mirror
/
tile38
mirror of https://github.com/tidwall/tile38.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

lcase fields

This commit is contained in:
Josh Baker 2016-05-24 05:06:19 -07:00
parent 13626db762
commit bac8370b6e
1 changed files with 33 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
controller/collection/collection.go
View File

@ -7,17 +7,17 @@ import (
)
type itemT struct {
ID string
Object geojson.Object
Fields []float64
id string
object geojson.Object
fields []float64
}
func (i *itemT) Less(item btree.Item) bool {
return i.ID < item.(*itemT).ID
return i.id < item.(*itemT).id
}
func (i *itemT) Rect() (minX, minY, maxX, maxY float64) {
bbox := i.Object.CalculatedBBox()
bbox := i.object.CalculatedBBox()
return bbox.Min.X, bbox.Min.Y, bbox.Max.X, bbox.Max.Y
}
@ -87,16 +87,16 @@ func (c *Collection) ReplaceOrInsert(id string, obj geojson.Object, fields []str
oldItem, ok := c.remove(id)
nitem := c.insert(id, obj)
if ok {
oldObject = oldItem.Object
oldFields = oldItem.Fields
nitem.Fields = oldFields
c.weight += len(nitem.Fields) * 8
oldObject = oldItem.object
oldFields = oldItem.fields
nitem.fields = oldFields
c.weight += len(nitem.fields) * 8
}
if fields == nil && len(values) > 0 {
// directly set the field values, update weight
c.weight -= len(nitem.Fields) * 8
nitem.Fields = values
c.weight += len(nitem.Fields) * 8
c.weight -= len(nitem.fields) * 8
nitem.fields = values
c.weight += len(nitem.fields) * 8
} else {
// map field name to value
@ -104,25 +104,25 @@ func (c *Collection) ReplaceOrInsert(id string, obj geojson.Object, fields []str
c.setField(nitem, field, values[i])
}
}
return oldObject, oldFields, nitem.Fields
return oldObject, oldFields, nitem.fields
}
func (c *Collection) remove(id string) (item *itemT, ok bool) {
i := c.items.Delete(&itemT{ID: id})
i := c.items.Delete(&itemT{id: id})
if i == nil {
return nil, false
}
item = i.(*itemT)
c.index.Remove(item)
c.weight -= len(item.Fields) * 8
c.weight -= item.Object.Weight() + len(item.ID)
c.points -= item.Object.PositionCount()
c.weight -= len(item.fields) * 8
c.weight -= item.object.Weight() + len(item.id)
c.points -= item.object.PositionCount()
c.objects--
return item, true
}
func (c *Collection) insert(id string, obj geojson.Object) (item *itemT) {
item = &itemT{ID: id, Object: obj}
item = &itemT{id: id, object: obj}
c.index.Insert(item)
c.items.ReplaceOrInsert(item)
c.weight += obj.Weight() + len(id)
@ -138,16 +138,16 @@ func (c *Collection) Remove(id string) (obj geojson.Object, fields []float64, ok
if !ok {
return nil, nil, false
}
return item.Object, item.Fields, true
return item.object, item.fields, true
}
func (c *Collection) get(id string) (obj geojson.Object, fields []float64, ok bool) {
i := c.items.Get(&itemT{ID: id})
i := c.items.Get(&itemT{id: id})
if i == nil {
return nil, nil, false
}
item := i.(*itemT)
return item.Object, item.Fields, true
return item.object, item.fields, true
}
// Get returns an object.
@ -159,14 +159,14 @@ func (c *Collection) Get(id string) (obj geojson.Object, fields []float64, ok bo
// SetField set a field value for an object and returns that object.
// If the object does not exist then the 'ok' return value will be false.
func (c *Collection) SetField(id, field string, value float64) (obj geojson.Object, fields []float64, updated bool, ok bool) {
i := c.items.Get(&itemT{ID: id})
i := c.items.Get(&itemT{id: id})
if i == nil {
ok = false
return
}
item := i.(*itemT)
updated = c.setField(item, field, value)
return item.Object, item.Fields, updated, true
return item.object, item.fields, updated, true
}
func (c *Collection) setField(item *itemT, field string, value float64) (updated bool) {
@ -175,13 +175,13 @@ func (c *Collection) setField(item *itemT, field string, value float64) (updated
idx = len(c.fieldMap)
c.fieldMap[field] = idx
}
c.weight -= len(item.Fields) * 8
for idx >= len(item.Fields) {
item.Fields = append(item.Fields, 0)
c.weight -= len(item.fields) * 8
for idx >= len(item.fields) {
item.fields = append(item.fields, 0)
}
c.weight += len(item.Fields) * 8
ovalue := item.Fields[idx]
item.Fields[idx] = value
c.weight += len(item.fields) * 8
ovalue := item.fields[idx]
item.fields[idx] = value
return ovalue != value
}
@ -206,7 +206,7 @@ func (c *Collection) Scan(cursor uint64, iterator func(id string, obj geojson.Ob
c.items.Ascend(func(item btree.Item) bool {
if i >= cursor {
iitm := item.(*itemT)
active = iterator(iitm.ID, iitm.Object, iitm.Fields)
active = iterator(iitm.id, iitm.object, iitm.fields)
}
i++
return active
@ -218,10 +218,10 @@ func (c *Collection) Scan(cursor uint64, iterator func(id string, obj geojson.Ob
func (c *Collection) ScanGreaterOrEqual(id string, cursor uint64, iterator func(id string, obj geojson.Object, fields []float64) bool) (ncursor uint64) {
var i uint64
var active = true
c.items.AscendGreaterOrEqual(&itemT{ID: id}, func(item btree.Item) bool {
c.items.AscendGreaterOrEqual(&itemT{id: id}, func(item btree.Item) bool {
if i >= cursor {
iitm := item.(*itemT)
active = iterator(iitm.ID, iitm.Object, iitm.Fields)
active = iterator(iitm.id, iitm.object, iitm.fields)
}
i++
return active
@ -236,7 +236,7 @@ func (c *Collection) search(cursor uint64, bbox geojson.BBox, iterator func(id s
if !ok {
return true // just ignore
}
if !iterator(iitm.ID, iitm.Object, iitm.Fields) {
if !iterator(iitm.id, iitm.object, iitm.fields) {
return false
}
return true