Package com.singularsys.jep.misc.boundvariable

Class FieldVariableBinding

java.lang.Object

com.singularsys.jep.misc.boundvariable.FieldVariableBinding

All Implemented Interfaces:

VariableBinding, Serializable

public class FieldVariableBinding
extends Object
implements VariableBinding

A VariableBinding which binds variables to a particular field of an object. Uses the reflection mechanism of Class.getField(String).

Since:

Jep 3.5

Author:

Richard Morris

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected Field	field
protected final String	fieldName
protected final Object	obj

Constructor Summary

Constructors

Constructor	Description
FieldVariableBinding(Object obj, Field field)	Create the binding object with the name of a field.
FieldVariableBinding(Object obj, String fieldName)	Create the binding object with the name of a field.

Method Summary

Modifier and Type	Method	Description
Object	getValue()	Gets the value of the associated field.
void	setValue(Object value)	Sets the value of the associated field.

Methods inherited from class java.lang.Object

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

Field Details

obj

protected final Object obj

fieldName

protected final String fieldName

field

protected Field field

Constructor Details

FieldVariableBinding

public FieldVariableBinding(Object obj,
 String fieldName)
                     throws SecurityException,
NoSuchFieldException

Create the binding object with the name of a field.

Parameters:

obj - the object

fieldName - the name of the field

Throws:

SecurityException - if the field can not be accessed.

NoSuchFieldException - if the field does not exist.

FieldVariableBinding

public FieldVariableBinding(Object obj,
 Field field)

Create the binding object with the name of a field.

Parameters:

obj - the object

field - a field object

Method Details

getValue

public Object getValue()
                throws IllegalArgumentException,
IllegalAccessException

Gets the value of the associated field.

Specified by:

getValue in interface VariableBinding

Returns:

the value

Throws:

IllegalArgumentException

IllegalAccessException

See Also:

• Field.get(Object)

setValue

public void setValue(Object value)
              throws IllegalArgumentException,
IllegalAccessException

Sets the value of the associated field.

Specified by:

setValue in interface VariableBinding

Parameters:

value - the value

Throws:

IllegalArgumentException

IllegalAccessException

See Also:

• Field.set(Object, Object)