Examples with GraphMapping org.jaffa.beans.moulding.mapping.GraphMapping used on opensource projects

Example 1 with GraphMapping

use of org.jaffa.beans.moulding.mapping.GraphMapping in project jaffa-framework by jaffa-projects.

the class BeanMoulder method deleteBean.

/**
 * Take a source object and delete it or delete is children if it has any
 * @param path The path of this object being processed. This identifies possible parent
 * and/or indexed entries where this object is contained.
 * @param source Source object to mould from, typically a DomainDAO
 * @param uow Transaction handle all creates/update will be performed within.
 * Throws an exception if null.
 * @param handler Possible bean handler to be used when processing this source object graph
 * @throws ApplicationExceptions Thrown if one or more application logic errors are generated during moulding
 * @throws FrameworkException Thrown if any runtime moulding error has occured.
 */
public static void deleteBean(String path, DomainDAO source, UOW uow, MouldHandler handler) throws ApplicationExceptions, FrameworkException {
    log.debug("Delete Bean " + path);
    // Call custom validation code in the DAO
    source.validate();
    ApplicationExceptions aes = new ApplicationExceptions();
    if (uow == null) {
        String err = "UOW Required";
        log.error(err);
        throw new RuntimeException(err);
    }
    try {
        IPersistent domainObject = null;
        GraphMapping mapping = MappingFactory.getInstance(source);
        Map keys = new LinkedHashMap();
        Class doClass = mapping.getDomainClass();
        // Get the key fields used in the domain object
        boolean gotKeys = fillInKeys(path, source, mapping, keys);
        // read DO based on key
        if (gotKeys) {
            // get the method on the DO to read via PK
            Method[] ma = doClass.getMethods();
            Method findByPK = null;
            for (int i = 0; i < ma.length; i++) {
                if (ma[i].getName().equals("findByPK")) {
                    if (ma[i].getParameterTypes().length == (keys.size() + 1) && (ma[i].getParameterTypes())[0] == UOW.class) {
                        // Found with name and correct no. of input params
                        findByPK = ma[i];
                        break;
                    }
                }
            }
            if (findByPK == null) {
                aes.add(new DomainObjectNotFoundException(doClass.getName()));
                throw aes;
            }
            // Build input array
            Object[] inputs = new Object[keys.size() + 1];
            {
                inputs[0] = uow;
                int i = 1;
                for (Iterator it = keys.values().iterator(); it.hasNext(); i++) {
                    inputs[i] = it.next();
                }
            }
            // Find Object based on key
            domainObject = (IPersistent) findByPK.invoke(null, inputs);
        } else
            log.debug("Object " + path + " has either missing or null key values - Assume Create is needed");
        // Error if DO not found
        if (domainObject == null) {
            String label = doClass.getName();
            // Try and use meta data to get domain objects label
            try {
                label = PersistentHelper.getLabelToken(doClass.getName());
            } catch (Exception e) {
            // ignore any problem trying to get the label!
            }
            aes.add(new DomainObjectNotFoundException(label + " (path=" + path + ")"));
            throw aes;
        }
        // Process the delete, either on this DO, or a related DO if there is one
        deleteBeanData(path, source, uow, handler, mapping, domainObject);
    } catch (IllegalAccessException e) {
        MouldException me = new MouldException(MouldException.ACCESS_ERROR, path, e.getMessage());
        log.error(me.getLocalizedMessage(), e);
        throw me;
    } catch (InvocationTargetException e) {
        if (e.getCause() != null) {
            if (e.getCause() instanceof FrameworkException)
                throw (FrameworkException) e.getCause();
            if (e.getCause() instanceof ApplicationExceptions)
                throw (ApplicationExceptions) e.getCause();
            if (e.getCause() instanceof ApplicationException) {
                aes.add((ApplicationException) e.getCause());
                throw aes;
            }
        }
        MouldException me = new MouldException(MouldException.INVOCATION_ERROR, path, e);
        log.error(me.getLocalizedMessage(), me.getCause());
        throw me;
    } catch (InstantiationException e) {
        MouldException me = new MouldException(MouldException.INSTANTICATION_ERROR, path, e.getMessage());
        log.error(me.getLocalizedMessage(), e);
        throw me;
    }
// } catch (Exception e) {
// throw handleException(e,aes);
// }
}

Example 2 with GraphMapping

use of org.jaffa.beans.moulding.mapping.GraphMapping in project jaffa-framework by jaffa-projects.

the class BeanMoulder method deleteChildBean.

