新建

李林

2023-10-07 658d4927d468c47208fd012d9128b09249c07eff

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package com.chinaztt.mes.production.state.productmain;
 
import com.chinaztt.mes.production.entity.ProductMain;
import com.chinaztt.mes.production.state.productmain.constant.ProductMainEvents;
import com.chinaztt.mes.production.state.productmain.constant.ProductMainStates;
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: zhangxy
 * @Date: 2020-08-24 17:21
 */
@Configuration
@EnableStateMachineFactory(name = "productMainStateMachineFactory")
public class ProductMainStateMachineConfig extends EnumStateMachineConfigurerAdapter<ProductMainStates, ProductMainEvents> {
 
    public final static String MACHINE_ID = "productMainStateMachine";
 
    @Override
    public void configure(StateMachineStateConfigurer<ProductMainStates, ProductMainEvents> states) throws Exception {
        states.withStates()
                .initial(ProductMainStates.DRAFT)
                .states(EnumSet.allOf(ProductMainStates.class));
    }
 
    @Override
    public void configure(StateMachineTransitionConfigurer<ProductMainStates, ProductMainEvents> transitions) throws Exception {
        transitions
                .withExternal()
                .source(ProductMainStates.PROCESSING).target(ProductMainStates.SUBMITTED)
                .event(ProductMainEvents.SUBMIT)
                .and()
                .withExternal()
                .source(ProductMainStates.SUBMITTED).target(ProductMainStates.DRAFT)
                .event(ProductMainEvents.REVOKE)
                .and()
                .withExternal()
                .source(ProductMainStates.CHANGESHIFT).target(ProductMainStates.DRAFT)
                .event(ProductMainEvents.CHANGESHIFTTODRAFT)
                .and()
                .withExternal()
                .source(ProductMainStates.DRAFT).target(ProductMainStates.CHANGESHIFT)
                .event(ProductMainEvents.DRAFTTOCHANGESHIFT)
                .and()
                .withExternal()
                .source(ProductMainStates.DRAFT).target(ProductMainStates.SUBMITTED)
                .event(ProductMainEvents.SUBMIT);
    }
 
    @Override
    public void configure(StateMachineConfigurationConfigurer<ProductMainStates, ProductMainEvents> config)
            throws Exception {
        config.withConfiguration().machineId(MACHINE_ID);
    }
 
    /**
     * 持久化配置
     *
     * @return
     */
    @Bean(name = "productMainPersister")
    public StateMachinePersister<ProductMainStates, ProductMainEvents, ProductMain> persister() {
        return new DefaultStateMachinePersister<>(new StateMachinePersist<ProductMainStates, ProductMainEvents, ProductMain>() {
            @Override
            public void write(StateMachineContext<ProductMainStates, ProductMainEvents> stateMachineContext, ProductMain operationTask) throws Exception {
 
            }
 
            @Override
            public StateMachineContext<ProductMainStates, ProductMainEvents> read(ProductMain operationTask) throws Exception {
                StateMachineContext<ProductMainStates, ProductMainEvents> result = new DefaultStateMachineContext<ProductMainStates, ProductMainEvents>(ProductMainStates.getEnum(operationTask.getState()),
                        null, null, null, null, MACHINE_ID);
                return result;
            }
        });
    }
 
}