From d0123c54ca7a18cb075064502bdec4961e7eeb79 Mon Sep 17 00:00:00 2001 From: Warren Levy Date: Tue, 11 Apr 2000 09:21:53 +0000 Subject: ObjectStreamException.java: New file. * java/io/ObjectStreamException.java: New file. * java/io/OptionalDataException.java: New file. * java/io/StreamCorruptedException.java: New file. * java/math/BigDecimal.java: New file. * java/sql/CallableStatement.java: New file. * java/sql/Connection.java: New file. * java/sql/DataTruncation.java: New file. * java/sql/DatabaseMetaData.java: New file. * java/sql/Date.java: New file. * java/sql/Driver.java: New file. * java/sql/DriverManager.java: New file. * java/sql/DriverPropertyInfo.java: New file. * java/sql/PreparedStatement.java: New file. * java/sql/ResultSet.java: New file. * java/sql/ResultSetMetaData.java: New file. * java/sql/SQLException.java: New file. * java/sql/SQLWarning.java: New file. * java/sql/Statement.java: New file. * java/sql/Time.java: New file. * java/sql/Timestamp.java: New file. * java/sql/Types.java: New file. * Makefile.am: Added above new files. * Makefile.in: Rebuilt. * mauve-libgcj: Turned on java.math, java.sql and java.security tests. * java/net/MulticastSocket.java (MulticastSocket): Pass values a la DatagramSocket constructor instead of null. java.sql is JDK 1.1 Compliant From-SVN: r33077 --- libjava/java/sql/ResultSet.java | 682 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 682 insertions(+) create mode 100644 libjava/java/sql/ResultSet.java (limited to 'libjava/java/sql/ResultSet.java') diff --git a/libjava/java/sql/ResultSet.java b/libjava/java/sql/ResultSet.java new file mode 100644 index 0000000..d9215ad5 --- /dev/null +++ b/libjava/java/sql/ResultSet.java @@ -0,0 +1,682 @@ +/* ResultSet.java -- A SQL statement result set. + Copyright (C) 1999 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +As a special exception, if you link this library with other files to +produce an executable, this library does not by itself cause the +resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why the +executable file might be covered by the GNU General Public License. */ + + +package java.sql; + +import java.io.InputStream; +import java.io.Reader; +import java.math.BigDecimal; + +/** + * This interface provides access to the data set returned by a SQL + * statement. An instance of this interface is returned by the various + * execution methods in the Statement + * This class models a cursor, which can be stepped through one row at a + * time. Methods are provided for accessing columns by column name or by + * index. + *

+ * Note that a result set is invalidated if the statement that returned + * it is closed. + * + * @author Aaron M. Renn (arenn@urbanophile.com) + */ +public interface ResultSet +{ + +/** + * This method advances to the next row in the result set. Any streams + * open on the current row are closed automatically. + * + * @return true if the next row exists, false + * otherwise. + * + * @exception SQLException If an error occurs. + */ +public abstract boolean +next() throws SQLException; + +/*************************************************************************/ + +/** + * This method closes the result set and frees any associated resources. + * + * @exception SQLException If an error occurs. + */ +public abstract void +close() throws SQLException; + +/*************************************************************************/ + +/** + * This method tests whether the value of the last column that was fetched + * was actually a SQL NULL value. + * + * @return true if the last column fetched was a NULL, + * false otherwise. + * + * @exception SQLException If an error occurs. + */ +public abstract boolean +wasNull() throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * String. + * + * @param index The index of the column to return. + * + * @return The column value as a String. + * + * @exception SQLException If an error occurs. + */ +public abstract String +getString(int index) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * Object. + * + * @param index The index of the column to return. + * + * @return The column value as an Object. + * + * @exception SQLException If an error occurs. + */ +public abstract Object +getObject(int index) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * boolean. + * + * @param index The index of the column to return. + * + * @return The column value as a boolean. + * + * @exception SQLException If an error occurs. + */ +public abstract boolean +getBoolean(int index) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * byte. + * + * @param index The index of the column to return. + * + * @return The column value as a byte. + * + * @exception SQLException If an error occurs. + */ +public abstract byte +getByte(int index) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * short. + * + * @param index The index of the column to return. + * + * @return The column value as a short. + * + * @exception SQLException If an error occurs. + */ +public abstract short +getShort(int index) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * int. + * + * @param index The index of the column to return. + * + * @return The column value as a int. + * + * @exception SQLException If an error occurs. + */ +public abstract int +getInt(int index) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * long. + * + * @param index The index of the column to return. + * + * @return The column value as a long. + * + * @exception