forked from hashgraph/hedera-sdk-go
/
lockable_slice.go
111 lines (93 loc) · 2.56 KB
/
lockable_slice.go
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package hedera
/*-
*
* Hedera Go SDK
*
* Copyright (C) 2020 - 2022 Hedera Hashgraph, LLC
*
* 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.
*
*/
type _LockableSlice struct {
slice []interface{}
locked bool
index int
}
func _NewLockableSlice() *_LockableSlice {
return &_LockableSlice{
slice: []interface{}{},
}
}
func (this *_LockableSlice) _RequireNotLocked() {
if this.locked {
panic(errLockedSlice)
}
}
func (this *_LockableSlice) _SetLocked(locked bool) *_LockableSlice { // nolint
this.locked = locked
return this
}
func (this *_LockableSlice) _SetSlice(slice []interface{}) *_LockableSlice { //nolint
this._RequireNotLocked()
this.slice = slice
this.index = 0
return this
}
func (this *_LockableSlice) _Push(items ...interface{}) *_LockableSlice {
this._RequireNotLocked()
this.slice = append(this.slice, items...)
return this
}
func (this *_LockableSlice) _Clear() *_LockableSlice { //nolint
this._RequireNotLocked()
this.slice = []interface{}{}
return this
}
func (this *_LockableSlice) _Get(index int) interface{} { //nolint
return this.slice[index]
}
func (this *_LockableSlice) _Set(index int, item interface{}) *_LockableSlice { //nolint
this._RequireNotLocked()
if len(this.slice) == index {
this.slice = append(this.slice, item)
} else {
this.slice[index] = item
}
return this
}
func (this *_LockableSlice) _SetIfAbsent(index int, item interface{}) *_LockableSlice { //nolint
this._RequireNotLocked()
if len(this.slice) == index || this.slice[index] == nil {
this._Set(index, item)
}
return this
}
func (this *_LockableSlice) _GetNext() interface{} { //nolint
return this._Get(this._Advance())
}
func (this *_LockableSlice) _GetCurrent() interface{} { //nolint
return this._Get(this.index)
}
func (this *_LockableSlice) _Advance() int { //nolint
index := this.index
if len(this.slice) != 0 {
this.index = (this.index + 1) % len(this.slice)
}
return index
}
func (this *_LockableSlice) _IsEmpty() bool { //nolint
return len(this.slice) == 0
}
func (this *_LockableSlice) _Length() int { //nolint
return len(this.slice)
}