/* * JEF - Copyright 2009-2010 Jiyi (mr.jiyi@gmail.com) * * Licensed 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 jef.database.jdbc.result; import java.io.IOException; import java.io.InputStream; import java.io.Reader; import java.io.Writer; 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.SQLWarning; import java.sql.SQLXML; import java.sql.Statement; import java.sql.Time; import java.sql.Timestamp; import java.sql.Types; import java.util.ArrayList; import java.util.Calendar; import java.util.List; import java.util.Map; import javax.persistence.PersistenceException; import javax.sql.rowset.CachedRowSet; import jef.common.log.LogUtil; import jef.database.Condition; import jef.database.DbUtils; import jef.database.dialect.DatabaseDialect; import jef.database.meta.Reference; import jef.database.wrapper.populator.ColumnDescription; import jef.database.wrapper.populator.ColumnMeta; import jef.tools.IOUtils; import jef.tools.StringUtils; /** * IResultSet的最简实现 * @author jiyi * */ public class ResultSetImpl implements IResultSet { protected ResultSet rs; protected DatabaseDialect profile; private ColumnMeta columns; private int total = -1; // -1表示尚未取得 private Map<Reference, List<Condition>> filters; public ResultSetImpl(ResultSet rs, DatabaseDialect profile) { this.rs = rs; this.profile = profile; } public void reset(){ try { rs.beforeFirst(); } catch (SQLException e) { LogUtil.exception(e); } } public Map<Reference, List<Condition>> getFilters() { return filters; } public void setFilters(Map<Reference, List<Condition>> filters) { this.filters = filters; } ResultSetImpl(ResultSet rs, ColumnMeta columns,DatabaseDialect dialect) { this.rs=rs; this.profile=dialect; this.columns=columns; } public ColumnMeta getColumns(){ if(columns==null){ try { this.columns = new ColumnMeta(getMetaData()); } catch (SQLException e) { throw new PersistenceException(e); } } return columns; } public boolean next() { try { return (rs == null) ? false : rs.next(); } catch (SQLException e) { throw DbUtils.toRuntimeException(e); } } public Object getObject(int columnIndex) throws SQLException { return rs.getObject(columnIndex); } public DatabaseDialect getProfile() { return profile; } public void close() throws SQLException { DbUtils.close(rs); } // 输出数据为文本 public int write(Writer writer) { return write(writer, 0); } /** * 输出数据为文本 * * @param writer * @param maxReturn * @throws SQLException * @throws IOException * @return 返回显示的实际结果数 */ public int write(Writer writer, int maxReturn) { int count = 0; int shown = 0; try { while (rs.next()) { count++; if (count <= maxReturn || maxReturn == 0) { List<Object> row = new ArrayList<Object>(); for(ColumnDescription c: getColumns().getColumns()){ switch(c.getType()){ case Types.LONGNVARCHAR: case Types.LONGVARCHAR: case Types.NVARCHAR: case Types.NCHAR: case Types.VARCHAR: case Types.CHAR: row.add(StringUtils.removeChars(rs.getString(c.getN()), '\r','\n')); break; case Types.BIGINT: case Types.INTEGER: case Types.SMALLINT: case Types.TINYINT: case Types.NUMERIC: case Types.DECIMAL: case Types.REAL: case Types.DOUBLE: case Types.FLOAT: row.add(rs.getBigDecimal(c.getN())); break; case Types.BLOB: row.add("[blob]"); break; case Types.CLOB: case Types.NCLOB: Clob lob=rs.getClob(c.getN()); row.add(IOUtils.asString(lob.getCharacterStream())); lob.free(); break; case Types.BOOLEAN: row.add(rs.getBoolean(c.getN())); break; case Types.DATE: row.add(rs.getDate(c.getN())); break; case Types.TIME: row.add(rs.getTime(c.getN())); break; case Types.TIMESTAMP: row.add(rs.getTimestamp(c.getN())); break; case Types.ROWID: byte[] bytes=rs.getRowId(c.getN()).getBytes(); row.add(new String(bytes,"US-ASCII")); break; default: row.add(rs.getObject(c.getN())); break; } } String msg=row.toString(); writer.write(msg); writer.write('\n'); shown++; } else {// 如果要求的数量已经达到到,并且记录总数也已得到,则可以不用再遍历结果集 if (total > -1) break; } } } catch (SQLException e) { LogUtil.exception(e); } catch (IOException e) { LogUtil.exception(e); } if (total == -1) total = count; return shown; } /** * 获取结果集总数 * @return */ public int getTotal() { if(total==-1){ try {// 如果结果是一次性返回的,则获取结果的数量 if(rs instanceof CachedRowSet){ total=((CachedRowSet)rs).size(); }else if (rs.getType() != ResultSet.TYPE_FORWARD_ONLY) {//尝试跳到最后一个结果来计算长度 if (rs.last()) { total = rs.getRow(); rs.beforeFirst(); } else { total = 0; } } } catch (SQLException e) { LogUtil.exception(e); total=-2;//不再计算 } } return total; } public RowId getRowId(int columnIndex) throws SQLException { return rs.getRowId(columnIndex); } public Clob getClob(int columnIndex) throws SQLException { return rs.getClob(columnIndex); } public Blob getBlob(int columnIndex) throws SQLException { return rs.getBlob(columnIndex); } public boolean getBoolean(String columnName) throws SQLException { return rs.getBoolean(columnName); } public double getDouble(String columnName) throws SQLException { return rs.getDouble(columnName); } public float getFloat(String columnName) throws SQLException { return rs.getFloat(columnName); } public long getLong(String columnName) throws SQLException { return rs.getLong(columnName); } public int getInt(String columnName) throws SQLException { return rs.getInt(columnName); } public Clob getClob(String columnName) throws SQLException { return rs.getClob(columnName); } public Blob getBlob(String columnName) throws SQLException { return rs.getBlob(columnName); } public String getString(String columnName) throws SQLException { return rs.getString(columnName); } public Timestamp getTimestamp(String columnName) throws SQLException { return rs.getTimestamp(columnName); } public Time getTime(String columnName) throws SQLException { return rs.getTime(columnName); } public Date getDate(String columnName) throws SQLException { return rs.getDate(columnName); } public Object getObject(String columnName) throws SQLException { return rs.getObject(columnName); } public boolean getBoolean(int i) throws SQLException { return rs.getBoolean(i); } public double getDouble(int i) throws SQLException { return rs.getDouble(i); } public float getFloat(int i) throws SQLException { return rs.getFloat(i); } public long getLong(int i) throws SQLException { return rs.getLong(i); } public int getInt(int i) throws SQLException { return rs.getInt(i); } public String getString(int i) throws SQLException { return rs.getString(i); } public Timestamp getTimestamp(int i) throws SQLException { return rs.getTimestamp(i); } public Time getTime(int i) throws SQLException { return rs.getTime(i); } public byte[] getBytes(int columnIndex) throws SQLException { return rs.getBytes(columnIndex); } public Date getDate(int i) throws SQLException { return rs.getDate(i); } public void moveToInsertRow() throws SQLException { rs.moveToInsertRow(); } public void deleteRow() throws SQLException { rs.deleteRow(); } public void updateRow() throws SQLException { rs.updateRow(); } public void updateNull(String columnName) throws SQLException { rs.updateNull(columnName); } public void updateObject(String columnName, Object value) throws SQLException { rs.updateObject(columnName, value); } public void beforeFirst() throws SQLException { rs.beforeFirst(); } public boolean first() throws SQLException { return rs.first(); } public boolean previous() throws SQLException { return rs.previous(); } public void afterLast() throws SQLException { rs.afterLast(); } public void insertRow() throws SQLException { rs.insertRow(); } public boolean isClosed() throws SQLException { return rs == null || rs.isClosed(); } public ResultSet get() { return rs; } public InputStream getBinaryStream(int columnIndex) throws SQLException { return rs.getBinaryStream(columnIndex); } @SuppressWarnings("deprecation") public InputStream getUnicodeStream(int columnIndex) throws SQLException { return rs.getUnicodeStream(columnIndex); } public InputStream getAsciiStream(int columnIndex) throws SQLException { return rs.getAsciiStream(columnIndex); } public short getShort(int columnIndex) throws SQLException { return rs.getShort(columnIndex); } public byte getByte(int columnIndex) throws SQLException { return rs.getByte(columnIndex); } public void updateClob(int columnIndex, Reader reader) throws SQLException { rs.updateClob(columnIndex, reader); } public void updateBlob(int columnIndex, InputStream inputStream) throws SQLException { rs.updateBlob(columnIndex, inputStream); } public void updateNull(int columnIndex) throws SQLException { rs.updateNull(columnIndex); } public void updateClob(String columnLabel, Reader reader, long length) throws SQLException { rs.updateClob(columnLabel, reader, length); } public void