Examples with Expression com.aerospike.client.exp.Expression used on opensource projects

Example 16 with Expression

use of com.aerospike.client.exp.Expression in project aerospike-client-java by aerospike.

the class TestExpOperation method expReadEvalError.

@Test
public void expReadEvalError() {
    Expression exp = Exp.build(Exp.add(Exp.intBin(binA), Exp.val(4)));
    Record record = client.operate(null, keyA, ExpOperation.read(expVar, exp, ExpReadFlags.DEFAULT));
    assertRecordFound(keyA, record);
    // System.out.println(record);
    AerospikeException ae = assertThrows(AerospikeException.class, new ThrowingRunnable() {

        public void run() {
            // Bin AString doesn't exist on keyB.
            client.operate(null, keyB, ExpOperation.read(expVar, exp, ExpReadFlags.DEFAULT));
        }
    });
    assertEquals(ResultCode.OP_NOT_APPLICABLE, ae.getResultCode());
    // Try NO_FAIL.
    record = client.operate(null, keyB, ExpOperation.read(expVar, exp, ExpReadFlags.EVAL_NO_FAIL));
    assertRecordFound(keyB, record);
// System.out.println(record);
}

Example 17 with Expression

use of com.aerospike.client.exp.Expression in project aerospike-client-java by aerospike.

the class TestExpOperation method expWriteEvalError.

@Test
public void expWriteEvalError() {
    Expression wexp = Exp.build(Exp.add(Exp.intBin(binA), Exp.val(4)));
    Expression rexp = Exp.build(Exp.intBin(binC));
    Record record = client.operate(null, keyA, ExpOperation.write(binC, wexp, ExpReadFlags.DEFAULT), ExpOperation.read(expVar, rexp, ExpReadFlags.DEFAULT));
    assertRecordFound(keyA, record);
    // System.out.println(record);
    AerospikeException ae = assertThrows(AerospikeException.class, new ThrowingRunnable() {

        public void run() {
            client.operate(null, keyB, ExpOperation.write(binC, wexp, ExpWriteFlags.DEFAULT), ExpOperation.read(expVar, rexp, ExpReadFlags.DEFAULT));
        }
    });
    assertEquals(ResultCode.OP_NOT_APPLICABLE, ae.getResultCode());
    // Add NO_FAIL.
    record = client.operate(null, keyB, ExpOperation.write(binC, wexp, ExpWriteFlags.EVAL_NO_FAIL), ExpOperation.read(expVar, rexp, ExpReadFlags.EVAL_NO_FAIL));
    assertRecordFound(keyB, record);
// System.out.println(record);
}

Example 18 with Expression

use of com.aerospike.client.exp.Expression in project aerospike-client-java by aerospike.

the class TestExpOperation method expReturnsFloat.

@Test
public void expReturnsFloat() {
    Expression exp = Exp.build(Exp.add(Exp.toFloat(Exp.intBin(binA)), Exp.val(4.0)));
    Record record = client.operate(null, keyA, ExpOperation.write(binC, exp, ExpWriteFlags.DEFAULT), Operation.get(binC), ExpOperation.read(expVar, exp, ExpReadFlags.DEFAULT));
    assertRecordFound(keyA, record);
    // System.out.println(record);
    List<?> results = record.getList(binC);
    double val = (Double) results.get(1);
    double delta = 0.000001;
    assertEquals(5.0, val, delta);
    val = record.getDouble(expVar);
    assertEquals(5.0, val, delta);
    record = client.operate(null, keyA, ExpOperation.read(expVar, exp, ExpReadFlags.DEFAULT));
    val = record.getDouble(expVar);
    assertEquals(5.0, val, delta);
}

Example 19 with Expression

use of com.aerospike.client.exp.Expression in project aerospike-client-java by aerospike.

the class BatchOperate method batchReadOperate.

/**
 * Perform read operation expressions in one batch.
 */
private void batchReadOperate(AerospikeClient client, Parameters params) {
    console.info("batchReadOperate");
    Key[] keys = new Key[RecordCount];
    for (int i = 0; i < RecordCount; i++) {
        keys[i] = new Key(params.namespace, params.set, KeyPrefix + (i + 1));
    }
    // bin1 * bin2
    Expression exp = Exp.build(Exp.mul(Exp.intBin(BinName1), Exp.intBin(BinName2)));
    Record[] records = client.get(null, keys, ExpOperation.read(ResultName1, exp, ExpReadFlags.DEFAULT));
    for (int i = 0; i < records.length; i++) {
        Record record = records[i];
        console.info("Result[%d]: %d", i, record.getInt(ResultName1));
    }
}