func runExample(client *as.Client) {
log.Printf("Scan parallel: namespace=" + *shared.Namespace + " set=" + *shared.Set)
recordCount := 0
begin := time.Now()
policy := as.NewScanPolicy()
recordset, err := client.ScanAll(policy, *shared.Namespace, *shared.Set)
shared.PanicOnError(err)
L:
for {
select {
case rec := <-recordset.Records:
if rec == nil {
break L
}
recordCount++
if (recordCount % 10000) == 0 {
log.Println("Records ", recordCount)
}
case err := <-recordset.Errors:
// if there was an error, stop
shared.PanicOnError(err)
}
}
end := time.Now()
seconds := float64(end.Sub(begin)) / float64(time.Second)
log.Println("Total records returned: ", recordCount)
log.Println("Elapsed time: ", seconds, " seconds")
performance := shared.Round(float64(recordCount)/float64(seconds), 0.5, 0)
log.Println("Records/second: ", performance)
}
func runExample(client *as.Client) {
log.Println("Scan series: namespace=", *shared.Namespace, " set=", *shared.Set)
// Use low scan priority. This will take more time, but it will reduce
// the load on the server.
policy := as.NewScanPolicy()
policy.MaxRetries = 1
policy.Priority = as.LOW
nodeList := client.GetNodes()
begin := time.Now()
for _, node := range nodeList {
log.Println("Scan node ", node.GetName())
recordset, err := client.ScanNode(policy, node, *shared.Namespace, *shared.Set)
shared.PanicOnError(err)
L:
for {
select {
case rec := <-recordset.Records:
if rec == nil {
break L
}
metrics, exists := setMap[rec.Key.SetName()]
if !exists {
metrics = Metrics{}
}
metrics.count++
metrics.total++
setMap[rec.Key.SetName()] = metrics
case err := <-recordset.Errors:
// if there was an error, stop
shared.PanicOnError(err)
}
}
for k, v := range setMap {
log.Println("Node ", node, " set ", k, " count: ", v.count)
v.count = 0
}
}
end := time.Now()
seconds := float64(end.Sub(begin)) / float64(time.Second)
log.Println("Elapsed time: ", seconds, " seconds")
total := 0
for k, v := range setMap {
log.Println("Total set ", k, " count: ", v.total)
total += v.total
}
log.Println("Grand total: ", total)
performance := shared.Round(float64(total)/seconds, 0.5, 0)
log.Println("Records/second: ", performance)
}
func runExample(client *as.Client) {
key, err := as.NewKey(*shared.Namespace, *shared.Set, "addkey")
shared.PanicOnError(err)
binName := "addbin"
// Delete record if it already exists.
client.Delete(shared.WritePolicy, key)
// Perform some adds and check results.
bin := as.NewBin(binName, 10)
log.Println("Initial add will create record. Initial value is ", bin.Value, ".")
client.AddBins(shared.WritePolicy, key, bin)
bin = as.NewBin(binName, 5)
log.Println("Add ", bin.Value, " to existing record.")
client.AddBins(shared.WritePolicy, key, bin)
record, err := client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
if record == nil {
log.Fatalf(
"Failed to get: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
}
// The value received from the server is an unsigned byte stream.
// Convert to an integer before comparing with expected.
received := record.Bins[bin.Name]
expected := 15
if received == expected {
log.Printf("Add successful: ns=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Name, received)
} else {
log.Fatalf("Add mismatch: Expected %d. Received %d.", expected, received)
}
// Demonstrate add and get combined.
bin = as.NewBin(binName, 30)
log.Println("Add ", bin.Value, " to existing record.")
record, err = client.Operate(shared.WritePolicy, key, as.AddOp(bin), as.GetOp())
shared.PanicOnError(err)
expected = 45
received = record.Bins[bin.Name]
if received == expected {
log.Printf("Add successful: ns=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Name, received)
} else {
log.Fatalf("Add mismatch: Expected %d. Received %d.", expected, received)
}
}
func runExample(client *as.Client) {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "touchkey")
bin := as.NewBin("touchbin", "touchvalue")
log.Printf("Create record with 2 second expiration.")
writePolicy := as.NewWritePolicy(0, 2)
client.PutBins(writePolicy, key, bin)
log.Printf("Touch same record with 5 second expiration.")
