# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR Description. See the 
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU Library General 
# Public License along with this library; if not, write to the 
# Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, 
# MA 02111-1307 USA

# Copyrights (C)
# for this R-port: 
#   1999 - Diethelm Wuertz, GPL
#   2007 - Rmetrics Foundation, GPL
#   Diethelm Wuertz <wuertz@itp.phys.ethz.ch>
# for code accessed (or partly included) from other sources:
#   see Rmetric's copyright and license files


################################################################################
# FUNCTION:                     PORTFOLIO S4 EXTRACTORS FROM DATA SLOT:
#  getData                       Extracts data slot
#   getSeries                     Extracts assets series data 
#   getNAssets                    Extracts number of assets from data
#   getNames                      Extracts assets names from data
#  getStatistics                 Extracts statistics slot
#   getMean                       Extracs mean from statistics
#   getCov                        Extracs covariance Sigma from statistics
#   getMu                         Extracs mu from statistics
#   getSigma                      Extracs Sigma from statistics
#   getEstimator                  Extracts estimator from 
#  getTailRisk                   Extracts tailRisk slot
################################################################################


    # fPFOLIODATA: 
    # data = list(
    #   series
    #   nAssets
    #   names)
    # statistics = list(
    #   mean,
    #   Cov,
    #   mu,
    #   Sigma,
    #   estimator) 
    # tailRisk = list()  
    

# ------------------------------------------------------------------------------t
    
    
getData.fPFOLIODATA <- function(object) object@data
getSeries.fPFOLIODATA <- function(object) object@data$series   
getNAssets.fPFOLIODATA <- function(object) object@data$nAssets
getNames.fPFOLIODATA <- function(object) object@data$names 


# ------------------------------------------------------------------------------


getStatistics.fPFOLIODATA <- function(object) object@statistics
getMean.fPFOLIODATA <- function(object) object@statistics$mean
getCov.fPFOLIODATA <- function(object) object@statistics$Cov
getMu.fPFOLIODATA <- function(object) object@statistics$mu
getSigma.fPFOLIODATA <- function(object) object@statistics$Sigma
getEstimator.fPFOLIODATA <- function(object) object@statistics$estimator


# ------------------------------------------------------------------------------


getTailRisk.fPFOLIODATA <- function(object) object@tailRisk
  

################################################################################