SQLException If an error occurs. + */ +public abstract long +getLong(int index) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * float. + * + * @param index The index of the column to return. + * + * @return The column value as a float. + * + * @exception SQLException If an error occurs. + */ +public abstract float +getFloat(int index) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * double. + * + * @param index The index of the column to return. + * + * @return The column value as a double. + * + * @exception SQLException If an error occurs. + */ +public abstract double +getDouble(int index) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * BigDecimal. + * + * @param index The index of the column to return. + * @param scale The number of digits to the right of the decimal to return. + * + * @return The column value as a BigDecimal. + * + * @exception SQLException If an error occurs. + */ +public abstract BigDecimal +getBigDecimal(int index, int scale) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * byte array. + * + * @param index The index of the column to return. + * + * @return The column value as a byte array + * + * @exception SQLException If an error occurs. + */ +public abstract byte[] +getBytes(int index) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * java.sql.Date. + * + * @param index The index of the column to return. + * + * @return The column value as a java.sql.Date. + * + * @exception SQLException If an error occurs. + */ +public abstract java.sql.Date +getDate(int index) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * java.sql.Time. + * + * @param index The index of the column to return. + * + * @return The column value as a java.sql.Time. + * + * @exception SQLException If an error occurs. + */ +public abstract java.sql.Time +getTime(int index) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * java.sql.Timestamp. + * + * @param index The index of the column to return. + * + * @return The column value as a java.sql.Timestamp. + * + * @exception SQLException If an error occurs. + */ +public abstract java.sql.Timestamp +getTimestamp(int index) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as an ASCII + * stream. Note that all the data from this stream must be read before + * fetching the value of any other column. Please also be aware that + * calling next() or close() on this result set + * will close this stream as well. + * + * @param index The index of the column to return. + * + * @return The column value as an ASCII InputStream. + * + * @exception SQLException If an error occurs. + */ +public abstract InputStream +getAsciiStream(int index) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Unicode UTF-8 + * stream. Note that all the data from this stream must be read before + * fetching the value of any other column. Please also be aware that + * calling next() or close() on this result set + * will close this stream as well. + * + * @param index The index of the column to return. + * + * @return The column value as a Unicode UTF-8 InputStream. + * + * @exception SQLException If an error occurs. + */ +public abstract InputStream +getUnicodeStream(int index) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a raw byte + * stream. Note that all the data from this stream must be read before + * fetching the value of any other column. Please also be aware that + * calling next() or close() on this result set + * will close this stream as well. + * + * @param index The index of the column to return. + * + * @return The column value as a raw byte InputStream. + * + * @exception SQLException If an error occurs. + */ +public abstract InputStream +getBinaryStream(int index) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * String. + * + * @param column The name of the column to return. + * + * @return The column value as a String. + * + * @exception SQLException If an error occurs. + */ +public abstract String +getString(String column) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * Object. + * + * @param column The name of the column to return. + * + * @return The column value as an Object. + * + * @exception SQLException If an error occurs. + */ +public abstract Object +getObject(String column) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * boolean. + * + * @param column The name of the column to return. + * + * @return The column value as a boolean. + * + * @exception SQLException If an error occurs. + */ +public abstract boolean +getBoolean(String column) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * byte. + * + * @param column The name of the column to return. + * + * @return The column value as a byte. + * + * @exception SQLException If an error occurs. + */ +public abstract byte +getByte(String column) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * short. + * + * @param column The name of the column to return. + * + * @return The column value as a short. + * + * @exception SQLException If an error occurs. + */ +public abstract short +getShort(String column) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * int. + * + * @param column The name of the column to return. + * + * @return The column value as a int. + * + * @exception SQLException If an error occurs. + */ +public abstract int +getInt(String column) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * long. + * + * @param column The name of the column to return. + * + * @return The column value as a long. + * + * @exception