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 funcLocMixVeloOk(ccr.app.Context ctx1, ccr.app.Context ctx2) {
java.lang.String v1 = (java.lang.String) ctx1.get(Context.FLD_OBJECT);
java.lang.String v2 = (java.lang.String) ctx1.get(Context.FLD_TIMESTAMP);
java.lang.String v3 = (java.lang.String) ctx2.get(Context.FLD_OBJECT);
java.lang.String v4 = (java.lang.String) ctx2.get(Context.FLD_TIMESTAMP);
if (v1 == null || v2 == null || v3 == null || v4 == null) {
return false;
}
java.util.StringTokenizer st = new java.util.StringTokenizer(v1);
double x1 = Double.parseDouble(st.nextToken());
double y1 = Double.parseDouble(st.nextToken());
st = new java.util.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;
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 filterLocSkip1Walk(ccr.app.Context ctx1, ccr.app.Context ctx2) {
int c1 = Integer.parseInt((java.lang.String) ctx1.get(Context.FLD_OWNER));
int c2 = Integer.parseInt((java.lang.String) ctx2.get(Context.FLD_OWNER));
long t1 = TimeFormat.convert((java.lang.String) ctx1.get(Context.FLD_TIMESTAMP));
long t2 = TimeFormat.convert((java.lang.String) ctx2.get(Context.FLD_TIMESTAMP));
if (c1 + 2 == c2 && t2 - t1 >= 2 * (long) (WALK_DIST / VELOCITY * 1000)) {
return true;
} else {
return false;
}
}
private boolean filterLocCons2Walk(ccr.app.Context ctx1, ccr.app.Context ctx2) {
int c1 = Integer.parseInt((java.lang.String) ctx1.get(Context.FLD_OWNER));
int c2 = Integer.parseInt((java.lang.String) ctx2.get(Context.FLD_OWNER));
long t1 = TimeFormat.convert((java.lang.String) ctx1.get(Context.FLD_TIMESTAMP));
long t2 = TimeFormat.convert((java.lang.String) ctx2.get(Context.FLD_TIMESTAMP));
if (c1 + 1 == c2 && t2 - t1 > STAY_TIME + 100) {
return true;
} else {
return false;
}
}
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 ccr.app.Context generateCtx() {
ccr.app.Context ctx = new ccr.app.Context();
ctx.put(Context.FLD_CATEGORY, getCategory());
ctx.put(Context.FLD_SUBJECT, getSubject());
ctx.put(Context.FLD_PREDICATE, getPredicate());
ctx.put(Context.FLD_OBJECT, getObject());
ctx.put(Context.FLD_START_FROM, getStartFrom());
ctx.put(Context.FLD_END_AT, getEndAt());
ctx.put(Context.FLD_SITE, getSite());
ctx.put(Context.FLD_OWNER, getOwner());
ctx.put(Context.FLD_TIMESTAMP, TimeFormat.convert(timestamp));
return ctx;
}
private Context generateCtx() {
Context ctx = new Context();
ctx.put(Context.FLD_CATEGORY, getCategory());
ctx.put(Context.FLD_SUBJECT, getSubject());
ctx.put(Context.FLD_PREDICATE, getPredicate());
ctx.put(Context.FLD_OBJECT, getObject());
ctx.put(Context.FLD_START_FROM, getStartFrom());
ctx.put(Context.FLD_END_AT, getEndAt());
ctx.put(Context.FLD_SITE, getSite());
ctx.put(Context.FLD_OWNER, getOwner());
// FLD_ID, FLD_TIMESTAMP, FLD_CONSISTENCY are unnecessary
ctx.put(Context.FLD_TIMESTAMP, TimeFormat.convert(timestamp)); // Set FLD_TIMESTAMP
return ctx;
}
private java.lang.String getEndAt() {
return TimeFormat.convert(System.currentTimeMillis());
}
private String getStartFrom() {
return TimeFormat.convert(System.currentTimeMillis());
}