/**
* This method is called to aggregate the list of non cosntant attributes that the widgets
* relevant to this server provide. This should be called after a constructor sets the widget
* handles to use or after setWidgets() has been called.
*
* @return the server attributes
*/
protected Attributes initAttributes() {
// this protects us against the Widget constructor
// that calls us too early (we havent' got the widgets yet)
// it's good practice anyway
if (widgets == null) {
return null;
}
Attributes atts = new Attributes();
for (int i = 0; i < widgets.size(); i++) {
WidgetHandle handle = widgets.getWidgetHandleAt(i);
System.out.println(handle);
DataObject widgetAtts =
getWidgetAttributes(handle.getHostName(), handle.getPort(), handle.getId());
String error = new Error(widgetAtts).getError();
if (error != null) {
if (error.equals(Error.NO_ERROR)) {
Attributes wAtts = new Attributes(widgetAtts);
for (int j = 0; j < wAtts.numAttributes(); j++) {
Attribute wAtt = wAtts.getAttributeAt(j);
if (atts.getAttribute(wAtt.getName()) == null) {
atts.addAttribute(wAtt);
}
}
}
}
}
atts.addAttributes(setServerAttributes());
return atts;
}
@Override
protected void init() {
addAttribute(Attribute.instance(WARNING_FIRE, Boolean.class));
addAttribute(Attribute.instance(WARNING_AIR_POLLUTION, Boolean.class));
addAttribute(Attribute.instance(WARNING_TEMPERATURE, Boolean.class));
addAttribute(AttributeNameValue.instance(AMBIENT, ambient), true);
}
/**
* This method checks the list of incoming attributes to ensure that the interpreter can handle
* these attributes.
*
* @param inAtts List of incoming attributes to check
* @return whether the list of attributes is valid
*/
private boolean canHandle(Attributes inAtts) {
for (int i = 0; i < inAtts.numAttributes(); i++) {
Attribute inAtt = inAtts.getAttributeAt(i);
if (!isInAttribute(inAtt.getName())) {
return false;
}
}
return true;
}
/**
* This method sets up the server for use. This includes getting the attributes and services
* information from relevant widgets.
*
* <p>Modification made by Agathe
*
* @see #setAttributes()
* @see #setServices()
*/
protected void serverSetup() {
attributes = initAttributes();
constantAttributes = initConstantAttributes(); // added by Agathe
attributesCache = new Attributes();
attributeTypes = attributes.toTypesHashtable();
// constantAttributeTypes = constantAttributes.toTypesHashtable(); // Added by agathe
// ??
for (int i = 0; i < attributes.numAttributes(); i++) {
Attribute att = attributes.getAttributeAt(i);
attributesCache.addAttributeNameValue(att.getName(), att.getSubAttributes(), att.getType());
}
attributesTimes = new Hashtable();
Long long1 = new Long(0);
for (Enumeration e = attributeTypes.keys(); e.hasMoreElements(); ) {
attributesTimes.put(e.nextElement(), long1);
}
if (storage != null) {
storage.setAttributes(attributes, attributeTypes);
// storage.setConstantAttributes(constantAttributes,cosntantAttributeTypes); // Added by
// agathe
}
services = initServices();
}
public void insertComponentUpdateEntry(
String in_componentId,
String in_updateName,
List<ComponentDescription> in_componentDescriptions)
throws LoggingException {
Session session = null;
session = HibernateUtils.getNewSession();
if (session == null) return;
ArrayList<CUDestination> cuDestinationList = new ArrayList<CUDestination>();
ArrayList<CUAttribute> cuAttributeList = new ArrayList<CUAttribute>();
ComponentUpdate componentUpdateEntry = new ComponentUpdate();
componentUpdateEntry.setComponentid(in_componentId);
componentUpdateEntry.setUpdatename(in_updateName);
componentUpdateEntry.setUpdatetime(new Date());
for (ComponentDescription compDescr : in_componentDescriptions) {
// Set up the cuDestination entry
CUDestination cuDestinationEntry = new CUDestination();
cuDestinationEntry.setComponentUpdate(componentUpdateEntry);
cuDestinationEntry.setDestinationcomponentid(compDescr.id);
cuDestinationEntry.setSuccess(new Boolean(true));
cuDestinationList.add(cuDestinationEntry);
AttributeNameValue<?> attributeNameValue;
// Set up the constant attribute entries
for (Attribute<?> attribute : compDescr.getConstantAttributes()) {
CUAttribute cuAttributeEntry = new CUAttribute();
cuAttributeEntry.setAttributename(attribute.getName());
cuAttributeEntry.setAttributetype(attribute.getType());
cuAttributeEntry.setConstant(true);
cuAttributeEntry.setCUDestination(cuDestinationEntry);
// AttributeNameValue is a subclass of Attribute
if (attribute instanceof AttributeNameValue<?>) {
// check the value associated with this AttributeNameValue
attributeNameValue = (AttributeNameValue<?>) attribute;
if (attributeNameValue.getType().equals(String.class)) {
cuAttributeEntry.setAttributevaluestring((String) attributeNameValue.getValue());
} else if (attributeNameValue.getType().isInstance(Number.class)) {
cuAttributeEntry.setAttributevaluenumeric(
Float.valueOf(attributeNameValue.getValue().toString()));
}
}
cuAttributeList.add(cuAttributeEntry);
}
// Set up the non constant attribute entries
for (Attribute<?> attribute : compDescr.getNonConstantAttributes().values()) {
CUAttribute cuAttributeEntry = new CUAttribute();
cuAttributeEntry.setAttributename(attribute.getName());
cuAttributeEntry.setAttributetype(attribute.getType());
cuAttributeEntry.setConstant(false);
cuAttributeEntry.setCUDestination(cuDestinationEntry);
if (attribute instanceof AttributeNameValue<?>) {
attributeNameValue = (AttributeNameValue<?>) attribute;
if (attributeNameValue.getType().equals(String.class)) {
cuAttributeEntry.setAttributevaluestring((String) attributeNameValue.getValue());
} else if (attributeNameValue.getType().isInstance(Number.class)) {
cuAttributeEntry.setAttributevaluenumeric(
Float.valueOf(attributeNameValue.getValue().toString()));
}
}
cuAttributeList.add(cuAttributeEntry);
}
}
Transaction tx = null;
try {
tx = session.beginTransaction();
session.save(componentUpdateEntry);
for (int i = 0; i < cuDestinationList.size(); i++) {
session.save(cuDestinationList.get(i));
}
for (int i = 0; i < cuAttributeList.size(); i++) {
session.save(cuAttributeList.get(i));
}
tx.commit(); // flush the Session and commit the transaction
} catch (Exception e) {
try {
if (tx != null) tx.rollback(); // rollback the transaction
} catch (Exception x) {
throw new LoggingException(x);
}
} finally {
try {
session.close();
} catch (Exception e) {
throw new LoggingException(e);
}
}
}
