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• DataReader.java

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org.xbib.jdbc.io.DataReader Maven / Gradle / Ivy

package org.xbib.jdbc.io;

import java.sql.SQLException;
import java.util.Map;

/**
 *
 */
public abstract class DataReader {
    public static final int DEFAULT_COLUMN_SIZE = 20;

    public DataReader() {
        super();
    }

    abstract public boolean next() throws SQLException;

    abstract public String[] getColumnNames() throws SQLException;

    abstract public Object getField(int i) throws SQLException;

    abstract public void close() throws SQLException;

    abstract public Map getEnvironment() throws SQLException;

    abstract public String[] getColumnTypes() throws SQLException;

    abstract public int[] getColumnSizes() throws SQLException;

    abstract public String getTableAlias();
}