Package com.singularsys.jep.misc.boundvariable

Class FieldVariableBinding

  • All Implemented Interfaces:
    VariableBinding, java.io.Serializable
    public class FieldVariableBinding
extends java.lang.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 java.lang.reflect.Field field  
      protected java.lang.String fieldName  
      protected java.lang.Object obj  

    • Constructor Summary

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

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.Object getValue()
      Gets the value of the associated field.
      void setValue​(java.lang.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 Detail

      • obj

        protected java.lang.Object obj

      • fieldName

        protected java.lang.String fieldName

      • field

        protected java.lang.reflect.Field field

    • Constructor Detail

      • FieldVariableBinding

        public FieldVariableBinding​(java.lang.Object obj,
                            java.lang.String fieldName)
                     throws java.lang.SecurityException,
                            java.lang.NoSuchFieldException
        Create the binding object with the name of a field.
        Parameters:
        obj - the object
        fieldName - the name of the field
        Throws:
        java.lang.SecurityException - if the field can not be acessed.
        java.lang.NoSuchFieldException - if the field does not exists

      • FieldVariableBinding

        public FieldVariableBinding​(java.lang.Object obj,
                            java.lang.reflect.Field field)
        Create the binding object with the name of a field.
        Parameters:
        obj - the object
        field - a field object

    • Method Detail

      • getValue

        public java.lang.Object getValue()
                          throws java.lang.IllegalArgumentException,
                                 java.lang.IllegalAccessException
        Gets the value of the associated field.
        Specified by:
        getValue in interface VariableBinding
        Returns:
        the value
        Throws:
        java.lang.IllegalArgumentException
        java.lang.IllegalAccessException
        See Also:
        Field.get(Object)

      • setValue

        public void setValue​(java.lang.Object value)
              throws java.lang.IllegalArgumentException,
                     java.lang.IllegalAccessException
        Sets the value of the associated field.
        Specified by:
        setValue in interface VariableBinding
        Parameters:
        value - the value
        Throws:
        java.lang.IllegalArgumentException
        java.lang.IllegalAccessException
        See Also:
        Field.set(Object, Object)