/**
 *  Take a source object and try and mold it back it its domain object.
 *  This is the same as updateParent, except from the way it retrieved the
 *  record, and the way it creates a new record.
 */
private static void deleteChildBean(String path, DomainDAO source, UOW uow, MouldHandler handler, IPersistent parentDomain, GraphMapping parentMapping, String parentField) throws ApplicationExceptions, FrameworkException {
    log.debug("Delete Child Bean " + path);
    // Call custom validation code in the DAO
    source.validate();
    ApplicationExceptions aes = new ApplicationExceptions();
    if (uow == null) {
        String err = "UOW Required";
        log.error(err);
        throw new RuntimeException(err);
    }
    String relationshipName = parentMapping.getDomainFieldName(parentField);
    if (relationshipName.endsWith("Array"))
        relationshipName = relationshipName.substring(0, relationshipName.length() - 5);
    if (relationshipName.endsWith("Object"))
        relationshipName = relationshipName.substring(0, relationshipName.length() - 6);
    try {
        IPersistent domainObject = null;
        GraphMapping mapping = MappingFactory.getInstance(source);
        Map keys = new LinkedHashMap();
        Class doClass = mapping.getDomainClass();
        boolean gotKeys = false;
        if (mapping.getKeyFields() == null || mapping.getKeyFields().size() == 0) {
            // No keys, must be one-to-one
            log.debug("Find 'one-to-one' object - " + path);
            // Just use the getXxxObject method to get the related domain object,
            // if there is one...
            domainObject = (IPersistent) getProperty(parentMapping.getDomainFieldDescriptor(parentField), parentDomain);
            if (domainObject == null)
                log.debug("Not Found - " + path);
        } else {
            // Get the key fields used in the domain object. Use the findXxxxxCriteria() method,
            // then add the extra fields to the criteria object, to get the unique record.
            gotKeys = fillInKeys(path, source, mapping, keys);
            // read DO based on key
            if (gotKeys) {
                // get the method to get the PK criteria (i.e. public Criteria findVendorSiteCriteria(); )
                Method findCriteria = null;
                String methodName = "find" + StringHelper.getUpper1(relationshipName) + "Criteria";
                try {
                    findCriteria = parentDomain.getClass().getMethod(methodName, new Class[] {});
                } catch (NoSuchMethodException e) {
                    log.error("Find method '" + methodName + "' not found!");
                }
                if (findCriteria == null)
                    throw new MouldException(MouldException.METHOD_NOT_FOUND, path, methodName);
                // Find Criteria For Related Object
                Criteria criteria = (Criteria) findCriteria.invoke(parentDomain, new Object[] {});
                // Add extra key info...
                for (Iterator it = keys.keySet().iterator(); it.hasNext(); ) {
                    String keyField = (String) it.next();
                    Object value = keys.get(keyField);
                    keyField = StringHelper.getUpper1(mapping.getDomainFieldName(keyField));
                    criteria.addCriteria(keyField, value);
                    log.debug(path + "- Add to criteria:" + keyField + "=" + value);
                }
                // See if we get an object :-)
                Iterator itr = uow.query(criteria).iterator();
                if (itr.hasNext())
                    domainObject = (IPersistent) itr.next();
                if (itr.hasNext()) {
                    // Error, multiple objects found
                    MultipleDomainObjectsFoundException m = new MultipleDomainObjectsFoundException(criteria.getTable() + " @ " + path);
                    aes.add(m);
                    throw aes;
                }
            }
        }
        // Error if DO not found
        if (domainObject == null) {
            aes.add(new DomainObjectNotFoundException(doClass.getName() + " @ " + path));
            throw aes;
        }
        // Process the delete, either on this DO, or a related DO if there is one
        deleteBeanData(path, source, uow, handler, mapping, domainObject);
    } catch (IllegalAccessException e) {
        MouldException me = new MouldException(MouldException.ACCESS_ERROR, path, e.getMessage());
        log.error(me.getLocalizedMessage(), e);
        throw me;
    } catch (InvocationTargetException e) {
        if (e.getCause() != null) {
            if (e.getCause() instanceof FrameworkException)
                throw (FrameworkException) e.getCause();
            if (e.getCause() instanceof ApplicationExceptions)
                throw (ApplicationExceptions) e.getCause();
            if (e.getCause() instanceof ApplicationException) {
                aes.add((ApplicationException) e.getCause());
                throw aes;
            }
        }
        MouldException me = new MouldException(MouldException.INVOCATION_ERROR, path, e);
        log.error(me.getLocalizedMessage(), me.getCause());
        throw me;
    } catch (InstantiationException e) {
        MouldException me = new MouldException(MouldException.INSTANTICATION_ERROR, path, e.getMessage());
        log.error(me.getLocalizedMessage(), e);
        throw me;
    }
}

