step into one or more PENDING Task rows for an existing FlowInstance.
StepEvaluator	Evaluates whether a given Step has reached its terminal state given the current set of Tasks and VoteRecords in the repository.
StepEvaluator.StepEvaluation	Three-valued evaluation result.
TransitionResolver	Resolves "where to go next" given a FlowDefinition and the current step, plus locates a sensible "previous approve / vote" target for reject.