@Test
public void testPrefixUniquenessConstraintWithColumn() throws Exception {
ColumnPrefixUniquenessConstraint<String> unique =
new ColumnPrefixUniquenessConstraint<String>(
keyspace, UNIQUE_CF, "testPrefixUniquenessConstraintWithColumn")
.withConsistencyLevel(ConsistencyLevel.CL_ONE)
.withUniqueId("abc");
ColumnPrefixUniquenessConstraint<String> unique2 =
new ColumnPrefixUniquenessConstraint<String>(
keyspace, UNIQUE_CF, "testPrefixUniquenessConstraintWithColumn")
.withConsistencyLevel(ConsistencyLevel.CL_ONE)
.withUniqueId("def");
try {
unique.acquire();
String column = unique.readUniqueColumn();
LOG.info("Unique Column: " + column);
Assert.assertEquals("abc", column);
try {
unique2.acquire();
Assert.fail();
} catch (Exception e) {
}
column = unique.readUniqueColumn();
LOG.info("Unique Column: " + column);
Assert.assertEquals("abc", column);
} catch (Exception e) {
Assert.fail(e.getMessage());
LOG.error(e.getMessage());
} finally {
unique.release();
}
}
