diff options
author | warrenl <warrenl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-04-11 09:21:53 +0000 |
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committer | warrenl <warrenl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-04-11 09:21:53 +0000 |
commit | 55cbae02cb11fb6736d0e07ba12a99ff46d62040 (patch) | |
tree | 4de12baf9d56287237bde8a1b1c9cf68bccf813b /libjava/java/sql/Connection.java | |
parent | 82831e190cc383b5d4629a4a71d065afdc4d1155 (diff) | |
download | gcc-55cbae02cb11fb6736d0e07ba12a99ff46d62040.tar.gz |
* 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
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@33077 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/java/sql/Connection.java')
-rw-r--r-- | libjava/java/sql/Connection.java | 350 |
1 files changed, 350 insertions, 0 deletions
diff --git a/libjava/java/sql/Connection.java b/libjava/java/sql/Connection.java new file mode 100644 index 00000000000..bb826a67e66 --- /dev/null +++ b/libjava/java/sql/Connection.java @@ -0,0 +1,350 @@ +/* Connection.java -- Manage a database connection. + Copyright (C) 1999, 2000 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; + +/** + * This interface provides methods for managing a connection to a database. + * + * @author Aaron M. Renn (arenn@urbanophile.com) + */ +public interface Connection +{ + +/** + * This transaction isolation level indicates that transactions are not + * supported. + */ +public static final int TRANSACTION_NONE = 0; + +/** + * This transaction isolation level indicates that one transaction can + * read modifications by other transactions before the other transactions + * have committed their changes. This could result in invalid reads. + */ +public static final int TRANSACTION_READ_UNCOMMITTED = 1; + +/** + * This transaction isolation leve indicates that only committed data from + * other transactions will be read. If a transaction reads a row, then + * another transaction commits a change to that row, the first transaction + * would retrieve the changed row on subsequent reads of the same row. + */ +public static final int TRANSACTION_READ_COMMITTED = 2; + +/** + * This transaction isolation level indicates that only committed data from + * other transactions will be read. It also ensures that data read from + * a row will not be different on a subsequent read even if another + * transaction commits a change. + */ +public static final int TRANSACTION_REPEATABLE_READ = 4; + +/** + * This transaction isolation level indicates that only committed data from + * other transactions will be read. It also ensures that data read from + * a row will not be different on a subsequent read even if another + * transaction commits a change. Additionally, rows modified by other + * transactions will not affect the result set returned during subsequent + * executions of the same WHERE clause in this transaction. + */ +public static final int TRANSACTION_SERIALIZABLE = 8; + +/*************************************************************************/ + +/** + * This method creates a new SQL statement. The default result set type + * and concurrency will be used. + * + * @return A new <code>Statement</code> object. + * + * @exception SQLException If an error occurs. + * + * @see Statement + */ +public abstract Statement +createStatement() throws SQLException; + +/*************************************************************************/ + +/** + * This method creates a new <code>PreparedStatement</code> for the specified + * SQL string. This method is designed for use with parameterized + * statements. The default result set type and concurrency will be used. + * + * @param The SQL statement to use in creating this + * <code>PreparedStatement</code>. + * + * @return A new <code>PreparedStatement</code>. + * + * @exception SQLException If an error occurs. + * + * @see PreparedStatement + */ +public abstract PreparedStatement +prepareStatement(String sql) throws SQLException; + +/*************************************************************************/ + +/** + * This method creates a new <code>CallableStatement</code> for the + * specified SQL string. Thie method is designed to be used with + * stored procedures. The default result set type and concurrency + * will be used. + * + * @param The SQL statement to use in creating this + * <code>CallableStatement</code>. + * + * @return A new <code>CallableStatement</code>. + * + * @exception SQLException If an error occurs. + * + * @see CallableStatement + */ +public abstract CallableStatement +prepareCall(String sql) throws SQLException; + +/*************************************************************************/ + +/** + * This method converts the specified generic SQL statement into the + * native grammer of the database this object is connected to. + * + * @param The JDBC generic SQL statement. + * + * @return The native SQL statement. + * + * @exception SQLException If an error occurs. + */ +public abstract String +nativeSQL(String sql) throws SQLException; + +/*************************************************************************/ + +/** + * This method tests whether or not auto commit mode is currently enabled. + * In auto commit mode, every SQL statement is committed its own transaction. + * Otherwise a transaction must be explicitly committed or rolled back. + * + * @return <code>true</code> if auto commit mode is enabled, + * <code>false</code> otherwise. + * + * @exception SQLException