+++ /dev/null
-/*
- * Copyright (c) 2003-2005 The BISON Project
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program 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 PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-package peersim.vector;
-
-import peersim.config.*;
-import peersim.core.*;
-
-
-/**
- * Initializes the values so that {@value #PAR_PEAKS} nodes have value
- * {@value #PAR_VALUE}/{@value #PAR_PEAKS}, the rest {@value #PAR_LVALUE}
- * (zero by default).
- * @see VectControl
- * @see peersim.vector
- */
-public class PeakDistribution extends VectControl
-{
-
-// --------------------------------------------------------------------------
-// Parameters
-// --------------------------------------------------------------------------
-
-/**
- * The sum of values in the system, to be equally distributed between peak
- * nodes.
- * @config
- */
-private static final String PAR_VALUE = "value";
-
-/**
- * The value for the nodes that are not peaks. This parameter is optional,
- * by default, the nodes that are
- * not peaks are set to zero. This value overrides that behavior.
- * @config
- */
-private static final String PAR_LVALUE = "background";
-
-/**
- * The number of peaks in the system. If this value is greater than or equal to
- * 1, it is interpreted as the actual number of peaks. If it is included in
- * the range [0, 1] it is interpreted as a percentage with respect to the
- * current network size. Defaults to 1.
- * @config
- */
-private static final String PAR_PEAKS = "peaks";
-
-
-// --------------------------------------------------------------------------
-// Fields
-// --------------------------------------------------------------------------
-
-/** Total load */
-private final Number lvalue;
-
-/** Total load */
-private final Number value;
-
-/** Number of peaks */
-private final double peaks;
-
-// --------------------------------------------------------------------------
-// Initialization
-// --------------------------------------------------------------------------
-
-/**
- * Standard constructor that reads the configuration parameters.
- * Invoked by the simulation engine.
- * @param prefix the configuration prefix for this class
- */
-public PeakDistribution(String prefix)
-{
- super(prefix);
-
- peaks = Configuration.getDouble(prefix+"."+PAR_PEAKS, 1);
-
- if( setter.isInteger() )
- {
- value=Long.valueOf(Configuration.getLong(prefix+"."+PAR_VALUE));
- lvalue=Long.valueOf(Configuration.getLong(prefix+"."+PAR_LVALUE,0));
- }
- else
- {
- value = new Double(Configuration.getDouble(prefix + "." +
- PAR_VALUE));
- lvalue = new Double(Configuration.getDouble(prefix + "." +
- PAR_LVALUE,0));
- }
-}
-
-// --------------------------------------------------------------------------
-// Methods
-// --------------------------------------------------------------------------
-
-/**
- * Initializes the values so that {@value #PAR_PEAKS} nodes have value
- * {@value #PAR_VALUE}/{@value #PAR_PEAKS}, the rest zero.
- * @return always false
- */
-public boolean execute()
-{
- int pn = (peaks < 1 ? (int) (peaks*Network.size()) : (int) peaks);
-
- if( setter.isInteger() )
- {
- long v = value.longValue()/pn;
- long lv = lvalue.longValue();
- for (int i=0; i < pn; i++) setter.set(i, v);
- for (int i=pn; i < Network.size(); i++) setter.set(i,lv);
- }
- else
- {
- double v = value.doubleValue()/pn;
- double lv = lvalue.doubleValue();
- for (int i=0; i < pn; i++) setter.set(i, v);
- for (int i=pn; i < Network.size(); i++) setter.set(i,lv);
- }
-
- return false;
-}
-
-// --------------------------------------------------------------------------
-
-}
