public boolean tryExistsCon(final BackendConnection conn, RouteResultsetNode node) {
if (conn == null) {
return false;
}
if (!conn.isFromSlaveDB() || node.canRunnINReadDB(this.autocommit)) {
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("found connections in session to use " + conn + " for " + node);
}
conn.setAttachment(node);
return true;
} else {
// slavedb connection and can't use anymore ,release it
if (LOGGER.isDebugEnabled()) {
LOGGER.debug(
"release slave connection,can't be used in trasaction " + conn + " for " + node);
}
releaseConnection(node, LOGGER.isDebugEnabled(), false);
}
return false;
}
public void releaseConnection(RouteResultsetNode rrn, boolean debug, final boolean needRollback) {
BackendConnection c = target.remove(rrn);
if (c != null) {
if (debug) {
LOGGER.debug("release connection " + c);
}
if (c.getAttachment() != null) {
c.setAttachment(null);
}
if (!c.isClosed()) {
if (c.isAutocommit()) {
c.release();
} else if (needRollback) {
c.setResponseHandler(new RollbackReleaseHandler());
c.rollback();
} else {
c.release();
}
}
}
}