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Hi,

I'm calculating product systems' impacts in Java, using directly the olca-core maven module. As far as I know, this should be done like this :

```
ProductSystem system = ...
CalculationSetup setup = new CalculationSetup(CalculationType.
SIMPLE_CALCULATION, system);
setup.impactMethod = ...
SystemCalculator calc = new SystemCalculator(mCache, new DenseSolver());
SimpleResult r = calc.calculateSimple(setup);

```

But, instead of SIMPLE_CALCULATION, I could have used CONTRIBUTION_ANALYSIS or UPSTREAM_ANALYSIS.
Moreover, instead of calculateSimple(), I could have used calculateContributions() or calculateUpstream().

Then, I'm wondering whether the three values of CalculationType can be combined with the three methods of the calculator, or whether SIMPLE_CALCULATION should go with calculateSimple(), and so on. I guess it's the case, but I'm not sure.

Thank you very much in advance for an answer,
Best,

Clement

in openLCA by (660 points)
by (660 points)
Hi,
I hope you will see this but I really would appreciate if you could help me with my question, we are stuck while we don't know how to config the calculation properly.

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