SQLException If an error occurs. + */ +public abstract long +getLong(String column) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * float. + * + * @param column The name of the column to return. + * + * @return The column value as a float. + * + * @exception SQLException If an error occurs. + */ +public abstract float +getFloat(String column) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * double. + * + * @param column The name of the column to return. + * + * @return The column value as a double. + * + * @exception SQLException If an error occurs. + */ +public abstract double +getDouble(String column) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * BigDecimal. + * + * @param column The name of the column to return. + * @param scale The number of digits to the right of the decimal to return. + * + * @return The column value as a BigDecimal. + * + * @exception SQLException If an error occurs. + */ +public abstract BigDecimal +getBigDecimal(String column, int scale) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * byte array. + * + * @param column The name of the column to return. + * + * @return The column value as a byte array + * + * @exception SQLException If an error occurs. + */ +public abstract byte[] +getBytes(String column) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * java.sql.Date. + * + * @param column The name of the column to return. + * + * @return The column value as a java.sql.Date. + * + * @exception SQLException If an error occurs. + */ +public abstract java.sql.Date +getDate(String column) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * java.sql.Time. + * + * @param column The name of the column to return. + * + * @return The column value as a java.sql.Time. + * + * @exception SQLException If an error occurs. + */ +public abstract java.sql.Time +getTime(String column) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Java + * java.sql.Timestamp. + * + * @param column The name of the column to return. + * + * @return The column value as a java.sql.Timestamp. + * + * @exception SQLException If an error occurs. + */ +public abstract java.sql.Timestamp +getTimestamp(String column) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as an ASCII + * stream. Note that all the data from this stream must be read before + * fetching the value of any other column. Please also be aware that + * calling next() or close() on this result set + * will close this stream as well. + * + * @param column The name of the column to return. + * + * @return The column value as an ASCII InputStream. + * + * @exception SQLException If an error occurs. + */ +public abstract InputStream +getAsciiStream(String column) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a Unicode UTF-8 + * stream. Note that all the data from this stream must be read before + * fetching the value of any other column. Please also be aware that + * calling next() or close() on this result set + * will close this stream as well. + * + * @param column The name of the column to return. + * + * @return The column value as a Unicode UTF-8 InputStream. + * + * @exception SQLException If an error occurs. + */ +public abstract InputStream +getUnicodeStream(String column) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the value of the specified column as a raw byte + * stream. Note that all the data from this stream must be read before + * fetching the value of any other column. Please also be aware that + * calling next() or close() on this result set + * will close this stream as well. + * + * @param column The name of the column to return. + * + * @return The column value as a raw byte InputStream. + * + * @exception SQLException If an error occurs. + */ +public abstract InputStream +getBinaryStream(String column) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the first SQL warning associated with this result + * set. Any additional warnings will be chained to this one. + * + * @return The first SQLWarning for this result set, or null if + * there are no warnings. + * + * @exception SQLException If an error occurs. + */ +public abstract SQLWarning +getWarnings() throws SQLException; + +/*************************************************************************/ + +/** + * This method clears all warnings associated with this result set. + * + * @exception SQLException If an error occurs. + */ +public abstract void +clearWarnings() throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the name of the database cursor used by this + * result set. + * + * @return The name of the database cursor used by this result set. + * + * @exception SQLException If an error occurs. + */ +public abstract String +getCursorName() throws SQLException; + +/*************************************************************************/ + +/** + * This method returns data about the columns returned as part of the + * result set as a ResultSetMetaData instance. + * + * @return The ResultSetMetaData instance for this result set. + * + * @exception SQLException If an error occurs. + */ +public abstract ResultSetMetaData +getMetaData() throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the column index of the specified named column. + * + * @param column The name of the column. + * + * @return The index of the column. + * + * @exception SQLException If an error occurs. + */ +public abstract int +findColumn(String column) throws SQLException; + +} // interface ResultSet + -- cgit v1.1