AbstractResultSet.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.xenei.jdbc4sparql.impl;

import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.URL;
import java.sql.Array;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Date;
import java.sql.NClob;
import java.sql.Ref;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.RowId;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Statement;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.Calendar;
import java.util.HashMap;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xenei.jdbc4sparql.J4SResultSetMetaData;
import org.xenei.jdbc4sparql.iface.Column;
import org.xenei.jdbc4sparql.iface.Table;
import org.xenei.jdbc4sparql.iface.TypeConverter;

public abstract class AbstractResultSet implements ResultSet {
	private final Table table;
	private final Map<String, Integer> columnNameIdx;
	private int fetchDirection;
	private final int holdability;
	protected int concurrency;

	private final Statement statement;

	private Boolean lastReadWasNull;

	private static Logger LOG = LoggerFactory
			.getLogger(AbstractResultSet.class);

	public AbstractResultSet(final Table table) {
		this(table, null);
	}

	public AbstractResultSet(final Table table, final Statement statement) {
		if (table == null) {
			throw new IllegalArgumentException("Table may not be null");
		}
		this.table = table;
		this.statement = statement;
		this.fetchDirection = ResultSet.FETCH_FORWARD;
		this.holdability = ResultSet.CLOSE_CURSORS_AT_COMMIT;
		this.concurrency = ResultSet.CONCUR_READ_ONLY;
		columnNameIdx = new HashMap<String, Integer>();
		for (int i = 0; i < table.getColumnCount(); i++) {
			// FIXME change to withSegments( table.getSegments() ).getDBName()
			columnNameIdx.put(table.getColumn(i).getName().getShortName(), i);
		}
	}

	protected void checkColumn(final int columnOrdinal) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("checkColumn: {} ", columnOrdinal);
		}

		if (!isValidColumn(columnOrdinal)) {
			throw new SQLException("Invalid column ordinal: " + columnOrdinal);
		}
	}

	protected void checkType(final int idx, final int type) throws SQLException {
		final Column c = getColumn(idx);
		if (c.getColumnDef().getType() != type) {
			throw new SQLException("Column type (" + c.getColumnDef().getType()
					+ ") is not " + type);
		}
	}

	private <T> T extractData(final int columnIdx, final Class<T> resultingClass)
			throws SQLException {
		return TypeConverter.extractData(getObject(columnIdx + 1),
				resultingClass);
	}

	@Override
	public int findColumn(final String columnName) throws SQLException {
		final Integer idx = columnNameIdx.get(columnName);
		if (idx == null) {
			throw new SQLException(columnName + " is not a column");
		}
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("{} is at column {}", columnName, idx);
		}
		return idx;
	}

	@Override
	public Array getArray(final int columnOrdinal) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public Array getArray(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting Array {}", columnLabel);
		}
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public InputStream getAsciiStream(final int columnOrdinal)
			throws SQLException {
		return extractData(columnOrdinal - 1, InputStream.class);
	}

	@Override
	public InputStream getAsciiStream(final String columnLabel)
			throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting ASCII stream {}", columnLabel);
		}
		return extractData(getColumnIndex(columnLabel), InputStream.class);
	}

	@Override
	public BigDecimal getBigDecimal(final int columnOrdinal)
			throws SQLException {
		return extractData(columnOrdinal - 1, BigDecimal.class);
	}

	@Override
	public BigDecimal getBigDecimal(final int columnOrdinal, final int scale)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public BigDecimal getBigDecimal(final String columnLabel)
			throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting Big Decimal {}", columnLabel);
		}
		return extractData(getColumnIndex(columnLabel), BigDecimal.class);
	}

	@Override
	public BigDecimal getBigDecimal(final String columnLabel, final int scale)
			throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting Big Decimal {} with scale {}",
					columnLabel, scale);
		}
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public InputStream getBinaryStream(final int columnOrdinal)
			throws SQLException {
		return extractData(columnOrdinal - 1, InputStream.class);
	}

	@Override
	public InputStream getBinaryStream(final String columnLabel)
			throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG
					.debug("getting binary stream {}", columnLabel);
		}
		return extractData(getColumnIndex(columnLabel), InputStream.class);
	}

	@Override
	public Blob getBlob(final int columnOrdinal) throws SQLException {
		return extractData(columnOrdinal - 1, Blob.class);
	}

	@Override
	public Blob getBlob(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting BLOB {}", columnLabel);
		}
		return extractData(getColumnIndex(columnLabel), Blob.class);
	}

	@Override
	public boolean getBoolean(final int columnOrdinal) throws SQLException {
		return extractData(columnOrdinal - 1, Boolean.class);
	}

