com.atlassian.hibernate.extras.type

Class EmptyStringUserType

java.lang.Object

com.atlassian.hibernate.extras.type.EmptyStringUserType

All Implemented Interfaces:

Serializable, org.hibernate.usertype.UserType

public class EmptyStringUserType
extends Object
implements Serializable, org.hibernate.usertype.UserType

This class will convert NULL values retrieved from the database into EMPTY_STRING. This is required since Oracle treats EMPTY_STRING as NULL. This class will not change how values are stored into the database.

Code was based on: https://www.hibernate.org/169.html (2nd example). For more details on Oracle and its handling for empty strings, see http://download-west.oracle.com/docs/cd/B12037_01/server.101/b10759/sql_elements005.htm.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
EmptyStringUserType()

Method Summary

Methods

Modifier and Type	Method and Description
Object	assemble(Serializable cached, Object owner)
Object	deepCopy(Object value)
Serializable	disassemble(Object value)
boolean	equals(Object x, Object y)
int	hashCode(Object x)
boolean	isMutable()
Object	nullSafeGet(ResultSet rs, String[] names, Object owner)
void	nullSafeSet(PreparedStatement st, Object value, int index)
Object	replace(Object original, Object target, Object owner)
Class	returnedClass()
int[]	sqlTypes()

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyStringUserType

public EmptyStringUserType()

Method Detail

assemble

public Object assemble(Serializable cached,
              Object owner)
                throws org.hibernate.HibernateException

Specified by:

assemble in interface org.hibernate.usertype.UserType

Throws:

org.hibernate.HibernateException

deepCopy

public Object deepCopy(Object value)

Specified by:

deepCopy in interface org.hibernate.usertype.UserType

disassemble

public Serializable disassemble(Object value)

Specified by:

disassemble in interface org.hibernate.usertype.UserType

equals

public boolean equals(Object x,
             Object y)

Specified by:

equals in interface org.hibernate.usertype.UserType

hashCode

public int hashCode(Object x)
             throws org.hibernate.HibernateException

Specified by:

hashCode in interface org.hibernate.usertype.UserType

Throws:

org.hibernate.HibernateException

isMutable

public boolean isMutable()

Specified by:

isMutable in interface org.hibernate.usertype.UserType

nullSafeGet

public Object nullSafeGet(ResultSet rs,
                 String[] names,
                 Object owner)
                   throws org.hibernate.HibernateException,
                          SQLException

Specified by:

nullSafeGet in interface org.hibernate.usertype.UserType

Throws:

org.hibernate.HibernateException

SQLException

nullSafeSet

public void nullSafeSet(PreparedStatement st,
               Object value,
               int index)
                 throws org.hibernate.HibernateException,
                        SQLException

Specified by:

nullSafeSet in interface org.hibernate.usertype.UserType

Throws:

org.hibernate.HibernateException

SQLException

replace

public Object replace(Object original,
             Object target,
             Object owner)
               throws org.hibernate.HibernateException

Specified by:

replace in interface org.hibernate.usertype.UserType

Throws:

org.hibernate.HibernateException

returnedClass

public Class returnedClass()

Specified by:

returnedClass in interface org.hibernate.usertype.UserType

sqlTypes

public int[] sqlTypes()

Specified by:

sqlTypes in interface org.hibernate.usertype.UserType