added uint64 methods

ddb/sync/sync.go

@@ -320,6 +320,23 @@ func (m *Mutex) GetValueInt64() int64 {
 	return result
 }
 
+// GetValueUint64 gets the value from the Mutex and returns it as an uint64.
+//
+// It does not check if the Mutex was locked beforehand. An unlocked Mutex will return an out-of-sync result.
+func (m *Mutex) GetValueUint64() uint64 {
+
+	if m.value == "" {
+		return 0
+	}
+
+	result, err := strconv.ParseUint(m.value, 10, 64)
+	if err != nil {
+		panic(err.Error())
+	}
+
+	return result
+}
+
 // SetValueInt64 sets the int64 value in the Mutex. It does not check if the Mutex was locked beforehand. It does not write
 // the value into the database. The value is written to the database during Unlock.
 //
@@ -328,6 +345,14 @@ func (m *Mutex) SetValueInt64(value int64) {
 	m.value = strconv.FormatInt(value, 10)
 }
 
+// SetValueUint64 sets the uint64 value in the Mutex. It does not check if the Mutex was locked beforehand. It does not write
+// the value into the database. The value is written to the database during Unlock.
+//
+// See example(s) at GetValueUint64
+func (m *Mutex) SetValueUint64(value uint64) {
+	m.value = strconv.FormatUint(value, 10)
+}
+
 // GetValueString gets the value from the Mutex and returns it as a string.
 //
 // It does not check if the Mutex was locked beforehand. An unlocked Mutex will return an out-of-sync result.

ddb/sync/sync_test.go

@@ -93,13 +93,20 @@ func Test_ValueTests(t *testing.T) {
 	TableName := fmt.Sprintf("Test-Values-%d", time.Now().Unix())
 	m := Mutex{DDBTableName: TableName}
 	testValueInt64 := time.Now().Unix()
+	testValueUint64 := testValueInt64 + 5
 	assert.NotPanics(t, m.Lock)
 	m.SetValueInt64(testValueInt64)
 	assert.Equal(t, m.GetValueInt64(), testValueInt64)
 	assert.Equal(t, m.GetValueString(), strconv.FormatInt(testValueInt64, 10))
+	m.SetValueUint64(uint64(testValueUint64))
+	assert.Equal(t, m.GetValueUint64(), uint64(testValueUint64))
+	assert.Equal(t, m.GetValueString(), strconv.FormatUint(uint64(testValueUint64), 10))
 	m.SetValueString(strconv.FormatInt(testValueInt64+1, 10))
 	assert.Equal(t, m.GetValueInt64(), testValueInt64+1)
 	assert.Equal(t, m.GetValueString(), strconv.FormatInt(testValueInt64+1, 10))
+	m.SetValueString(strconv.FormatUint(uint64(testValueUint64+2), 10))
+	assert.Equal(t, m.GetValueUint64(), uint64(testValueUint64+2))
+	assert.Equal(t, m.GetValueString(), strconv.FormatUint(uint64(testValueUint64+2), 10))
 	assert.NotPanics(t, m.Unlock)
 	DeleteTable(m)
 }

dsync/dsync.go

@@ -7,7 +7,9 @@ type Locker interface {
 	Lock()
 	Unlock()
 	GetValueInt64() int64
+	GetValueUint64() uint64
 	SetValueInt64(value int64)
+	SetValueUint64(value uint64)
 	GetValueString() string
 	SetValueString(value string)
 }

go.mod

@@ -0,0 +1,9 @@
+module github.com/greg-szabo/dsync
+
+go 1.13
+
+require (
+	github.com/aws/aws-sdk-go v1.25.8
+	github.com/stretchr/testify v1.4.0
+	golang.org/x/net v0.0.0-20191007182048-72f939374954 // indirect
+)

go.sum

@@ -0,0 +1,21 @@
+github.com/aws/aws-sdk-go v1.25.8 h1:n7I+HUUXjun2CsX7JK+1hpRIkZrlKhd3nayeb+Xmavs=
+github.com/aws/aws-sdk-go v1.25.8/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af h1:pmfjZENx5imkbgOkpRUYLnmbU7UEFbjtDA2hxJ1ichM=
+github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
+github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/net v0.0.0-20191007182048-72f939374954 h1:JGZucVF/L/TotR719NbujzadOZ2AgnYlqphQGHDCKaU=
+golang.org/x/net v0.0.0-20191007182048-72f939374954/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=