Content Comparison

/**
Converts the {@link UserBiometric} and {@link BiometricsDto} to {@link BiometricRecord} and
{@link BiometricRecord array} respectively and calls the match method of Match-SDK library
to get the response of the decisions whether {@link Match MATCHED or NOT_MATCHED}
@param biometricType {@link BiometricType}
@param userBiometrics {@link UserBiometric}
@param biometricsDto {@link BiometricsDto}
@param iBioApiV2 {@link IBioApiV2}
@return boolean value matched or not based on the match result flag Match.MATCHED or Match.NOT_MATCHED.
*/

    private static boolean matchBiometrics(BiometricType biometricType, List<UserBiometric> userBiometrics, List<BiometricsDto> biometricsDto, IBioApiV2 iBioApiV2) {
        Map<String, List<BIR>> birMap = new HashMap<>();

        for (UserBiometric userBiometric : userBiometrics) {
            String userId = userBiometric.getUsrId();
            birMap.computeIfAbsent(userId, k -> new ArrayList<>())
                    .add(buildBir(userBiometric.getBioAttributeCode(),
                     userBiometric.getQualityScore(), userBiometric.getBioTemplate(), biometricType, ProcessedLevelType.PROCESSED, true));
        }

        List<BIR> birList = new ArrayList<>(biometricsDto.size());
        biometricsDto.forEach(biometricDto -> {
            birList.add(buildBir(biometricDto.getBioSubType(),
                    (long) biometricDto.getQualityScore(),
                    CryptoUtil.base64decoder.decode(biometricDto.getBioValue()), biometricType,
                    ProcessedLevelType.RAW, false));
        });

        BiometricRecord biometricRecord = new BiometricRecord();
        biometricRecord.getSegments().addAll(birList);

        List<BiometricRecord> biometricRecordList = new ArrayList<>();
        for(List<BIR> birListValue: birMap.values()){
            BiometricRecord biometricRecordValue = new BiometricRecord();
            biometricRecordValue.getSegments().addAll(birListValue);
            biometricRecordList.add(biometricRecordValue);
        }
        BiometricRecord [] biometricRecords = biometricRecordList.toArray(new BiometricRecord[0]);

        List<BiometricType> biometricTypes = new ArrayList<>();
        biometricTypes.add(biometricType);

        try {
            Response<MatchDecision[]> response = iBioApiV2.match(biometricRecord, biometricRecords, biometricTypes, new HashMap<>());
            if (response != null && response.getResponse() != null)
            {
                Match decision = Objects.requireNonNull(response.getResponse()[0].getDecisions().get(biometricType)).
                        getMatch();
                if(decision.equals(Match.MATCHED)){
                    return true;
                }
            }
        } catch (Exception e) {
            Log.e("Failed in dedupe check >> ", e.getMessage());
        }
        return false;
    }