OccurrenceReference.java

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package br.ufrgs.inf.prosoft.memoizeit;

import br.ufrgs.inf.prosoft.trace.TraceConcrete;
import br.ufrgs.inf.prosoft.trace.Traces;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

/**
 *
 * @author romulo
 */
public class OccurrenceReference extends Occurrence {

    private final int index;
    private OccurrenceConcrete occurrenceConcrete;

    public OccurrenceReference(int index, String instance, long startTime, long endTime) {
        super(instance, startTime, endTime);
        this.index = index;
    }

    @Override
    public Object getReturnValue() {
        if (this.occurrenceConcrete != null) {
            return this.occurrenceConcrete.getReturnValue();
        }
        TraceConcrete traceConcrete = Traces.getTraceConcrete(this.index);
        if (traceConcrete != null && traceConcrete.getReturn() != null) {
            return traceConcrete.getReturn().getData();
        }
        return null;
    }

    @Override
    public List<Parameter> getParameters() {
        if (this.occurrenceConcrete != null) {
            return this.occurrenceConcrete.getParameters();
        }
        TraceConcrete traceConcrete = Traces.getTraceConcrete(this.index);
        if (traceConcrete != null && traceConcrete.getParameters() != null) {
            return traceConcrete.getParameters().stream()
                    .map(parameter -> new Parameter(parameter.getType(), parameter.getData()))
                    .collect(Collectors.toList());
        }
        return new ArrayList<>();
    }

    @Override
    public OccurrenceConcrete getConcrete() {
        TraceConcrete traceConcrete = Traces.getTraceConcrete(this.index);
        Object returnValue = null;
        List<Parameter> parameters = new ArrayList<>();
        if (traceConcrete != null) {
            returnValue = traceConcrete.getReturn().getData();
            parameters = traceConcrete.getParameters().stream()
                    .map(parameter -> new Parameter(parameter.getType(), parameter.getData()))
                    .collect(Collectors.toList());
        }
        return new OccurrenceConcrete(getInstance(), returnValue, parameters, getStartTime(), getEndTime());
    }

    @Override
    public OccurrenceConcrete loadConcrete() {
        this.occurrenceConcrete = getConcrete();
        return this.occurrenceConcrete;
    }

    public OccurrenceReference cleanConcrete() {
        this.occurrenceConcrete = null;
        return this;
    }

}