public static List filterUpgradeCommands()

in elastic-db-tools/src/main/java/com/microsoft/azure/elasticdb/shard/utils/SqlUtils.java [230:255]

16 lines of code
11 McCabe index (conditional complexity)


    public static List<StringBuilder> filterUpgradeCommands(List<UpgradeSteps> commandList,
            Version targetVersion,
            Version currentVersion) {
        ArrayList<StringBuilder> list = new ArrayList<>();

        for (UpgradeSteps s : commandList) {
            // For every upgrade step, add it to the output list if its initial version
            // satisfy one of the 3 criteria below:
            // 1. If it is part of initial upgrade step (from version 0.0 to 1.0)
            // which acquires SCH-M lock on ShardMapManagerGlobal
            // 2. If initial version is greater than current store version
            // and less than target version requested
            // 3. If it is part of final upgrade step which releases SCH-M lock on ShardMapManagerGlobal

            if ((s.getInitialMajorVersion() == MAJOR_NUMBER_FOR_INITIAL_UPGRADE_STEP)
                    || ((currentVersion == null || s.getInitialMajorVersion() > currentVersion.getMajor()
                            || (s.getInitialMajorVersion() == currentVersion.getMajor() && s.getInitialMinorVersion() >= currentVersion.getMinor()))
                            && (s.getInitialMajorVersion() < targetVersion.getMajor() || (s.getInitialMajorVersion() == targetVersion.getMajor()
                                    && s.getInitialMinorVersion() < targetVersion.getMinor())))
                    || (s.getInitialMajorVersion() == MAJOR_NUMBER_FOR_FINAL_UPGRADE_STEP)) {
                list.add(s.getCommands());
            }
        }

        return list;
    }