ChangedTextInput.java

package nars.lab.ioutils;

import nars.NAR;


/** TextInput subclass that only inputs when the next input value changes from previous */
public class ChangedTextInput  {

    private final NAR nar;
    private String last = null;
    private boolean allowRepeats = false;

    public ChangedTextInput(NAR n) {
        this.nar = n;
    }

    public boolean set(String s) {
        return set(s, -1);
    }
    
    public boolean set(String s, long time) {
        if (allowRepeats || (last == null) || (!last.equals(s))) {
            nar.addInput(s, time);
            last = s;
            return true;
        }
        //TODO option to, when else, add with lower budget ?
        return false;
    }

    public void setAllowRepeatInputs(boolean b) {
        this.allowRepeats = b;
    }
}