	@Override
	public boolean getBoolean(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting Boolean {}", columnLabel);
		}
		return extractData(getColumnIndex(columnLabel), Boolean.class);
	}

	@Override
	public byte getByte(final int columnOrdinal) throws SQLException {
		return extractData(columnOrdinal - 1, Byte.class);
	}

	@Override
	public byte getByte(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting Byte {}", columnLabel);
		}
		return extractData(getColumnIndex(columnLabel), Byte.class);
	}

	@Override
	public byte[] getBytes(final int columnOrdinal) throws SQLException {
		return extractData(columnOrdinal - 1, byte[].class);
	}

	@Override
	public byte[] getBytes(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting bytes {}", columnLabel);
		}
		return extractData(getColumnIndex(columnLabel), byte[].class);
	}

	@Override
	public Reader getCharacterStream(final int columnOrdinal)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public Reader getCharacterStream(final String columnLabel)
			throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting CharacterStream {}",
					columnLabel);
		}
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public Clob getClob(final int columnOrdinal) throws SQLException {
		return extractData(columnOrdinal - 1, Clob.class);
	}

	@Override
	public Clob getClob(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting CLOB {}", columnLabel);
		}
		return extractData(getColumnIndex(columnLabel), Clob.class);
	}

	/**
	 * Return the column at the ordinal location idx (e.g. 1 based).
	 *
	 * @param idx
	 * @return The column
	 * @throws SQLException
	 */
	protected Column getColumn(final int idx) throws SQLException {
		checkColumn(idx);
		return table.getColumn(idx - 1);
	}

	protected Column getColumn(final String name) throws SQLException {
		return table.getColumn(name);
	}

	private int getColumnIndex(final String columnLabel) throws SQLException {
		final int i = columnNameIdx.get(columnLabel);// table.getColumnIndex(columnLabel);
		if (i < 0) {
			throw new SQLException(String.format(
					"%s is not found in result set", columnLabel));
		}
		return i;
	}

	@Override
	public int getConcurrency() throws SQLException {
		return concurrency;
	}

	@Override
	public String getCursorName() throws SQLException {
		return NameUtils.getCursorName(table);
	}

	@Override
	public Date getDate(final int columnOrdinal) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public Date getDate(final int columnOrdinal, final Calendar cal)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public Date getDate(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting Date {}", columnLabel);
		}
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public Date getDate(final String columnLabel, final Calendar cal)
			throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting Date {} in Calendar {}",
					columnLabel, cal);
		}
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public double getDouble(final int columnOrdinal) throws SQLException {
		return extractData(columnOrdinal - 1, Double.class);
	}

	@Override
	public double getDouble(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting Double {}", columnLabel);
		}
		return extractData(getColumnIndex(columnLabel), Double.class);
	}

	@Override
	public int getFetchDirection() throws SQLException {
		return fetchDirection;
	}

	@Override
	public int getFetchSize() throws SQLException {
		return Integer.MAX_VALUE;
	}

	@Override
	public float getFloat(final int columnOrdinal) throws SQLException {
		return extractData(columnOrdinal - 1, Float.class);
	}

	@Override
	public float getFloat(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting float {}", columnLabel);
		}
		return extractData(getColumnIndex(columnLabel), Float.class);
	}

	@Override
	public int getHoldability() throws SQLException {
		return holdability;
	}

	@Override
	public int getInt(final int columnOrdinal) throws SQLException {
		return extractData(columnOrdinal - 1, Integer.class);
	}

	@Override
	public int getInt(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting int {}", columnLabel);
		}
		return extractData(getColumnIndex(columnLabel), Integer.class);
	}

	@Override
	public long getLong(final int columnOrdinal) throws SQLException {
		return extractData(columnOrdinal - 1, Long.class);
	}

	@Override
	public long getLong(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting long {}", columnLabel);
		}
		return extractData(getColumnIndex(columnLabel), Long.class);
	}

	@Override
	public ResultSetMetaData getMetaData() throws SQLException {
		return new J4SResultSetMetaData(table);
	}

	@Override
	public Reader getNCharacterStream(final int columnOrdinal)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public Reader getNCharacterStream(final String columnLabel)
			throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting N Character Stream {}",
					columnLabel);
		}
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public NClob getNClob(final int columnOrdinal) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public NClob getNClob(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting N CLOB {}", columnLabel);
		}
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public String getNString(final int columnOrdinal) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public String getNString(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting N String {}", columnLabel);
		}
		throw new SQLFeatureNotSupportedException();
	}

	/**
	 * Return the data object for the column from the dataset.
	 */
	@Override
	public Object getObject(final int columnOrdinal) throws SQLException {
		final Object retval = readObject(columnOrdinal);
		lastReadWasNull = retval == null;
		return retval;
	}

