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update Exception

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tursom
2021-05-21 16:57:33 +08:00
parent 7542a75282
commit 569bc35090
9 changed files with 63 additions and 75 deletions
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12
collections/ArrayList.go
View File

@@ -59,7 +59,7 @@ func (a ArrayList) IndexOf(element interface{}) int {
return -1
}
func (a *ArrayList) Remove(element interface{}) error {
func (a *ArrayList) Remove(element interface{}) exceptions.Exception {
index := a.IndexOf(element)
if index < 0 {
return exceptions.NewElementNotFoundException("", true)
@@ -84,7 +84,7 @@ func (a *ArrayList) Clear() {
a.used = 0
}
func (a ArrayList) Get(index uint32) (interface{}, error) {
func (a ArrayList) Get(index uint32) (interface{}, exceptions.Exception) {
if index >= a.used {
return nil, exceptions.NewIndexOutOfBound("", true)
} else {
@@ -96,7 +96,7 @@ func (a ArrayList) SubList(from, to uint32) List {
return NewSubList(a, from, to)
}
func (a *ArrayList) Set(index uint32, element interface{}) error {
func (a *ArrayList) Set(index uint32, element interface{}) exceptions.Exception {
if index >= a.used {
return exceptions.NewIndexOutOfBound("", true)
}
@@ -118,7 +118,7 @@ func (a *ArrayList) AddAtIndex(index uint32, element interface{}) bool {
return true
}
func (a *ArrayList) RemoveAt(index uint32) error {
func (a *ArrayList) RemoveAt(index uint32) exceptions.Exception {
if index >= a.used {
return exceptions.NewIndexOutOfBound("", true)
}
@@ -148,7 +148,7 @@ func (a *arrayListIterator) HasNext() bool {
return a.index < a.arrayList.used
}
func (a *arrayListIterator) Next() (interface{}, error) {
func (a *arrayListIterator) Next() (interface{}, exceptions.Exception) {
value, err := a.arrayList.Get(a.index)
if err != nil {
return nil, err
@@ -157,7 +157,7 @@ func (a *arrayListIterator) Next() (interface{}, error) {
return value, nil
}
func (a *arrayListIterator) Remove() error {
func (a *arrayListIterator) Remove() exceptions.Exception {
err := a.arrayList.RemoveAt(a.index - 1)
if err != nil {
return err

22
collections/Collection.go
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@@ -24,7 +24,7 @@ type (
MutableIterator() MutableIterator
Add(element interface{}) bool
Remove(element interface{}) error
Remove(element interface{}) exceptions.Exception
AddAll(c Collection) bool
RemoveAll(c Collection) bool
RetainAll(c Collection) bool
@@ -38,7 +38,7 @@ type (
Contains(element interface{}) bool
ContainsAll(c Collection) bool
Get(index uint32) (interface{}, error)
Get(index uint32) (interface{}, exceptions.Exception)
SubList(from, to uint32) List
}
@@ -51,24 +51,24 @@ type (
MutableIterator() MutableIterator
Add(element interface{}) bool
Remove(element interface{}) error
Remove(element interface{}) exceptions.Exception
AddAll(c Collection) bool
RemoveAll(c Collection) bool
RetainAll(c Collection) bool
Clear()
Get(index uint32) (interface{}, error)
Get(index uint32) (interface{}, exceptions.Exception)
SubList(from, to uint32) List
Set(index uint32, element interface{}) error
Set(index uint32, element interface{}) exceptions.Exception
AddAtIndex(index uint32, element interface{}) bool
RemoveAt(index uint32) error
RemoveAt(index uint32) exceptions.Exception
SubMutableList(from, to uint32) MutableList
}
)
func Contains(l Collection, element interface{}) bool {
return Loop(l, func(e interface{}) error {
return Loop(l, func(e interface{}) exceptions.Exception {
if e == element {
return exceptions.ElementFound
}
@@ -77,7 +77,7 @@ func Contains(l Collection, element interface{}) bool {
}
func ContainsAll(l Collection, collection Collection) bool {
return Loop(collection, func(e interface{}) error {
return Loop(collection, func(e interface{}) exceptions.Exception {
if l.Contains(e) {
return nil
} else {
@@ -87,7 +87,7 @@ func ContainsAll(l Collection, collection Collection) bool {
}
func AddAll(l MutableCollection, collection Collection) bool {
return Loop(collection, func(e interface{}) error {
return Loop(collection, func(e interface{}) exceptions.Exception {
if !l.Add(e) {
return exceptions.CollectionLoopFinished
}
@@ -96,13 +96,13 @@ func AddAll(l MutableCollection, collection Collection) bool {
}
func RemoveAll(l MutableCollection, collection Collection) bool {
return Loop(collection, func(e interface{}) error {
return Loop(collection, func(e interface{}) exceptions.Exception {
return l.Remove(e)
}) == nil
}
func RetainAll(l MutableCollection, collection Collection) bool {
return LoopMutable(l, func(element interface{}, iterator MutableIterator) error {
return LoopMutable(l, func(element interface{}, iterator MutableIterator) exceptions.Exception {
if !collection.Contains(element) {
return iterator.Remove()
}

