org.noear.solon.flow

Class FlowContext

java.lang.Object

org.noear.solon.flow.FlowContext

@Preview(value="3.0")
public class FlowContext
extends Object

流上下文（不支持序列化）

Since:

3.0

Author:

noear

Field Summary

Fields

Modifier and Type	Field and Description
protected FlowEngine	engine
Object	result

Constructor Summary

Constructors

Constructor and Description
FlowContext()
FlowContext(String instanceId)

Method Summary

Modifier and Type	Method and Description
void	backup() 备份
<T> T	computeIfAbsent(String key, Function<String,T> mappingFunction) 尝试完成
Counter	counter() 计数器
FlowEngine	engine() 当前流程引擎
<C,R> org.noear.dami.bus.DamiBus<C,R>	eventBus() 获取事件总线（based damibus）
ExecutorService	executor() 异步执行器
FlowContext	executor(ExecutorService executor) 配置异步执行器
static FlowContext	from(FlowContext old) 数据复制
<T> T	get(String key) 获取
String	getInstanceId() 获取流实例id
<T> T	getOrDefault(String key, T def) 获取或默认
Object	getResult() 获取临时结果
int	incrAdd(String key, int delta) 增量添加
int	incrGet(String key) 增量获取
void	interrupt() 阻断（当前分支不再后流）
void	interrupt(boolean interrupted) 阻断重置
boolean	isInterrupted() 是否已阻断
boolean	isStopped() 是否已停止
void	manualNext(Node node) 手动下一步（可能要配合中断使用 interrupt()）
void	manualNext(Node node, int depth) 手动下一步（可能要配合中断使用 interrupt()）
Map<String,Object>	model() 数据模型
<Slf extends FlowContext> Slf	put(String key, Object value) 推入
<Slf extends FlowContext> Slf	putAll(Map<String,Object> model) 推入全部
<Slf extends FlowContext> Slf	putIfAbsent(String key, Object value) 推入
void	recovery() 恢复
void	remove(String key) 移除
Object	run(String script) Deprecated. 3.3 runScript(String)
Object	runScript(String script) 运行脚本
void	runTask(Node node, String description) 运行任务
void	setResult(Object result) 设置临时结果（有些脚本引擎必须用属性方式）
void	stop() 停止（整个流程不再后流）

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

result

public transient volatile Object result

engine

protected transient FlowEngine engine

Constructor Detail

FlowContext

public FlowContext()

FlowContext

public FlowContext(String instanceId)

Method Detail

from

public static FlowContext from(FlowContext old)

数据复制

backup

public void backup()

备份

recovery

public void recovery()

恢复

setResult

public void setResult(Object result)

设置临时结果（有些脚本引擎必须用属性方式）

getResult

public Object getResult()

获取临时结果

engine

public FlowEngine engine()

当前流程引擎

executor

@Preview(value="3.3")
 @Nullable
public ExecutorService executor()

异步执行器

executor

@Preview(value="3.3")
public FlowContext executor(ExecutorService executor)

配置异步执行器

counter

public Counter counter()

计数器

manualNext

public void manualNext(Node node)
                throws FlowException

手动下一步（可能要配合中断使用 interrupt()）

Parameters:

node - 节点

Throws:

FlowException

manualNext

public void manualNext(Node node,
                       int depth)
                throws FlowException

手动下一步（可能要配合中断使用 interrupt()）

Parameters:

node - 节点

depth - 执行深度

Throws:

FlowException

runTask

public void runTask(Node node,
                    String description)
             throws FlowException

运行任务

Parameters:

node - 节点

description - 任务描述

Throws:

FlowException

runScript

public Object runScript(String script)
                 throws InvocationTargetException

运行脚本

Parameters:

script - 脚本

Throws:

InvocationTargetException

run

@Deprecated
public Object run(String script)
                       throws InvocationTargetException

Deprecated. 3.3 runScript(String)

运行脚本

Parameters:

script - 脚本

Throws:

InvocationTargetException

isStopped

public boolean isStopped()

是否已停止

stop

public void stop()

停止（整个流程不再后流）

isInterrupted

public boolean isInterrupted()

是否已阻断

interrupt

public void interrupt()

阻断（当前分支不再后流）

interrupt

public void interrupt(boolean interrupted)

阻断重置

model

public Map<String,Object> model()

数据模型

put

public <Slf extends FlowContext> Slf put(String key,
                                         Object value)

推入

putIfAbsent

public <Slf extends FlowContext> Slf putIfAbsent(String key,
                                                 Object value)

推入

putAll

public <Slf extends FlowContext> Slf putAll(Map<String,Object> model)

推入全部

computeIfAbsent

public <T> T computeIfAbsent(String key,
                             Function<String,T> mappingFunction)

尝试完成

get

public <T> T get(String key)

获取

getOrDefault

public <T> T getOrDefault(String key,
                          T def)

获取或默认

incrAdd

public int incrAdd(String key,
                   int delta)

增量添加

incrGet

public int incrGet(String key)

增量获取

remove

public void remove(String key)

移除

getInstanceId

public String getInstanceId()

获取流实例id

eventBus

public <C,R> org.noear.dami.bus.DamiBus<C,R> eventBus()

获取事件总线（based damibus）