/** Drop a bin from a record. */
@Override
public void runExample(AerospikeClient client, Parameters params) throws Exception {
if (params.singleBin) {
console.info("Delete bin is not applicable to single bin servers.");
return;
}
console.info("Write multi-bin record.");
Key key = new Key(params.namespace, params.set, "delbinkey");
String binName1 = params.getBinName("bin1");
String binName2 = params.getBinName("bin2");
Bin bin1 = new Bin(binName1, "value1");
Bin bin2 = new Bin(binName2, "value2");
client.put(params.writePolicy, key, bin1, bin2);
console.info("Delete one bin in the record.");
bin1 = Bin.asNull(binName1); // Set bin value to null to drop bin.
client.put(params.writePolicy, key, bin1);
console.info("Read record.");
Record record = client.get(params.policy, key, bin1.name, bin2.name, "bin3");
if (record == null) {
throw new Exception(
String.format(
"Failed to get: namespace=%s set=%s key=%s",
key.namespace, key.setName, key.userKey));
}
for (Map.Entry<String, Object> entry : record.bins.entrySet()) {
console.info(
"Received: namespace=%s set=%s key=%s bin=%s value=%s",
key.namespace, key.setName, key.userKey, entry.getKey(), entry.getValue());
}
boolean valid = true;
if (record.getValue("bin1") != null) {
console.error("bin1 still exists.");
valid = false;
}
Object v2 = record.getValue("bin2");
if (v2 == null || !v2.equals("value2")) {
console.error("bin2 value mismatch.");
valid = false;
}
if (valid) {
console.info("Bin delete successful");
}
}
private void writeUsingUdfAsync(final AsyncClient client, final Parameters params) {
final Key key = new Key(params.namespace, params.set, "audfkey1");
final Bin bin = new Bin(params.getBinName("audfbin1"), "string value");
console.info(
"Write with udf: namespace=%s set=%s key=%s value=%s",
key.namespace, key.setName, key.userKey, bin.value);
client.execute(
params.writePolicy,
new ExecuteListener() {
public void onSuccess(final Key key, final Object obj) {
try {
// Write succeeded. Now call read using udf.
console.info(
"Get: namespace=%s set=%s key=%s", key.namespace, key.setName, key.userKey);
client.execute(
params.writePolicy,
new ExecuteListener() {
public void onSuccess(final Key key, final Object received) {
Object expected = bin.value.getObject();
if (received != null && received.equals(expected)) {
console.info(
"Data matched: namespace=%s set=%s key=%s bin=%s value=%s",
key.namespace, key.setName, key.userKey, bin.name, received);
} else {
console.error(
"Data mismatch: Expected %s. Received %s.", expected, received);
}
notifyCompleted();
}
public void onFailure(AerospikeException e) {
console.error(
"Failed to get: namespace=%s set=%s key=%s exception=%s",
key.namespace, key.setName, key.userKey, e.getMessage());
notifyCompleted();
}
},
key,
"record_example",
"readBin",
Value.get(bin.name));
} catch (Exception e) {
console.error(
"Failed to read: namespace=%s set=%s key=%s exception=%s",
key.namespace, key.setName, key.userKey, e.getMessage());
}
}
public void onFailure(AerospikeException e) {
console.error(
"Failed to write: namespace=%s set=%s key=%s exception=%s",
key.namespace, key.setName, key.userKey, e.getMessage());
notifyCompleted();
}
},
key,
"record_example",
"writeBin",
Value.get(bin.name),
bin.value);
}