/**
* Gets the field value.
*
* @return the value of the field
*/
public Object value() {
if (!convert1st) {
FieldAccess field = field();
if (field != null) {
switch (field.typeEnum()) {
case NUMBER:
this.value = (VALUE) Conversions.coerce(field.type(), this.value);
return new MyNumber(this.value);
case ARRAY:
case ARRAY_INT:
case ARRAY_BYTE:
case ARRAY_SHORT:
case ARRAY_FLOAT:
case ARRAY_DOUBLE:
case ARRAY_LONG:
case ARRAY_STRING:
case ARRAY_OBJECT:
case COLLECTION:
case SET:
case LIST:
this.value = (VALUE) Conversions.coerce(field.getComponentClass(), this.value);
break;
default:
this.value = (VALUE) Conversions.coerce(field.type(), this.value);
}
}
convert1st = true;
}
return value;
}
public static double variance(Collection<?> inputList, String propertyPath) {
double mean = mean(inputList, propertyPath);
double temp = 0;
double a;
if (propertyPath.contains(".") || propertyPath.contains("[")) {
String[] properties = StringScanner.splitByDelimiters(propertyPath, ".[]");
for (Object o : inputList) {
a = BeanUtils.getPropertyInt(o, properties);
temp += (mean - a) * (mean - a);
}
} else {
Map<String, FieldAccess> fields = BeanUtils.getFieldsFromObject(inputList.iterator().next());
FieldAccess fieldAccess = fields.get(propertyPath);
for (Object o : inputList) {
a = fieldAccess.getInt(o);
temp += (mean - a) * (mean - a);
}
}
return Math.round(temp / inputList.size());
}
/**
* Calculate a sum of a property from a list.
*
* @param inputList
* @param propertyPath to item we want to sum
* @return sum
*/
public static long sum(Collection<?> inputList, String propertyPath) {
if (inputList.size() == 0) {
return 0;
}
long sum = 0l;
if (propertyPath.contains(".") || propertyPath.contains("[")) {
String[] properties = StringScanner.splitByDelimiters(propertyPath, ".[]");
for (Object o : inputList) {
sum += BeanUtils.getPropertyInt(o, properties);
}
} else {
Map<String, FieldAccess> fields = BeanUtils.getFieldsFromObject(inputList.iterator().next());
FieldAccess fieldAccess = fields.get(propertyPath);
for (Object o : inputList) {
sum += fieldAccess.getInt(o);
}
}
return sum;
}
/**
* Gets the field value.
*
* @return the value of the field
*/
public Object value2() {
if (!convert2nd) {
FieldAccess field = this.field();
this.value2 = (VALUE) Conversions.coerce(field.type(), this.value2);
convert2nd = true;
}
return value2;
}
public char fieldChar() {
if (!path) {
FieldAccess field1 = this.field();
return field1.getChar(objectUnderTest);
} else {
return BeanUtils.idxChar(objectUnderTest, name.toString());
}
}
public long fieldLong() {
if (!path) {
FieldAccess field1 = this.field();
return field1.getLong(objectUnderTest);
} else {
return BeanUtils.idxLong(objectUnderTest, name.toString());
}
}
public int fieldInt() {
if (!path) {
FieldAccess field1 = this.field();
return field1.getInt(objectUnderTest);
} else {
return BeanUtils.idxInt(objectUnderTest, name.toString());
}
}
public byte fieldByte() {
if (!path) {
FieldAccess field1 = this.field();
return field1.getByte(objectUnderTest);
} else {
return BeanUtils.idxByte(objectUnderTest, name.toString());
}
}
/**
* Gets the field value.
*
* @return the value of the field
*/
public Object fieldValue() {
if (!path) {
FieldAccess field1 = this.field();
return field1.getValue(objectUnderTest);
} else {
return BeanUtils.atIndex(objectUnderTest, name.toString());
}
}
/**
* Gets the field value.
*
* @return the value of the field
*/
public Object value() {
if (!convert1st) {
FieldAccess field = field();
if (field != null) {
switch (field.typeEnum()) {
case ARRAY:
case COLLECTION:
case SET:
case LIST:
this.value = (VALUE) Conversions.coerce(field.getComponentClass(), this.value);
break;
default:
this.value = (VALUE) Conversions.coerce(field.type(), this.value);
}
}
convert1st = true;
}
return value;
}
public Set<Object> valueSet() {
if (!convert1st) {
HashSet<Object> set = new HashSet<>(values.length);
FieldAccess field = this.field();
Class<?> classType = field.type();
for (Object v : values) {
v = Conversions.coerce(classType, this.value);
set.add(v);
}
value = (VALUE) set;
convert1st = true;
}
return (Set<Object>) value;
}
private void initIfNeeded() {
if (initialized) return;
initialized = true;
String name = this.name.toString();
FieldAccess field = field();
if (field == null) {
return;
}
Class type = field.type();
if (!type.isPrimitive() && type != Typ.date) {
return;
}
if (type == Typ.date) {
if (!(value instanceof Date)) {
initForDate();
}
return;
}
useDelegate = true;
if (type == Typ.intgr) {
int v = Conversions.toInt(value);
initForInt(v);
} else if (type == Typ.bt) {
byte v = Conversions.toByte(value);
initForByte(v);
} else if (type == Typ.shrt) {
short v = Conversions.toShort(value);
initForShortValue(v);
} else if (type == Typ.lng) {
long v = Conversions.toLong(value);
initForLong(v);
} else if (type == Typ.flt) {
float v = Conversions.toFloat(value);
initForFloat(v);
} else if (type == Typ.dbl) {
double v = Conversions.toDouble(value);
initForDouble(v);
} else if (type == Typ.bln) {
switch (operator) {
case EQUAL:
nativeDelegate = ObjectFilter.eqBoolean(name, Conversions.toBoolean(value));
break;
case NOT_EQUAL:
nativeDelegate = ObjectFilter.notEqBoolean(name, Conversions.toBoolean(value));
break;
default:
useDelegate = false;
}
} else if (type == Typ.chr) {
char v = Conversions.toChar(value);
initForChar(v);
}
}