writePolicy.Expiration = 5
record, err := client.Operate(writePolicy, key, as.TouchOp(), as.GetHeaderOp())
if record == nil {
log.Fatalf(
"Failed to get: namespace=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Name, nil)
}
if record.Expiration == 0 {
log.Fatalf(
"Failed to get record expiration: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
}
log.Printf("Sleep 3 seconds.")
time.Sleep(3 * time.Second)
record, err = client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
if record == nil {
log.Fatalf(
"Failed to get: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
}
log.Printf("Success. Record still exists.")
log.Printf("Sleep 4 seconds.")
time.Sleep(4 * time.Second)
record, err = client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
if record == nil {
log.Printf("Success. Record expired as expected.")
} else {
log.Fatalf("Found record when it should have expired.")
}
}
/**
* Write and twice read a non-expiring tuple using the new "NoExpire" value (-1).
* This example is most effective when the Default Namespace Time To Live (TTL)
* is set to a small value, such as 5 seconds. When we sleep beyond that
* time, we show that the NoExpire TTL flag actually works.
*/
func noExpireExample(client *as.Client) {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "expirekey")
bin := as.NewBin("expirebin", "noexpirevalue")
log.Printf("Put: namespace=%s set=%s key=%s bin=%s value=%s expiration=NoExpire",
key.Namespace(), key.SetName(), key.Value(), bin.Name, bin.Value)
// Specify that record NEVER expires.
// The "Never Expire" value is -1, or 0xFFFFFFFF.
writePolicy := as.NewWritePolicy(0, 2)
writePolicy.Expiration = -1
client.PutBins(writePolicy, key, bin)
// Read the record, showing it is there.
log.Printf("Get: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
record, err := client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
if record == nil {
log.Fatalf(
"Failed to get record: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
}
received := record.Bins[bin.Name]
expected := bin.Value.String()
if received == expected {
log.Printf("Get record successful: namespace=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Name, received)
} else {
log.Fatalf("Expire record mismatch: Expected %s. Received %s.",
expected, received)
}
// Read this Record after the Default Expiration, showing it is still there.
// We should have set the Namespace TTL at 5 sec.
log.Printf("Sleeping for 10 seconds ...")
time.Sleep(10 * time.Second)
record, err = client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
if record == nil {
log.Fatalf("Record expired and should NOT have.")
} else {
log.Printf("Found Record (correctly) after default TTL.")
}
}
/**
* Read records in one batch.
*/
func batchReads(
client *as.Client,
keyPrefix string,
binName string,
size int,
) {
// Batch gets into one call.
keys := make([]*as.Key, size)
for i := 0; i < size; i++ {
keys[i], _ = as.NewKey(*shared.Namespace, *shared.Set, keyPrefix+strconv.Itoa(i+1))
}
records, err := client.BatchGet(nil, keys, binName)
shared.PanicOnError(err)
for i := 0; i < len(records); i++ {
key := keys[i]
record := records[i]
level := asl.ERR
var value interface{}
if record != nil {
level = asl.INFO
value = record.Bins[binName]
}
asl.Logger.LogAtLevel(level, "Record: ns=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), binName, value)
}
if len(records) != size {
log.Fatalf("Record size mismatch. Expected %d. Received %d.", size, len(records))
}
}
/**
* Read record header data in one batch.
*/
func batchReadHeaders(
client *as.Client,
keyPrefix string,
size int,
) {
// Batch gets into one call.
keys := make([]*as.Key, size)
for i := 0; i < size; i++ {
keys[i], _ = as.NewKey(*shared.Namespace, *shared.Set, keyPrefix+strconv.Itoa(i+1))
}
records, err := client.BatchGetHeader(nil, keys)
shared.PanicOnError(err)
for i := 0; i < len(records); i++ {
key := keys[i]
record := records[i]
level := asl.ERR
generation := 0
expiration := 0
if record != nil && (record.Generation > 0 || record.Expiration > 0) {
level = asl.INFO
generation = record.Generation
expiration = record.Expiration
}
asl.Logger.LogAtLevel(level, "Record: ns=%s set=%s key=%s generation=%d expiration=%d",
key.Namespace(), key.SetName(), key.Value(), generation, expiration)
}
if len(records) != size {
log.Fatalf("Record size mismatch. Expected %d. Received %d.", size, len(records))
}
}
func runExample(client *as.Client) {
// Write initial record.
