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java.lang.Objectdsnserver.SQLDBcommunication
public class SQLDBcommunication
It is used for the communication with the MySQL Database.
Field Summary | |
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private static java.sql.Connection |
con
|
(package private) java.lang.String |
mySqlDriver
|
(package private) java.lang.String |
mySqlPasswd
|
(package private) java.lang.String |
mySqlUrl
|
(package private) java.lang.String |
mySqlUser
|
private static java.util.concurrent.Semaphore |
sem
|
private static java.sql.Statement |
stmt
|
Constructor Summary | |
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SQLDBcommunication()
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Method Summary | |
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static void |
closeConnectionToDB()
To close the connection to the DB |
static void |
connectToDB()
To open a connnection to a MySQL DB |
static java.sql.ResultSet |
getResultsFromDB(java.lang.String query)
To send a query to the DB. |
static void |
lock()
|
static void |
makeTable()
|
static int |
sendQueryToDB(java.lang.String query)
To send a query to the DB. |
static void |
unlock()
|
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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java.lang.String mySqlDriver
java.lang.String mySqlUrl
java.lang.String mySqlUser
java.lang.String mySqlPasswd
private static java.util.concurrent.Semaphore sem
private static java.sql.Connection con
private static java.sql.Statement stmt
Constructor Detail |
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public SQLDBcommunication()
Method Detail |
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public static java.sql.ResultSet getResultsFromDB(java.lang.String query)
String
- query
public static int sendQueryToDB(java.lang.String query)
String
- query
public static void connectToDB() throws java.lang.ClassNotFoundException, java.sql.SQLException
java.lang.ClassNotFoundException
java.sql.SQLException
public static void closeConnectionToDB() throws java.lang.ClassNotFoundException, java.sql.SQLException
java.lang.ClassNotFoundException
java.sql.SQLException
public static void lock()
public static void unlock()
public static void makeTable()
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