/**
* Updates or adds an agent to the database.
*
* @param agent The Agent you wish to modify or add in the database.
*/
protected void updateAgentInDatabase(AgentImpl agent) {
EntityManager em = null;
EntityTransaction tx = null;
try {
em = emf.createEntityManager();
tx = em.getTransaction();
tx.begin();
AgentImpl existing = getAgent(agent.getName(), agent.getOrganization(), em);
if (existing == null) {
em.persist(agent);
} else {
existing.setConfiguration(agent.getConfiguration());
existing.setLastHeardFrom(agent.getLastHeardFrom());
existing.setState(agent.getState());
existing.setSchedulerRoles(agent.getSchedulerRoles());
existing.setUrl(agent.getUrl());
em.merge(existing);
}
tx.commit();
} catch (RollbackException e) {
logger.warn("Unable to commit to DB in updateAgent.");
throw e;
} finally {
if (em != null) em.close();
}
}
public boolean setAgentUrl(String agentName, String agentUrl) {
AgentImpl agent = getAgent(agentName);
if (agent == null) {
return false;
} else {
agent.setUrl(agentUrl);
updateAgentInDatabase(agent);
}
return true;
}
