@Override
public PersistentQuantityManager getThis() throws PersistenceException {
if (this.This == null) {
final PersistentQuantityManager result = new QuantityManagerProxi(this.getId());
result.getTheObject();
return result;
}
return this.This;
}
/**
* testet die Division mit der gleichen Einheit .
*
* @throws PersistenceException
* @throws NotComputableException
*/
@Test
public void testBasicCalculation_Same_Unit_div()
throws PersistenceException, NotComputableException {
final PersistentQuantity two = quanMan.createQuantity(meter, Fraction.parse("2"));
final PersistentQuantity eight = quanMan.createQuantity(squareMeter, Fraction.parse("8"));
final PersistentQuantity fiveMeter = quanMan.createQuantity(meter, Fraction.parse("5"));
final PersistentQuantity twoSeconds = quanMan.createQuantity(second, Fraction.parse("2"));
/*
* Test 16m^2 / 8m = 2m (simple)
*/
final PersistentQuantity test1_act = (PersistentQuantity) quanMan.div(eight, two);
final PersistentQuantity test1_exp = quanMan.createQuantity(meter, Fraction.parse("4"));
assertEquals(test1_exp.getUnit(), test1_act.getUnit());
assertEquals(test1_exp.getAmount(), test1_act.getAmount());
/*
* Test 5m / 2s = 5/2 m/s
*/
final PersistentQuantity test2_act = (PersistentQuantity) quanMan.div(fiveMeter, twoSeconds);
final PersistentQuantity test2_exp =
quanMan.createQuantity(meterPerSecond, Fraction.parse("5/2"));
assertEquals(test2_exp.getUnit(), test2_act.getUnit());
assertEquals(test2_exp.getAmount(), test2_act.getAmount());
}
/**
* testet die Multiplikation mit der gleichen Einheit .
*
* @throws PersistenceException
* @throws NotComputableException
*/
@Test
public void testBasicCalculation_Same_Unit_mul()
throws PersistenceException, NotComputableException {
final PersistentQuantity two = quanMan.createQuantity(meter, Fraction.parse("2"));
final PersistentQuantity eight = quanMan.createQuantity(meter, Fraction.parse("8"));
/*
* Test 1: 2m * 8m = 16m^2 (simple)
*/
final PersistentQuantity test1_act = (PersistentQuantity) quanMan.mul(two, eight);
final PersistentQuantity test1_exp = quanMan.createQuantity(squareMeter, Fraction.parse("16"));
assertEquals(test1_exp.getUnit(), test1_act.getUnit());
assertEquals(test1_exp.getAmount(), test1_act.getAmount());
}
protected void setThis(final PersistentQuantityManager newValue) throws PersistenceException {
if (newValue == null) throw new PersistenceException("Null values not allowed!", 0);
if (newValue.equals(this)) {
this.This = null;
return;
}
if (newValue.equals(this.This)) return;
final long objectId = newValue.getId();
final long classId = newValue.getClassId();
this.This = (PersistentQuantityManager) PersistentProxi.createProxi(objectId, classId);
if (!this.isDelayed$Persistence()) {
newValue.store();
ConnectionHandler.getTheConnectionHandler()
.theQuantityManagerFacade
.ThisSet(this.getId(), newValue);
}
}
/**
* testet die Addition mit der gleichen Einheit.
*
* @throws PersistenceException
* @throws NotComputableException
*/
@Test
public void testBasicCalculation_Same_Unit_add()
throws PersistenceException, NotComputableException {
final PersistentQuantity two = quanMan.createQuantity(meter, Fraction.parse("2"));
final PersistentQuantity minusOne = quanMan.createQuantity(meter, Fraction.parse("-1"));
final PersistentQuantity eight = quanMan.createQuantity(meter, Fraction.parse("8"));
/*
* Test 1: -1 +2 = 1
*/
final PersistentQuantity test1_act = (PersistentQuantity) quanMan.add(minusOne, two);
final PersistentQuantity test1_exp = quanMan.createQuantity(meter, Fraction.parse("1"));
assertEquals(test1_exp.getUnit(), test1_act.getUnit());
assertEquals(test1_exp.getAmount(), test1_act.getAmount());
/*
* Test 2: 8 + -1 = 7
*/
final PersistentQuantity test2_act = (PersistentQuantity) quanMan.add(eight, minusOne);
final PersistentQuantity test2_exp = quanMan.createQuantity(meter, Fraction.parse("7"));
assertEquals(test1_exp.getUnit(), test1_act.getUnit());
assertEquals(test1_exp.getAmount(), test1_act.getAmount());
}