org.bedework.carddav.server.dirHandlers.db

Class HibSessionImpl

java.lang.Object

org.bedework.carddav.server.dirHandlers.db.HibSessionImpl

All Implemented Interfaces:

Serializable, HibSession

public class HibSessionImpl
extends Object
implements HibSession

Convenience class to do the actual hibernate interaction. Intended for one use only.

Author:

Mike Douglass douglm rpi.edu

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
HibSessionImpl()

Method Summary

Modifier and Type	Method and Description
void	beginTransaction() Begin a transaction
void	cacheableQuery() Mark the query as cacheable
void	clear() Clear a session
void	close()
void	commit() Commit a transaction
org.hibernate.Criteria	createCriteria(Class cl) Create a Criteria ready for the additon of Criterion.
void	createNoFlushQuery(String s) Create a query ready for parameter replacement or execution and flag it for no flush.
void	createQuery(String s) Create a query ready for parameter replacement or execution.
void	createSQLQuery(String s, String returnAlias, Class returnClass) Create a sql query ready for parameter replacement or execution.
void	delete(Object obj) Delete an object
void	disconnect() Disconnect a session
void	evict(Object val) Evict an object from the session.
int	executeUpdate()
void	flush()
Object	get(Class cl, int id) Return an object of the given class with the given id if it is already associated with this session.
Object	get(Class cl, Serializable id) Return an object of the given class with the given id if it is already associated with this session.
List	getList() Return a list resulting from the query.
protected org.apache.log4j.Logger	getLogger()
String	getQueryString()
org.hibernate.Session	getSession()
Object	getUnique() Return the single object resulting from the query.
void	init(org.hibernate.SessionFactory sessFactory, org.apache.log4j.Logger log) Set up for a hibernate interaction.
boolean	isOpen()
void	lockRead(Object o)
void	lockUpdate(Object o)
Object	merge(Object obj) Merge and update an object which may have been loaded in a previous hibernate session
void	namedQuery(String name) Create a named query ready for parameter replacement or execution.
void	reAttach(UnversionedDbentity<?> val)
void	restore(Object obj) Save a new object with the given id.
void	rollback() Rollback a transaction
boolean	rolledback() Did we rollback the transaction?
void	save(Object obj) Save a new object.
void	saveOrUpdate(Object obj) Save a new object or update an object which may have been loaded in a previous hibernate session
Object	saveOrUpdateCopy(Object obj) Copy the state of the given object onto the persistent object with the same identifier.
void	setBool(String parName, boolean parVal) Set the named parameter with the given value
void	setDate(String parName, Date parVal) Set the named parameter with the given value
void	setEntity(String parName, Object parVal) Set the named parameter with the given value
void	setFirstResult(int val) Set the first result for a paged batch
void	setFlushMode(org.hibernate.FlushMode val) set the flushmode
void	setInt(String parName, int parVal) Set the named parameter with the given value
void	setLong(String parName, long parVal) Set the named parameter with the given value
void	setMaxResults(int val) Set the max number of results for a paged batch
void	setParameter(String parName, Object parVal) Set the named parameter with the given value
void	setParameterList(String parName, Collection parVal) Set the named parameter with the given Collection
void	setString(String parName, String parVal) Set the named parameter with the given value
boolean	transactionStarted() Return true if we have a transaction started
void	update(Object obj) Update an object which may have been loaded in a previous hibernate session

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HibSessionImpl

public HibSessionImpl()

Method Detail

init

public void init(org.hibernate.SessionFactory sessFactory,
                 org.apache.log4j.Logger log)
          throws org.bedework.webdav.servlet.shared.WebdavException

Set up for a hibernate interaction. Throw the object away on exception.

Specified by:

init in interface HibSession

Parameters:

sessFactory -

log -

Throws:

org.bedework.webdav.servlet.shared.WebdavException

getSession

public org.hibernate.Session getSession()
                                 throws org.bedework.webdav.servlet.shared.WebdavException

Specified by:

getSession in interface HibSession

Returns:

Session

Throws:

org.bedework.webdav.servlet.shared.WebdavException

isOpen

public boolean isOpen()
               throws org.bedework.webdav.servlet.shared.WebdavException

Specified by:

isOpen in interface HibSession

Returns:

boolean true if open

Throws:

org.bedework.webdav.servlet.shared.WebdavException

clear

public void clear()
           throws org.bedework.webdav.servlet.shared.WebdavException

