新建

李林

2023-10-07 658d4927d468c47208fd012d9128b09249c07eff

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package com.chinaztt.mes.warehouse.state;
 
import com.chinaztt.mes.warehouse.entity.ReserveMain;
import com.chinaztt.mes.warehouse.state.constant.ReserveEvents;
import com.chinaztt.mes.warehouse.state.constant.ReserveStates;
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: sunxl
 * @Date: 2020-08-24 17:21
 */
@Configuration
@EnableStateMachineFactory(name = "reserveStateMachineFactory")
public class ReserveStateMachineConfig extends EnumStateMachineConfigurerAdapter<ReserveStates, ReserveEvents> {
 
    public final static String MACHINE_ID = "reserveStateMachine";
 
    @Override
    public void configure(StateMachineStateConfigurer<ReserveStates, ReserveEvents> states) throws Exception {
        states.withStates()
                .initial(ReserveStates.CREATE)
                .states(EnumSet.allOf(ReserveStates.class));
    }
 
    @Override
    public void configure(StateMachineTransitionConfigurer<ReserveStates, ReserveEvents> transitions) throws Exception {
        transitions
                .withExternal()
                .source(ReserveStates.CREATE).target(ReserveStates.PERFORMED)
                .event(ReserveEvents.perform)
                .and()
                .withExternal()
                .source(ReserveStates.PERFORMED).target(ReserveStates.HANDLING)
                .event(ReserveEvents.handle);
    }
 
    @Override
    public void configure(StateMachineConfigurationConfigurer<ReserveStates, ReserveEvents> config)
            throws Exception {
        config.withConfiguration().machineId(MACHINE_ID);
    }
 
    /**
     * 持久化配置
     *
     * @return
     */
    @Bean(name ="reserveMainPersister")
    public StateMachinePersister<ReserveStates, ReserveEvents, ReserveMain> persister() {
        return new DefaultStateMachinePersister<>(new StateMachinePersist<ReserveStates, ReserveEvents, ReserveMain>() {
            @Override
            public void write(StateMachineContext<ReserveStates, ReserveEvents> stateMachineContext, ReserveMain reserveMain) throws Exception {
 
            }
 
            @Override
            public StateMachineContext<ReserveStates, ReserveEvents> read(ReserveMain reserveMain) throws Exception {
                StateMachineContext<ReserveStates, ReserveEvents> result = new DefaultStateMachineContext<ReserveStates, ReserveEvents>(ReserveStates.getEnum(reserveMain.getResStatus()),
                        null, null, null, null, MACHINE_ID);
                return result;
            }
        });
    }
 
}