org.sql2o.DelegatingResultSetHandler Maven / Gradle / Ivy

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Operate the database like a stream

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package org.sql2o;

import java.sql.ResultSet;
import java.sql.SQLException;

/**
 * User: dimzon
 * Date: 4/7/14
 * Time: 11:06 PM
 */
public class DelegatingResultSetHandler implements ResultSetHandler {
    private volatile ResultSetHandler inner = null;
    private final ResultSetHandlerFactory factory;

    public DelegatingResultSetHandler(ResultSetHandlerFactory factory) {
        this.factory = factory;
    }

    public E handle(ResultSet resultSet) throws SQLException {
        if(inner==null) inner = factory.newResultSetHandler(resultSet.getMetaData());
        return inner.handle(resultSet);
    }
}