Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
///////////////////////////////////////////////////////////////////////////////
// For information as to what this class does, see the Javadoc, below. //
// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, //
// 2007, 2008, 2009, 2010, 2014, 2015, 2022 by Peter Spirtes, Richard //
// Scheines, Joseph Ramsey, and Clark Glymour. //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation; either version 2 of the License, or //
// (at your option) any later version. //
// //
// 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 General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program; if not, write to the Free Software //
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA //
///////////////////////////////////////////////////////////////////////////////
package edu.cmu.tetrad.bayes;
import edu.cmu.tetrad.data.VariableSource;
import edu.cmu.tetrad.util.TetradSerializable;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.util.Arrays;
/**
* Stores information for a variable source about evidence we have for each variable as well as whether each variable
* has been manipulated.
*
* @author josephramsey
*/
public final class Manipulation implements TetradSerializable {
private static final long serialVersionUID = 23L;
private final VariableSource variableSource;
/**
* An array indicating whether each variable in turn is manipulated.
*
* @serial Cannot be null.
*/
private final boolean[] manipulated;
//===========================CONSTRUCTORS============================//
/**
* Constructs a container for evidence for the given Bayes IM.
*/
public Manipulation(VariableSource variableSource) {
if (variableSource == null) {
throw new NullPointerException();
}
this.variableSource = variableSource;
this.manipulated = new boolean[getNumNodes()];
}
/**
* Copy constructor.
*/
public Manipulation(Manipulation manipulation) {
if (manipulation == null) {
throw new NullPointerException();
}
if (manipulation.getVariableSource() == null) {
throw new NullPointerException("Please reconstruct this part of the " +
"session; there was an error.");
}
this.variableSource = manipulation.getVariableSource();
this.manipulated = new boolean[getNumNodes()];
for (int i = 0; i < this.manipulated.length; i++) {
this.manipulated[i] = manipulation.isManipulated(i);
}
}
/**
* Generates a simple exemplar of this class to test serialization.
*/
public static Manipulation serializableInstance() {
return new Manipulation(MlBayesIm.serializableInstance());
}
//===========================PUBLIC METHODS=========================//
public void setManipulated(int nodeIndex, boolean manipulated) {
this.manipulated[nodeIndex] = manipulated;
}
public String toString() {
StringBuilder buf = new StringBuilder();
buf.append("\nManipulation:");
buf.append("\n");
for (int i = 0; i < getNumNodes(); i++) {
buf.append(isManipulated(i) ? "(Man)" : " ");
buf.append("\t");
}
return buf.toString();
}
public boolean equals(Object o) {
if (o == null) {
return false;
}
if (!(o instanceof Manipulation)) {
return false;
}
Manipulation evidence = (Manipulation) o;
if (!(getVariableSource() == evidence.getVariableSource())) {
return false;
}
for (int i = 0; i < this.manipulated.length; i++) {
if (this.manipulated[i] != evidence.manipulated[i]) {
return false;
}
}
return true;
}
public int hashCode() {
int hashCode = 37;
hashCode = 19 * hashCode + getVariableSource().hashCode();
hashCode = 19 * hashCode + Arrays.hashCode(this.manipulated);
return hashCode;
}
//===========================PRIVATE METHODS=========================//
private int getNumNodes() {
return getVariableSource().getVariables().size();
}
public boolean isManipulated(int nodeIndex) {
return this.manipulated[nodeIndex];
}
/**
* Adds semantic checks to the default deserialization method. This method must have the standard signature for a
* readObject method, and the body of the method must begin with "s.defaultReadObject();". Other than that, any
* semantic checks can be specified and do not need to stay the same from version to version. A readObject method of
* this form may be added to any class, even if Tetrad sessions were previously saved out using a version of the
* class that didn't include it. (That's what the "s.defaultReadObject();" is for. See J. Bloch, Effective Java, for
* help.
*/
private void readObject(ObjectInputStream s)
throws IOException, ClassNotFoundException {
s.defaultReadObject();
}
private VariableSource getVariableSource() {
return this.variableSource;
}
}