32
collections/Iterable.go
View File

@@ -4,7 +4,7 @@ import "github.com/tursom/GoCollections/exceptions"
type Iterator interface {
HasNext() bool
Next() (interface{}, error)
Next() (interface{}, exceptions.Exception)
}
type Iterable interface {
@@ -13,8 +13,8 @@ type Iterable interface {
type MutableIterator interface {
HasNext() bool
Next() (interface{}, error)
Remove() error
Next() (interface{}, exceptions.Exception)
Remove() exceptions.Exception
}
type MutableIterable interface {
@@ -22,11 +22,24 @@ type MutableIterable interface {
MutableIterator() MutableIterator
}
func Loop(iterable Iterable, f func(element interface{}) error) error {
if f == nil {
func Loop(iterable Iterable, f func(element interface{}) exceptions.Exception) exceptions.Exception {
if f == nil || iterable == nil {
return exceptions.NewNPE("", true)
}
return LoopIterator(iterable.Iterator(), f)
}
func LoopMutable(iterable MutableIterable, f func(element interface{}, iterator MutableIterator) (err exceptions.Exception)) exceptions.Exception {
if f == nil || iterable == nil {
return exceptions.NewNPE("", true)
}
return LoopMutableIterator(iterable.MutableIterator(), f)
}
func LoopIterator(iterator Iterator, f func(element interface{}) exceptions.Exception) exceptions.Exception {
if f == nil || iterator == nil {
return exceptions.NewNPE("", true)
}
iterator := iterable.Iterator()
for iterator.HasNext() {
next, err := iterator.Next()
if err != nil {
@@ -40,11 +53,10 @@ func Loop(iterable Iterable, f func(element interface{}) error) error {
return nil
}
func LoopMutable(iterable MutableIterable, f func(element interface{}, iterator MutableIterator) (err error)) error {
if f == nil {
return nil
func LoopMutableIterator(iterator MutableIterator, f func(element interface{}, iterator MutableIterator) (err exceptions.Exception)) exceptions.Exception {
if f == nil || iterator == nil {
return exceptions.NewNPE("", true)
}
iterator := iterable.MutableIterator()
for iterator.HasNext() {
next, err := iterator.Next()
if err != nil {

