Example usage for org.hibernate LockMode READ

List of usage examples for org.hibernate LockMode READ

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Introduction

In this page you can find the example usage for org.hibernate LockMode READ.

Prototype

LockMode READ

To view the source code for org.hibernate LockMode READ.

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Document

A shared lock.

Usage

From source file:hacks.VirtuosoSybaseDialect.java

License:Open Source License

public String appendLockHint(LockMode mode, String tableName) {
    if (mode.greaterThan(LockMode.READ)) {
        return tableName + " holdlock";
    } else {//from  www .j a  v  a2  s  .  c  om
        return tableName;
    }
}

From source file:hacks.VirtuosoSybaseDialect.java

License:Open Source License

@Override
public String applyLocksToSql(String sql, Map aliasedLockModes, Map keyColumnNames) {
    Iterator itr = aliasedLockModes.entrySet().iterator();
    StringBuffer buffer = new StringBuffer(sql);
    int correction = 0;
    while (itr.hasNext()) {
        final Map.Entry entry = (Map.Entry) itr.next();
        final LockMode lockMode = (LockMode) entry.getValue();
        if (lockMode.greaterThan(LockMode.READ)) {
            final String alias = (String) entry.getKey();
            int start = -1, end = -1;
            if (sql.endsWith(" " + alias)) {
                start = (sql.length() - alias.length()) + correction;
                end = start + alias.length();
            } else {
                int position = sql.indexOf(" " + alias + " ");
                if (position <= -1) {
                    position = sql.indexOf(" " + alias + ",");
                }//from   w w w . ja  va2 s.  c  o m
                if (position > -1) {
                    start = position + correction + 1;
                    end = start + alias.length();
                }
            }

            if (start > -1) {
                final String lockHint = appendLockHint(lockMode, alias);
                buffer.replace(start, end, lockHint);
                correction += (lockHint.length() - alias.length());
            }
        }
    }
    return buffer.toString();
}

From source file:net.chrisrichardson.foodToGo.acknowledgeOrderService.hibernate.HibernateObjectAttacher.java

License:Apache License

public Object attach(Object object) {
    template.update(object);
    template.lock(object, LockMode.READ);
    return object;
}

From source file:net.kamhon.ieagle.dao.HibernateDao.java

License:Apache License

public T getReadonly(Class<T> clazz, Serializable serializablekey) {
    try {/*from   ww w  .  ja  va 2 s  .c  o  m*/
        return (T) getHibernateTemplate().get(clazz, serializablekey, LockMode.READ);
    } catch (Exception e) {
        throw new DataException(e);
    }
}

From source file:org.archiviststoolkit.dialog.AccessionLookup.java

License:Open Source License

private void initLookup() {
    try {/* ww w .  j  a  v  a  2  s .c o  m*/
        EventList eventList = new BasicEventList();
        eventList.addAll(new DomainAccessObjectImpl(Accessions.class).findAll(LockMode.READ));
        SortedList sortedItems = new SortedList(eventList);

        textFilteredIssues = new FilterList(sortedItems,
                new TextComponentMatcherEditor(filterField, new DomainFilterator()));
        lookupTableModel = new EventTableModel(textFilteredIssues, new DomainTableFormat(Accessions.class));
        lookupTable.setModel(lookupTableModel);
        TableComparatorChooser tableSorter = new TableComparatorChooser(lookupTable, sortedItems, true);
        filterField.requestFocusInWindow();
    } catch (LookupException e) {
        new ErrorDialog("", StringHelper.getStackTrace(e)).showDialog();
    }
}

From source file:org.archiviststoolkit.dialog.DigitalObjectLookup.java

License:Open Source License

private void initLookup() {
    try {/*from www. j a  v a 2s. c om*/
        eventList = new BasicEventList();

        if (parentEditorType.equals(PARENT_EDITOR_TYPE_ASSESSMENTS)) {
            eventList.addAll(new DigitalObjectDAO().findAll(LockMode.READ));
        } else if (parentEditorType.equals(PARENT_EDITOR_TYPE_RESOURCES)) {
            eventList.addAll(new DigitalObjectDAO().findAllUnlinked(LockMode.READ));
        }

        SortedList sortedItems = new SortedList(eventList);

        textFilteredIssues = new FilterList(sortedItems,
                new TextComponentMatcherEditor(filterField, new DomainFilterator()));
        lookupTableModel = new EventTableModel(textFilteredIssues, new DomainTableFormat(DigitalObjects.class));
        lookupTable.setModel(lookupTableModel);
        TableComparatorChooser tableSorter = new TableComparatorChooser(lookupTable, sortedItems, true);
        filterField.requestFocusInWindow();
    } catch (LookupException e) {
        new ErrorDialog("", StringHelper.getStackTrace(e)).showDialog();
    }
}

From source file:org.archiviststoolkit.maintenance.upgrades.UpgradeTo_1_1_24.java

License:Open Source License

protected boolean runPostDBInitializationCode() {
    try {/*from   ww  w .  j  a va  2 s .  com*/
        DomainAccessObject access = new DomainAccessObjectImpl(DefaultValues.class);
        DefaultValues defaultValue;
        DatabaseFields fieldInfo;
        for (Object o : access.findAll(LockMode.READ)) {
            defaultValue = (DefaultValues) o;
            fieldInfo = defaultValue.getAtField();
            if (fieldInfo.getDataType().equals(String.class.getName())
                    && (fieldInfo.getStringLengthLimit() == null || fieldInfo.getStringLengthLimit() == 0)) {
                defaultValue.setTextValue(defaultValue.getStringValue());
                defaultValue.setStringValue(null);
                access.update(defaultValue);
            }
        }
    } catch (PersistenceException e) {
        setErrorString(e.getMessage());
        return false;
    } catch (LookupException e) {
        setErrorString(e.getMessage());
        return false;
    }
    return true;
}

