Examples with Record com.aerospike.client.Record used on opensource projects

Example 11 with Record

use of com.aerospike.client.Record in project aerospike-client-java by aerospike.

the class RWTaskSync method get.

@Override
protected void get(Key key, String binName) {
    Record record;
    if (counters.read.latency != null) {
        long begin = System.nanoTime();
        record = client.get(args.readPolicy, key, binName);
        long elapsed = System.nanoTime() - begin;
        counters.read.latency.add(elapsed);
    } else {
        record = client.get(args.readPolicy, key, binName);
    }
    processRead(key, record);
}

Example 12 with Record

use of com.aerospike.client.Record in project aerospike-client-java by aerospike.

the class BatchOperate method batchReadOperateComplex.

/**
 * Read results using varying read operations in one batch.
 */
private void batchReadOperateComplex(AerospikeClient client, Parameters params) {
    console.info("batchReadOperateComplex");
    Expression exp1 = Exp.build(Exp.mul(Exp.intBin(BinName1), Exp.intBin(BinName2)));
    Expression exp2 = Exp.build(Exp.add(Exp.intBin(BinName1), Exp.intBin(BinName2)));
    Expression exp3 = Exp.build(Exp.sub(Exp.intBin(BinName1), Exp.intBin(BinName2)));
    // Batch uses pointer reference to quickly determine if operations are repeated and can therefore
    // be optimized, but using varargs directly always creates a new reference. Therefore, save operation
    // array so we have one pointer reference per operation array.
    Operation[] ops1 = Operation.array(ExpOperation.read(ResultName1, exp1, ExpReadFlags.DEFAULT));
    Operation[] ops2 = Operation.array(ExpOperation.read(ResultName1, exp2, ExpReadFlags.DEFAULT));
    Operation[] ops3 = Operation.array(ExpOperation.read(ResultName1, exp3, ExpReadFlags.DEFAULT));
    Operation[] ops4 = Operation.array(ExpOperation.read(ResultName1, exp2, ExpReadFlags.DEFAULT), ExpOperation.read(ResultName2, exp3, ExpReadFlags.DEFAULT));
    List<BatchRead> records = new ArrayList<BatchRead>();
    records.add(new BatchRead(new Key(params.namespace, params.set, KeyPrefix + 1), ops1));
    // The following record is optimized (namespace,set,ops are only sent once) because
    // namespace, set and ops all have the same pointer references as the previous entry.
    records.add(new BatchRead(new Key(params.namespace, params.set, KeyPrefix + 2), ops1));
    records.add(new BatchRead(new Key(params.namespace, params.set, KeyPrefix + 3), ops2));
    records.add(new BatchRead(new Key(params.namespace, params.set, KeyPrefix + 4), ops3));
    records.add(new BatchRead(new Key(params.namespace, params.set, KeyPrefix + 5), ops4));
    // Execute batch.
    client.get(null, records);
    // Show results.
    int count = 0;
    for (BatchRead record : records) {
        Record rec = record.record;
        Object v1 = rec.getValue(ResultName1);
        Object v2 = rec.getValue(ResultName2);
        console.info("Result[%d]: %s, %s", count++, v1, v2);
    }
}

Example 13 with Record

use of com.aerospike.client.Record in project aerospike-client-java by aerospike.

the class Expire method expireExample.

/**
 * Write and twice read an expiration record.
 */
private void expireExample(AerospikeClient client, Parameters params) throws Exception {
    Key key = new Key(params.namespace, params.set, "expirekey ");
    Bin bin = new Bin(params.getBinName("expirebin"), "expirevalue");
    console.info("Put: namespace=%s set=%s key=%s bin=%s value=%s expiration=2", key.namespace, key.setName, key.userKey, bin.name, bin.value);
    // Specify that record expires 2 seconds after it's written.
    WritePolicy writePolicy = new WritePolicy();
    writePolicy.expiration = 2;
    client.put(writePolicy, key, bin);
    // Read the record before it expires, showing it is there.
    console.info("Get: namespace=%s set=%s key=%s", key.namespace, key.setName, key.userKey);
    Record record = client.get(params.policy, key, bin.name);
    if (record == null) {
        throw new Exception(String.format("Failed to get record: namespace=%s set=%s key=%s", key.namespace, key.setName, key.userKey));
    }
    Object received = record.getValue(bin.name);
    String expected = bin.value.toString();
    if (received.equals(expected)) {
        console.info("Get record successful: namespace=%s set=%s key=%s bin=%s value=%s", key.namespace, key.setName, key.userKey, bin.name, received);
    } else {
        throw new Exception(String.format("Expire record mismatch: Expected %s. Received %s.", expected, received));
    }
    // Read the record after it expires, showing it's gone.
    console.info("Sleeping for 3 seconds ...");
    Thread.sleep(3 * 1000);
    record = client.get(params.policy, key, bin.name);
    if (record == null) {
        console.info("Expiry of record successful. Record not found.");
    } else {
        console.error("Found record when it should have expired.");
    }
}