Clear a session

Specified by:

clear in interface HibSession

Throws:

org.bedework.webdav.servlet.shared.WebdavException

disconnect

public void disconnect()
                throws org.bedework.webdav.servlet.shared.WebdavException

Disconnect a session

Specified by:

disconnect in interface HibSession

Throws:

org.bedework.webdav.servlet.shared.WebdavException

setFlushMode

public void setFlushMode(org.hibernate.FlushMode val)
                  throws org.bedework.webdav.servlet.shared.WebdavException

set the flushmode

Specified by:

setFlushMode in interface HibSession

Parameters:

val -

Throws:

org.bedework.webdav.servlet.shared.WebdavException

beginTransaction

public void beginTransaction()
                      throws org.bedework.webdav.servlet.shared.WebdavException

Begin a transaction

Specified by:

beginTransaction in interface HibSession

Throws:

org.bedework.webdav.servlet.shared.WebdavException

transactionStarted

public boolean transactionStarted()

Return true if we have a transaction started

Specified by:

transactionStarted in interface HibSession

Returns:

boolean

commit

public void commit()
            throws org.bedework.webdav.servlet.shared.WebdavException

Commit a transaction

Specified by:

commit in interface HibSession

Throws:

org.bedework.webdav.servlet.shared.WebdavException

rollback

public void rollback()
              throws org.bedework.webdav.servlet.shared.WebdavException

Rollback a transaction

Specified by:

rollback in interface HibSession

Throws:

org.bedework.webdav.servlet.shared.WebdavException

rolledback

public boolean rolledback()
                   throws org.bedework.webdav.servlet.shared.WebdavException

Description copied from interface: HibSession

Did we rollback the transaction?

Specified by:

rolledback in interface HibSession

Returns:

boolean

Throws:

org.bedework.webdav.servlet.shared.WebdavException

createCriteria

public org.hibernate.Criteria createCriteria(Class cl)
                                      throws org.bedework.webdav.servlet.shared.WebdavException

Create a Criteria ready for the additon of Criterion.

Specified by:

createCriteria in interface HibSession

Parameters:

cl - Class for criteria

Returns:

Criteria created Criteria

Throws:

org.bedework.webdav.servlet.shared.WebdavException

evict

public void evict(Object val)
           throws org.bedework.webdav.servlet.shared.WebdavException

Description copied from interface: HibSession

Evict an object from the session.

Specified by:

evict in interface HibSession

Parameters:

val - Object to evict

Throws:

org.bedework.webdav.servlet.shared.WebdavException

createQuery

public void createQuery(String s)
                 throws org.bedework.webdav.servlet.shared.WebdavException

Description copied from interface: HibSession

Create a query ready for parameter replacement or execution.

Specified by:

createQuery in interface HibSession

Parameters:

s - String hibernate query

Throws:

org.bedework.webdav.servlet.shared.WebdavException

createNoFlushQuery

public void createNoFlushQuery(String s)
                        throws org.bedework.webdav.servlet.shared.WebdavException

Description copied from interface: HibSession

Create a query ready for parameter replacement or execution and flag it for no flush. This assumes that any queued changes will not affect the result of the query.

Specified by:

createNoFlushQuery in interface HibSession

Parameters:

s - String hibernate query

Throws:

org.bedework.webdav.servlet.shared.WebdavException

getQueryString

public String getQueryString()
                      throws org.bedework.webdav.servlet.shared.WebdavException

Specified by:

getQueryString in interface HibSession

Returns:

query string

Throws:

org.bedework.webdav.servlet.shared.WebdavException

createSQLQuery

public void createSQLQuery(String s,
                           String returnAlias,
                           Class returnClass)
                    throws org.bedework.webdav.servlet.shared.WebdavException

Create a sql query ready for parameter replacement or execution.

Specified by:

createSQLQuery in interface HibSession

Parameters:

s - String hibernate query

returnAlias -

returnClass -

Throws:

org.bedework.webdav.servlet.shared.WebdavException

namedQuery

public void namedQuery(String name)
                throws org.bedework.webdav.servlet.shared.WebdavException

Create a named query ready for parameter replacement or execution.

