新建

李林

2023-10-07 658d4927d468c47208fd012d9128b09249c07eff

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package com.chinaztt.mes.warehouse.state.joinstockorder;
 
import com.chinaztt.mes.warehouse.entity.JoinStockOrder;
import com.chinaztt.mes.warehouse.state.joinstockorder.constant.JoinStockOrderEvents;
import com.chinaztt.mes.warehouse.state.joinstockorder.constant.JoinStockOrderStates;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.statemachine.StateMachineContext;
import org.springframework.statemachine.StateMachinePersist;
import org.springframework.statemachine.config.EnableStateMachineFactory;
import org.springframework.statemachine.config.EnumStateMachineConfigurerAdapter;
import org.springframework.statemachine.config.builders.StateMachineConfigurationConfigurer;
import org.springframework.statemachine.config.builders.StateMachineStateConfigurer;
import org.springframework.statemachine.config.builders.StateMachineTransitionConfigurer;
import org.springframework.statemachine.persist.DefaultStateMachinePersister;
import org.springframework.statemachine.persist.StateMachinePersister;
import org.springframework.statemachine.support.DefaultStateMachineContext;
 
import java.util.EnumSet;
 
/**
 * @Author: cxf
 * @Date: 2020-07-24 17:21
 */
@Configuration
@EnableStateMachineFactory(name = "joinStockOrderStateMachineFactory")
public class JoinStockOrderStateMachineConfig extends EnumStateMachineConfigurerAdapter<JoinStockOrderStates, JoinStockOrderEvents> {
 
    public final static String MACHINE_ID = "joinStockOrderStateMachine";
 
    @Override
    public void configure(StateMachineStateConfigurer<JoinStockOrderStates, JoinStockOrderEvents> states) throws Exception {
        states.withStates()
                .initial(JoinStockOrderStates.UNCONFIRMED)
                .states(EnumSet.allOf(JoinStockOrderStates.class));
    }
 
    @Override
    public void configure(StateMachineTransitionConfigurer<JoinStockOrderStates, JoinStockOrderEvents> transitions) throws Exception {
        transitions
                .withExternal()
                .source(JoinStockOrderStates.UNCONFIRMED).target(JoinStockOrderStates.CONFIRMED)
                .event(JoinStockOrderEvents.CONFIRM)
                .and()
                .withExternal()
                .source(JoinStockOrderStates.CONFIRMED).target(JoinStockOrderStates.UNCONFIRMED)
                .event(JoinStockOrderEvents.CANCEL);
    }
 
    @Override
    public void configure(StateMachineConfigurationConfigurer<JoinStockOrderStates, JoinStockOrderEvents> config)
            throws Exception {
        config.withConfiguration().machineId(MACHINE_ID);
    }
 
    /**
     * 持久化配置
     *
     * @return
     */
    @Bean(name = "joinStockOrderPersister")
    public StateMachinePersister<JoinStockOrderStates, JoinStockOrderEvents, JoinStockOrder> persister() {
        return new DefaultStateMachinePersister<>(new StateMachinePersist<JoinStockOrderStates, JoinStockOrderEvents, JoinStockOrder>() {
            @Override
            public void write(StateMachineContext<JoinStockOrderStates, JoinStockOrderEvents> stateMachineContext, JoinStockOrder joinStockOrder) throws Exception {
 
            }
 
            @Override
            public StateMachineContext<JoinStockOrderStates, JoinStockOrderEvents> read(JoinStockOrder joinStockOrder) throws Exception {
                StateMachineContext<JoinStockOrderStates, JoinStockOrderEvents> result =
                        new DefaultStateMachineContext<JoinStockOrderStates, JoinStockOrderEvents>(JoinStockOrderStates.getEnum(joinStockOrder.getStatus()),
                                null, null, null, null, MACHINE_ID);
                return result;
            }
        });
    }
 
}