Example 3 with GraphMapping

use of org.jaffa.beans.moulding.mapping.GraphMapping in project jaffa-framework by jaffa-projects.

the class BeanMoulder method updateBean.

/**
 * Take a source object and try and mold it back it its domain object
 * @param path The path of this object being processed. This identifies possible parent
 * and/or indexed entries where this object is contained.
 * @param source Source object to mould from, typically a DomainDAO
 * @param uow Transaction handle all creates/update will be performed within.
 * Throws an exception if null.
 * @param handler Possible bean handler to be used when processing this source object graph
 * @throws ApplicationExceptions Thrown if one or more application logic errors are generated during moulding
 * @throws FrameworkException Thrown if any runtime moulding error has occured.
 */
public static void updateBean(String path, DomainDAO source, UOW uow, MouldHandler handler) throws ApplicationExceptions, FrameworkException {
    log.debug("Update Bean " + path);
    // Call custom validation code in the DAO
    source.validate();
    ApplicationExceptions aes = new ApplicationExceptions();
    if (uow == null) {
        String err = "UOW Required";
        log.error(err);
        throw new RuntimeException(err);
    }
    try {
        IPersistent domainObject = null;
        GraphMapping mapping = MappingFactory.getInstance(source);
        Map keys = new LinkedHashMap();
        Class doClass = mapping.getDomainClass();
        // Get the key fields used in the domain object
        boolean gotKeys = fillInKeys(path, source, mapping, keys);
        // read DO based on key
        if (gotKeys) {
            // get the method on the DO to read via PK
            Method[] ma = doClass.getMethods();
            Method findByPK = null;
            for (int i = 0; i < ma.length; i++) {
                if (ma[i].getName().equals("findByPK")) {
                    if (ma[i].getParameterTypes().length == (keys.size() + 1) && (ma[i].getParameterTypes())[0] == UOW.class) {
                        // Found with name and correct no. of input params
                        findByPK = ma[i];
                        break;
                    }
                }
            }
            if (findByPK == null) {
                aes.add(new DomainObjectNotFoundException(doClass.getName() + " @ " + path));
                throw aes;
            }
            // Build input array
            Object[] inputs = new Object[keys.size() + 1];
            {
                inputs[0] = uow;
                int i = 1;
                for (Iterator it = keys.values().iterator(); it.hasNext(); i++) {
                    inputs[i] = it.next();
                }
            }
            // Find Object based on key
            domainObject = (IPersistent) findByPK.invoke(null, inputs);
        } else
            log.debug("Object " + path + " has either missing or null key values - Assume Create is needed");
        // Create object if not found
        if (domainObject == null) {
            // NEW OBJECT, create and reflect keys
            log.debug("DO '" + mapping.getDomainClassShortName() + "' not found with key, create a new one...");
            domainObject = (IPersistent) doClass.newInstance();
            // set the key fields
            for (Iterator it = keys.keySet().iterator(); it.hasNext(); ) {
                String keyField = (String) it.next();
                Object value = keys.get(keyField);
                updateProperty(mapping.getDomainFieldDescriptor(keyField), value, domainObject);
            }
        } else {
            log.debug("Found DO '" + mapping.getDomainClassShortName() + "' with key,");
        }
        // Now update all domain fields
        updateBeanData(path, source, uow, handler, mapping, domainObject);
    } catch (IllegalAccessException e) {
        MouldException me = new MouldException(MouldException.ACCESS_ERROR, path, e.getMessage());
        log.error(me.getLocalizedMessage(), e);
        throw me;
    } catch (InvocationTargetException e) {
        if (e.getCause() != null) {
            if (e.getCause() instanceof FrameworkException)
                throw (FrameworkException) e.getCause();
            if (e.getCause() instanceof ApplicationExceptions)
                throw (ApplicationExceptions) e.getCause();
            if (e.getCause() instanceof ApplicationException) {
                aes.add((ApplicationException) e.getCause());
                throw aes;
            }
        }
        MouldException me = new MouldException(MouldException.INVOCATION_ERROR, path, e);
        log.error(me.getLocalizedMessage(), me.getCause());
        throw me;
    } catch (InstantiationException e) {
        MouldException me = new MouldException(MouldException.INSTANTICATION_ERROR, path, e.getMessage());
        log.error(me.getLocalizedMessage(), e);
        throw me;
    }
}

