新建

李林

2023-10-07 658d4927d468c47208fd012d9128b09249c07eff

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package com.chinaztt.mes.production.state.operationtask;
 
import com.chinaztt.mes.production.entity.OperationTask;
import com.chinaztt.mes.production.state.operationtask.constant.OperationTaskEvents;
import com.chinaztt.mes.production.state.operationtask.constant.OperationTaskStates;
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 = "operationTaskStateMachineFactory")
public class OperationTaskStateMachineConfig extends EnumStateMachineConfigurerAdapter<OperationTaskStates, OperationTaskEvents> {
 
    public final static String MACHINE_ID = "operationTaskStateMachine";
 
    @Override
    public void configure(StateMachineStateConfigurer<OperationTaskStates, OperationTaskEvents> states) throws Exception {
        states.withStates()
                .initial(OperationTaskStates.PENDING)
                .states(EnumSet.allOf(OperationTaskStates.class));
    }
 
    @Override
    public void configure(StateMachineTransitionConfigurer<OperationTaskStates, OperationTaskEvents> transitions) throws Exception {
        transitions
                .withExternal()
                .source(OperationTaskStates.PENDING).target(OperationTaskStates.INPROGRESS)
                .event(OperationTaskEvents.START)
                .and()
 
                .withExternal()
                .source(OperationTaskStates.INTERRUPTED).target(OperationTaskStates.INPROGRESS)
                .event(OperationTaskEvents.START)
                .and()
 
                .withExternal()
                .source(OperationTaskStates.INPROGRESS).target(OperationTaskStates.INTERRUPTED)
                .event(OperationTaskEvents.INTERRUPT)
                .and()
 
                .withExternal()
                .source(OperationTaskStates.INPROGRESS).target(OperationTaskStates.COMPLETED)
                .event(OperationTaskEvents.COMPLETE)
                .and()
 
                .withExternal()
                .source(OperationTaskStates.PENDING).target(OperationTaskStates.CANCELED)
                .event(OperationTaskEvents.CANCEL)
                .and()
 
                .withExternal()
                .source(OperationTaskStates.INTERRUPTED).target(OperationTaskStates.CANCELED)
                .event(OperationTaskEvents.CANCEL)
                .and()
 
                .withExternal()
                .source(OperationTaskStates.INPROGRESS).target(OperationTaskStates.CANCELED)
                .event(OperationTaskEvents.CANCEL)
                .and()
 
                .withExternal()
                .source(OperationTaskStates.COMPLETED).target(OperationTaskStates.INPROGRESS)
                .event(OperationTaskEvents.START);
    }
 
    @Override
    public void configure(StateMachineConfigurationConfigurer<OperationTaskStates, OperationTaskEvents> config)
            throws Exception {
        config.withConfiguration().machineId(MACHINE_ID);
    }
 
    /**
     * 持久化配置
     *
     * @return
     */
    @Bean(name = "operationTaskPersister")
    public StateMachinePersister<OperationTaskStates, OperationTaskEvents, OperationTask> persister() {
        return new DefaultStateMachinePersister<>(new StateMachinePersist<OperationTaskStates, OperationTaskEvents, OperationTask>() {
            @Override
            public void write(StateMachineContext<OperationTaskStates, OperationTaskEvents> stateMachineContext, OperationTask operationTask) throws Exception {
 
            }
 
            @Override
            public StateMachineContext<OperationTaskStates, OperationTaskEvents> read(OperationTask operationTask) throws Exception {
                StateMachineContext<OperationTaskStates, OperationTaskEvents> result = new DefaultStateMachineContext<OperationTaskStates, OperationTaskEvents>(OperationTaskStates.getEnum(operationTask.getState()),
                        null, null, null, null, MACHINE_ID);
                return result;
            }
        });
    }
 
}