The Grails Framework 3.2.6

(Quick Reference) ## validate ### Purpose Validates a domain class against the applied constraints (see validation) ### Description The `validate` method validates a domain class based on its defined Constraints. The errors are stored in the errors property of the domain class instance. The `validate` method accepts an optional `List` argument which contains the names of the properties to be validated. When a `List` of names is specified, only those properties will be validated. ### Examples
    def b = new Book(title: "The Shining")
    if (!b.validate()) {
        b.errors.allErrors.each {
            println it
        }
    }
    def a = new Album(artist: "Genesis", title: "Nursery Cryme", releaseDate: 1971)

    // only validate title and releaseDate
    if (!a.validate(["title", "releaseDate"])) {
        a.errors.allErrors.each {
            println it
        }
    }
Parameters: `deepValidate` (optional) - Whether associations of the domain instance should also be validated, i.e. whether validation cascades. This is `true` by default; set it to `false` to disable cascading validation. | Quick Reference (hide)