dev 契约锁

P15GEN2\59518

2024-05-29 d4210c7c4b04abde20037ea8aa0f54ef8a2649aa

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package foundation.data.rule;
 
import foundation.dao.bizlogic.ICodeProvider;
import foundation.data.entity.Entity;
import foundation.data.meta.field.Field;
import foundation.data.object.IParamProvider;
import foundation.handler.IMessageReporter;
import foundation.variant.provider.DataEvent;
 
public class FieldDefaultValueRule {
 
    private RuleSource source;
    private Field field;
    private DataEvent dataEvent;
    private String rule;
    private FieldDefaultValueCreator valueCreator;
    private String remark;
 
    
    public FieldDefaultValueRule(Field field, String rule, RuleSource source, String remark) throws Exception {
        this.field = field;
        this.rule = rule;
        this.source = source;
        this.remark = remark;
        
        valueCreator = FieldDefaultValueCreator.getInstance(field.getName(), rule);
    }
    
    public FieldDefaultValueRule(Field field, FieldDefaultValueCreator creator, RuleSource source) throws Exception {
        this.field = field;
        this.valueCreator = creator;
        this.source = source;
        this.remark = field.getLabelChinese();
    }
 
    public void exec(DataEvent dataEvent, Entity entity, IParamProvider paramProvider, IMessageReporter reporter) {
        if (valueCreator == null) {
            return;
        }
        
        if (this.dataEvent != null && !this.dataEvent.isCompatibleWith(dataEvent)) {
            return;
        }
        
        Object value = valueCreator.exec(dataEvent, entity, paramProvider);
        
        if (reporter != null) {
            String str = String.valueOf(value);
            reporter.reportOneMessage("默认值", remark + "=" + str);
        }
    }
 
    public String getRule() {
        return rule;
    }
 
    public DataEvent getDataEvent() {
        return dataEvent;
    }
 
    public void setDataEvent(DataEvent dataEvent) {
        this.dataEvent = dataEvent;
    }
 
    public String getFieldName() {
        return field.getName();
    }
 
    public RuleSource getSource() {
        return source;
    }
 
    public String getRemark() {
        return remark;
    }
    
    public FieldDefaultValueCreator getValueCreator() {
        return valueCreator;
    }
 
    public FieldDefaultValueType getType() {
        if (valueCreator == null) {
            return null;
        }
        
        return valueCreator.getType();
    }
 
    public ICodeProvider getCodeProvider() {
        ICodeProvider provider = ICodeProvider.getInstance(field, rule);
        return provider;
    }
    
}