Hi,
I guess such questions are better asked on StackOverflow.com.
Regards,
Thomas
On Monday, July 8, 2013, Fiendfyre wrote:
> I didn't get constructor delegation part of your post, could you please
> suggest how can I modify my existing code (a sample would be really
> helpful). Thank you!
>
> On Monday, July 8, 2013 10:24:29 AM UTC-5, Christoph Läubrich wrote:
>>
>> Init a *PUBLIC* *STATIC* field via an instances constructor without any
>> syncronization can't be called bad style anymore... is a call for trouble!
>>
>> (btw your defaultconstructor shoudl really use constructor delegation ...)
>>
>> Am 08.07.2013 16:20, schrieb Fiendfyre:
>>
>> This is my class definition
>>
>> public class Database
>> {
>> public static JdbcConnectionPool poolMgr;
>> private final String autoMixedMode = ";AUTO_SERVER=TRUE"; // Enables
>> // Automatic
>> // Mixed Mode
>> // for Database
>>
>> public Database() throws SQLException
>> {
>> new Database("/data/test", 100);
>> System.out.println("object >>> " + Database.this);
>> }
>>
>> public Database(String path, int noOfCon) throws SQLException
>> {
>> poolMgr = JdbcConnectionPool.create("**jdbc:h2:" + path +
>> autoMixedMode, "sa", ""); // Creates
>> // Connection
>> // Pool
>>
>> System.out.println("In constructor");
>> poolMgr.setMaxConnections(**noOfCon);
>> System.out.println("poolMgr ::: " + poolMgr);
>>
>> }
>>
>> public Connection getDbConnection() throws SQLException
>> {
>> return poolMgr.getConnection();
>> }
>>
>>
>>
>> On Monday, July 8, 2013 3:03:18 AM UTC-5, Noel Grandin wrote:
>>>
>>> Probably because your code is instantiating your
>>> com.atr.media.db.Database object via the default constructor, which does
>>> not initialise the poolMgr field?
>>>
>>> On 2013-07-07 21:40, Fiendfyre wrote:
>>> > I'm trying to implement H2 database auto mixed mode using JSF 2.1 with
>>> > Primefaces 4.0 and Primefaces Mobile 0.9.5. I have a session scoped
>>> > managed bean UserBean.java which has a managed property of application
>>> > scoped managed bean with lazy initialization(eager = true)
>>> > Database.java. I'm trying to get a connection pool with 100
>>> > connections up and running. I tried checking the object instance of
>>> > Database class and I get the reference of object correctly but the
>>> > instance variable poolMgr is returned null. can some one help me in
>>> > resolving this issue?
>>> >
>>>
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