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "opkey")
bin1 := as.NewBin("optintbin", 7)
bin2 := as.NewBin("optstringbin", "string value")
log.Printf("Put: namespace=%s set=%s key=%s bin1=%s value1=%s bin2=%s value2=%s",
key.Namespace(), key.SetName(), key.Value(), bin1.Name, bin1.Value, bin2.Name, bin2.Value)
client.PutBins(shared.WritePolicy, key, bin1, bin2)
// Add integer, write new string and read record.
bin3 := as.NewBin(bin1.Name, 4)
bin4 := as.NewBin(bin2.Name, "new string")
log.Println("Add: ", bin3.Value)
log.Println("Write: ", bin4.Value)
log.Println("Read:")
record, err := client.Operate(shared.WritePolicy, key, as.AddOp(bin3), as.PutOp(bin4), as.GetOp())
shared.PanicOnError(err)
if record == nil {
log.Fatalf(
"Failed to get: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
}
binExpected := as.NewBin(bin3.Name, 11)
shared.ValidateBin(key, binExpected, record)
shared.ValidateBin(key, bin4, record)
}
/**
* Write and twice read an expiration record.
*/
func expireExample(client *as.Client) {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "expirekey ")
bin := as.NewBin("expirebin", "expirevalue")
log.Printf("Put: namespace=%s set=%s key=%s bin=%s value=%s expiration=2",
key.Namespace(), key.SetName(), key.Value(), bin.Name, bin.Value)
// Specify that record expires 2 seconds after it's written.
writePolicy := as.NewWritePolicy(0, 2)
client.PutBins(writePolicy, key, bin)
// Read the record before it expires, showing it is there.
log.Printf("Get: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
record, err := client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
if record == nil {
log.Fatalf(
"Failed to get record: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
}
received := record.Bins[bin.Name]
expected := bin.Value.String()
if received == expected {
log.Printf("Get record successful: namespace=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Name, received)
} else {
log.Fatalf("Expire record mismatch: Expected %s. Received %s.",
expected, received)
}
// Read the record after it expires, showing it's gone.
log.Printf("Sleeping for 3 seconds ...")
time.Sleep(3 * time.Second)
record, err = client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
if record == nil {
log.Printf("Expiry of record successful. Record not found.")
} else {
log.Fatalf("Found record when it should have expired.")
}
}
/**
* Write/Read Array/Map combination directly instead of relying on java serializer.
*/
func testListMapCombined(client *as.Client) {
log.Printf("Read/Write Array/Map")
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "listmapkey")
client.Delete(shared.WritePolicy, key)
blob := []byte{3, 52, 125}
inner := []interface{}{
"string2",
5,
}
innerMap := map[interface{}]interface{}{
"a": 1,
2: "b",
3: blob,
"list": inner,
}
list := []interface{}{
"string1",
8,
inner,
innerMap,
}
bin := as.NewBin("listmapbin", list)
client.PutBins(shared.WritePolicy, key, bin)
record, err := client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
received := record.Bins[bin.Name].([]interface{})
validateSize(4, len(received))
validate("string1", received[0])
// Server convert numbers to long, so must expect long.
validate(8, received[1])
receivedInner := received[2].([]interface{})
validateSize(2, len(receivedInner))
validate("string2", receivedInner[0])
validate(5, receivedInner[1])
receivedMap := received[3].(map[interface{}]interface{})
validateSize(4, len(receivedMap))
validate(1, receivedMap["a"])
validate("b", receivedMap[2])
validateBytes(blob, receivedMap[3].([]byte))
receivedInner2 := receivedMap["list"].([]interface{})
validateSize(2, len(receivedInner2))
validate("string2", receivedInner2[0])
validate(5, receivedInner2[1])
log.Printf("Read/Write Array/Map successful")
}
func writeIfNotExists(client *as.Client) {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "udfkey3")
binName := "udfbin3"
// Delete record if it already exists.
client.Delete(shared.WritePolicy, key)
// Write record only if not already exists. This should succeed.
client.Execute(shared.WritePolicy, key, "record_example", "writeUnique", as.NewValue(binName), as.NewValue("first"))
// Verify record written.
