org.hibernate.type
Class AbstractLobType

java.lang.Object
  extended by org.hibernate.type.AbstractType
      extended by org.hibernate.type.AbstractLobType
All Implemented Interfaces:
Serializable, Type
Direct Known Subclasses:
ByteArrayBlobType, SerializableToBlobType

public abstract class AbstractLobType
extends AbstractType
implements Serializable

Author:
Emmanuel Bernard
See Also:
Serialized Form

Constructor Summary
AbstractLobType()
           
 
Method Summary
protected abstract  Object get(ResultSet rs, String name)
           
 int getColumnSpan(Mapping mapping)
          How many columns are used to persist this type.
 int getHashCode(Object x, EntityMode entityMode)
          Get a hashcode, consistent with persistence "equality"
 String getName()
          Returns the abbreviated name of the type.
 boolean isDirty(Object old, Object current, boolean[] checkable, SessionImplementor session)
          Should the parent be considered dirty, given both the old and current field or element value?
 boolean isEqual(Object x, Object y, EntityMode entityMode)
          Compare two instances of the class mapped by this type for persistence "equality" - equality of persistent state.
 Object nullSafeGet(ResultSet rs, String[] names, SessionImplementor session, Object owner)
          Retrieve an instance of the mapped class from a JDBC resultset.
 Object nullSafeGet(ResultSet rs, String name, SessionImplementor session, Object owner)
          Retrieve an instance of the mapped class from a JDBC resultset.
 void nullSafeSet(PreparedStatement st, Object value, int index, boolean[] settable, SessionImplementor session)
          Write an instance of the mapped class to a prepared statement, ignoring some columns.
 void nullSafeSet(PreparedStatement st, Object value, int index, SessionImplementor session)
          Write an instance of the mapped class to a prepared statement.
protected abstract  void set(PreparedStatement st, Object value, int index, SessionImplementor session)
           
 
Methods inherited from class org.hibernate.type.AbstractType
assemble, beforeAssemble, compare, disassemble, getHashCode, getSemiResolvedType, hydrate, isAnyType, isAssociationType, isCollectionType, isComponentType, isDirty, isEntityType, isEqual, isModified, isSame, isXMLElement, replace, replaceNode, resolve, semiResolve
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.hibernate.type.Type
deepCopy, fromXMLNode, getReturnedClass, isMutable, replace, setToXMLNode, sqlTypes, toColumnNullness, toLoggableString
 

Constructor Detail

AbstractLobType

public AbstractLobType()
Method Detail

isDirty

public boolean isDirty(Object old,
                       Object current,
                       boolean[] checkable,
                       SessionImplementor session)
                throws HibernateException
Description copied from interface: Type
Should the parent be considered dirty, given both the old and current field or element value?

Specified by:
isDirty in interface Type
Parameters:
old - the old value
current - the current value
checkable - which columns are actually updatable
Returns:
true if the field is dirty
Throws:
HibernateException

isEqual

public boolean isEqual(Object x,
                       Object y,
                       EntityMode entityMode)
Description copied from interface: Type
Compare two instances of the class mapped by this type for persistence "equality" - equality of persistent state.

Specified by:
isEqual in interface Type
Overrides:
isEqual in class AbstractType
Returns:
boolean

getHashCode

public int getHashCode(Object x,
                       EntityMode entityMode)
Description copied from interface: Type
Get a hashcode, consistent with persistence "equality"

Specified by:
getHashCode in interface Type
Overrides:
getHashCode in class AbstractType

getName

public String getName()
Description copied from interface: Type
Returns the abbreviated name of the type.

Specified by:
getName in interface Type
Returns:
String the Hibernate type name

getColumnSpan

public int getColumnSpan(Mapping mapping)
                  throws MappingException
Description copied from interface: Type
How many columns are used to persist this type.

Specified by:
getColumnSpan in interface Type
Throws:
MappingException

get

protected abstract Object get(ResultSet rs,
                              String name)
                       throws SQLException
Throws:
SQLException

nullSafeGet

public Object nullSafeGet(ResultSet rs,
                          String[] names,
                          SessionImplementor session,
                          Object owner)
                   throws HibernateException,
                          SQLException
Description copied from interface: Type
Retrieve an instance of the mapped class from a JDBC resultset. Implementors should handle possibility of null values.

Specified by:
nullSafeGet in interface Type
names - the column names
owner - the parent entity
Returns:
Object
Throws:
HibernateException
SQLException
See Also:
alternative, 2-phase property initialization

nullSafeGet

public Object nullSafeGet(ResultSet rs,
                          String name,
                          SessionImplementor session,
                          Object owner)
                   throws HibernateException,
                          SQLException
Description copied from interface: Type
Retrieve an instance of the mapped class from a JDBC resultset. Implementations should handle possibility of null values. This method might be called if the type is known to be a single-column type.

Specified by:
nullSafeGet in interface Type
name - the column name
owner - the parent entity
Returns:
Object
Throws:
HibernateException
SQLException

nullSafeSet

public void nullSafeSet(PreparedStatement st,
                        Object value,
                        int index,
                        boolean[] settable,
                        SessionImplementor session)
                 throws HibernateException,
                        SQLException
Description copied from interface: Type
Write an instance of the mapped class to a prepared statement, ignoring some columns. Implementors should handle possibility of null values. A multi-column type should be written to parameters starting from index.

Specified by:
nullSafeSet in interface Type
value - the object to write
index - statement parameter index
settable - an array indicating which columns to ignore
Throws:
HibernateException
SQLException

set

protected abstract void set(PreparedStatement st,
                            Object value,
                            int index,
                            SessionImplementor session)
                     throws SQLException
Throws:
SQLException

nullSafeSet

public void nullSafeSet(PreparedStatement st,
                        Object value,
                        int index,
                        SessionImplementor session)
                 throws HibernateException,
                        SQLException
Description copied from interface: Type
Write an instance of the mapped class to a prepared statement. Implementors should handle possibility of null values. A multi-column type should be written to parameters starting from index.

Specified by:
nullSafeSet in interface Type
value - the object to write
index - statement parameter index
Throws:
HibernateException
SQLException


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