updateClob(int columnIndex, Reader reader, long length) throws SQLException { rs.updateClob(columnIndex, reader, length); } public void updateBlob(String columnLabel, InputStream inputStream, long length) throws SQLException { rs.updateBlob(columnLabel, inputStream,length); } public void updateSQLXML(String columnLabel, SQLXML xmlObject) throws SQLException { rs.updateSQLXML(columnLabel, xmlObject); } public void updateSQLXML(int columnIndex, SQLXML xmlObject) throws SQLException { rs.updateSQLXML(columnIndex, xmlObject); } public SQLXML getSQLXML(int columnIndex) throws SQLException { return rs.getSQLXML(columnIndex); } public void updateBlob(int columnIndex, InputStream inputStream, long length) throws SQLException { rs.updateBlob(columnIndex, inputStream, length); } public void updateObject(int columnIndex, Object x) throws SQLException { rs.updateObject(columnIndex, x); } @Override public ResultSetMetaData getMetaData() throws SQLException { return rs.getMetaData(); } @Override public Reader getCharacterStream(int columnIndex) throws SQLException { return rs.getCharacterStream(columnIndex); } @Override public Reader getCharacterStream(String columnLabel) throws SQLException { return rs.getCharacterStream(columnLabel); } @Override public boolean wasNull() throws SQLException { return rs.wasNull(); } @SuppressWarnings("deprecation") @Override public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException { return rs.getBigDecimal(columnIndex,scale); } @Override public byte getByte(String columnLabel) throws SQLException { return rs.getByte(columnLabel); } @Override public short getShort(String columnLabel) throws SQLException { return rs.getShort(columnLabel); } @SuppressWarnings("deprecation") @Override public BigDecimal getBigDecimal(String columnLabel, int scale) throws SQLException { return rs.getBigDecimal(columnLabel,scale); } @Override public byte[] getBytes(String columnLabel) throws SQLException { return rs.getBytes(columnLabel); } @Override public InputStream getAsciiStream(String columnLabel) throws SQLException { return rs.getAsciiStream(columnLabel); } @SuppressWarnings("deprecation") @Override public InputStream getUnicodeStream(String columnLabel) throws SQLException { return rs.getUnicodeStream(columnLabel); } @Override public InputStream getBinaryStream(String columnLabel) throws SQLException { return rs.getBinaryStream(columnLabel); } @Override public SQLWarning getWarnings() throws SQLException { return rs.getWarnings(); } @Override public void clearWarnings() throws SQLException { rs.clearWarnings(); } @Override public String getCursorName() throws SQLException { return rs.getCursorName(); } @Override public int findColumn(String columnLabel) throws SQLException { return rs.findColumn(columnLabel); } @Override public BigDecimal getBigDecimal(int columnIndex) throws SQLException { return rs.getBigDecimal(columnIndex); } @Override public BigDecimal getBigDecimal(String columnLabel) throws SQLException { return rs.getBigDecimal(columnLabel); } @Override public boolean isBeforeFirst() throws SQLException { return rs.isBeforeFirst(); } @Override public boolean isAfterLast() throws SQLException { return rs.isAfterLast(); } @Override public boolean isFirst() throws SQLException { return rs.isFirst(); } @Override public boolean isLast() throws SQLException { return rs.isLast(); } @Override public boolean last() throws SQLException { return rs.last(); } @Override public int getRow() throws SQLException { return rs.getRow(); } @Override public boolean absolute(int row) throws SQLException { return rs.absolute(row); } @Override public boolean relative(int rows) throws SQLException { return rs.relative(rows); } @Override public void setFetchDirection(int direction) throws SQLException { rs.setFetchDirection(direction); } @Override public int getFetchDirection() throws SQLException { return rs.getFetchDirection(); } @Override public void setFetchSize(int rows) throws SQLException { rs.setFetchSize(rows); } @Override public int getFetchSize() throws SQLException { return rs.getFetchSize(); } @Override public int getType() throws SQLException { return rs.getType(); } @Override public int getConcurrency() throws SQLException { return rs.getConcurrency(); } @Override public boolean rowUpdated() throws SQLException { return rs.rowUpdated(); } @Override public boolean rowInserted() throws SQLException { return rs.rowInserted(); } @Override public boolean rowDeleted() throws SQLException { return rs.rowDeleted(); } @Override public void updateBoolean(int columnIndex, boolean x) throws SQLException { rs.updateBoolean(columnIndex, x); } @Override public void updateByte(int columnIndex, byte x) throws SQLException { rs.updateByte(columnIndex, x); } @Override public void updateShort(int columnIndex, short x) throws SQLException { rs.updateShort(columnIndex, x); } @Override public void updateInt(int columnIndex, int x) throws SQLException { rs.updateInt(columnIndex, x); } @Override public void updateLong(int columnIndex, long x) throws SQLException { rs.updateLong(columnIndex, x); } @Override public void updateFloat(int columnIndex, float x) throws SQLException { rs.updateFloat(columnIndex, x); } @Override public void updateDouble(int columnIndex, double x) throws SQLException { rs.updateDouble(columnIndex, x); } @Override public void updateBigDecimal(int columnIndex, BigDecimal x) throws SQLException { rs.updateBigDecimal(columnIndex, x); } @Override public void updateString(int columnIndex, String x) throws SQLException { rs.updateString(columnIndex, x); } @Override public void updateBytes(int columnIndex, byte[] x) throws SQLException { rs.updateBytes(columnIndex, x); } @Override public void updateDate(int columnIndex, Date x) throws SQLException { rs.updateDate(columnIndex, x); } @Override public void updateTime(int columnIndex, Time x) throws SQLException { rs.updateTime(columnIndex, x); } @Override public void updateTimestamp(int columnIndex, Timestamp x) throws SQLException { rs.updateTimestamp(columnIndex, x); } @Override public void updateAsciiStream(int columnIndex, InputStream x, int length) throws SQLException { rs.updateAsciiStream(columnIndex, x); } @Override public void updateBinaryStream(int columnIndex, InputStream x, int length) throws SQLException { rs.updateAsciiStream(columnIndex, x); } @Override public void updateCharacterStream(int columnIndex, Reader x, int length) throws SQLException { rs.updateCharacterStream(columnIndex, x); } @Override public void updateObject(int columnIndex, Object x, int scaleOrLength) throws SQLException { rs.updateObject(columnIndex, x); } @Override public void updateBoolean(String columnLabel, boolean x) throws SQLException { rs.updateBoolean(columnLabel, x); } @Override public void updateByte(String columnLabel, byte x) throws SQLException { rs.updateByte(columnLabel, x); } @Override public void updateShort(String columnLabel, short x) throws SQLException { rs.updateShort(columnLabel, x); } @Override public void updateInt(String columnLabel, int x) throws SQLException { rs.updateInt(columnLabel, x); } @Override public void updateLong(String columnLabel, long x) throws SQLException { rs.updateLong(columnLabel, x); } @Override public void updateFloat(String columnLabel, float x) throws SQLException { rs.updateFloat(columnLabel, x); } @Override public void updateDouble(String columnLabel, double x) throws SQLException { rs.updateDouble(columnLabel, x); } @Override public void updateBigDecimal(String columnLabel, BigDecimal x) throws SQLException { rs.updateBigDecimal(columnLabel, x); } @Override public void updateString(String columnLabel, String x) throws SQLException { rs.updateString(columnLabel, x); } @Override public void updateBytes(String columnLabel, byte[] x) throws SQLException { rs.updateBytes(columnLabel, x); } @Override public void updateDate(String columnLabel, Date x) throws SQLException { rs.updateDate(columnLabel, x); } @Override public void updateTime(String columnLabel, Time x) throws SQLException { rs.updateTime(columnLabel, x); } @Override public void updateTimestamp(String columnLabel, Timestamp x) throws SQLException { rs.updateTimestamp(columnLabel, x); } @Override public void updateAsciiStream(String columnLabel, InputStream x, int length) throws SQLException { rs.updateAsciiStream(columnLabel, x,length); } @Override public void updateBinaryStream(String columnLabel, InputStream x, int length) throws SQLException { rs.updateBinaryStream(columnLabel, x,length); } @Override public void updateCharacterStream(String columnLabel, Reader reader, int length) throws SQLException { rs.updateCharacterStream(columnLabel,reader,length); } @Override public void updateObject(String columnLabel, Object x, int scaleOrLength) throws SQLException { rs.updateObject(columnLabel, x,scaleOrLength); } @Override public void refreshRow() throws SQLException { rs.refreshRow(); } @Override public void cancelRowUpdates() throws SQLException { rs.cancelRowUpdates(); } @Override public void moveToCurrentRow() throws SQLException { rs.moveToCurrentRow(); } @Override public Statement getStatement() throws SQLException { return rs.getStatement(); } @Override public Object getObject(int columnIndex, Map<String, Class<?