Example 4 with GraphMapping

use of org.jaffa.beans.moulding.mapping.GraphMapping in project jaffa-framework by jaffa-projects.

the class BeanMoulder method updateBeanData.

private static void updateBeanData(String path, DomainDAO source, UOW uow, MouldHandler handler, GraphMapping mapping, IPersistent domainObject) throws InstantiationException, IllegalAccessException, InvocationTargetException, ApplicationExceptions, FrameworkException {
    try {
        // Fire 'startBean' handler
        if (handler != null)
            handler.startBean(path, source, domainObject);
        // Reflect all normal fields
        for (Iterator it = mapping.getFields().iterator(); it.hasNext(); ) {
            String field = (String) it.next();
            if (source.hasChanged(field)) {
                Object value = getProperty(mapping.getDataFieldDescriptor(field), source);
                // if(value!=null)
                updateProperty(mapping.getDomainFieldDescriptor(field), value, domainObject);
            }
        }
        // Reflect any foreign keys
        for (Iterator it = mapping.getForeignFields().iterator(); it.hasNext(); ) {
            String field = (String) it.next();
            if (source.hasChanged(field)) {
                Object value = getProperty(mapping.getDataFieldDescriptor(field), source);
                if (value != null) {
                    // need to map foreign keys back
                    List targetKeys = mapping.getForeignKeys(field);
                    GraphMapping fMapping = MappingFactory.getInstance(mapping.getDataFieldDescriptor(field).getPropertyType());
                    Set sourceKeys = fMapping.getKeyFields();
                    int i = 0;
                    for (Iterator i2 = sourceKeys.iterator(); i2.hasNext(); i++) {
                        String sourceFld = (String) i2.next();
                        String targetFld = (String) targetKeys.get(i);
                        log.debug("Copy Foreign Key Field from " + sourceFld + " to " + targetFld);
                        Object value2 = getProperty(fMapping.getDataFieldDescriptor(sourceFld), value);
                        updateProperty(mapping.getRealDomainFieldDescriptor(targetFld), value2, domainObject);
                    }
                }
            }
        }
        // Store Record
        if (domainObject.isDatabaseOccurence()) {
            log.debug("UOW.Update Domain Object");
            // Fire 'startBeanUpdate' handler
            if (handler != null)
                handler.startBeanUpdate(path, source, domainObject);
            uow.update(domainObject);
            // Fire 'endBeanUpdate' handler
            if (handler != null)
                handler.endBeanUpdate(path, source, domainObject);
        } else {
            log.debug("UOW.Add Domain Object");
            // Fire 'startBeanAdd' handler
            if (handler != null)
                handler.startBeanAdd(path, source, domainObject);
            uow.add(domainObject);
            // Fire 'endBeanAdd' handler
            if (handler != null)
                handler.endBeanAdd(path, source, domainObject);
        }
        // Reflect any related objects
        for (Iterator it = mapping.getRelatedFields().iterator(); it.hasNext(); ) {
            String field = (String) it.next();
            if (source.hasChanged(field)) {
                // Only do the update if the source object was updated!
                Object value = getProperty(mapping.getDataFieldDescriptor(field), source);
                if (value != null) {
                    if (value.getClass().isArray()) {
                        // The related field is an array of objects (one-to-many)
                        Object[] values = (Object[]) value;
                        for (int i = 0; i < values.length; i++) {
                            // Assumes its a DAO....what else could it be?
                            DomainDAO dao = (DomainDAO) values[i];
                            if (dao != null) {
                                updateChildBean(path + "." + field + "[" + i + "]", dao, uow, handler, domainObject, mapping, field);
                            }
                        }
                    } else {
                        // Or a single Object (one-to-one)
                        // Assumes its a DAO....what else could it be?
                        DomainDAO dao = (DomainDAO) value;
                        updateChildBean(path + "." + field, dao, uow, handler, domainObject, mapping, field);
                    }
                }
            }
        }
        // Fire 'endBean' handler
        if (handler != null)
            handler.endBean(path, source, domainObject);
    } catch (ApplicationException e) {
        ApplicationExceptions aes = new ApplicationExceptions();
        aes.add(e);
        throw aes;
    }
}

