Class MvelUpdater

    • Field Detail

      • m_sExpr

        protected String m_sExpr
        The MVEL expression to evaluate.
      • m_oExpr

        protected transient Serializable m_oExpr
        Compiled expression.
    • Constructor Detail

      • MvelUpdater

        public MvelUpdater()
        Default constructor (necessary for the ExternalizableLite and PortableObject interfaces).
      • MvelUpdater

        public MvelUpdater​(String sExpr)
        Construct a MvelUpdater based on an MVEL expression.
        Parameters:
        sExpr - the MVEL expression to evaluate
    • Method Detail

      • update

        public void update​(Object oTarget,
                           Object oValue)
        Update the state of the passed target object using the passed value. For intrinsic types, the specified value is expected to be a standard wrapper type in the same manner that reflection works; for example, an int value would be passed as a java.lang.Integer.
        Specified by:
        update in interface ValueUpdater
        Overrides:
        update in class AbstractUpdater
        Parameters:
        oTarget - the Object to update the state of
        oValue - the new value to update the state with
      • getCompiledExpression

        protected Serializable getCompiledExpression()
        Return a compiled MVEL expression.
        Returns:
        compiled MVEL expression
      • equals

        public boolean equals​(Object o)
        Compare the MvelUpdater with another object to determine equality.
        Overrides:
        equals in class Object
        Returns:
        true iff this MvelUpdater and the passed object are equivalent MvelUpdater instances
      • hashCode

        public int hashCode()
        Determine a hash value for the MvelUpdater object according to the general Object.hashCode() contract.
        Overrides:
        hashCode in class Object
        Returns:
        an integer hash value for this MvelUpdater object
      • toString

        public String toString()
        Provide a human-readable description of this MvelUpdater object.
        Overrides:
        toString in class Object
        Returns:
        a human-readable description of this MvelUpdater object
      • readExternal

        public void readExternal​(DataInput in)
                          throws IOException
        Restore the contents of this object by loading the object's state from the passed DataInput object.
        Specified by:
        readExternal in interface ExternalizableLite
        Parameters:
        in - the DataInput stream to read data from in order to restore the state of this object
        Throws:
        IOException - if an I/O exception occurs
        NotActiveException - if the object is not in its initial state, and therefore cannot be deserialized into
      • writeExternal

        public void writeExternal​(DataOutput out)
                           throws IOException
        Save the contents of this object by storing the object's state into the passed DataOutput object.
        Specified by:
        writeExternal in interface ExternalizableLite
        Parameters:
        out - the DataOutput stream to write the state of this object to
        Throws:
        IOException - if an I/O exception occurs
      • readExternal

        public void readExternal​(PofReader in)
                          throws IOException
        Restore the contents of a user type instance by reading its state using the specified PofReader object.
        Specified by:
        readExternal in interface PortableObject
        Parameters:
        in - the PofReader from which to read the object's state
        Throws:
        IOException - if an I/O error occurs
      • writeExternal

        public void writeExternal​(PofWriter out)
                           throws IOException
        Save the contents of a POF user type instance by writing its state using the specified PofWriter object.
        Specified by:
        writeExternal in interface PortableObject
        Parameters:
        out - the PofWriter to which to write the object's state
        Throws:
        IOException - if an I/O error occurs