record, err := client.Get(shared.Policy, key, binName)
shared.PanicOnError(err)
expected := "first"
received := record.Bins[binName].(string)
if received == expected {
log.Printf("Record written: namespace=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), binName, received)
} else {
log.Printf("Data mismatch: Expected %s. Received %s.", expected, received)
}
// Write record second time. This should fail.
log.Printf("Attempt second write.")
client.Execute(shared.WritePolicy, key, "record_example", "writeUnique", as.NewValue(binName), as.NewValue("second"))
// Verify record not written.
record, err = client.Get(shared.Policy, key, binName)
shared.PanicOnError(err)
received = record.Bins[binName].(string)
if received == expected {
log.Printf("Success. Record remained unchanged: namespace=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), binName, received)
} else {
log.Printf("Data mismatch: Expected %s. Received %s.", expected, received)
}
}
func runExample(client *as.Client) {
key, err := as.NewKey(*shared.Namespace, *shared.Set, "prependkey")
shared.PanicOnError(err)
binName := "prependbin"
// Delete record if it already exists.
client.Delete(shared.WritePolicy, key)
bin := as.NewBin(binName, "World")
log.Println("Initial prepend will create record. Initial value is ", bin.Value, ".")
client.PrependBins(shared.WritePolicy, key, bin)
bin = as.NewBin(binName, "Hello ")
log.Println("Prepend \"", bin.Value, "\" to existing record.")
client.PrependBins(shared.WritePolicy, key, bin)
record, err := client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
if record == nil {
log.Fatalf(
"Failed to get: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
}
// The value received from the server is an unsigned byte stream.
// Convert to an integer before comparing with expected.
received := record.Bins[bin.Name]
expected := "Hello World"
if received == expected {
log.Printf("Prepend successful: ns=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Name, received)
} else {
log.Fatalf("Prepend mismatch: Expected %s. Received %s.", expected, received)
}
}
func writeIfGenerationNotChanged(client *as.Client) {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "udfkey2")
bin := as.NewBin("udfbin2", "string value")
// Seed record.
client.PutBins(shared.WritePolicy, key, bin)
// Get record generation.
gen, err := client.Execute(shared.WritePolicy, key, "record_example", "getGeneration")
shared.PanicOnError(err)
// Write record if generation has not changed.
client.Execute(shared.WritePolicy, key, "record_example", "writeIfGenerationNotChanged", as.NewValue(bin.Name), bin.Value, as.NewValue(gen))
log.Printf("Record written.")
}
func writeUsingUdf(client *as.Client) {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "udfkey1")
bin := as.NewBin("udfbin1", "string value")
client.Execute(shared.WritePolicy, key, "record_example", "writeBin", as.NewValue(bin.Name), bin.Value)
record, err := client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
expected := bin.Value.String()
received := record.Bins[bin.Name].(string)
if received == expected {
log.Printf("Data matched: namespace=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Name, received)
} else {
log.Printf("Data mismatch: Expected %s. Received %s.", expected, received)
}
}
// Read record header data.
func runGetHeaderExample(client *as.Client) {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "putgetkey")
log.Printf("Get record header: namespace=%s set=%s key=%s", key.Namespace(), key.SetName(), key.Value())
record, err := client.GetHeader(shared.Policy, key)
shared.PanicOnError(err)
if record == nil {
panic(errors.New(fmt.Sprintf(
"Failed to get: namespace=%s set=%s key=%s", key.Namespace(), key.SetName(), key.Value())))
}
// Generation should be greater than zero. Make sure it's populated.
if record.Generation == 0 {
panic(errors.New(fmt.Sprintf(
"Invalid record header: generation=%d expiration=%d", record.Generation, record.Expiration)))
}
log.Printf("Received: generation=%d expiration=%d (%s)\n", record.Generation, record.Expiration, time.Duration(record.Expiration)*time.Second)
}
/**
* Write/Read map[interface{}]interface{} directly instead of relying on java serializer.
