Package com.salesforce.phoenix.iterate

Source Code of com.salesforce.phoenix.iterate.ScanningResultIterator

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package com.salesforce.phoenix.iterate;

import java.io.IOException;
import java.sql.SQLException;
import java.util.List;

import org.apache.hadoop.hbase.client.Result;
import org.apache.hadoop.hbase.client.ResultScanner;

import com.salesforce.phoenix.schema.tuple.ResultTuple;
import com.salesforce.phoenix.schema.tuple.Tuple;
import com.salesforce.phoenix.util.ServerUtil;


public class ScanningResultIterator implements ResultIterator {
    private final ResultScanner scanner;
   
    public ScanningResultIterator(ResultScanner scanner) {
        this.scanner = scanner;
    }
   
    @Override
    public void close() throws SQLException {
        scanner.close();
    }

    @Override
    public Tuple next() throws SQLException {
        try {
            Result result = scanner.next();
            // TODO: use ResultTuple.setResult(result)
            // Need to create a new one if holding on to it (i.e. OrderedResultIterator)
            return result == null ? null : new ResultTuple(result);
        } catch (IOException e) {
            throw ServerUtil.parseServerException(e);
        }
    }

    @Override
    public void explain(List<String> planSteps) {
    }
}
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