refactoring: add type for needle id, offset

later the type size can possibly be adjusted

weed/storage/needle/compact_map_test.go

@@ -2,16 +2,17 @@ package needle
 
 import (
 	"testing"
+	. "github.com/chrislusf/seaweedfs/weed/storage/types"
 )
 
 func TestIssue52(t *testing.T) {
 	m := NewCompactMap()
-	m.Set(Key(10002), 10002, 10002)
-	if element, ok := m.Get(Key(10002)); ok {
+	m.Set(NeedleId(10002), 10002, 10002)
+	if element, ok := m.Get(NeedleId(10002)); ok {
 		println("key", 10002, "ok", ok, element.Key, element.Offset, element.Size)
 	}
-	m.Set(Key(10001), 10001, 10001)
-	if element, ok := m.Get(Key(10002)); ok {
+	m.Set(NeedleId(10001), 10001, 10001)
+	if element, ok := m.Get(NeedleId(10002)); ok {
 		println("key", 10002, "ok", ok, element.Key, element.Offset, element.Size)
 	} else {
 		t.Fatal("key 10002 missing after setting 10001")
@@ -21,15 +22,15 @@ func TestIssue52(t *testing.T) {
 func TestXYZ(t *testing.T) {
 	m := NewCompactMap()
 	for i := uint32(0); i < 100*batch; i += 2 {
-		m.Set(Key(i), i, i)
+		m.Set(NeedleId(i), i, i)
 	}
 
 	for i := uint32(0); i < 100*batch; i += 37 {
-		m.Delete(Key(i))
+		m.Delete(NeedleId(i))
 	}
 
 	for i := uint32(0); i < 10*batch; i += 3 {
-		m.Set(Key(i), i+11, i+5)
+		m.Set(NeedleId(i), i+11, i+5)
 	}
 
 	//	for i := uint32(0); i < 100; i++ {
@@ -39,7 +40,7 @@ func TestXYZ(t *testing.T) {
 	//	}
 
 	for i := uint32(0); i < 10*batch; i++ {
-		v, ok := m.Get(Key(i))
+		v, ok := m.Get(NeedleId(i))
 		if i%3 == 0 {
 			if !ok {
 				t.Fatal("key", i, "missing!")
@@ -59,7 +60,7 @@ func TestXYZ(t *testing.T) {
 	}
 
 	for i := uint32(10 * batch); i < 100*batch; i++ {
-		v, ok := m.Get(Key(i))
+		v, ok := m.Get(NeedleId(i))
 		if i%37 == 0 {
 			if ok && v.Size > 0 {
 				t.Fatal("key", i, "should have been deleted needle value", v)