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Diffstat (limited to 'libjava/java/sql/Connection.java')
| -rw-r--r-- | libjava/java/sql/Connection.java | 350 |
1 files changed, 0 insertions, 350 deletions
diff --git a/libjava/java/sql/Connection.java b/libjava/java/sql/Connection.java deleted file mode 100644 index bb826a67e66..00000000000 --- a/libjava/java/sql/Connection.java +++ /dev/null @@ -1,350 +0,0 @@ -/* 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 - |