>> map) throws SQLException { return rs.getObject(columnIndex, map); } @Override public Ref getRef(int columnIndex) throws SQLException { return rs.getRef(columnIndex); } @Override public Array getArray(int columnIndex) throws SQLException { return rs.getArray(columnIndex); } @Override public Object getObject(String columnLabel, Map<String, Class<?>> map) throws SQLException { return rs.getObject(columnLabel,map); } @Override public Ref getRef(String columnLabel) throws SQLException { return rs.getRef(columnLabel); } @Override public Array getArray(String columnLabel) throws SQLException { return rs.getArray(columnLabel); } @Override public Date getDate(int columnIndex, Calendar cal) throws SQLException { return rs.getDate(columnIndex,cal); } @Override public Date getDate(String columnLabel, Calendar cal) throws SQLException { return rs.getDate(columnLabel,cal); } @Override public Time getTime(int columnIndex, Calendar cal) throws SQLException { return rs.getTime(columnIndex,cal); } @Override public Time getTime(String columnLabel, Calendar cal) throws SQLException { return rs.getTime(columnLabel,cal); } @Override public Timestamp getTimestamp(int columnIndex, Calendar cal) throws SQLException { return rs.getTimestamp(columnIndex,cal); } @Override public Timestamp getTimestamp(String columnLabel, Calendar cal) throws SQLException { return rs.getTimestamp(columnLabel,cal); } @Override public URL getURL(int columnIndex) throws SQLException { return rs.getURL(columnIndex); } @Override public URL getURL(String columnLabel) throws SQLException { return rs.getURL(columnLabel); } @Override public void updateRef(int columnIndex, Ref x) throws SQLException { rs.updateRef(columnIndex,x); } @Override public void updateRef(String columnLabel, Ref x) throws SQLException { rs.updateRef(columnLabel,x); } @Override public void updateBlob(int columnIndex, Blob x) throws SQLException { rs.updateBlob(columnIndex,x); } @Override public void updateBlob(String columnLabel, Blob x) throws SQLException { rs.updateBlob(columnLabel,x); } @Override public void updateClob(int columnIndex, Clob x) throws SQLException { rs.updateClob(columnIndex,x); } @Override public void updateClob(String columnLabel, Clob x) throws SQLException { rs.updateClob(columnLabel,x); } @Override public void updateArray(int columnIndex, Array x) throws SQLException { rs.updateArray(columnIndex,x); } @Override public void updateArray(String columnLabel, Array x) throws SQLException { rs.updateArray(columnLabel,x); } @Override public RowId getRowId(String columnLabel) throws SQLException { return rs.getRowId(columnLabel); } @Override public void updateRowId(int columnIndex, RowId x) throws SQLException { rs.updateRowId(columnIndex,x); } @Override public void updateRowId(String columnLabel, RowId x) throws SQLException { rs.updateRowId(columnLabel,x); } @Override public int getHoldability() throws SQLException { return rs.getHoldability(); } @Override public void updateNString(int columnIndex, String nString) throws SQLException { rs.updateNString(columnIndex, nString); } @Override public void updateNString(String columnLabel, String nString) throws SQLException { rs.updateNString(columnLabel, nString); } @Override public void updateNClob(int columnIndex, NClob nClob) throws SQLException { rs.updateNClob(columnIndex, nClob); } @Override public void updateNClob(String columnLabel, NClob nClob) throws SQLException { rs.updateNClob(columnLabel, nClob); } @Override public NClob getNClob(int columnIndex) throws SQLException { return rs.getNClob(columnIndex); } @Override public NClob getNClob(String columnLabel) throws SQLException { return rs.getNClob(columnLabel); } @Override