func send(cache []Event) {
fmt.Println("sending %s", len(cache))
for index, element := range cache {
_ = index
//fmt.Println(element.id, element.event, element.value)
//fmt.Println(index)
key, _ := as.NewKey("test", "totals", "total_votes")
ops := []*as.Operation{
as.AddOp(as.NewBin("total_votes", 1)), // add the value of the bin to the existing value
as.GetOp(), // get the value of the record after all operations are executed
}
_, _ = client.Operate(nil, key, ops...)
key, _ = as.NewKey("test", "totals", element.value)
ops = []*as.Operation{
as.AddOp(as.NewBin(element.value, 1)), // add the value of the bin to the existing value
as.GetOp(), // get the value of the record after all operations are executed
}
_, _ = client.Operate(nil, key, ops...)
//panicOnError(err)
//fmt.Println(rec)
// client.Set(element.id, element.value)
// client.Get(element.id)
// client.Incr("total_votes")
// client.Incr(element.value)
}
}
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)
}
// When the auction has completed, perform the following logic.
func CloseAuction(offerId int, bid *m.Bid) {
auctionMap.Remove(offerId)
// Check if the broker has enough inventory
offerKeyId := fmt.Sprintf("%s:%d", OFFERS, offerId)
offerKey, _ := as.NewKey(NAMESPACE, OFFERS, offerKeyId)
offerRec, _ := db.Get(readPolicy, offerKey)
sellerId := offerRec.Bins["broker_id"].(int)
// add to buyer's inventory and reduce credit
buyerKeyId := fmt.Sprintf("%s:%d", BROKERS, bid.BrokerId)
buyerKey, _ := as.NewKey(NAMESPACE, BROKERS, buyerKeyId)
db.Operate(writePolicy, buyerKey,
as.AddOp(as.NewBin(offerRec.Bins["ticker"].(string), offerRec.Bins["quantity"].(int))),
as.AddOp(as.NewBin("credit", -1*offerRec.Bins["quantity"].(int)*int(bid.Price))),
)
// reduce seller's inventory and add to credit
sellerKeyId := fmt.Sprintf("%s:%d", BROKERS, sellerId)
sellerKey, _ := as.NewKey(NAMESPACE, BROKERS, sellerKeyId)
db.Operate(writePolicy, sellerKey,
as.AddOp(as.NewBin(offerRec.Bins["ticker"].(string), -1*offerRec.Bins["quantity"].(int))),
as.AddOp(as.NewBin("credit", offerRec.Bins["quantity"].(int)*int(bid.Price))),
)
// mark the bid as winner
bidKeyId := fmt.Sprintf("%s:%d", BIDS, bid.Id)
bidKey, _ := as.NewKey(NAMESPACE, BIDS, bidKeyId)
db.Put(writePolicy, bidKey, as.BinMap{"winner": 1})
db.Put(writePolicy, offerKey, as.BinMap{"finished": 1, "winner": bid.Id})
}
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 (c *client) writeData(key *as.Key, result interface{}, expire time.Duration) {
writePolicy := as.NewWritePolicy(0, int32(expire.Seconds()))
value, err := json.Marshal(result)
panicOnError(err)
lockBin := as.NewBin(binLockName, nil)
dataBin := as.NewBin(binDataName, string(value))
err = c.asClient.PutBins(writePolicy, key, lockBin, dataBin)
panicOnError(err)
}
// Increment a bin, being used as a sequence generator.
func nextSeq(seq string) (int, error) {
keyId := fmt.Sprintf("%s:%s", SEQUENCES, seq)
key, err := as.NewKey(NAMESPACE, SEQUENCES, keyId)
if err != nil {
return 0, err
}
rec, err := db.Operate(
writePolicy,
key,
as.AddOp(as.NewBin("seq", 1)),
as.GetOpForBin("seq"),
)
if err != nil {
return 0, err
}
if seq, exists := rec.Bins["seq"]; !exists || int(seq.(int)) <= 0 {
return 0, fmt.Errorf("sequence not found: %s", seq)
}
return rec.Bins["seq"].(int), nil
}
func runExample(client *as.Client) {
// Set LuaPath
luaPath, _ := os.Getwd()
luaPath += "/udf/"
as.SetLuaPath(luaPath)
filename := "sum_single_bin"
regTask, err := client.RegisterUDFFromFile(nil, luaPath+filename+".lua", filename+".lua", as.LUA)
shared.PanicOnError(err)
// wait until UDF is created
shared.PanicOnError(<-regTask.OnComplete())
sum := 0
for i := 1; i <= keyCount; i++ {
sum += i
key, err := as.NewKey(*shared.Namespace, *shared.Set, i)
shared.PanicOnError(err)
bin1 := as.NewBin("bin1", i)
client.PutBins(nil, key, bin1)
}
t := time.Now()
stm := as.NewStatement(*shared.Namespace, *shared.Set)
res, err := client.QueryAggregate(nil, stm, filename, filename, "bin1")
shared.PanicOnError(err)
for rec := range res.Results() {
log.Printf("Result %f should equal %d\n", rec.Record.Bins["SUCCESS"], sum)
}
log.Println("Map/Reduce took", time.Now().Sub(t))
}
func (c *client) lockKey(key *as.Key) error {
writePolicy := as.NewWritePolicy(0, -1)
writePolicy.RecordExistsAction = as.CREATE_ONLY
lockBin := as.NewBin(binLockName, "true")
return c.asClient.PutBins(writePolicy, key, lockBin)
}
// UpdateService updates the data associated with a service.
func UpdateService(
as *aerospike.Client, env string, service string, description string,
isPublic bool, liveCodeVersion int64) (
err error) {
key, err := serviceKey(env, service)
if err != nil {
return err
}
wp := aerospike.NewWritePolicy(0, 0)
wp.RecordExistsAction = aerospike.UPDATE_ONLY
return as.PutBins(
wp, key,
aerospike.NewBin("Desc", description),
aerospike.NewBin("IsPub", btoi(isPublic)),
aerospike.NewBin("LiveVer", liveCodeVersion),
)
}
// Set stores a value by key.
