Examples with Result com.scalar.db.api.Result used on opensource projects

Example 71 with Result

use of com.scalar.db.api.Result in project scalardb by scalar-labs.

the class ConsensusCommitIntegrationTestBase method get_GetGivenForNonExisting_ShouldReturnEmpty.

@Test
public void get_GetGivenForNonExisting_ShouldReturnEmpty() throws CrudException, CommitException, UnknownTransactionStatusException {
    // Arrange
    populateRecords(namespace1, TABLE_1);
    ConsensusCommit transaction = manager.start();
    Get get = prepareGet(0, 4, namespace1, TABLE_1);
    // Act
    Optional<Result> result = transaction.get(get);
    // Assert
    assertThat(result.isPresent()).isFalse();
}

Example 72 with Result

use of com.scalar.db.api.Result in project scalardb by scalar-labs.

the class ConsensusCommitIntegrationTestBase method scan_DeleteGivenBefore_ShouldScan.

@Test
public void scan_DeleteGivenBefore_ShouldScan() throws CommitException, UnknownTransactionStatusException, CrudException {
    // Arrange
    ConsensusCommit transaction = manager.start();
    transaction.put(preparePut(0, 0, namespace1, TABLE_1).withValue(BALANCE, 1));
    transaction.put(preparePut(0, 1, namespace1, TABLE_1).withValue(BALANCE, 1));
    transaction.commit();
    // Act
    ConsensusCommit transaction1 = manager.start();
    transaction1.delete(prepareDelete(0, 0, namespace1, TABLE_1));
    Scan scan = prepareScan(0, 0, 1, namespace1, TABLE_1);
    List<Result> results = transaction1.scan(scan);
    assertThatCode(transaction1::commit).doesNotThrowAnyException();
    // Assert
    assertThat(results.size()).isEqualTo(1);
}

Example 73 with Result

use of com.scalar.db.api.Result in project scalardb by scalar-labs.

the class JdbcTransactionIntegrationTest method get_GetGivenForCommittedRecord_ShouldReturnRecord.

@Test
public void get_GetGivenForCommittedRecord_ShouldReturnRecord() throws TransactionException {
    // Arrange
    populateRecords();
    JdbcTransaction transaction = manager.start();
    Get get = prepareGet(0, 0, NAMESPACE, TABLE);
    // Act
    Optional<Result> result = transaction.get(get);
    transaction.commit();
    // Assert
    assertThat(result.isPresent()).isTrue();
}

Example 74 with Result

use of com.scalar.db.api.Result in project scalardb by scalar-labs.

the class JdbcTransactionIntegrationTest method prepareTransfer.

private JdbcTransaction prepareTransfer(int fromId, int toId, int amount) throws TransactionException {
    JdbcTransaction transaction = manager.start();
    List<Get> gets = prepareGets(NAMESPACE, TABLE);
    Optional<Result> fromResult = transaction.get(gets.get(fromId));
    assertThat(fromResult.isPresent()).isTrue();
    IntValue fromBalance = new IntValue(BALANCE, getBalance(fromResult.get()) - amount);
    Optional<Result> toResult = transaction.get(gets.get(toId));
    assertThat(toResult.isPresent()).isTrue();
    IntValue toBalance = new IntValue(BALANCE, getBalance(toResult.get()) + amount);
    List<Put> puts = preparePuts(NAMESPACE, TABLE);
    puts.get(fromId).withValue(fromBalance);
    puts.get(toId).withValue(toBalance);
    transaction.put(puts.get(fromId));
    transaction.put(puts.get(toId));
    return transaction;
}

Example 75 with Result

use of com.scalar.db.api.Result in project scalardb by scalar-labs.

the class JdbcTransactionIntegrationTest method commit_DeleteGivenForExistingAfterRead_ShouldDeleteRecord.

@Test
public void commit_DeleteGivenForExistingAfterRead_ShouldDeleteRecord() throws TransactionException {
    // Arrange
    populateRecords();
    Get get = prepareGet(0, 0, NAMESPACE, TABLE);
    Delete delete = prepareDelete(0, 0, NAMESPACE, TABLE);
    JdbcTransaction transaction = manager.start();
    // Act
    Optional<Result> result = transaction.get(get);
    transaction.delete(delete);
    transaction.commit();
    // Assert
    assertThat(result.isPresent()).isTrue();
    JdbcTransaction another = manager.start();
    Optional<Result> result1 = another.get(get);
    another.commit();
    assertThat(result1.isPresent()).isFalse();
}