From source file:org.archiviststoolkit.maintenance.upgrades.UpgradeTo_1_7_0.java

License:Open Source License

/**
 * Run any sql and hibernate code that needs to be ran after the database has been
 * initialized by hibernate.//from www . jav  a 2s  . c  o  m
 *
 * @param conn The connection to the database
 * @return true if all the code executed fine
 */
protected boolean runPostDBInitializationSQLCode(Connection conn) {
    // first we need to set a repository id for all digital objects otherwise
    // the dont show up in hibernates list all
    String sqlString = "";
    Statement stmt;

    try {
        stmt = conn.createStatement();
        sqlString = "UPDATE DigitalObjects SET repositoryId = 1";
        stmt.execute(sqlString);
        conn.commit();
    } catch (SQLException e) {
        setErrorString(e.getMessage());
        return false;
    }

    // now use hibernate to upgrade digital objects with correct repository and identifier information
    try {
        // this access is used for finding the repository of the DO, and findind only parent DO
        DigitalObjectDAO access = new DigitalObjectDAO();
        access.getLongSession();

        DigitalObjects digitalObject;

        // set the repository for digital objects and clear out the mets ID if they
        // are duplicates
        // HashMap<String,String> metsIDs = new HashMap<String,String>();
        String metsID;

        Collection digitalObjects = access.findAll(LockMode.READ);
        totalCount = digitalObjects.size();

        // if total count is greater than 1000 then run in
        // parallel code to help dramatically speed the process up
        if (totalCount > 1000) {
            System.out.println("Updating digital object using parallel code ...");
            return updateDigitalObjectsInParallel(digitalObjects, access);
        }

        // open digital objects in long session
        digitalObjects = access.findAllLongSession(LockMode.READ);

        // update the collection
        for (Object o : digitalObjects) {
            digitalObject = (DigitalObjects) o;

            // for debug purposes print out the digital object being processed
            String progressMessage = "Updating Digital Object : " + count + " of " + totalCount + " ( ID = "
                    + digitalObject.getIdentifier() + " )";
            progress.setProgress("Updating Digital Object (ID:" + digitalObject.getIdentifier() + ")", count,
                    totalCount);
            count++;

            // get the parent resource this digital object belongs to
            ArchDescriptionDigitalInstances digitalInstance = digitalObject.getDigitalInstance();
            if (digitalInstance != null) {
                try {
                    Resources parentResource = access.findResourceByDigitalObject(digitalInstance);

                    // now update the repository
                    if (parentResource != null) {
                        setRepository(digitalObject, parentResource.getRepository());

                        // now set the parent resoure in the digital object instance to allow searching
                        // by resource for digital objects
                        digitalInstance.setParentResource(parentResource);
                    }
                } catch (Exception e) { // lets handel any errors due to orphaned digital objects
                    digitalObject.setDigitalInstance(null);

                    System.out.println(
                            "Error processing Digital Object ID = " + digitalObject.getIdentifier() + "\n");
                    e.printStackTrace();
                }
            }

            // modify the metId if is not unique
            metsID = digitalObject.getMetsIdentifier();
            if (metsID.length() != 0) {
                if (!metsIDs.containsKey(metsID)) {
                    metsIDs.put(metsID, metsID);
                } else { // key already exist so clear it out
                    digitalObject.setMetsIdentifier("");
                }
            }

            access.updateLongSession(digitalObject, false);
        }

        access.closeLongSession();
    } catch (PersistenceException e) {
        setErrorString(e.getMessage());
        return false;
    } catch (LookupException e) {
        setErrorString(e.getMessage());
        return false;
    } catch (SQLException e) {
        setErrorString(e.getMessage());
        e.printStackTrace();
        return false;
    } catch (Exception e) {
        setErrorString(e.getMessage());
        e.printStackTrace();
        return false;
    }
    return true;
}

From source file:org.archiviststoolkit.model.Constants.java

License:Open Source License

public static void loadDefaultDateFormat()
        throws PersistenceException, LookupException, WrongNumberOfConstantsRecordsException {
    DomainAccessObject access = DomainAccessObjectFactory.getInstance().getDomainAccessObject(Constants.class);
    Collection constants = access.findAll(LockMode.READ);
    if (constants.size() == 1) {
        Constants constantRecord = (Constants) constants.iterator().next();
        ApplicationFrame.applicationDateFormat = new SimpleDateFormat(constantRecord.getDefaultDateFormat());
        ApplicationFrame.applicationDateFormat.setLenient(false);
    } else {/*from w ww.j ava 2  s .co  m*/
        throw new WrongNumberOfConstantsRecordsException(constants.size() + " records");
    }
}

From source file:org.archiviststoolkit.model.Repositories.java

License:Open Source License

public static boolean loadRepositories() {
    repositoryList = new ArrayList<Repositories>();
    DomainAccessObject access = new DomainAccessObjectImpl(Repositories.class);
    try {//from  w  w  w .j  av a  2 s  . com
        for (Object o : access.findAll(LockMode.READ, "repositoryName")) {
            Repositories.addRepositoryToList((Repositories) o);
        }

    } catch (LookupException e) {
        ErrorDialog dialog = new ErrorDialog("There is a problem loading repositories.",
                StringHelper.getStackTrace(e));
        dialog.showDialog();

        e.printStackTrace();
        return false;
    }
    return true;
}