Example 14 with Record

use of com.aerospike.client.Record in project aerospike-client-java by aerospike.

the class Append method runExample.

/**
 * Append string to an existing string.
 */
@Override
public void runExample(AerospikeClient client, Parameters params) throws Exception {
    Key key = new Key(params.namespace, params.set, "appendkey");
    String binName = params.getBinName("appendbin");
    // Delete record if it already exists.
    client.delete(params.writePolicy, key);
    Bin bin = new Bin(binName, "Hello");
    console.info("Initial append will create record.  Initial value is " + bin.value + '.');
    client.append(params.writePolicy, key, bin);
    bin = new Bin(binName, " World");
    console.info("Append \"" + bin.value + "\" to existing record.");
    client.append(params.writePolicy, key, bin);
    Record record = client.get(params.policy, key, bin.name);
    if (record == null) {
        throw new Exception(String.format("Failed to get: namespace=%s set=%s key=%s", key.namespace, key.setName, key.userKey));
    }
    Object received = record.getValue(bin.name);
    String expected = "Hello World";
    if (received.equals(expected)) {
        console.info("Append successful: ns=%s set=%s key=%s bin=%s value=%s", key.namespace, key.setName, key.userKey, bin.name, received);
    } else {
        console.error("Append mismatch: Expected %s. Received %s.", expected, received);
    }
}

Example 15 with Record

use of com.aerospike.client.Record in project aerospike-client-java by aerospike.

the class AsyncBatch method batchReadComplex.

/**
 * Read records with varying namespaces, bin names and read types in one batch.
 * This requires Aerospike Server version >= 3.6.0
 */
private void batchReadComplex() throws Exception {
    // Batch gets into one call.
    // Batch allows multiple namespaces in one call, but example test environment may only have one namespace.
    String[] bins = new String[] { binName };
    List<BatchRead> records = new ArrayList<BatchRead>();
    records.add(new BatchRead(new Key(params.namespace, params.set, keyPrefix + 1), bins));
    records.add(new BatchRead(new Key(params.namespace, params.set, keyPrefix + 2), true));
    records.add(new BatchRead(new Key(params.namespace, params.set, keyPrefix + 3), true));
    records.add(new BatchRead(new Key(params.namespace, params.set, keyPrefix + 4), false));
    records.add(new BatchRead(new Key(params.namespace, params.set, keyPrefix + 5), true));
    records.add(new BatchRead(new Key(params.namespace, params.set, keyPrefix + 6), true));
    records.add(new BatchRead(new Key(params.namespace, params.set, keyPrefix + 7), bins));
    // This record should be found, but the requested bin will not be found.
    records.add(new BatchRead(new Key(params.namespace, params.set, keyPrefix + 8), new String[] { "binnotfound" }));
    // This record should not be found.
    records.add(new BatchRead(new Key(params.namespace, params.set, "keynotfound"), bins));
    // Execute batch.
    client.get(eventLoop, new BatchListListener() {

        public void onSuccess(List<BatchRead> records) {
            // Show results.
            int found = 0;
            for (BatchRead record : records) {
                Key key = record.key;
                Record rec = record.record;
                if (rec != null) {
                    found++;
                    console.info("Record: ns=%s set=%s key=%s bin=%s value=%s", key.namespace, key.setName, key.userKey, binName, rec.getValue(binName));
                } else {
                    console.info("Record not found: ns=%s set=%s key=%s bin=%s", key.namespace, key.setName, key.userKey, binName);
                }
            }
            if (found != 8) {
                console.error("Records found mismatch. Expected %d. Received %d.", 8, found);
            }
        }

        public void onFailure(AerospikeException e) {
            console.error("Batch read complex failed: " + Util.getErrorMessage(e));
        }
    }, null, records);
}