	@Override
	public <T> T getObject(final int columnOrdinal, final Class<T> type)
			throws SQLException {
		return extractData(columnOrdinal - 1, type);
	}

	@Override
	public Object getObject(final int columnOrdinal,
			final Map<String, Class<?>> map) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public Object getObject(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting Object {}", columnLabel);
		}
		return getObject(getColumnIndex(columnLabel) + 1);
	}

	@Override
	public <T> T getObject(final String columnLabel, final Class<T> type)
			throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting Object {} of type {}",
					columnLabel, type);
		}
		return extractData(getColumnIndex(columnLabel), type);
	}

	@Override
	public Object getObject(final String columnLabel,
			final Map<String, Class<?>> map) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting String {} of types {}",
					columnLabel, map);
		}
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public Ref getRef(final int columnOrdinal) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public Ref getRef(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting Ref {}", columnLabel);
		}
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public RowId getRowId(final int columnOrdinal) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public RowId getRowId(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting RowId {}", columnLabel);
		}
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public short getShort(final int columnOrdinal) throws SQLException {
		return extractData(columnOrdinal - 1, Short.class);
	}

	@Override
	public short getShort(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting short {}", columnLabel);
		}
		return extractData(getColumnIndex(columnLabel), Short.class);
	}

	@Override
	public SQLXML getSQLXML(final int columnOrdinal) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public SQLXML getSQLXML(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting SQL XML {}", columnLabel);
		}
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public Statement getStatement() throws SQLException {
		return statement;
	}

	@Override
	public String getString(final int columnOrdinal) throws SQLException {
		return extractData(columnOrdinal - 1, String.class);
	}

	@Override
	public String getString(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting String {}", columnLabel);
		}
		return extractData(getColumnIndex(columnLabel), String.class);
	}

	protected Table getTable() {
		return table;
	}

	@Override
	public Time getTime(final int columnOrdinal) throws SQLException {
		return extractData(columnOrdinal - 1, Time.class);
	}

	@Override
	public Time getTime(final int columnOrdinal, final Calendar cal)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public Time getTime(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting Time {}", columnLabel);
		}
		return extractData(getColumnIndex(columnLabel), Time.class);
	}

	@Override
	public Time getTime(final String columnLabel, final Calendar cal)
			throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting time {} of calendar type {}",
					columnLabel, cal);
		}
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public Timestamp getTimestamp(final int columnOrdinal) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public Timestamp getTimestamp(final int columnOrdinal, final Calendar cal)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public Timestamp getTimestamp(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting timestamp {}", columnLabel);
		}
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public Timestamp getTimestamp(final String columnLabel, final Calendar cal)
			throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting timestamp {} of calendar {}",
					columnLabel, cal);
		}
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public InputStream getUnicodeStream(final int columnOrdinal)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public InputStream getUnicodeStream(final String columnLabel)
			throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting unicode stream {}",
					columnLabel);
		}
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public URL getURL(final int columnOrdinal) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public URL getURL(final String columnLabel) throws SQLException {
		if (LOG.isDebugEnabled()) {
			AbstractResultSet.LOG.debug("getting URL {}", columnLabel);
		}
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public SQLWarning getWarnings() throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public void insertRow() throws SQLException {
		throw new SQLException("not an updatable result set");
	}

	protected boolean isValidColumn(final int columnOrdinal) {
		return (columnOrdinal > 0) && (columnOrdinal <= table.getColumnCount());
	}

	@Override
	public boolean isWrapperFor(final Class<?> iface) throws SQLException {
		return false;
	}

	@Override
	public void moveToInsertRow() throws SQLException {
		throw new SQLException("not an updatable result set");
	}

	abstract protected Object readObject(int columnOrdinal) throws SQLException;

	@Override
	public void refreshRow() throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public boolean rowDeleted() throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public boolean rowInserted() throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public boolean rowUpdated() throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void setFetchDirection(final int direction) throws SQLException {
		switch (direction) {
			case ResultSet.FETCH_REVERSE:
			case ResultSet.FETCH_FORWARD:
				fetchDirection = direction;
				break;

			default:
				fetchDirection = ResultSet.FETCH_FORWARD;
		}
	}

	@Override
	public void setFetchSize(final int rows) throws SQLException {
		// does nothing
	}

