QueryEvaluationIteration.java

package org.neo4j.rdf.sail.utils;

import info.aduna.iteration.CloseableIteration;
import org.openrdf.model.Statement;
import org.openrdf.query.QueryEvaluationException;
import org.openrdf.sail.SailException;

public class QueryEvaluationIteration implements CloseableIteration<Statement, QueryEvaluationException> {
    private CloseableIteration<? extends Statement, SailException> baseIteration;

    public QueryEvaluationIteration(final CloseableIteration<? extends Statement, SailException> baseIteration) {
        this.baseIteration = baseIteration;
    }

    public void close() throws QueryEvaluationException {
        try {
            baseIteration.close();
        }

        catch (SailException e) {
            throw new QueryEvaluationException(e);
        }
    }

    public boolean hasNext() throws QueryEvaluationException {
        try {
            return baseIteration.hasNext();
        }

        catch (SailException e) {
            throw new QueryEvaluationException(e);
        }
    }

    public Statement next() throws QueryEvaluationException {
        try {
            return baseIteration.next();
        }

        catch (SailException e) {
            throw new QueryEvaluationException(e);
        }
    }

    public void remove() throws QueryEvaluationException {
        try {
            baseIteration.remove();
        }

        catch (SailException e) {
            throw new QueryEvaluationException(e);
        }
    }
}