Hibernate optimist locking code snippet #11

snippet.groovy

// Use any domain class
MyDomain.withTransaction { txn ->
    // Load objects
    def object = MyDomain.lock(params.id)
    def objectList = OtherDomain.findAllBySomething('x', [lock:true])

    // If you need to check versions for UX…
    if (object.version != params.versionShownToUser) {
            // break out of here and tell the user it changed
            // good luck with that...
            return
    }

    // Make some changes
    object.property1 = 'hello'
    objectList.each { o -> o.message = "testing" }
}