// TODO(nslaughter): change name. Put is a better name because a Set is a thing.
func (db DB) Set(key string, value string) (interface{}, error) {
k, err := as.NewKey(db.namespace, db.set, key)
if err != nil {
return 0, err
}
bin := as.NewBin("", value)
db.client.PutBins(db.wp, k, bin)
return 1, nil
}
// SetServiceLiveCodeVersion sets the provided version of the code as the live
// one.
func SetServiceLiveCodeVersion(
as *aerospike.Client, env string, service string, version int64) (
err error) {
key, err := serviceKey(env, service)
if err != nil {
return err
}
bin := aerospike.NewBin("LiveVer", version)
return as.PutBins(nil, key, bin)
}
/**
* 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 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)
shared.PanicOnError(err)
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)
}
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)
}
}
// 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)
}
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.")
}
}
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.")
}
/**
* 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 = math.MaxUint32
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.")
}
}
/**
* Write records individually.
*/
func writeRecords(
client *as.Client,
keyPrefix string,
binName string,
valuePrefix string,
size int,
) {
for i := 1; i <= size; i++ {
key, _ := as.NewKey(*shared.Namespace, *shared.Set, keyPrefix+strconv.Itoa(i))
bin := as.NewBin(binName, valuePrefix+strconv.Itoa(i))
log.Printf("Put: ns=%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)
}
}
// NewServiceCodeVersion generates a version number of the code and returns it.
func NewServiceCodeVersion(
as *aerospike.Client, env string, service string) (
newVersion int64, err error) {
key, err := serviceKey(env, service)
if err != nil {
return 0, err
}
bin := aerospike.NewBin("NextVer", 1)
record, err := as.Operate(
nil, key, aerospike.AddOp(bin),
aerospike.GetOpForBin("NextVer"))
if err != nil {
return 0, err
}
return int64(record.Bins["NextVer"].(int)), nil
}
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)
}
}
/**
* 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 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.")
}
}
/**
* 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)
}
/**
* 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.")
}
/**
* 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")
}
// Offer a Parcel of Stock for Sale
func (command *Command) Offer(r *http.Request, offer *m.Offer, offerId *int) error {
var err error
*offerId = 0
// Check if the broker has enough inventory
brokerKeyId := fmt.Sprintf("%s:%d", BROKERS, offer.BrokerId)
brokerKey, err := as.NewKey(NAMESPACE, BROKERS, brokerKeyId)
if err != nil {
return err
}
brokerRec, err := db.Get(readPolicy, brokerKey, offer.Ticker, offer.Ticker+"_os")
if err != nil {
return err
}
if brokerRec == nil {
return fmt.Errorf("Broker not found %d", offer.BrokerId)
}
// fmt.Printf("%#v\n\n", brokerRec)
if brokerRec.Bins == nil || len(brokerRec.Bins) == 0 {
return errors.New("Broker does not have any inventory of the stock")
} else if _, exists := brokerRec.Bins[offer.Ticker+"_os"]; !exists {
// set the outstanding as much as the inventory - bin quantity
err := db.Put(writePolicy, brokerKey, as.BinMap{offer.Ticker + "_os": int(int(brokerRec.Bins[offer.Ticker].(int)) - offer.Quantity)})
if err != nil {
return err
}
} else {
opRec, err := db.Operate(
writePolicy,
brokerKey,
as.AddOp(as.NewBin(offer.Ticker+"_os", -1*int(offer.Quantity))),
as.GetOp(),
)
if err != nil {
return err
}
if inventory, exists := opRec.Bins[offer.Ticker+"_os"]; !exists || int(inventory.(int)) < offer.Quantity {
db.Add(writePolicy, brokerKey, as.BinMap{offer.Ticker + "_os": offer.Quantity})
return errors.New("Not enough inventory")
}
}
// offer.Id = int(atomic.AddInt64(&offerIdSeq, 1))
offer.Id, err = nextSeq("offer")
if err != nil {
return nil
}
// put the offer up
offerKeyId := fmt.Sprintf("%s:%d", OFFERS, offer.Id)
offerKey, err := as.NewKey(NAMESPACE, OFFERS, offerKeyId)
if err != nil {
return err
}
offerBins := as.BinMap{
"offer_id": offer.Id,
"broker_id": offer.BrokerId,
"ticker": offer.Ticker,
"quantity": offer.Quantity,
"price": offer.Price,
"ttl": offer.TTL,
}
if err = db.Put(writePolicy, offerKey, offerBins); err != nil {
return err
}
*offerId = offer.Id
broadcast <- &m.Notification{
Version: "2.0",
Method: "Offer",
Params: *offer,
}
go Auctioner(offer.Id, offer.TTL)
return nil
}
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)
}
}