org.noear.solon.flow

Interface FlowContext

All Known Implementing Classes:

AbstractFlowContext, StatefulFlowContext, StatelessFlowContext

@Preview(value="3.0")
public interface FlowContext

流上下文，表示一个流实例的上下文数据（对外，不支持序列化）

Since:

3.0, 3.5

Author:

noear

Method Summary

Modifier and Type	Method and Description
default <T> T	computeIfAbsent(String key, Function<String,T> mappingFunction) 尝试完成
default <C,R> org.noear.dami.bus.DamiBus<C,R>	eventBus() 获取事件总线（based damibus）
default FlowExchanger	exchanger() 交换器（只在任务执行时可获取）
ExecutorService	executor() 异步执行器
FlowContext	executor(ExecutorService executor) 配置异步执行器
default Object	get(String key) 获取
default <T> T	getAs(String key) 获取
default String	getInstanceId() 获取流实例id
default <T> T	getOrDefault(String key, T def) 获取或默认
default int	incrAdd(String key, int delta) 增量添加
default int	incrGet(String key) 增量获取
boolean	isStateful() 是否为有状态的
Map<String,Object>	model() 数据模型
static FlowContext	of()
static FlowContext	of(String instanceId)
static FlowContext	of(String instanceId, StateController stateController)
static FlowContext	of(String instanceId, StateController stateController, StateRepository stateRepository)
default FlowContext	put(String key, Object value) 推入
default FlowContext	putAll(Map<String,Object> model) 推入全部
default FlowContext	putIfAbsent(String key, Object value) 推入
default void	remove(String key) 移除
StatefulSupporter	statefulSupporter() 获取有状态的支持者

Method Detail

of

static FlowContext of()

of

static FlowContext of(String instanceId)

of

static FlowContext of(String instanceId,
                      StateController stateController,
                      StateRepository stateRepository)

of

static FlowContext of(String instanceId,
                      StateController stateController)

executor

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

异步执行器

executor

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

配置异步执行器

exchanger

@Preview(value="3.5")
 @Nullable
default FlowExchanger exchanger()

交换器（只在任务执行时可获取）

Since:

3.5

model

Map<String,Object> model()

数据模型

getInstanceId

default String getInstanceId()

获取流实例id

isStateful

@Preview(value="3.5")
boolean isStateful()

是否为有状态的

statefulSupporter

@Preview(value="3.5")
StatefulSupporter statefulSupporter()

获取有状态的支持者

eventBus

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

获取事件总线（based damibus）

put

default FlowContext put(String key,
                        Object value)

推入

putIfAbsent

default FlowContext putIfAbsent(String key,
                                Object value)

推入

putAll

default FlowContext putAll(Map<String,Object> model)

推入全部

computeIfAbsent

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

尝试完成

get

default Object get(String key)

获取

getAs

default <T> T getAs(String key)

获取

getOrDefault

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

获取或默认

incrAdd

default int incrAdd(String key,
                    int delta)

增量添加

incrGet

default int incrGet(String key)

增量获取

remove

default void remove(String key)

移除