	@Override
	public <T> T unwrap(final Class<T> iface) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateArray(final int columnIndex, final Array x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateArray(final String columnLabel, final Array x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateAsciiStream(final int columnIndex, final InputStream x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateAsciiStream(final int columnIndex, final InputStream x,
			final int length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateAsciiStream(final int columnIndex, final InputStream x,
			final long length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateAsciiStream(final String columnLabel, final InputStream x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateAsciiStream(final String columnLabel,
			final InputStream x, final int length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateAsciiStream(final String columnLabel,
			final InputStream x, final long length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBigDecimal(final int columnIndex, final BigDecimal x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBigDecimal(final String columnLabel, final BigDecimal x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBinaryStream(final int columnIndex, final InputStream x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBinaryStream(final int columnIndex, final InputStream x,
			final int length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBinaryStream(final int columnIndex, final InputStream x,
			final long length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBinaryStream(final String columnLabel, final InputStream x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBinaryStream(final String columnLabel,
			final InputStream x, final int length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBinaryStream(final String columnLabel,
			final InputStream x, final long length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBlob(final int columnIndex, final Blob x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBlob(final int columnIndex, final InputStream inputStream)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBlob(final int columnIndex,
			final InputStream inputStream, final long length)
					throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBlob(final String columnLabel, final Blob x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBlob(final String columnLabel,
			final InputStream inputStream) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBlob(final String columnLabel,
			final InputStream inputStream, final long length)
					throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBoolean(final int columnIndex, final boolean x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBoolean(final String columnLabel, final boolean x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateByte(final int columnIndex, final byte x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateByte(final String columnLabel, final byte x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBytes(final int columnIndex, final byte[] x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateBytes(final String columnLabel, final byte[] x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateCharacterStream(final int columnIndex, final Reader x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateCharacterStream(final int columnIndex, final Reader x,
			final int length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateCharacterStream(final int columnIndex, final Reader x,
			final long length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateCharacterStream(final String columnLabel,
			final Reader reader) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateCharacterStream(final String columnLabel,
			final Reader reader, final int length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateCharacterStream(final String columnLabel,
			final Reader reader, final long length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateClob(final int columnIndex, final Clob x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateClob(final int columnIndex, final Reader reader)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateClob(final int columnIndex, final Reader reader,
			final long length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateClob(final String columnLabel, final Clob x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateClob(final String columnLabel, final Reader reader)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateClob(final String columnLabel, final Reader reader,
			final long length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateDate(final int columnIndex, final Date x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateDate(final String columnLabel, final Date x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateDouble(final int columnIndex, final double x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateDouble(final String columnLabel, final double x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateFloat(final int columnIndex, final float x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateFloat(final String columnLabel, final float x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateInt(final int columnIndex, final int x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateInt(final String columnLabel, final int x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateLong(final int columnIndex, final long x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateLong(final String columnLabel, final long x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateNCharacterStream(final int columnIndex, final Reader x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateNCharacterStream(final int columnIndex, final Reader x,
			final long length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateNCharacterStream(final String columnLabel,
			final Reader reader) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateNCharacterStream(final String columnLabel,
			final Reader reader, final long length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateNClob(final int columnIndex, final NClob nClob)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateNClob(final int columnIndex, final Reader reader)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateNClob(final int columnIndex, final Reader reader,
			final long length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateNClob(final String columnLabel, final NClob nClob)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateNClob(final String columnLabel, final Reader reader)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateNClob(final String columnLabel, final Reader reader,
			final long length) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateNString(final int columnIndex, final String nString)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateNString(final String columnLabel, final String nString)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateNull(final int columnIndex) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateNull(final String columnLabel) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateObject(final int columnIndex, final Object x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateObject(final int columnIndex, final Object x,
			final int scaleOrLength) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateObject(final String columnLabel, final Object x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateObject(final String columnLabel, final Object x,
			final int scaleOrLength) throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateRef(final int columnIndex, final Ref x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateRef(final String columnLabel, final Ref x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateRow() throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateRowId(final int columnIndex, final RowId x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateRowId(final String columnLabel, final RowId x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateShort(final int columnIndex, final short x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateShort(final String columnLabel, final short x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateSQLXML(final int columnIndex, final SQLXML xmlObject)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateSQLXML(final String columnLabel, final SQLXML xmlObject)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateString(final int columnIndex, final String x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateString(final String columnLabel, final String x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateTime(final int columnIndex, final Time x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateTime(final String columnLabel, final Time x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateTimestamp(final int columnIndex, final Timestamp x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public void updateTimestamp(final String columnLabel, final Timestamp x)
			throws SQLException {
		throw new SQLFeatureNotSupportedException();
	}

	@Override
	public boolean wasNull() throws SQLException {
		if (lastReadWasNull == null) {
			throw new SQLException(
					"Must read a column before calling wasNull()");
		}
		return lastReadWasNull;
	}

}