@Test
public void testRowUniquenessConstraint() throws Exception {
RowUniquenessConstraint<String, String> unique =
new RowUniquenessConstraint<String, String>(
keyspace,
UNIQUE_CF,
"testRowUniquenessConstraint",
UUIDStringSupplier.getInstance())
.withConsistencyLevel(ConsistencyLevel.CL_ONE);
RowUniquenessConstraint<String, String> unique2 =
new RowUniquenessConstraint<String, String>(
keyspace,
UNIQUE_CF,
"testRowUniquenessConstraint",
UUIDStringSupplier.getInstance())
.withConsistencyLevel(ConsistencyLevel.CL_ONE);
try {
unique.withData("abc").acquire();
try {
unique2.acquire();
Assert.fail();
} catch (Exception e) {
LOG.info(e.getMessage());
}
String data = unique.readDataAsString();
Assert.assertNotNull(data);
} catch (Exception e) {
e.printStackTrace();
Assert.fail(e.getMessage());
LOG.error(e.getMessage());
} finally {
unique.release();
}
try {
String data = unique.readDataAsString();
Assert.fail();
} catch (Exception e) {
LOG.info("", e);
}
}