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/*
* Copyright (c) 2007 innoSysTec (R) GmbH, Germany. All rights reserved.
* Original author: Edmund Wagner
* Creation date: 01.06.2007
*
* Source: $HeadURL$
* Last changed: $LastChangedDate$
*
* the unrar licence applies to all junrar source and binary distributions
* you are not allowed to use this source to re-create the RAR compression algorithm
*
* Here some html entities which can be used for escaping javadoc tags:
* "&": "&" or "&"
* "<": "<" or "<"
* ">": ">" or ">"
* "@": "@"
*/
package com.github.junrar.unpack.ppm;
/**
* DOCUMENT ME
*
* @author $LastChangedBy$
* @version $LastChangedRevision$
*/
public class StateRef {
private int symbol;
private int freq;
private int successor; // pointer ppmcontext
public StateRef() {
}
public int getSymbol() {
return symbol;
}
public void setSymbol(int symbol) {
this.symbol = symbol&0xff;
}
public int getFreq() {
return freq;
}
public void setFreq(int freq) {
this.freq = freq&0xff;
}
public void incFreq(int dFreq) {
freq = (freq + dFreq)&0xff;
}
public void decFreq(int dFreq) {
freq = (freq - dFreq)&0xff;
}
public void setValues(State statePtr){
setFreq(statePtr.getFreq());
setSuccessor(statePtr.getSuccessor());
setSymbol(statePtr.getSymbol());
}
public int getSuccessor() {
return successor;
}
public void setSuccessor(PPMContext successor) {
setSuccessor(successor.getAddress());
}
public void setSuccessor(int successor) {
this.successor = successor;
}
public String toString() {
StringBuilder buffer = new StringBuilder();
buffer.append("State[");
buffer.append("\n symbol=");
buffer.append(getSymbol());
buffer.append("\n freq=");
buffer.append(getFreq());
buffer.append("\n successor=");
buffer.append(getSuccessor());
buffer.append("\n]");
return buffer.toString();
}
}
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