/** {@inheritDoc} */
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
// performance : on évite method.invoke pour equals & hashCode
final String methodName = method.getName();
if (isEqualsMethod(methodName, args)) {
return areConnectionsEquals(args[0]);
} else if (isHashCodeMethod(methodName, args)) {
return connection.hashCode();
}
try {
Object result = method.invoke(connection, args);
if (result instanceof Statement) {
final String requestName;
if ("prepareStatement".equals(methodName) || "prepareCall".equals(methodName)) {
// la méthode est du type prepareStatement(String) ou prepareCall(String),
// alors la requête sql est le premier argument
requestName = (String) args[0];
} else {
requestName = null;
}
result = createStatementProxy(requestName, (Statement) result);
}
return result;
} finally {
if ("close".equals(methodName) && !alreadyClosed) {
USED_CONNECTION_COUNT.decrementAndGet();
USED_CONNECTION_INFORMATIONS.remove(
ConnectionInformations.getUniqueIdOfConnection(connection));
alreadyClosed = true;
}
}
}
void init() {
// on limite la taille pour éviter une éventuelle saturation mémoire
if (isConnectionInformationsEnabled()
&& USED_CONNECTION_INFORMATIONS.size() < MAX_USED_CONNECTION_INFORMATIONS) {
USED_CONNECTION_INFORMATIONS.put(
ConnectionInformations.getUniqueIdOfConnection(connection),
new ConnectionInformations());
}
USED_CONNECTION_COUNT.incrementAndGet();
TRANSACTION_COUNT.incrementAndGet();
}