/** {@inheritDoc} */
public ConnectionListener getConnection(
Transaction trackByTransaction, Subject subject, ConnectionRequestInfo cri)
throws ResourceException {
ConnectionListener cl = null;
boolean separateNoTx = false;
if (noTxSeparatePools) {
separateNoTx = clf.isTransactional();
}
// Get specific managed connection pool key
Object key = getKey(subject, cri, separateNoTx);
// Get managed connection pool
ManagedConnectionPool mcp = getManagedConnectionPool(key, subject, cri);
// Are we doing track by transaction ?
TransactionSynchronizationRegistry tsr = getTransactionSynchronizationRegistry();
Object transactionKey = tsr != null ? tsr.getTransactionKey() : null;
if (trackByTransaction == null || transactionKey == null) {
return getSimpleConnection(subject, cri, mcp);
}
// Transaction old connections
cl = getTransactionOldConnection(trackByTransaction, mcp);
// Creates a new connection with given transaction
if (cl == null) {
cl = getTransactionNewConnection(trackByTransaction, mcp, subject, cri);
}
return cl;
}
/**
* Test if a connection can be obtained
*
* @param subject Optional subject
* @param cri Optional CRI
* @return True if possible; otherwise false
*/
protected boolean internalTestConnection(ConnectionRequestInfo cri, Subject subject) {
boolean result = false;
ConnectionListener cl = null;
try {
boolean separateNoTx = false;
if (noTxSeparatePools) {
separateNoTx = clf.isTransactional();
}
Object key = getKey(subject, cri, separateNoTx);
ManagedConnectionPool mcp = getManagedConnectionPool(key, subject, cri);
if (mcp.getStatistics().getAvailableCount() > 0) {
cl = mcp.getConnection(subject, cri);
result = true;
}
} catch (Throwable ignored) {
// Ignore
} finally {
if (cl != null) {
try {
returnConnection(cl, false);
} catch (ResourceException ire) {
// Ignore
}
}
}
return result;
}
/**
* Get any transaction integration associated with the pool.
*
* @return the transaction integration
*/
protected TransactionIntegration getTransactionIntegration() {
if (clf != null) return clf.getTransactionIntegration();
return null;
}