14
collections/LinkedList.go
View File

@@ -50,8 +50,8 @@ func (l *LinkedList) Add(element interface{}) bool {
return true
}
func (l *LinkedList) Remove(element interface{}) error {
err := LoopMutable(l, func(e interface{}, iterator MutableIterator) error {
func (l *LinkedList) Remove(element interface{}) exceptions.Exception {
err := LoopMutable(l, func(e interface{}, iterator MutableIterator) exceptions.Exception {
if element == e {
iterator.Remove()
return exceptions.CollectionLoopFinished
@@ -86,7 +86,7 @@ func (l LinkedList) SubList(from, to uint32) List {
return NewSubList(l, from, to)
}
func (l *LinkedList) Set(index uint32, element interface{}) error {
func (l *LinkedList) Set(index uint32, element interface{}) exceptions.Exception {
node := l.head
for node != l.head {
if index == 0 {
@@ -112,7 +112,7 @@ func (l *LinkedList) AddAtIndex(index uint32, element interface{}) bool {
return false
}
func (l *LinkedList) RemoveAt(index uint32) error {
func (l *LinkedList) RemoveAt(index uint32) exceptions.Exception {
node := l.head
for node != l.head {
if index == 0 {
@@ -129,7 +129,7 @@ func (l *LinkedList) SubMutableList(from, to uint32) MutableList {
return NewMutableSubList(l, from, to)
}
func (l LinkedList) Get(index uint32) (interface{}, error) {
func (l LinkedList) Get(index uint32) (interface{}, exceptions.Exception) {
node := l.head
for node != l.head {
if index == 0 {
@@ -158,7 +158,7 @@ func (l *linkedListIterator) HasNext() bool {
return l.node != l.head
}
func (l *linkedListIterator) Next() (interface{}, error) {
func (l *linkedListIterator) Next() (interface{}, exceptions.Exception) {
if l.node == l.head {
return nil, exceptions.NewIndexOutOfBound("", true)
}
@@ -166,7 +166,7 @@ func (l *linkedListIterator) Next() (interface{}, error) {
return l.node.prev.value, nil
}
func (l *linkedListIterator) Remove() error {
func (l *linkedListIterator) Remove() exceptions.Exception {
if l.node.prev == l.head {
return exceptions.NewIndexOutOfBound("", true)
}

8
collections/MutableSubList.go
View File

@@ -38,7 +38,7 @@ func (s *MutableSubList) ContainsAll(c Collection) bool {
return ContainsAll(s, c)
}
func (s *MutableSubList) Get(index uint32) (interface{}, error) {
func (s *MutableSubList) Get(index uint32) (interface{}, exceptions.Exception) {
return s.list.Get(index + s.from)
}
@@ -54,7 +54,7 @@ func (s *MutableSubList) Add(_ interface{}) bool {
return false
}
func (s *MutableSubList) Remove(element interface{}) error {
func (s *MutableSubList) Remove(element interface{}) exceptions.Exception {
return nil
}
@@ -73,7 +73,7 @@ func (s *MutableSubList) RetainAll(_ Collection) bool {
func (s *MutableSubList) Clear() {
}
func (s *MutableSubList) Set(index uint32, element interface{}) error {
func (s *MutableSubList) Set(index uint32, element interface{}) exceptions.Exception {
if index >= s.to-s.from {
return exceptions.NewIndexOutOfBound("", true)
}
@@ -84,7 +84,7 @@ func (s *MutableSubList) AddAtIndex(_ uint32, _ interface{}) bool {
return false
}
func (s *MutableSubList) RemoveAt(index uint32) error {
func (s *MutableSubList) RemoveAt(index uint32) exceptions.Exception {
return exceptions.NewOperationNotSupportedException("", true)
}

4
collections/SubList.go
View File

@@ -1,5 +1,7 @@
package collections
import "github.com/tursom/GoCollections/exceptions"
type SubList struct {
list List
from, to uint32
@@ -36,7 +38,7 @@ func (s *SubList) ContainsAll(c Collection) bool {
return ContainsAll(s, c)
}
func (s *SubList) Get(index uint32) (interface{}, error) {
func (s *SubList) Get(index uint32) (interface{}, exceptions.Exception) {
return s.list.Get(index + s.from)
}