Method getKeyForValue

src/java/org/apache/poi/util/BinaryTree.java:153–157

Returns the key to which this map maps the specified value. Returns null if the map contains no mapping for this value. @param value value whose associated key is to be returned. @return the key to which this map maps the specified value, or null if the map contains no mapping for this val

(Object value)

     * @exception NullPointerException if the value is null
     */
    public Object getKeyForValue(Object value)
        throws ClassCastException, NullPointerException
    {
        return doGet(( Comparable ) value, _VALUE);
    }

    /**
     * Removes the mapping for this value from this map if present