Specified by:

namedQuery in interface HibSession

Parameters:

name - String named query name

Throws:

org.bedework.webdav.servlet.shared.WebdavException

cacheableQuery

public void cacheableQuery()
                    throws org.bedework.webdav.servlet.shared.WebdavException

Mark the query as cacheable

Specified by:

cacheableQuery in interface HibSession

Throws:

org.bedework.webdav.servlet.shared.WebdavException

setString

public void setString(String parName,
                      String parVal)
               throws org.bedework.webdav.servlet.shared.WebdavException

Set the named parameter with the given value

Specified by:

setString in interface HibSession

Parameters:

parName - String parameter name

parVal - String parameter value

Throws:

org.bedework.webdav.servlet.shared.WebdavException

setDate

public void setDate(String parName,
                    Date parVal)
             throws org.bedework.webdav.servlet.shared.WebdavException

Set the named parameter with the given value

Specified by:

setDate in interface HibSession

Parameters:

parName - String parameter name

parVal - Date parameter value

Throws:

org.bedework.webdav.servlet.shared.WebdavException

setBool

public void setBool(String parName,
                    boolean parVal)
             throws org.bedework.webdav.servlet.shared.WebdavException

Set the named parameter with the given value

Specified by:

setBool in interface HibSession

Parameters:

parName - String parameter name

parVal - boolean parameter value

Throws:

org.bedework.webdav.servlet.shared.WebdavException

setInt

public void setInt(String parName,
                   int parVal)
            throws org.bedework.webdav.servlet.shared.WebdavException

Set the named parameter with the given value

Specified by:

setInt in interface HibSession

Parameters:

parName - String parameter name

parVal - int parameter value

Throws:

org.bedework.webdav.servlet.shared.WebdavException

setLong

public void setLong(String parName,
                    long parVal)
             throws org.bedework.webdav.servlet.shared.WebdavException

Set the named parameter with the given value

Specified by:

setLong in interface HibSession

Parameters:

parName - String parameter name

parVal - long parameter value

Throws:

org.bedework.webdav.servlet.shared.WebdavException

setEntity

public void setEntity(String parName,
                      Object parVal)
               throws org.bedework.webdav.servlet.shared.WebdavException

Set the named parameter with the given value

Specified by:

setEntity in interface HibSession

Parameters:

parName - String parameter name

parVal - Object parameter value

Throws:

org.bedework.webdav.servlet.shared.WebdavException

setParameter

public void setParameter(String parName,
                         Object parVal)
                  throws org.bedework.webdav.servlet.shared.WebdavException

Description copied from interface: HibSession

Set the named parameter with the given value

Specified by:

setParameter in interface HibSession

Parameters:

parName - String parameter name

parVal - Object parameter value

Throws:

org.bedework.webdav.servlet.shared.WebdavException

setParameterList

public void setParameterList(String parName,
                             Collection parVal)
                      throws org.bedework.webdav.servlet.shared.WebdavException

Description copied from interface: HibSession

Set the named parameter with the given Collection

Specified by:

setParameterList in interface HibSession

Parameters:

parName - String parameter name

parVal - Collection parameter value

Throws:

org.bedework.webdav.servlet.shared.WebdavException

setFirstResult

public void setFirstResult(int val)
                    throws org.bedework.webdav.servlet.shared.WebdavException

Description copied from interface: HibSession

Set the first result for a paged batch

Specified by:

setFirstResult in interface HibSession

Parameters:

val - int first index

Throws:

org.bedework.webdav.servlet.shared.WebdavException

setMaxResults

public void setMaxResults(int val)
                   throws org.bedework.webdav.servlet.shared.WebdavException

Description copied from interface: HibSession

Set the max number of results for a paged batch

Specified by:

setMaxResults in interface HibSession

Parameters:

val - int max number

Throws:

org.bedework.webdav.servlet.shared.WebdavException

getUnique

public Object getUnique()
                 throws org.bedework.webdav.servlet.shared.WebdavException

Description copied from interface: HibSession

Return the single object resulting from the query.

Specified by:

getUnique in interface HibSession

Returns:

Object retrieved object or null

Throws:

org.bedework.webdav.servlet.shared.WebdavException

getList

public List getList()
             throws org.bedework.webdav.servlet.shared.WebdavException

Return a list resulting from the query.

