Package com.gpudb

Class TypeObjectMap.FieldHandler

java.lang.Object

com.gpudb.TypeObjectMap.FieldHandler

All Implemented Interfaces:

TypeObjectMap.Accessor, TypeObjectMap.Mutator

Enclosing class:

TypeObjectMap<T>

public static final class TypeObjectMap.FieldHandler
extends Object
implements TypeObjectMap.Accessor, TypeObjectMap.Mutator

A combined TypeObjectMap.Accessor and TypeObjectMap.Mutator that provides access to a specified field using reflection. The field must be public.

Constructor Summary

Constructors

Constructor	Description
FieldHandler(Field field)	Creates a TypeObjectMap.FieldHandler for the specified field.

Method Summary

Modifier and Type	Method	Description
Object	get(Object o)	Returns the value of the field specified in the constructor from the specified object.
void	set(Object o, Object value)	Sets the value of the field specified in the constructor in the specified object.

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldHandler

public FieldHandler(Field field)

Creates a TypeObjectMap.FieldHandler for the specified field.

Parameters:

field - the field

Method Detail

get

public Object get(Object o)

Returns the value of the field specified in the constructor from the specified object. The object must belong to the class containing the field.

Specified by:

get in interface TypeObjectMap.Accessor

Parameters:

o - the object

Returns:

the value of the field

Throws:

GPUdbRuntimeException - if the value could not be retrieved

set

public void set(Object o,
                Object value)

Sets the value of the field specified in the constructor in the specified object. The object must belong to the class containing the field.

Specified by:

set in interface TypeObjectMap.Mutator

Parameters:

o - the object

value - the new value of the field

Throws:

GPUdbRuntimeException - if the value could not be set