Reference
:
JDBC extensions
:
Using JDBC wrapper methods to access JDBC extensions
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Using JDBC wrapper methods to access JDBC extensions
The wrapper methods allow an application to access vendor-specific classes. The following example shows how to access the DataDirect-specific ExtConnection class using the wrapper methods:
ExtStatementPoolMonitor monitor = null;
Class<ExtConnection> cls = ExtConnection.class;
if (con.isWrapperFor(cls)) {
ExtConnection extCon = con.unwrap(cls);
extCon.setClientUser("Joe Smith");
monitor = extCon.getStatementPoolMonitor();
}
...
if(monitor != null) {
long hits = monitor.getHitCount();
long misses = monitor.getMissCount();
}
...