public SQLXML getSQLXML(String columnLabel) throws SQLException { return rs.getSQLXML(columnLabel); } @Override public String getNString(int columnIndex) throws SQLException { return rs.getNString(columnIndex); } @Override public String getNString(String columnLabel) throws SQLException { return rs.getNString(columnLabel); } @Override public Reader getNCharacterStream(int columnIndex) throws SQLException { return rs.getNCharacterStream(columnIndex); } @Override public Reader getNCharacterStream(String columnLabel) throws SQLException { return rs.getNCharacterStream(columnLabel); } @Override public void updateNCharacterStream(int columnIndex, Reader x, long length) throws SQLException { rs.updateNCharacterStream(columnIndex, x, length); } @Override public void updateNCharacterStream(String columnLabel, Reader reader, long length) throws SQLException { rs.updateNCharacterStream(columnLabel, reader,length); } @Override public void updateAsciiStream(int columnIndex, InputStream x, long length) throws SQLException { rs.updateAsciiStream(columnIndex, x, length); } @Override public void updateBinaryStream(int columnIndex, InputStream x, long length) throws SQLException { rs.updateBinaryStream(columnIndex, x, length); } @Override public void updateCharacterStream(int columnIndex, Reader x, long length) throws SQLException { rs.updateCharacterStream(columnIndex, x, length); } @Override public void updateAsciiStream(String columnLabel, InputStream x, long length) throws SQLException { rs.updateAsciiStream(columnLabel, x, length); } @Override public void updateBinaryStream(String columnLabel, InputStream x, long length) throws SQLException { rs.updateBinaryStream(columnLabel, x, length); } @Override public void updateCharacterStream(String columnLabel, Reader reader, long length) throws SQLException { rs.updateCharacterStream(columnLabel, reader, length); } @Override public void updateNClob(int columnIndex, Reader reader, long length) throws SQLException { rs.updateNClob(columnIndex, reader, length); } @Override public void updateNClob(String columnLabel, Reader reader, long length) throws SQLException { rs.updateNClob(columnLabel, reader, length); } @Override public void updateNCharacterStream(int columnIndex, Reader x) throws SQLException { rs.updateNClob(columnIndex, x); } @Override public void updateNCharacterStream(String columnLabel, Reader reader) throws SQLException { rs.updateNCharacterStream(columnLabel, reader); } @Override public void updateAsciiStream(int columnIndex, InputStream x) throws SQLException { rs.updateAsciiStream(columnIndex, x); } @Override public void updateBinaryStream(int columnIndex, InputStream x) throws SQLException { rs.updateBinaryStream(columnIndex, x); } @Override public void updateCharacterStream(int columnIndex, Reader x) throws SQLException { rs.updateCharacterStream(columnIndex, x); } @Override public void updateAsciiStream(String columnLabel, InputStream x) throws SQLException { rs.updateAsciiStream(columnLabel, x); } @Override public void updateBinaryStream(String columnLabel, InputStream x) throws SQLException { rs.updateBinaryStream(columnLabel, x); } @Override public void updateCharacterStream(String columnLabel, Reader reader) throws SQLException { rs.updateCharacterStream(columnLabel, reader); } @Override public void updateBlob(String columnLabel, InputStream inputStream) throws SQLException { rs.updateBlob(columnLabel, inputStream); } @Override public void updateClob(String columnLabel, Reader reader) throws SQLException { rs.updateClob(columnLabel, reader); } @Override public void updateNClob(int columnIndex, Reader reader) throws SQLException { rs.updateNClob(columnIndex, reader); } @Override public void updateNClob(String columnLabel, Reader reader) throws SQLException { rs.updateNClob(columnLabel, reader); } @SuppressWarnings("unchecked") @Override public <T> T unwrap(Class<T> iface) throws SQLException { return (T)this; } @Override public boolean isWrapperFor(Class<?> iface) throws SQLException { return false; } @Override public <T> T getObject(int columnIndex, Class<T> type) throws SQLException { return rs.getObject(columnIndex, type); } @Override public <T> T getObject(String columnLabel, Class<T> type) throws SQLException { return rs.getObject(columnLabel, type); } }