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Added some algorithms and moved some files and fixed some comments

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Ziver Koc 2009-02-26 17:10:57 +00:00
parent 017a27931a
commit 9297bea93d
25 changed files with 1043 additions and 192 deletions
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38
src/zutil/db/MySQLConnection.java
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@ -12,14 +12,11 @@ public class MySQLConnection {
/**
* Connects to a MySQL server
* @param url The URL of the MySQL server
* @param db The database to connect to
* @param user The user name
* @param password The password
* @throws SQLException
* @throws ClassNotFoundException
* @throws IllegalAccessException
* @throws InstantiationException
*
* @param url is the URL of the MySQL server
* @param db is the database to connect to
* @param user is the user name
* @param password is the password
*/
public MySQLConnection(String url,String db,String user, String password) throws SQLException, InstantiationException, IllegalAccessException, ClassNotFoundException{
Class.forName ("com.mysql.jdbc.Driver").newInstance();
@ -27,11 +24,11 @@ public class MySQLConnection {
}
/**
* Runs a query and returns the result
* NOTE: Don't forget to close the ResultSet and the Statement or it can lead to memory leak tex: rows.getStatement().close();
* @param sql The query to execute
* @return The data that the DB returned
* @throws SQLException
* Runs a query and returns the result.<br>
* <b>NOTE:</b> Don't forget to close the ResultSet and the Statement or it can lead to memory leak tex: rows.getStatement().close();
*
* @param sql is the query to execute
* @return the data that the DB returned
*/
public synchronized ResultSet returnQuery(String sql) throws SQLException{
Statement s = conn.createStatement ();
@ -41,9 +38,9 @@ public class MySQLConnection {
/**
* Runs a query in the MySQL server and returns effected rows
* @param sql The query to execute
* @return Number of rows effected
* @throws SQLException
*
* @param sql is the query to execute
* @return the number of rows effected
*/
public synchronized int updateQuery(String sql) throws SQLException{
Statement s = conn.createStatement ();
@ -53,11 +50,10 @@ public class MySQLConnection {
}
/**
* Runs a Prepared Statement
* NOTE: Don't forget to close the PreparedStatement or it can lead to memory leak
* @param sql The SQL to run
* Runs a Prepared Statement.<br>
* <b>NOTE:</b> Don't forget to close the PreparedStatement or it can lead to memory leak
* @param sql is the SQL query to run
* @return The PreparedStatement
* @throws SQLException
*/
public synchronized PreparedStatement prepareStatement(String sql) throws SQLException{
return conn.prepareStatement(sql);
@ -65,8 +61,6 @@ public class MySQLConnection {
/**
* Disconnects from the database
* @throws SQLException
*
*/
public synchronized void close() throws SQLException{
if (conn != null){