*/
func testMapComplex(client *as.Client) {
log.Printf("Read/Write map[interface{}]interface{}")
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "mapkey2")
client.Delete(shared.WritePolicy, key)
blob := []byte{3, 52, 125}
list := []int{
100034,
12384955,
3,
512,
}
amap := map[interface{}]interface{}{
"key1": "string1",
"key2": 2,
"key3": blob,
"key4": list,
}
bin := as.NewBin("mapbin2", amap)
client.PutBins(shared.WritePolicy, key, bin)
record, err := client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
receivedMap := record.Bins[bin.Name].(map[interface{}]interface{})
validateSize(4, len(receivedMap))
validate("string1", receivedMap["key1"])
// Server convert numbers to long, so must expect long.
validate(2, receivedMap["key2"])
validateBytes(blob, receivedMap["key3"].([]byte))
receivedInner := receivedMap["key4"].([]interface{})
validateSize(4, len(receivedInner))
validate(100034, receivedInner[0])
validate(12384955, receivedInner[1])
validate(3, receivedInner[2])
validate(512, receivedInner[3])
log.Printf("Read/Write map[interface{}]interface{} successful")
}
func runReplaceOnlyExample(client *as.Client) {
key, err := as.NewKey(*shared.Namespace, *shared.Set, "replaceonlykey")
shared.PanicOnError(err)
bin := as.NewBin("bin", "value")
// Delete record if it already exists.
client.Delete(shared.WritePolicy, key)
log.Printf("Replace record requiring that it exists: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
wpolicy := as.NewWritePolicy(0, 0)
wpolicy.RecordExistsAction = as.REPLACE_ONLY
err = client.PutBins(wpolicy, key, bin)
if ae, ok := err.(ast.AerospikeError); ok && ae.ResultCode() == ast.KEY_NOT_FOUND_ERROR {
log.Printf("Success. `Not found` error returned as expected.")
} else {
log.Fatalln("Failure. This command should have resulted in an error.")
}
}
func runReplaceExample(client *as.Client) {
key, err := as.NewKey(*shared.Namespace, *shared.Set, "replacekey")
shared.PanicOnError(err)
bin1 := as.NewBin("bin1", "value1")
bin2 := as.NewBin("bin2", "value2")
bin3 := as.NewBin("bin3", "value3")
log.Printf("Put: namespace=%s set=%s key=%s bin1=%s value1=%s bin2=%s value2=%s",
key.Namespace(), key.SetName(), key.Value(), bin1.Name, bin1.Value, bin2.Name, bin2.Value)
client.PutBins(shared.WritePolicy, key, bin1, bin2)
log.Printf("Replace with: namespace=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin3.Name, bin3.Value)
wpolicy := as.NewWritePolicy(0, 0)
wpolicy.RecordExistsAction = as.REPLACE
client.PutBins(wpolicy, key, bin3)
log.Printf("Get: namespace=%s set=%s key=%s", key.Namespace(), key.SetName(), key.Value())
record, err := client.Get(shared.Policy, key)
if record == nil {
log.Fatalf(
"Failed to get: namespace=%s set=%s key=%s", key.Namespace(), key.SetName(), key.Value())
}
if record.Bins[bin1.Name] == nil {
log.Printf(bin1.Name + " was deleted as expected.")
} else {
log.Fatalln(bin1.Name + " found when it should have been deleted.")
}
if record.Bins[bin2.Name] == nil {
log.Printf(bin2.Name + " was deleted as expected.")
} else {
log.Fatalln(bin2.Name + " found when it should have been deleted.")
}
shared.ValidateBin(key, bin3, record)
}
/**
* Write/Read []string directly instead of relying on java serializer.
*/
func testListStrings(client *as.Client) {
log.Printf("Read/Write []string")
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "listkey1")
client.Delete(shared.WritePolicy, key)
list := []string{"string1", "string2", "string3"}
bin := as.NewBin("listbin1", list)
client.PutBins(shared.WritePolicy, key, bin)
record, err := client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
receivedList := record.Bins[bin.Name].([]interface{})
validateSize(3, len(receivedList))
validate("string1", receivedList[0])
validate("string2", receivedList[1])
validate("string3", receivedList[2])
log.Printf("Read/Write []string successful.")