If an error occurs. + * + * @see commit + * @see rollback + */ +public abstract boolean +getAutoCommit() throws SQLException; + +/*************************************************************************/ + +/** + * This method turns auto commit mode on or off. In auto commit mode, + * every SQL statement is committed its own transaction. Otherwise a + * transaction must be explicitly committed or rolled back. + * + * @param autoCommit <code>true</code> to enable auto commit mode, + * <code>false</code> to disable it. + * + * @exception SQLException If an error occurs. + * + * @see commit + * @see rollback + */ +public abstract void +setAutoCommit(boolean autoCommit) throws SQLException; + +/*************************************************************************/ + +/** + * This method commits any SQL statements executed on this connection since + * the last commit or rollback. + * + * @exception SQLException If an error occurs. + */ +public abstract void +commit() throws SQLException; + +/*************************************************************************/ + +/** + * This method rolls back any SQL statements executed on this connection + * since the last commit or rollback. + * + * @exception SQLException If an error occurs. + */ +public abstract void +rollback() throws SQLException; + +/*************************************************************************/ + +/** + * This method immediately closes this database connection. + * + * @exception SQLException If an error occurs. + */ +public abstract void +close() throws SQLException; + +/*************************************************************************/ + +/** + * This method tests whether or not this connection has been closed. + * + * @return <code>true</code> if the connection is closed, <code>false</code> + * otherwise. + * + * @exception SQLException If an error occurs. + */ +public abstract boolean +isClosed() throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the meta data for this database connection. + * + * @return The meta data for this database. + * + * @exception SQLException If an error occurs. + * + * @see DatabaseMetaData + */ +public abstract DatabaseMetaData +getMetaData() throws SQLException; + +/*************************************************************************/ + +/** + * This method tests whether or not this connection is in read only mode. + * + * @return <code>true</code> if the connection is read only <code>false</code> + * otherwise. + * + * @exception SQLException If an error occurs. + */ +public abstract boolean +isReadOnly() throws SQLException; + +/*************************************************************************/ + +/** + * This method turns read only mode on or off. It may not be called while + * a transaction is in progress. + * + * @param readOnly <code>true</code> if this connection is read only, + * <code>false</code> otherwise. + * + * @exception SQLException If an error occurs. + */ +public abstract void +setReadOnly(boolean readOnly) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the name of the catalog in use by this connection, + * if any. + * + * @return The name of the catalog, or <code>null</code> if one does not + * exist or catalogs are not supported by this database. + * + * @exception SQLException If an error occurs. + */ +public abstract String +getCatalog() throws SQLException; + +/*************************************************************************/ + +/** + * This method sets the name of the catalog in use by this connection. + * Note that this method does nothing if catalogs are not supported by + * this database. + * + * @param catalog The name of the catalog to use for this connection. + * + * @exception SQLException If an error occurs. + */ +public abstract void +setCatalog(String catalog) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the current transaction isolation mode. This will + * be one of the constants defined in this interface. + * + * @return The transaction isolation level. + * + * @exception SQLException If an error occurs. + */ +public abstract int +getTransactionIsolation() throws SQLException; + +/*************************************************************************/ + +/** + * This method sets the transaction isolation level using one of the + * constants defined in this interface. + * + * @param level The transaction isolation level to change to; must be + * one of the TRANSACTION_* isolation values with the exception of + * TRANSACTION_NONE; some databases may not support other values. + * + * @exception SQLException If an error occurs. + */ +public abstract void +setTransactionIsolation(int level) throws SQLException; + +/*************************************************************************/ + +/** + * This method returns the first warning that occurred on this connection, + * if any. If there were any subsequence warnings, they will be chained + * to the first one. + * + * @return The first <code>SQLWarning</code> that occurred, or + * <code>null</code> if there have been no warnings. + * + * @exception SQLException If an error occurs. + */ +public abstract SQLWarning +getWarnings() throws SQLException; + +/*************************************************************************/ + +/** + * This method clears all warnings that have occurred on this connection. + * + * @exception SQLException If an error occurs. + */ +public abstract void +clearWarnings() throws SQLException; + +} // interface Connection + |