DBUtils (BioSem Event Extractor 1.2.0 API)

java.lang.Object
- utils.DBUtils

```
public class DBUtils
extends Object
```
Author:

Bui Quoc Chinh

Field Summary

Fields
Modifier and Type Field Description

Connection con

ResultSet rs

Statement stmt

Constructor Summary

Constructors
Constructor	Description
`DBUtils()`
`DBUtils(String defaultName, String protocol)`
`DBUtils(String defaultName, String protocol, String properties)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`checkTable(String tableName)`	Check if a table already exists
`void`	`closeDB()`
`void`	`dropTable(String tablename)`
`void`	`execUpdate(String sql)`
`Connection`	`getConnection()`	Unused
`void`	`openDB()`
`void`	`openDB(String dbName)`
`void`	`shutdownDB()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

con
```
public Connection con
```

rs
```
public ResultSet rs
```

stmt
```
public Statement stmt
```

Constructor Detail

DBUtils
```
public DBUtils()
```

DBUtils

public DBUtils(String defaultName,
               String protocol)

DBUtils

public DBUtils(String defaultName,
               String protocol,
               String properties)

Method Detail

openDB
```
public void openDB()
```

openDB
```
public void openDB(String dbName)
```

getConnection
```
public Connection getConnection()
```
Unused

Parameters:

sql -

Returns:

dropTable

public void dropTable(String tablename)

execUpdate

public void execUpdate(String sql)

checkTable
```
public boolean checkTable(String tableName)
```
Check if a table already exists

Parameters:

tableName -

closeDB
```
public void closeDB()
```

shutdownDB
```
public void shutdownDB()
```