/*
* NOTE: This copyright does *not* cover user programs that use HQ
* program services by normal system calls through the application
* program interfaces provided as part of the Hyperic Plug-in Development
* Kit or the Hyperic Client Development Kit - this is merely considered
* normal use of the program, and does *not* fall under the heading of
* "derived work".
*
* Copyright (C) [2004-2009], Hyperic, Inc.
* This file is part of HQ.
*
* HQ is free software; you can redistribute it and/or modify
* it under the terms version 2 of the GNU General Public License as
* published by the Free Software Foundation. This program is distributed
* in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*/
package org.hyperic.hq.events.server.session;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.hyperic.hq.context.Bootstrap;
import org.hyperic.hq.events.ActionConfigInterface;
import org.hyperic.hq.events.shared.ActionManager;
import org.hyperic.hq.events.shared.ActionValue;
import org.hyperic.util.config.ConfigResponse;
import org.hyperic.util.config.EncodingException;
import org.json.JSONException;
import org.json.JSONObject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
/**
* The action manager.
*
*/
@Service
@Transactional
public class ActionManagerImpl implements ActionManager {
private ActionDAO actionDAO;
private AlertDAO alertDAO;
@Autowired
public ActionManagerImpl(ActionDAO actionDAO, AlertDAO alertDAO) {
this.actionDAO = actionDAO;
this.alertDAO = alertDAO;
}
/**
* Get all the actions for a given alert
*
* @return a collection of {@link ActionValue}s
*/
@Transactional(readOnly=true)
public List<ActionValue> getActionsForAlert(int alertId) {
Alert alert = alertDAO.findById(new Integer(alertId));
Collection<Action> actions = actionDAO.findByAlert(alert);
return actionsToActionValues(actions);
}
private List<ActionValue> actionsToActionValues(Collection<Action> actions) {
List<ActionValue> res = new ArrayList<ActionValue>(actions.size());
for (Action action : actions) {
res.add(action.getActionValue());
}
return res;
}
/**
* Create a new action
*/
public Action createAction(AlertDefinition def, String className,
ConfigResponse config, Action parent)
throws EncodingException {
Action action = def.createAction(className, config.encode(), parent);
def.setMtime(System.currentTimeMillis());
return action;
}
/**
* Update an action
*/
public Action updateAction(ActionValue val) {
// First update the primary action
Action action = actionDAO.findById(val.getId());
// Delete it if no configuration or logs
if (val.getConfig() == null) {
if (action.getLogEntriesBag().size() == 0) {
actionDAO.removeAction(action);
} else { // Disassociate from everything
if (action.getAlertDefinition() != null) {
action.getAlertDefinition().getActionsBag().remove(action);
action.setAlertDefinition(null);
}
if (action.getParent() != null) {
action.getParent().getChildrenBag().remove(action);
action.setParent(null);
}
action.setDeleted(true);
}
return null;
}
// Set action properties from value object
action.setClassName(val.getClassname());
action.setConfig(val.getConfig());
setParentAction(action, val.getParentId());
long mtime = System.currentTimeMillis();
// HQ 942: We have seen orphaned actions on upgrade from
// 3.0.5 to 3.1.1 where the action has no associated alert def.
// Prevent the NPE.
if (action.getAlertDefinition() != null) {
action.getAlertDefinition().setMtime(mtime);
}
// Then find and update the child actions.
/*
* It would be nice to have a more explicit method that
* does this kind of update. XXX -- JMT
*/
Collection<Action> children = action.getChildren();
val.setParentId(val.getId());
for (Action act : children) {
act.setClassName(val.getClassname());
act.setConfig(val.getConfig());
setParentAction(act, val.getParentId());
// HQ 942: We have seen orphaned actions on upgrade from
// 3.0.5 to 3.1.1 where the action has no associated alert def.
// Prevent the NPE.
if (act.getAlertDefinition() != null) {
act.getAlertDefinition().setMtime(mtime);
}
}
return action;
}
/**
* Create a free-standing action. These are linked to from things like
* escalations actions.
*
* XXX: This should really be removed -- the JSON object sucks.
*/
public Action createAction(JSONObject json)
throws JSONException {
Action action = Action.newInstance(json);
actionDAO.save(action);
return action;
}
/**
* Create a free-standing action. These are linked to from things like
* escalations actions.
*/
public Action createAction(ActionConfigInterface cfg) {
Action action = Action.createAction(cfg);
actionDAO.save(action);
return action;
}
/**
* Mark a free-standing action as deleted. These actions will later be
* deleted by a cleanup thread.
*/
public void markActionDeleted(Action action) {
action.setDeleted(true);
}
private void setParentAction(Action action, Integer parent) {
if (parent == null) {
action.setParent(null);
} else {
action.setParent(actionDAO.findById(parent));
}
}
}