}
// Execute put and get on a server configured as single-bin.
func runSingleBinExample(client *as.Client) {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "putgetkey")
bin := as.NewBin("", "value")
log.Printf("Single Put: namespace=%s set=%s key=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Value)
client.PutBins(shared.WritePolicy, key, bin)
log.Printf("Single Get: namespace=%s set=%s key=%s", key.Namespace(), key.SetName(), key.Value())
record, err := client.Get(shared.Policy, key)
shared.PanicOnError(err)
if record == nil {
panic(errors.New(fmt.Sprintf(
"Failed to get: namespace=%s set=%s key=%s", key.Namespace(), key.SetName(), key.Value())))
}
shared.ValidateBin(key, bin, record)
}
func writeBlobUsingUdf(client *as.Client) {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "udfkey6")
binName := "udfbin6"
// Create packed blob using standard java tools.
dos := bytes.Buffer{}
// dos.Write(9845)
dos.WriteString("Hello world.")
blob := dos.Bytes()
client.Execute(shared.WritePolicy, key, "record_example", "writeBin", as.NewValue(binName), as.NewValue(blob))
received, err := client.Execute(shared.WritePolicy, key, "record_example", "readBin", as.NewValue(binName))
shared.PanicOnError(err)
if bytes.Equal(blob, received.([]byte)) {
log.Printf("Blob data matched: namespace=%s set=%s key=%s bin=%v value=%v",
key.Namespace(), key.SetName(), key.Value(), binName, received)
} else {
log.Fatalf(
"Mismatch: expected=%v received=%v", blob, received)
}
}
/**
* Check existence of records in one batch.
*/
func batchExists(
client *as.Client,
keyPrefix string,
size int,
) {
// Batch into one call.
keys := make([]*as.Key, size)
for i := 0; i < size; i++ {
keys[i], _ = as.NewKey(*shared.Namespace, *shared.Set, keyPrefix+strconv.Itoa(i+1))
}
existsArray, err := client.BatchExists(nil, keys)
shared.PanicOnError(err)
for i := 0; i < len(existsArray); i++ {
key := keys[i]
exists := existsArray[i]
log.Printf("Record: ns=%s set=%s key=%s exists=%s",
key.Namespace(), key.SetName(), key.Value(), exists)
}
}
/**
* Write/Read map[string]string directly instead of relying on java serializer.
*/
func testMapStrings(client *as.Client) {
log.Printf("Read/Write map[string]string")
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "mapkey1")
client.Delete(shared.WritePolicy, key)
amap := map[string]string{"key1": "string1",
"key2": "string2",
"key3": "string3",
}
bin := as.NewBin("mapbin1", amap)
client.PutBins(shared.WritePolicy, key, bin)
record, err := client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
receivedMap := record.Bins[bin.Name].(map[interface{}]interface{})
validateSize(3, len(receivedMap))
validate("string1", receivedMap["key1"])
validate("string2", receivedMap["key2"])
validate("string3", receivedMap["key3"])
log.Printf("Read/Write map[string]string successful")
}
func writeListMapUsingUdf(client *as.Client) {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "udfkey5")
inner := []interface{}{"string2", int64(8)}
innerMap := map[interface{}]interface{}{"a": int64(1), int64(2): "b", "list": inner}
list := []interface{}{"string1", int64(4), inner, innerMap}
binName := "udfbin5"
client.Execute(shared.WritePolicy, key, "record_example", "writeBin", as.NewValue(binName), as.NewValue(list))
received, err := client.Execute(shared.WritePolicy, key, "record_example", "readBin", as.NewValue(binName))
shared.PanicOnError(err)
if testEq(received.([]interface{}), list) {
log.Printf("UDF data matched: namespace=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), binName, received)
} else {
log.Println("UDF data mismatch")
log.Println("Expected ", list)
log.Println("Received ", received)
}
}
// Execute put and get on a server configured as multi-bin. This is the server default.
func runMultiBinExample(client *as.Client) {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "putgetkey")
bin1 := as.NewBin("bin1", "value1")
bin2 := as.NewBin("bin2", "value2")
log.Printf("Put: namespace=%s set=%s key=%s bin1=%s value1=%s bin2=%s value2=%s",
key.Namespace(), key.SetName(), key.Value(), bin1.Name, bin1.Value, bin2.Name, bin2.Value)
client.PutBins(shared.WritePolicy, key, bin1, bin2)
log.Printf("Get: namespace=%s set=%s key=%s", key.Namespace(), key.SetName(), key.Value())
record, err := client.Get(shared.Policy, key)
shared.PanicOnError(err)
if record == nil {
panic(errors.New(fmt.Sprintf(
"Failed to get: namespace=%s set=%s key=%s", key.Namespace(), key.SetName(), key.Value())))
}
shared.ValidateBin(key, bin1, record)
shared.ValidateBin(key, bin2, record)
}
/**
* Write/Read []interface{} directly instead of relying on java serializer.