Example 5 with GraphMapping

use of org.jaffa.beans.moulding.mapping.GraphMapping in project jaffa-framework by jaffa-projects.

the class BeanMoulder method updateChildBean.

/**
 *  Take a source object and try and mold it back it its domain object.
 *  This is the same as updateParent, except from the way it retrieved the
 *  record, and the way it creates a new record.
 */
private static void updateChildBean(String path, DomainDAO source, UOW uow, MouldHandler handler, IPersistent parentDomain, GraphMapping parentMapping, String parentField) throws ApplicationExceptions, FrameworkException {
    log.debug("Update Child Bean " + path);
    // Call custom validation code in the DAO
    source.validate();
    ApplicationExceptions aes = new ApplicationExceptions();
    if (uow == null) {
        String err = "UOW Required";
        log.error(err);
        throw new RuntimeException(err);
    }
    String relationshipName = parentMapping.getDomainFieldName(parentField);
    if (relationshipName.endsWith("Array"))
        relationshipName = relationshipName.substring(0, relationshipName.length() - 5);
    if (relationshipName.endsWith("Object"))
        relationshipName = relationshipName.substring(0, relationshipName.length() - 6);
    try {
        IPersistent domainObject = null;
        GraphMapping mapping = MappingFactory.getInstance(source);
        Map keys = new LinkedHashMap();
        Class doClass = mapping.getDomainClass();
        boolean gotKeys = false;
        if (mapping.getKeyFields() == null || mapping.getKeyFields().size() == 0) {
            // No keys, must be one-to-one
            log.debug("Find 'one-to-one' object - " + path);
            // Just use the getXxxObject method to get the related domain object,
            // if there is one...
            domainObject = (IPersistent) getProperty(parentMapping.getDomainFieldDescriptor(parentField), parentDomain);
            if (domainObject == null)
                log.debug("Not Found - " + path);
        } else {
            // Get the key fields used in the domain object. Use the findXxxxxCriteria() method,
            // then add the extra fields to the criteria object, to get the unique record.
            gotKeys = fillInKeys(path, source, mapping, keys);
            // read DO based on key
            if (gotKeys) {
                // get the method to get the PK criteria (i.e. public Criteria findVendorSiteCriteria(); )
                Method findCriteria = null;
                String methodName = "find" + StringHelper.getUpper1(relationshipName) + "Criteria";
                try {
                    findCriteria = parentDomain.getClass().getMethod(methodName, new Class[] {});
                } catch (NoSuchMethodException e) {
                    log.error("Find method '" + methodName + "' not found!");
                }
                if (findCriteria == null) {
                    throw new MouldException(MouldException.METHOD_NOT_FOUND, path, methodName);
                }
                // Find Criteria For Related Object
                Criteria criteria = (Criteria) findCriteria.invoke(parentDomain, new Object[] {});
                // Add extra key info...
                for (Iterator it = keys.keySet().iterator(); it.hasNext(); ) {
                    String keyField = (String) it.next();
                    Object value = keys.get(keyField);
                    keyField = StringHelper.getUpper1(mapping.getDomainFieldName(keyField));
