Form Validation (validate) 1.13.1+

validate is triggered before add and update operations are saved, and is dedicated to data validation: throw EruptException (or its subclass EruptApiErrorTip) to reject the operation and show the error message to the user.

Code Example

@Service
public class EruptTestDataProxy implements DataProxy<EruptTest> {

    @Override
    public void validate(EruptTest model) throws EruptException {
        if ("John".equals(model.getName())) {
            throw new EruptApiErrorTip("Name 'John' is not allowed!");
        }
        if (model.getEndDate().before(model.getStartDate())) {
            throw new EruptApiErrorTip("End date cannot be earlier than start date");
        }
    }

}

validate() vs before* Methods

	validate()	beforeAdd() / beforeUpdate()
Purpose	Data validation — reject the operation if it fails	Modify data or execute business logic before saving
Since	1.13.1+	All versions
Recommended for	Format checks, business rule validation	Auto-filling fields, calling external services

@Override
public void validate(EruptTest model) throws EruptException {
    // Recommended: pure validation logic, do not modify data here
    if (model.getEndDate().before(model.getStartDate())) {
        throw new EruptApiErrorTip("End date cannot be earlier than start date");
    }
}

@Override
public void beforeAdd(EruptTest model) {
    // Recommended: modify or supplement data
    model.setCreateBy(getCurrentUser());
}

Contributors

YuePeng

Claude Opus 5 (1M context)

Changelog

Last edited 2 minutes ago

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f3752b9-filter: add a role-based row-level data filtering example