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How to use readDistinctValuesByCriteria method of org.cerberus.crud.dao.ITagSystemDAO class

Best Cerberus-source code snippet using org.cerberus.crud.dao.ITagSystemDAO.readDistinctValuesByCriteria

Source:TagSystemService.java

...126        }127        throw new CerberusException(new MessageGeneral(MessageGeneralEnum.DATA_OPERATION_ERROR));128    }129    @Override130    public AnswerList<String> readDistinctValuesByCriteria(String searchParameter, Map<String, List<String>> individualSearch, String columnName) {131        return tagSystemDAO.readDistinctValuesByCriteria(searchParameter, individualSearch, columnName);132    }133}...

readDistinctValuesByCriteria

Using AI Code Generation

1    public List<TagSystem> readDistinctValuesByCriteria(String system, String tag, String column, String sort, String searchParameter, String string) {2        List<TagSystem> result = null;3        final String query = "SELECT * FROM tag_system WHERE 1=1 ";4        StringBuilder searchSQL = new StringBuilder();5        searchSQL.append("SELECT DISTINCT ").append(column).append(" FROM tag_system WHERE 1=1 ");6        if (!StringUtil.isNullOrEmpty(system)) {7            searchSQL.append(" and system = ?");8        }9        if (!StringUtil.isNullOrEmpty(tag)) {10            searchSQL.append(" and tag = ?");11        }12        if (!StringUtil.isNullOrEmpty(searchParameter)) {13            searchSQL.append(" and ").append(column).append(" like ?");14        }15        if (!StringUtil.isNullOrEmpty(sort)) {16            searchSQL.append(" order by ").append(column).append(" ").append(sort);17        }18        try (Connection connection = this.databaseSpring.connect();19                PreparedStatement preStat = connection.prepareStatement(searchSQL.toString());) {20            int i = 1;21            if (!StringUtil.isNullOrEmpty(system)) {22                preStat.setString(i++, system);23            }24            if (!StringUtil.isNullOrEmpty(tag)) {25                preStat.setString(i++, tag);26            }27            if (!StringUtil.isNullOrEmpty(searchParameter)) {28                preStat.setString(i++, searchParameter);29            }30            try (ResultSet resultSet = preStat.executeQuery();) {31                result = this.loadDistinctValuesFromResultSet(resultSet, column);32            }33        } catch (SQLException exception) {34            LOG.error("Unable to execute query : " + query, exception);35            MyLogger.log(TagSystemDAO.class.getName(), Level.ERROR, exception.toString());36        }37        return result;38    }39    private List<TagSystem> loadDistinctValuesFromResultSet(ResultSet resultSet, String column) throws SQLException {40        List<TagSystem> result = new ArrayList<>();41        try {42            while (resultSet.next()) {43                TagSystem tagSystem = new TagSystem();44                tagSystem.setColumn(column);45                if (column.equals("system")) {46                    tagSystem.setSystem(resultSet.getString("system"));47                }48                if (column.equals("tag")) {49                    tagSystem.setTag(resultSet.getString("tag"));50                }51                result.add(tagSystem);52            }53        } catch (SQLException exception) {54            LOG.warn("Unable to load tag from ResultSet", exception);55        }56        return result;57    }58}

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