*/
func testListComplex(client *as.Client) {
log.Printf("Read/Write []interface{}")
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "listkey2")
client.Delete(shared.WritePolicy, key)
blob := []byte{3, 52, 125}
list := []interface{}{"string1", 2, blob}
bin := as.NewBin("listbin2", list)
client.PutBins(shared.WritePolicy, key, bin)
record, err := client.Get(shared.Policy, key, bin.Name)
shared.PanicOnError(err)
receivedList := record.Bins[bin.Name].([]interface{})
validateSize(3, len(receivedList))
validate("string1", receivedList[0])
// Server convert numbers to long, so must expect long.
validate(2, receivedList[1])
validateBytes(blob, receivedList[2].([]byte))
log.Printf("Read/Write []interface{} successful.")
}
func runExample(client *as.Client) {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, "genkey")
binName := "genbin"
// Delete record if it already exists.
client.Delete(shared.WritePolicy, key)
// Set some values for the same record.
bin := as.NewBin(binName, "genvalue1")
log.Printf("Put: namespace=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Name, bin.Value)
client.PutBins(shared.WritePolicy, key, bin)
bin = as.NewBin(binName, "genvalue2")
log.Printf("Put: namespace=%s set=%s key=%s bin=%s value=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Name, bin.Value)
client.PutBins(shared.WritePolicy, key, bin)
// Retrieve record and its generation count.
record, err := client.Get(shared.Policy, key, bin.Name)
if record == nil {
log.Fatalf(
"Failed to get: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
}
received := record.Bins[bin.Name]
expected := bin.Value.String()
if received == expected {
log.Printf("Get successful: namespace=%s set=%s key=%s bin=%s value=%s generation=%d",
key.Namespace(), key.SetName(), key.Value(), bin.Name, received, record.Generation)
} else {
log.Fatalf("Get mismatch: Expected %s. Received %s.",
expected, received)
}
// Set record and fail if it's not the expected generation.
bin = as.NewBin(binName, "genvalue3")
log.Printf("Put: namespace=%s set=%s key=%s bin=%s value=%s expected generation=%d",
key.Namespace(), key.SetName(), key.Value(), bin.Name, bin.Value, record.Generation)
writePolicy := as.NewWritePolicy(0, 2)
writePolicy.GenerationPolicy = as.EXPECT_GEN_EQUAL
writePolicy.Generation = int32(record.Generation)
client.PutBins(writePolicy, key, bin)
// Set record with invalid generation and check results .
bin = as.NewBin(binName, "genvalue4")
writePolicy.Generation = 9999
log.Printf("Put: namespace=%s set=%s key=%s bin=%s value=%s expected generation=%d",
key.Namespace(), key.SetName(), key.Value(), bin.Name, bin.Value, writePolicy.Generation)
err = client.PutBins(writePolicy, key, bin)
if err != nil {
if ae, ok := err.(ast.AerospikeError); ok && ae.ResultCode() == ast.GENERATION_ERROR {
shared.PanicOnError(errors.New("Should have received generation error instead of success."))
}
log.Printf("Success: Generation error returned as expected.")
} else {
log.Fatalf(
"Unexpected set return code: namespace=%s set=%s key=%s bin=%s value=%s code=%s",
key.Namespace(), key.SetName(), key.Value(), bin.Name, bin.Value, err)
}
// Verify results.
record, err = client.Get(shared.Policy, key, bin.Name)
if record == nil {
log.Fatalf(
"Failed to get: namespace=%s set=%s key=%s",
key.Namespace(), key.SetName(), key.Value())
}
received = record.Bins[bin.Name]
expected = "genvalue3"
if received == expected {
log.Printf("Get successful: namespace=%s set=%s key=%s bin=%s value=%s generation=%d",
key.Namespace(), key.SetName(), key.Value(), bin.Name, received, record.Generation)
} else {
log.Fatalf("Get mismatch: Expected %s. Received %s.",
expected, received)
}
}
func register(client *as.Client) {
task, err := client.RegisterUDF(shared.WritePolicy, []byte(udf), "record_example.lua", as.LUA)
shared.PanicOnError(err)
<-task.OnComplete()
}