/
iterator.generated.go
244 lines (218 loc) · 6.01 KB
/
iterator.generated.go
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// Code generated by go generate cmd/definitions; DO NOT EDIT.
package types
import (
"context"
"errors"
"fmt"
)
type Continuable interface {
ContinuationToken() string
}
// NextBlockFunc is the func used in iterator.
//
// Notes
// - ErrDone should be return while there are no items any more.
// - Input Block slice should be set every time.
type NextBlockFunc func(ctx context.Context, page *BlockPage) error
type BlockPage struct {
Status Continuable
Data []*Block
}
type BlockIterator struct {
ctx context.Context
next NextBlockFunc
index int
done bool
o BlockPage
}
func NewBlockIterator(ctx context.Context, next NextBlockFunc, status Continuable) *BlockIterator {
return &BlockIterator{ctx: ctx, next: next, o: BlockPage{Status: status}}
}
func (it *BlockIterator) ContinuationToken() string {
return it.o.Status.ContinuationToken()
}
func (it *BlockIterator) Next() (object *Block, err error) {
// Consume Data via index.
// Consume Data via index.
if it.index < len(it.o.Data) {
it.index++
return it.o.Data[it.index-1], nil
}
// Return IterateDone if iterator is already done.
if it.done {
return nil, IterateDone
}
// Reset buf before call next.
it.o.Data = it.o.Data[:0]
err = it.next(it.ctx, &it.o)
if err != nil && !errors.Is(err, IterateDone) {
return nil, fmt.Errorf("iterator next failed: %w", err)
}
// Make iterator to done so that we will not fetch from upstream anymore.
if err != nil {
it.done = true
}
// Return IterateDone directly if we don't have any data.
if len(it.o.Data) == 0 {
return nil, IterateDone
}
// Return the first object.
it.index = 1
return it.o.Data[0], nil
}
// NextObjectFunc is the func used in iterator.
//
// Notes
// - ErrDone should be return while there are no items any more.
// - Input Object slice should be set every time.
type NextObjectFunc func(ctx context.Context, page *ObjectPage) error
type ObjectPage struct {
Status Continuable
Data []*Object
}
type ObjectIterator struct {
ctx context.Context
next NextObjectFunc
index int
done bool
o ObjectPage
}
func NewObjectIterator(ctx context.Context, next NextObjectFunc, status Continuable) *ObjectIterator {
return &ObjectIterator{ctx: ctx, next: next, o: ObjectPage{Status: status}}
}
func (it *ObjectIterator) ContinuationToken() string {
return it.o.Status.ContinuationToken()
}
func (it *ObjectIterator) Next() (object *Object, err error) {
// Consume Data via index.
// Consume Data via index.
if it.index < len(it.o.Data) {
it.index++
return it.o.Data[it.index-1], nil
}
// Return IterateDone if iterator is already done.
if it.done {
return nil, IterateDone
}
// Reset buf before call next.
it.o.Data = it.o.Data[:0]
err = it.next(it.ctx, &it.o)
if err != nil && !errors.Is(err, IterateDone) {
return nil, fmt.Errorf("iterator next failed: %w", err)
}
// Make iterator to done so that we will not fetch from upstream anymore.
if err != nil {
it.done = true
}
// Return IterateDone directly if we don't have any data.
if len(it.o.Data) == 0 {
return nil, IterateDone
}
// Return the first object.
it.index = 1
return it.o.Data[0], nil
}
// NextPartFunc is the func used in iterator.
//
// Notes
// - ErrDone should be return while there are no items any more.
// - Input Part slice should be set every time.
type NextPartFunc func(ctx context.Context, page *PartPage) error
type PartPage struct {
Status Continuable
Data []*Part
}
type PartIterator struct {
ctx context.Context
next NextPartFunc
index int
done bool
o PartPage
}
func NewPartIterator(ctx context.Context, next NextPartFunc, status Continuable) *PartIterator {
return &PartIterator{ctx: ctx, next: next, o: PartPage{Status: status}}
}
func (it *PartIterator) ContinuationToken() string {
return it.o.Status.ContinuationToken()
}
func (it *PartIterator) Next() (object *Part, err error) {
// Consume Data via index.
// Consume Data via index.
if it.index < len(it.o.Data) {
it.index++
return it.o.Data[it.index-1], nil
}
// Return IterateDone if iterator is already done.
if it.done {
return nil, IterateDone
}
// Reset buf before call next.
it.o.Data = it.o.Data[:0]
err = it.next(it.ctx, &it.o)
if err != nil && !errors.Is(err, IterateDone) {
return nil, fmt.Errorf("iterator next failed: %w", err)
}
// Make iterator to done so that we will not fetch from upstream anymore.
if err != nil {
it.done = true
}
// Return IterateDone directly if we don't have any data.
if len(it.o.Data) == 0 {
return nil, IterateDone
}
// Return the first object.
it.index = 1
return it.o.Data[0], nil
}
// NextStoragerFunc is the func used in iterator.
//
// Notes
// - ErrDone should be return while there are no items any more.
// - Input Storager slice should be set every time.
type NextStoragerFunc func(ctx context.Context, page *StoragerPage) error
type StoragerPage struct {
Status Continuable
Data []Storager
}
type StoragerIterator struct {
ctx context.Context
next NextStoragerFunc
index int
done bool
o StoragerPage
}
func NewStoragerIterator(ctx context.Context, next NextStoragerFunc, status Continuable) *StoragerIterator {
return &StoragerIterator{ctx: ctx, next: next, o: StoragerPage{Status: status}}
}
func (it *StoragerIterator) ContinuationToken() string {
return it.o.Status.ContinuationToken()
}
func (it *StoragerIterator) Next() (object Storager, err error) {
// Consume Data via index.
// Consume Data via index.
if it.index < len(it.o.Data) {
it.index++
return it.o.Data[it.index-1], nil
}
// Return IterateDone if iterator is already done.
if it.done {
return nil, IterateDone
}
// Reset buf before call next.
it.o.Data = it.o.Data[:0]
err = it.next(it.ctx, &it.o)
if err != nil && !errors.Is(err, IterateDone) {
return nil, fmt.Errorf("iterator next failed: %w", err)
}
// Make iterator to done so that we will not fetch from upstream anymore.
if err != nil {
it.done = true
}
// Return IterateDone directly if we don't have any data.
if len(it.o.Data) == 0 {
return nil, IterateDone
}
// Return the first object.
it.index = 1
return it.o.Data[0], nil
}