private void validateDistributionFactorLower(double distributionFactorLower) {
        checkState(
                doubleCompare(distributionFactorLower, 0.0d) >= 0
                        && doubleCompare(distributionFactorLower, 1.0d) <= 0,
                String.format(
                        "The value of option '%s' must between %s and %s inclusively, but is %s",
                        SPLIT_KEY_EVEN_DISTRIBUTION_FACTOR_LOWER_BOUND.key(),
                        0.0d,
                        1.0d,
                        distributionFactorLower));
    }
Checks the value of given evenly distribution factor lower bound is valid.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/oracle-cdc/src/main/java/org/apache/inlong/sort/cdc/oracle/table/OracleTableSourceFactory.java