private boolean funcLocMixVeloOk(Context ctx1, Context ctx2) { // boolean function 4
String v1 = (String) ctx1.get(Context.FLD_OBJECT);
String v2 = (String) ctx1.get(Context.FLD_TIMESTAMP);
String v3 = (String) ctx2.get(Context.FLD_OBJECT);
String v4 = (String) ctx2.get(Context.FLD_TIMESTAMP);
if (v1 == null || v2 == null || v3 == null || v4 == null) {
return false;
}
StringTokenizer st = new StringTokenizer(v1);
double x1 = Double.parseDouble(st.nextToken());
double y1 = Double.parseDouble(st.nextToken());
st = new StringTokenizer(v3);
double x2 = Double.parseDouble(st.nextToken());
double y2 = Double.parseDouble(st.nextToken());
double dist = Coordinates.calDist(x1, y1, x2, y2);
long t = TimeFormat.convert(v4) - TimeFormat.convert(v2) - STAY_TIME; // Different here
// The velocity should be between vmin and vmax
boolean result = false;
double vmin = (VELOCITY * ((double) t / 1000) - 2 * ERR) / ((double) t / 1000);
double vmax = (VELOCITY * ((double) t / 1000) + 2 * ERR) / ((double) t / 1000);
double ve = dist / ((double) t / 1000);
if (ve >= vmin && ve <= vmax) {
result = true;
}
return result;
}
private boolean filterLocSkip1Stay(Context ctx1, Context ctx2) { // filter 3
int c1 = Integer.parseInt((String) ctx1.get(Context.FLD_OWNER));
int c2 = Integer.parseInt((String) ctx2.get(Context.FLD_OWNER));
long t1 = TimeFormat.convert((String) ctx1.get(Context.FLD_TIMESTAMP));
long t2 = TimeFormat.convert((String) ctx2.get(Context.FLD_TIMESTAMP));
if (c1 + 2 == c2 && t2 - t1 <= 2 * (STAY_TIME + 100)) { // Skipping 1 and in stay
return true;
} else {
return false;
}
}
private boolean filterLocCons2Walk(Context ctx1, Context ctx2) { // filter 2
int c1 = Integer.parseInt((String) ctx1.get(Context.FLD_OWNER));
int c2 = Integer.parseInt((String) ctx2.get(Context.FLD_OWNER));
long t1 = TimeFormat.convert((String) ctx1.get(Context.FLD_TIMESTAMP));
long t2 = TimeFormat.convert((String) ctx2.get(Context.FLD_TIMESTAMP));
if (c1 + 1 == c2 && t2 - t1 > STAY_TIME + 100) { // Adjacent and in walk
return true;
} else {
return false;
}
}
private boolean filterLocSkip1Walk(Context ctx1, Context ctx2) { // filter 4
int c1 = Integer.parseInt((String) ctx1.get(Context.FLD_OWNER));
int c2 = Integer.parseInt((String) ctx2.get(Context.FLD_OWNER));
long t1 = TimeFormat.convert((String) ctx1.get(Context.FLD_TIMESTAMP));
long t2 = TimeFormat.convert((String) ctx2.get(Context.FLD_TIMESTAMP));
if (c1 + 2 == c2
&& t2 - t1 >= 2 * (long) (WALK_DIST / VELOCITY * 1000)) { // Skipping 1 and in walk
return true;
} else {
return false;
}
}
private boolean filterLocSkip1Mix(Context ctx1, Context ctx2) { // filter 5
int c1 = Integer.parseInt((String) ctx1.get(Context.FLD_OWNER));
int c2 = Integer.parseInt((String) ctx2.get(Context.FLD_OWNER));
long t1 = TimeFormat.convert((String) ctx1.get(Context.FLD_TIMESTAMP));
long t2 = TimeFormat.convert((String) ctx2.get(Context.FLD_TIMESTAMP));
if (c1 + 2 == c2 /*&&*/
|| t2 - t1 > 2 * (STAY_TIME + 100)
&& // Seeded fault
t2 - t1 < 2 * (long) (WALK_DIST / VELOCITY * 1000)) { // Skipping 1 and in stay and walk
return true;
} else {
return false;
}
}
private boolean filterLocCons2Stay(Context ctx1, Context ctx2) { // filter 1
int c1 = Integer.parseInt((String) ctx1.get(Context.FLD_OWNER));
int c2 = Integer.parseInt((String) ctx2.get(Context.FLD_OWNER));
long t1 = TimeFormat.convert((String) ctx1.get(Context.FLD_TIMESTAMP));
long t2 =
TimeFormat.convert(
(String) ctx2.get(Context.FLD_TIMESTAMP)); // System.out.print(" f1:" + t2 + " ");
if (c1 + 1 == c2 && t2 - t1 <= STAY_TIME + 100) { // Adjacent and in stay
// System.out.print(" f1 true ");
return true;
} else {
return false;
}
}
private Coordinates toCoordinates(Context ctx) {
StringTokenizer st = new StringTokenizer((String) ctx.get(Context.FLD_OBJECT));
double x = Double.parseDouble(st.nextToken());
double y = Double.parseDouble(st.nextToken());
return new Coordinates(x, y);
}
private void initContext() {
context.put(JavacTaskImpl.class, this);
if (context.get(TaskListener.class) != null)
context.put(TaskListener.class, (TaskListener) null);
if (taskListener != null) context.put(TaskListener.class, ccw.wrap(taskListener));
// initialize compiler's default locale
context.put(Locale.class, locale);
}
private boolean funcLocDistOk(Context ctx1, Context ctx2) { // boolean function 1
String v1 = (String) ctx1.get(Context.FLD_OBJECT);
String v2 = (String) ctx2.get(Context.FLD_OBJECT);
if (v1 == null || v2 == null) {
return false;
}
StringTokenizer st = new StringTokenizer(v1);
double x1 = Double.parseDouble(st.nextToken());
double y1 = Double.parseDouble(st.nextToken());
st = new StringTokenizer(v2);
double x2 = Double.parseDouble(st.nextToken());
double y2 = Double.parseDouble(st.nextToken());
double dist = Coordinates.calDist(x1, y1, x2, y2);
// The distance should not be larger than two times the allowed error
boolean result = false;
if (dist <= 2 * ERR) {
result = true;
}
return result;
}
protected Enter(Context context) {
context.put(enterKey, this);
log = Log.instance(context);
reader = ClassReader.instance(context);
make = TreeMaker.instance(context);
syms = Symtab.instance(context);
chk = Check.instance(context);
memberEnter = MemberEnter.instance(context);
types = Types.instance(context);
annotate = Annotate.instance(context);
lint = Lint.instance(context);
predefClassDef =
make.ClassDef(make.Modifiers(PUBLIC), syms.predefClass.name, null, null, null, null);
predefClassDef.sym = syms.predefClass;
todo = Todo.instance(context);
fileManager = context.get(JavaFileManager.class);
}
public static Enter instance(Context context) {
Enter instance = context.get(enterKey);
if (instance == null) instance = new Enter(context);
return instance;
}
/**
* Construct a JavaFileObject from the given file.
*
* <p><b>TODO: this method is useless here</b>
*
* @param file a file
* @return a JavaFileObject from the standard file manager.
*/
public JavaFileObject asJavaFileObject(File file) {
JavacFileManager fm = (JavacFileManager) context.get(JavaFileManager.class);
return fm.getRegularFile(file);
}
/** Get the Options instance for this context. */
public static Options instance(Context context) {
Options instance = context.get(optionsKey);
if (instance == null) instance = new Options(context);
return instance;
}
