SimpleResultProvider.java

package org.openlca.core.results;

import java.util.ArrayList;
import java.util.List;
import org.openlca.core.database.EntityCache;
import org.openlca.core.matrix.FlowIndex;
import org.openlca.core.model.descriptors.FlowDescriptor;
import org.openlca.core.model.descriptors.ImpactCategoryDescriptor;

public class SimpleResultProvider<T extends SimpleResult> extends
		BaseResultProvider<T> {

	public SimpleResultProvider(T result, EntityCache cache) {
		super(result, cache);
	}

	/**
	 * Returns the flow results of the inventory results.
	 */
	public List<FlowResult> getTotalFlowResults() {
		FlowIndex index = result.flowIndex;
		List<FlowResult> results = new ArrayList<>();
		for (FlowDescriptor d : getFlowDescriptors()) {
			double val = result.getTotalFlowResult(d.getId());
			FlowResult r = new FlowResult();
			r.flow = d;
			r.input = index.isInput(d.getId());
			r.value = adoptFlowResult(val, d.getId());
			results.add(r);
		}
		return results;
	}

	public FlowResult getTotalFlowResult(FlowDescriptor flow) {
		FlowIndex index = result.flowIndex;
		long flowId = flow.getId();
		FlowResult r = new FlowResult();
		r.flow = flow;
		r.input = index.isInput(flowId);
		double val = result.getTotalFlowResult(flow.getId());
		r.value = adoptFlowResult(val, flowId);
		return r;
	}

	/** Switches the sign for input-flows. */
	protected double adoptFlowResult(double value, long flowId) {
		if (value == 0)
			return 0; // avoid -0 in the results
		boolean inputFlow = result.flowIndex.isInput(flowId);
		return inputFlow ? -value : value;
	}

	public ImpactResult getTotalImpactResult(ImpactCategoryDescriptor impact) {
		double val = result.getTotalImpactResult(impact.getId());
		ImpactResult r = new ImpactResult();
		r.impactCategory = impact;
		r.value = val;
		return r;
	}

	/**
	 * Returns the impact category results for the given result. In contrast to
	 * the flow results, entries are also generated for 0-values.
	 */
	public List<ImpactResult> getTotalImpactResults() {
		List<ImpactResult> results = new ArrayList<>();
		for (ImpactCategoryDescriptor d : getImpactDescriptors()) {
			ImpactResult r = getTotalImpactResult(d);
			results.add(r);
		}
		return results;
	}

	public double getTotalCostResult() {
		return result.totalCostResult;
	}
}