// Copyright © 2016 Abcum Ltd
//
// Licensed 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.

package sql

import (
	"time"
)

{{with $types := .}}{{range $k := $types}}

func (s *{{$k.name}}Statement) Begin() {
	if s.Timeout == 0 {
		return
	}
	if s.killable.closer == nil {
		s.killable.closer = make(chan struct{})
	}
	s.killable.ticker = time.AfterFunc(s.Timeout, func() {
		s.killable.ticker.Stop()
		s.killable.ticker = nil
		close(s.killable.closer)
	})
}

func (s *{{$k.name}}Statement) Cease() {
	if s.Timeout == 0 {
		return
	}
	if s.killable.closer == nil {
		s.killable.closer = make(chan struct{})
	}
	if s.killable.ticker != nil {
		s.killable.ticker.Stop()
	}
}

func (s *{{$k.name}}Statement) Duration() time.Duration {
	return s.Timeout
}

func (s *{{$k.name}}Statement) Timedout() <-chan struct{} {
	if s.Timeout == 0 {
		return nil
	}
	if s.killable.closer == nil {
		s.killable.closer = make(chan struct{})
	}
	return s.killable.closer
}

{{end}}{{end}}