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//go:build genhostinfo
// +build genhostinfo
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Content before git sha 34fdeebefcbf183ed7f916f931aa0586fdaa1b40
* Copyright (c) 2016, The Gocql authors,
* provided under the BSD-3-Clause License.
* See the NOTICE file distributed with this work for additional information.
*/
package main
import (
"fmt"
"reflect"
"sync"
gocql "github.com/gocql/gocql"
)
func gen(clause, field string) {
fmt.Printf("if h.%s == %s {\n", field, clause)
fmt.Printf("\th.%s = from.%s\n", field, field)
fmt.Println("}")
}
func main() {
t := reflect.ValueOf(&gocql.HostInfo{}).Elem().Type()
mu := reflect.TypeOf(sync.RWMutex{})
for i := 0; i < t.NumField(); i++ {
f := t.Field(i)
if f.Type == mu {
continue
}
switch f.Type.Kind() {
case reflect.Slice:
gen("nil", f.Name)
case reflect.String:
gen(`""`, f.Name)
case reflect.Int:
gen("0", f.Name)
case reflect.Struct:
gen("("+f.Type.Name()+"{})", f.Name)
case reflect.Bool, reflect.Int32:
continue
default:
panic(fmt.Sprintf("unknown field: %s", f))
}
}
}
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