Examples of org.chaidb.db.exception.ChaiDBException

org.chaidb.db.exception.ChaiDBException
Provide the top level class representing the exception object. This class caters to the requirement of giving out a short error message, a long error message giving the details and the error code, in case of failures.
The two products, IXD and IDC would subclass this class repsectively. For IXD the XDIException would subclass from this class.

        if (orgFile.exists()) {
            orgFile.delete();
        }


        if (!tmpFile.renameTo(orgFile)) {
            throw new ChaiDBException(ErrorCode.BACKUP_FILE_COPY_ERROR, "Can't rename a temp file. The File is " + tmpFilename + ". You should rename it to " + filename + " manually.");
        }
    }

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    }


    synchronized void register(AbstractDaemonThread thread) throws ChaiDBException {
        if (threads.containsKey(thread.getName())) {
            logger.warn("There is already a daemon thead named " + thread.getName());
            throw new ChaiDBException(ErrorCode.FAILT_TO_START_DAEMONTHREAD);
        } else {
            threads.put(thread.getName(), thread);
        }
    }

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     */
    public static void load(File configFile) throws ChaiDBException {


        //check whether file exists
        if (!configFile.exists()) {
            throw new ChaiDBException(ErrorCode.PARSE_ERROR, "Config File does not exists!");
        }


        root = new ConfigTool();
        FileInputStream fis;
        try {
            fis = new FileInputStream(configFile);
        } catch (FileNotFoundException e) {
            throw new ChaiDBException(ErrorCode.PARSE_ERROR, "Config File does not exists!");
        }
        load(fis);
    }

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            InputSource inputSource = new InputSource(is);
            DOMParser parser = new DOMParser();
            parser.parse(inputSource);
            Document document = parser.getDocument();
            if (document == null) {
                throw new ChaiDBException(ErrorCode.PARSE_ERROR, "Config File is not well-formed!");
            }
            Element rootElement = document.getDocumentElement();


            root = paseXML2Element(rootElement);


        } catch (Exception ex) {
            throw new ChaiDBException(ErrorCode.PARSE_ERROR, "Config File is not well-formed!");
        } finally {
            try {
                is.close();
            } catch (IOException e) {
                throw new ChaiDBException(ErrorCode.PARSE_ERROR, "Close config file IO error!");
            }
        }
    }

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        Hashtable attributes = new Hashtable();
        try {
            attributes.put(attributeName, attributeValue);
        } catch (Exception ex) {
            throw new ChaiDBException(ErrorCode.INVALID_INPUT_PARAM, "null can't be used as input!");
        }
        return findElement(root, elementName, attributes);


    }

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        Vector parasedPath = parasePath(path);
        String pathType = (String) parasedPath.elementAt(0);


        if (pathType.equals(ConfigTool.PATH_TYPE_WRONG))
            throw new ChaiDBException(ErrorCode.PARSE_ERROR, "Path is wrong!");
        if (pathType.equals(ConfigTool.PATH_TYPE_ROOT)) return root;


        if (pathType.equals(ConfigTool.PATH_TYPE_NORMAL)) {


            ConfigTool parent = root;


            for (int i = 1; i < parasedPath.size(); i++) {


                String elementName = (String) parasedPath.elementAt(i);
                ElementSet elementSet = parent.getChildren();
                if (elementSet == null) break;
                ConfigTool child;
                for (Iterator childrenIter = elementSet.iterator(); childrenIter.hasNext();) {


                    child = (ConfigTool) childrenIter.next();
                    if (child.getName() != null && elementName.equals(child.getName())) {


                        if (i == parasedPath.size() - 1) {
                            if (elementID == null) {
                                return child;
                            }
                            if (child.getAttributes() != null && child.getAttributes().get(ELEMENT_ID) != null && ((String) child.getAttributes().get(ELEMENT_ID)).equalsIgnoreCase(elementID)) {
                                return child;
                            }
                        } else {
                            parent = child;
                            break;
                        }
                    }
                }
            }
        }
        throw new ChaiDBException(ErrorCode.INVALID_INPUT_PARAM, "No such Config was found! Input Param:path=" + path + "elementId=" + elementID);


    }

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     * vector.the rest may be deduced by analogy .
     */
    private static Vector parasePath(String path) throws ChaiDBException {


        if (path == null) {
            throw new ChaiDBException(ErrorCode.INVALID_INPUT_PARAM, "null can't used as path!");
        }
        Vector parasedPath = new Vector();
        final String SEPARATOR = "/";
        final char SEPARATOR_CHAR = '/';

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     * @return vectort whose element is string
     */
    public Enumeration getChildElementIDByChildElementName(String elementName) throws ChaiDBException {


        if (elementName == null) {
            throw new ChaiDBException(ErrorCode.INVALID_INPUT_PARAM, "null can't used as input!");
        }
        Hashtable nameAndID = getChildAllElementNamesAndID(null);
        Vector IDs = (Vector) nameAndID.get(elementName);
        if (IDs == null) {
//      throw new ChaiDBException(ErrorCode.INVALID_INPUT_PARAM,

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        if (attributes.containsKey(attributeName)) {
            attributes.remove(attributeName);
            try {
                attributes.put(attributeName, attributeNewValue);
            } catch (Exception ex) {
                throw new ChaiDBException(ErrorCode.INVALID_INPUT_PARAM, "attribute name or attribute" + " value should not be null");
            }
            return true;
        }


        throw new ChaiDBException(ErrorCode.INVALID_INPUT_PARAM, "the attribute " + attributeName + " has not existed!");




    }

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                        if (canRemoved) {
                            children.remove(child);
                            return true;
                        } else {
                            throw new ChaiDBException(ErrorCode.INVALID_INPUT_PARAM, "the " + elementName + " can't be removed!");


                        }
                    }


                }
            }
        }


        throw new ChaiDBException(ErrorCode.INVALID_INPUT_PARAM, "the config " + elementName + " has not exist!");


    }

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org.chaidb.db.api.BTree

org.chaidb.db.api.Database

org.chaidb.db.api.keys.ByteArrayKey

org.chaidb.db.api.keys.DateKey

org.chaidb.db.api.keys.FloatKey

org.chaidb.db.api.keys.IntKey

org.chaidb.db.api.keys.NodeId

org.chaidb.db.api.keys.StringKey

org.chaidb.db.DBState

org.chaidb.db.helper.AbstractXmlConfig

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