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asserts.go
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asserts.go
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/*
* Copyright (c) 2002-2020 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* 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 bolt
import (
"errors"
"fmt"
"github.com/neo4j/neo4j-go-driver/neo4j/internal/db"
)
func assertHandle(log func(error), id int64, h db.Handle) error {
hid, ok := h.(int64)
if !ok || hid != id {
err := errors.New("Invalid handle")
log(err)
return err
}
return nil
}
func invalidStateError(state int, expected []int) error {
return errors.New(fmt.Sprintf("Invalid state %d, expected: %+v", state, expected))
}
func assertStates(log func(error), state int, allowed []int) error {
for _, a := range allowed {
if state == a {
return nil
}
}
err := invalidStateError(state, allowed)
log(err)
return err
}
func assertState(log func(error), state, allowed int) error {
if state != allowed {
err := invalidStateError(state, []int{allowed})
log(err)
return err
}
return nil
}