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Posted to dev@commons.apache.org by sebb <se...@gmail.com> on 2014/02/05 12:04:34 UTC

Re: svn commit: r1564436 - /commons/proper/dbcp/trunk/src/main/java/org/apache/commons/dbcp2/PoolingConnection.java

On 4 February 2014 19:36,  <ma...@apache.org> wrote:
> Author: markt
> Date: Tue Feb  4 19:36:41 2014
> New Revision: 1564436
>
> URL: http://svn.apache.org/r1564436
> Log:
> Unable to find a way around this final generics warning so suppress it

Can the statement cause a class cast (or other) exception?

If not, it would be helpful to document why it is safe to ignore the exception.

And vice-versa.

> Modified:
>     commons/proper/dbcp/trunk/src/main/java/org/apache/commons/dbcp2/PoolingConnection.java
>
> Modified: commons/proper/dbcp/trunk/src/main/java/org/apache/commons/dbcp2/PoolingConnection.java
> URL: http://svn.apache.org/viewvc/commons/proper/dbcp/trunk/src/main/java/org/apache/commons/dbcp2/PoolingConnection.java?rev=1564436&r1=1564435&r2=1564436&view=diff
> ==============================================================================
> --- commons/proper/dbcp/trunk/src/main/java/org/apache/commons/dbcp2/PoolingConnection.java (original)
> +++ commons/proper/dbcp/trunk/src/main/java/org/apache/commons/dbcp2/PoolingConnection.java Tue Feb  4 19:36:41 2014
> @@ -21,7 +21,6 @@ import java.sql.CallableStatement;
>  import java.sql.Connection;
>  import java.sql.PreparedStatement;
>  import java.sql.SQLException;
> -
>  import java.util.NoSuchElementException;
>
>  import org.apache.commons.pool2.KeyedObjectPool;
> @@ -303,17 +302,20 @@ public class PoolingConnection extends D
>          } else {
>              if( null == key.getResultSetType() && null == key.getResultSetConcurrency()) {
>                  if (key.getStmtType() == STATEMENT_PREPAREDSTMT ) {
> -                    return new DefaultPooledObject<DelegatingPreparedStatement>(
> -                            new PoolablePreparedStatement(getDelegate().prepareStatement( key.getSql()), key, _pstmtPool, this));
> +                    @SuppressWarnings({"rawtypes", "unchecked"}) // Unable to find way to avoid this
> +                    PoolablePreparedStatement pps = new PoolablePreparedStatement(
> +                            getDelegate().prepareStatement( key.getSql()), key, _pstmtPool, this);
> +                    return new DefaultPooledObject<DelegatingPreparedStatement>(pps);
>                  } else {
>                      return new DefaultPooledObject<DelegatingPreparedStatement>(
>                              new PoolableCallableStatement(getDelegate().prepareCall( key.getSql()), key, _pstmtPool, this));
>                  }
>              } else { // Both _resultSetType and _resultSetConcurrency are non-null here (both or neither are set by constructors)
>                  if(key.getStmtType() == STATEMENT_PREPAREDSTMT) {
> -                    return new DefaultPooledObject<DelegatingPreparedStatement>(
> -                            new PoolablePreparedStatement(getDelegate().prepareStatement(
> -                                    key.getSql(), key.getResultSetType().intValue(),key.getResultSetConcurrency().intValue()), key, _pstmtPool, this));
> +                    @SuppressWarnings({"rawtypes", "unchecked"}) // Unable to find way to avoid this
> +                    PoolablePreparedStatement pps = new PoolablePreparedStatement(getDelegate().prepareStatement(
> +                            key.getSql(), key.getResultSetType().intValue(),key.getResultSetConcurrency().intValue()), key, _pstmtPool, this);
> +                    return new DefaultPooledObject<DelegatingPreparedStatement>(pps);
>                  } else {
>                      return new DefaultPooledObject<DelegatingPreparedStatement>(
>                              new PoolableCallableStatement( getDelegate().prepareCall(
>
>

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