Specified by:

getList in interface HibSession

Returns:

List list from query

Throws:

org.bedework.webdav.servlet.shared.WebdavException

executeUpdate

public int executeUpdate()
                  throws org.bedework.webdav.servlet.shared.WebdavException

Specified by:

executeUpdate in interface HibSession

Returns:

int number updated

Throws:

org.bedework.webdav.servlet.shared.WebdavException

update

public void update(Object obj)
            throws org.bedework.webdav.servlet.shared.WebdavException

Update an object which may have been loaded in a previous hibernate session

Specified by:

update in interface HibSession

Parameters:

obj -

Throws:

org.bedework.webdav.servlet.shared.WebdavException

merge

public Object merge(Object obj)
             throws org.bedework.webdav.servlet.shared.WebdavException

Merge and update an object which may have been loaded in a previous hibernate session

Specified by:

merge in interface HibSession

Parameters:

obj -

Returns:

Object the persistent object

Throws:

org.bedework.webdav.servlet.shared.WebdavException

saveOrUpdate

public void saveOrUpdate(Object obj)
                  throws org.bedework.webdav.servlet.shared.WebdavException

Save a new object or update an object which may have been loaded in a previous hibernate session

Specified by:

saveOrUpdate in interface HibSession

Parameters:

obj -

Throws:

org.bedework.webdav.servlet.shared.WebdavException

saveOrUpdateCopy

public Object saveOrUpdateCopy(Object obj)
                        throws org.bedework.webdav.servlet.shared.WebdavException

Copy the state of the given object onto the persistent object with the same identifier. If there is no persistent instance currently associated with the session, it will be loaded. Return the persistent instance. If the given instance is unsaved or does not exist in the database, save it and return it as a newly persistent instance. Otherwise, the given instance does not become associated with the session.

Specified by:

saveOrUpdateCopy in interface HibSession

Parameters:

obj -

Returns:

Object

Throws:

org.bedework.webdav.servlet.shared.WebdavException

get

public Object get(Class cl,
                  Serializable id)
           throws org.bedework.webdav.servlet.shared.WebdavException

Return an object of the given class with the given id if it is already associated with this session. This must be called for specific key queries or we can get a NonUniqueObjectException later.

Specified by:

get in interface HibSession

Parameters:

cl - Class of the instance

id - A serializable key

Returns:

Object

Throws:

org.bedework.webdav.servlet.shared.WebdavException

get

public Object get(Class cl,
                  int id)
           throws org.bedework.webdav.servlet.shared.WebdavException

Return an object of the given class with the given id if it is already associated with this session. This must be called for specific key queries or we can get a NonUniqueObjectException later.

Specified by:

get in interface HibSession

Parameters:

cl - Class of the instance

id - int key

Returns:

Object

Throws:

org.bedework.webdav.servlet.shared.WebdavException

save

public void save(Object obj)
          throws org.bedework.webdav.servlet.shared.WebdavException

Save a new object.

Specified by:

save in interface HibSession

Parameters:

obj -

Throws:

org.bedework.webdav.servlet.shared.WebdavException

delete

public void delete(Object obj)
            throws org.bedework.webdav.servlet.shared.WebdavException

Delete an object

Specified by:

delete in interface HibSession

Parameters:

obj -

Throws:

org.bedework.webdav.servlet.shared.WebdavException

restore

public void restore(Object obj)
             throws org.bedework.webdav.servlet.shared.WebdavException

Save a new object with the given id. This should only be used for restoring the db from a save.

Specified by:

restore in interface HibSession

Parameters:

obj -

Throws:

org.bedework.webdav.servlet.shared.WebdavException

reAttach

public void reAttach(UnversionedDbentity<?> val)
              throws org.bedework.webdav.servlet.shared.WebdavException

Specified by:

reAttach in interface HibSession

Throws:

org.bedework.webdav.servlet.shared.WebdavException

lockRead

public void lockRead(Object o)
              throws org.bedework.webdav.servlet.shared.WebdavException

Specified by:

lockRead in interface HibSession

Parameters:

o -

Throws:

org.bedework.webdav.servlet.shared.WebdavException

lockUpdate

public void lockUpdate(Object o)
                throws org.bedework.webdav.servlet.shared.WebdavException

Specified by:

lockUpdate in interface HibSession

Parameters:

o -

Throws:

org.bedework.webdav.servlet.shared.WebdavException

flush

public void flush()
           throws org.bedework.webdav.servlet.shared.WebdavException

Specified by:

flush in interface HibSession

Throws:

org.bedework.webdav.servlet.shared.WebdavException

close

public void close()
           throws org.bedework.webdav.servlet.shared.WebdavException

Specified by:

close in interface HibSession

Throws:

org.bedework.webdav.servlet.shared.WebdavException

getLogger

protected org.apache.log4j.Logger getLogger()