com.marvinformatics.hibernate.json

Class JsonUserType

java.lang.Object

com.marvinformatics.hibernate.json.JsonUserType

All Implemented Interfaces:

org.hibernate.usertype.DynamicParameterizedType, org.hibernate.usertype.ParameterizedType, org.hibernate.usertype.UserType

Direct Known Subclasses:

JsonListUserType

public class JsonUserType
extends Object
implements org.hibernate.usertype.UserType, org.hibernate.usertype.DynamicParameterizedType

Define a Jackson Serializer/Deserializer use to persist The implementation is a hibernate custom type

Author:

Marvin H Froeder, Regis Leray

Nested Class Summary

Nested classes/interfaces inherited from interface org.hibernate.usertype.DynamicParameterizedType

org.hibernate.usertype.DynamicParameterizedType.ParameterType

Field Summary

Fields inherited from interface org.hibernate.usertype.DynamicParameterizedType

ACCESS_TYPE, ENTITY, IS_DYNAMIC, IS_PRIMARY_KEY, PARAMETER_TYPE, PROPERTY, RETURNED_CLASS, XPROPERTY

Constructor Summary

Constructors

Constructor and Description
JsonUserType()

Method Summary

Methods

Modifier and Type	Method and Description
Object	assemble(Serializable cached, Object owner) (optional operation)
com.fasterxml.jackson.databind.JavaType	createJavaType(com.fasterxml.jackson.databind.ObjectMapper mapper) By default we are expecting to use a simple object / not a collection (Set, List)
Object	deepCopy(Object value)
Serializable	disassemble(Object value) (optional operation)
boolean	equals(Object x, Object y)
int	hashCode(Object x)
boolean	isMutable()
Object	nullSafeGet(ResultSet rs, String[] names, org.hibernate.engine.spi.SessionImplementor session, Object owner)
void	nullSafeSet(PreparedStatement st, Object value, int index, org.hibernate.engine.spi.SessionImplementor session)
Object	replace(Object original, Object target, Object owner) Optionnal
Class<?>	returnedClass()
void	setParameterValues(Properties parameters)
int[]	sqlTypes()

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonUserType

public JsonUserType()

Method Detail

equals

public boolean equals(Object x,
             Object y)
               throws org.hibernate.HibernateException

Specified by:

equals in interface org.hibernate.usertype.UserType

Throws:

org.hibernate.HibernateException

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

nullSafeSet

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

Specified by:

nullSafeSet in interface org.hibernate.usertype.UserType

Throws:

org.hibernate.HibernateException

SQLException

nullSafeGet

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

Specified by:

nullSafeGet in interface org.hibernate.usertype.UserType

Throws:

org.hibernate.HibernateException

SQLException

deepCopy

public Object deepCopy(Object value)
                throws org.hibernate.HibernateException

Specified by:

deepCopy in interface org.hibernate.usertype.UserType

Throws:

org.hibernate.HibernateException

replace

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

Optionnal

Specified by:

replace in interface org.hibernate.usertype.UserType

Throws:

org.hibernate.HibernateException

disassemble

public Serializable disassemble(Object value)
                         throws org.hibernate.HibernateException

(optional operation)

Specified by:

disassemble in interface org.hibernate.usertype.UserType

Parameters:

value -

Throws:

org.hibernate.HibernateException

assemble

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

(optional operation)

Specified by:

assemble in interface org.hibernate.usertype.UserType

Parameters:

cached -

owner -

Returns:

the instance cached

Throws:

org.hibernate.HibernateException

createJavaType

public com.fasterxml.jackson.databind.JavaType createJavaType(com.fasterxml.jackson.databind.ObjectMapper mapper)

By default we are expecting to use a simple object / not a collection (Set, List)

Parameters:

mapper - : instance jackson object mapper

Returns:

A jackson JavaType to specify wich object represent the json string representation

sqlTypes

public int[] sqlTypes()

Specified by:

sqlTypes in interface org.hibernate.usertype.UserType

setParameterValues

public void setParameterValues(Properties parameters)

Specified by:

setParameterValues in interface org.hibernate.usertype.ParameterizedType

returnedClass

public Class<?> returnedClass()

Specified by:

returnedClass in interface org.hibernate.usertype.UserType