Examples with WritePolicy com.aerospike.client.policy.WritePolicy used on opensource projects

Example 1 with WritePolicy

use of com.aerospike.client.policy.WritePolicy 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 2 with WritePolicy

use of com.aerospike.client.policy.WritePolicy in project aerospike-client-java by aerospike.

the class Generation method runExample.

/**
	 * Exercise record generation functionality.
	 */
@Override
public void runExample(AerospikeClient client, Parameters params) throws Exception {
    Key key = new Key(params.namespace, params.set, "genkey");
    String binName = params.getBinName("genbin");
    // Delete record if it already exists.
    client.delete(params.writePolicy, key);
    // Set some values for the same record.
    Bin bin = new Bin(binName, "genvalue1");
    console.info("Put: namespace=%s set=%s key=%s bin=%s value=%s", key.namespace, key.setName, key.userKey, bin.name, bin.value);
    client.put(params.writePolicy, key, bin);
    bin = new Bin(binName, "genvalue2");
    console.info("Put: namespace=%s set=%s key=%s bin=%s value=%s", key.namespace, key.setName, key.userKey, bin.name, bin.value);
    client.put(params.writePolicy, key, bin);
    // Retrieve record and its generation count.
    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 = bin.value.toString();
    if (received.equals(expected)) {
        console.info("Get successful: namespace=%s set=%s key=%s bin=%s value=%s generation=%d", key.namespace, key.setName, key.userKey, bin.name, received, record.generation);
    } else {
        throw new Exception(String.format("Get mismatch: Expected %s. Received %s.", expected, received));
    }
    // Set record and fail if it's not the expected generation.
    bin = new Bin(binName, "genvalue3");
    console.info("Put: namespace=%s set=%s key=%s bin=%s value=%s expected generation=%d", key.namespace, key.setName, key.userKey, bin.name, bin.value, record.generation);
    WritePolicy writePolicy = new WritePolicy();
    writePolicy.generationPolicy = GenerationPolicy.EXPECT_GEN_EQUAL;
    writePolicy.generation = record.generation;
    client.put(writePolicy, key, bin);
    // Set record with invalid generation and check results .
    bin = new Bin(binName, "genvalue4");
    writePolicy.generation = 9999;
    console.info("Put: namespace=%s set=%s key=%s bin=%s value=%s expected generation=%d", key.namespace, key.setName, key.userKey, bin.name, bin.value, writePolicy.generation);
    try {
        client.put(writePolicy, key, bin);
        throw new Exception("Should have received generation error instead of success.");
    } catch (AerospikeException ae) {
        if (ae.getResultCode() == ResultCode.GENERATION_ERROR) {
            console.info("Success: Generation error returned as expected.");
        } else {
            throw new Exception(String.format("Unexpected set return code: namespace=%s set=%s key=%s bin=%s value=%s code=%s", key.namespace, key.setName, key.userKey, bin.name, bin.value, ae.getResultCode()));
        }
    }
    // Verify results.
    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));
    }
    received = record.getValue(bin.name);
    expected = "genvalue3";
    if (received.equals(expected)) {
        console.info("Get successful: namespace=%s set=%s key=%s bin=%s value=%s generation=%d", key.namespace, key.setName, key.userKey, bin.name, received, record.generation);
    } else {
        throw new Exception(String.format("Get mismatch: Expected %s. Received %s.", expected, received));
    }
}

Example 3 with WritePolicy

use of com.aerospike.client.policy.WritePolicy in project aerospike-client-java by aerospike.

the class Replace method runReplaceExample.

public void runReplaceExample(AerospikeClient client, Parameters params) throws Exception {
    Key key = new Key(params.namespace, params.set, "replacekey");
    Bin bin1 = new Bin("bin1", "value1");
    Bin bin2 = new Bin("bin2", "value2");
    Bin bin3 = new Bin("bin3", "value3");
    console.info("Put: namespace=%s set=%s key=%s bin1=%s value1=%s bin2=%s value2=%s", key.namespace, key.setName, key.userKey, bin1.name, bin1.value, bin2.name, bin2.value);
    client.put(params.writePolicy, key, bin1, bin2);
    console.info("Replace with: namespace=%s set=%s key=%s bin=%s value=%s", key.namespace, key.setName, key.userKey, bin3.name, bin3.value);
    WritePolicy policy = new WritePolicy();
    policy.recordExistsAction = RecordExistsAction.REPLACE;
    client.put(policy, key, bin3);
    console.info("Get: namespace=%s set=%s key=%s", key.namespace, key.setName, key.userKey);
    Record record = client.get(params.policy, key);
    if (record == null) {
        throw new Exception(String.format("Failed to get: namespace=%s set=%s key=%s", key.namespace, key.setName, key.userKey));
    }
    if (record.getValue(bin1.name) == null) {
        console.info(bin1.name + " was deleted as expected.");
    } else {
        console.error(bin1.name + " found when it should have been deleted.");
    }
    if (record.getValue(bin2.name) == null) {
        console.info(bin2.name + " was deleted as expected.");
    } else {
        console.error(bin2.name + " found when it should have been deleted.");
    }
    validateBin(key, bin3, record);
}

Example 4 with WritePolicy

use of com.aerospike.client.policy.WritePolicy in project aerospike-client-java by aerospike.

the class Replace method runReplaceOnlyExample.

public void runReplaceOnlyExample(AerospikeClient client, Parameters params) throws Exception {
    Key key = new Key(params.namespace, params.set, "replaceonlykey");
    Bin bin = new Bin("bin", "value");
    // Delete record if it already exists.
    client.delete(params.writePolicy, key);
    console.info("Replace record requiring that it exists: namespace=%s set=%s key=%s", key.namespace, key.setName, key.userKey);
    try {
        WritePolicy policy = new WritePolicy();
        policy.recordExistsAction = RecordExistsAction.REPLACE_ONLY;
        client.put(policy, key, bin);
        console.error("Failure. This command should have resulted in an error.");
    } catch (AerospikeException ae) {
        if (ae.getResultCode() == ResultCode.KEY_NOT_FOUND_ERROR) {
            console.info("Success. Key not found error returned as expected.");
        } else {
            throw ae;
        }
    }
}

Example 5 with WritePolicy

use of com.aerospike.client.policy.WritePolicy in project aerospike-client-java by aerospike.

the class StoreKey method writeRecords.

private void writeRecords(AerospikeClient client, Parameters params, String keyPrefix, String binName, int size) throws Exception {
    console.info("Write " + size + " records with store user key option.");
    WritePolicy policy = new WritePolicy();
    policy.sendKey = true;
    for (int i = 1; i <= size; i++) {
        Key key = new Key(params.namespace, params.set, keyPrefix + i);
        Bin bin = new Bin(binName, i);
        client.put(policy, key, bin);
    }
}