                    criteria.addCriteria(keyField, value);
                    log.debug(path + "- Add to criteria:" + keyField + "=" + value);
                }
                // See if we get an object :-)
                Iterator itr = uow.query(criteria).iterator();
                if (itr.hasNext())
                    domainObject = (IPersistent) itr.next();
                if (itr.hasNext()) {
                    // Error, multiple objects found
                    MultipleDomainObjectsFoundException m = new MultipleDomainObjectsFoundException(criteria.getTable() + " @ " + path);
                    aes.add(m);
                    throw aes;
                }
            } else {
                log.debug("Object " + path + " has either missing or null key values - Assume Create is needed");
            }
        }
        // Create object if not found
        if (domainObject == null) {
            // NEW OBJECT, create and reflect keys
            log.debug("DO '" + mapping.getDomainClassShortName() + "' not found with key, create a new one...");
            // find method on parent used to create object
            Method newObject = null;
            String methodName = "new" + StringHelper.getUpper1(relationshipName) + "Object";
            try {
                newObject = parentDomain.getClass().getMethod(methodName, new Class[] {});
            } catch (NoSuchMethodException e) {
                log.error("Method '" + methodName + "()' not found!");
            }
            if (newObject == null)
                throw new MouldException(MouldException.METHOD_NOT_FOUND, path, methodName);
            // Call method to create object
            domainObject = (IPersistent) newObject.invoke(parentDomain, new Object[] {});
            // Set the key fields
            for (Iterator it = keys.keySet().iterator(); it.hasNext(); ) {
                String keyField = (String) it.next();
                Object value = keys.get(keyField);
                updateProperty(mapping.getDomainFieldDescriptor(keyField), value, domainObject);
            }
        } else {
            log.debug("Found DO '" + mapping.getDomainClassShortName() + "' with key,");
        }
        // Now update all domain fields
        updateBeanData(path, source, uow, handler, mapping, domainObject);
    } catch (IllegalAccessException e) {
        MouldException me = new MouldException(MouldException.ACCESS_ERROR, path, e.getMessage());
        log.error(me.getLocalizedMessage(), e);
        throw me;
    } catch (InvocationTargetException e) {
        if (e.getCause() != null) {
            if (e.getCause() instanceof FrameworkException)
                throw (FrameworkException) e.getCause();
            if (e.getCause() instanceof ApplicationExceptions)
                throw (ApplicationExceptions) e.getCause();
            if (e.getCause() instanceof ApplicationException) {
                aes.add((ApplicationException) e.getCause());
                throw aes;
            }
        }
        MouldException me = new MouldException(MouldException.INVOCATION_ERROR, path, e);
        log.error(me.getLocalizedMessage(), me.getCause());
        throw me;
    } catch (InstantiationException e) {
        MouldException me = new MouldException(MouldException.INSTANTICATION_ERROR, path, e.getMessage());
        log.error(me.getLocalizedMessage(), e);
        throw me;
    }
}