org.hibernate.bytecode.internal.javassist

Interface FieldHandler

public interface FieldHandler

The interface defining how interception of a field should be handled.

Author:

Muga Nishizawa

Method Summary

Modifier and Type	Method and Description
boolean	readBoolean(Object obj, String name, boolean oldValue) Called to handle reading a boolean value to a given field.
byte	readByte(Object obj, String name, byte oldValue) Called to handle reading a byte value to a given field.
char	readChar(Object obj, String name, char oldValue) Called to handle reading a char value to a given field.
double	readDouble(Object obj, String name, double oldValue) Called to handle reading a double value to a given field.
float	readFloat(Object obj, String name, float oldValue) Called to handle reading a float value to a given field.
int	readInt(Object obj, String name, int oldValue) Called to handle reading an int value to a given field.
long	readLong(Object obj, String name, long oldValue) Called to handle reading a long value to a given field.
Object	readObject(Object obj, String name, Object oldValue) Called to handle reading an Object value to a given field.
short	readShort(Object obj, String name, short oldValue) Called to handle reading a short value to a given field.
boolean	writeBoolean(Object obj, String name, boolean oldValue, boolean newValue) Called to handle writing a boolean value to a given field.
byte	writeByte(Object obj, String name, byte oldValue, byte newValue) Called to handle writing a byte value to a given field.
char	writeChar(Object obj, String name, char oldValue, char newValue) Called to handle writing a char value to a given field.
double	writeDouble(Object obj, String name, double oldValue, double newValue) Called to handle writing a double value to a given field.
float	writeFloat(Object obj, String name, float oldValue, float newValue) Called to handle writing a float value to a given field.
int	writeInt(Object obj, String name, int oldValue, int newValue) Called to handle writing an int value to a given field.
long	writeLong(Object obj, String name, long oldValue, long newValue) Called to handle writing a long value to a given field.
Object	writeObject(Object obj, String name, Object oldValue, Object newValue) Called to handle writing an Object value to a given field.
short	writeShort(Object obj, String name, short oldValue, short newValue) Called to handle writing a short value to a given field.

Method Detail

writeInt

int writeInt(Object obj,
             String name,
             int oldValue,
             int newValue)

Called to handle writing an int value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

newValue - The new field value.

Returns:

The new value, typically the same as the newValue argument

writeChar

char writeChar(Object obj,
               String name,
               char oldValue,
               char newValue)

Called to handle writing a char value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

newValue - The new field value.

Returns:

The new value, typically the same as the newValue argument

writeByte

byte writeByte(Object obj,
               String name,
               byte oldValue,
               byte newValue)

Called to handle writing a byte value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

newValue - The new field value.

Returns:

The new value, typically the same as the newValue argument

writeBoolean

boolean writeBoolean(Object obj,
                     String name,
                     boolean oldValue,
                     boolean newValue)

Called to handle writing a boolean value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

newValue - The new field value.

Returns:

The new value, typically the same as the newValue argument

writeShort

short writeShort(Object obj,
                 String name,
                 short oldValue,
                 short newValue)

Called to handle writing a short value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

newValue - The new field value.

Returns:

The new value, typically the same as the newValue argument

writeFloat

float writeFloat(Object obj,
                 String name,
                 float oldValue,
                 float newValue)

Called to handle writing a float value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

newValue - The new field value.

Returns:

The new value, typically the same as the newValue argument

writeDouble

double writeDouble(Object obj,
                   String name,
                   double oldValue,
                   double newValue)

Called to handle writing a double value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

newValue - The new field value.

Returns:

The new value, typically the same as the newValue argument

writeLong

long writeLong(Object obj,
               String name,
               long oldValue,
               long newValue)

Called to handle writing a long value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

newValue - The new field value.

Returns:

The new value, typically the same as the newValue argument

writeObject

Object writeObject(Object obj,
                   String name,
                   Object oldValue,
                   Object newValue)

Called to handle writing an Object value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

newValue - The new field value.

Returns:

The new value, typically the same as the newValue argument; may be different for entity references

readInt

int readInt(Object obj,
            String name,
            int oldValue)

Called to handle reading an int value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

Returns:

The field value

readChar

char readChar(Object obj,
              String name,
              char oldValue)

Called to handle reading a char value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

Returns:

The field value

readByte

byte readByte(Object obj,
              String name,
              byte oldValue)

Called to handle reading a byte value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

Returns:

The field value

readBoolean

boolean readBoolean(Object obj,
                    String name,
                    boolean oldValue)

Called to handle reading a boolean value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

Returns:

The field value

readShort

short readShort(Object obj,
                String name,
                short oldValue)

Called to handle reading a short value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

Returns:

The field value

readFloat

float readFloat(Object obj,
                String name,
                float oldValue)

Called to handle reading a float value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

Returns:

The field value

readDouble

double readDouble(Object obj,
                  String name,
                  double oldValue)

Called to handle reading a double value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

Returns:

The field value

readLong

long readLong(Object obj,
              String name,
              long oldValue)

Called to handle reading a long value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

Returns:

The field value

readObject

Object readObject(Object obj,
                  String name,
                  Object oldValue)

Called to handle reading an Object value to a given field.

Parameters:

obj - The object instance on which the write was invoked

name - The name of the field being written

oldValue - The old field value

Returns:

The field value