protected Collection<StateVariableValue> getCurrentState(String[] variableNames)
throws Exception {
lock();
try {
Collection<StateVariableValue> values = new ArrayList<StateVariableValue>();
for (String variableName : variableNames) {
variableName = variableName.trim();
StateVariable stateVariable = getService().getStateVariable(variableName);
if (stateVariable == null || !stateVariable.getEventDetails().isSendEvents()) {
log.fine("Ignoring unknown or non-evented state variable: " + variableName);
continue;
}
StateVariableAccessor accessor = getService().getAccessor(stateVariable);
if (accessor == null) {
log.warning("Ignoring evented state variable without accessor: " + variableName);
continue;
}
values.add(accessor.read(stateVariable, getImplementation()));
}
return values;
} finally {
unlock();
}
}
@Override
public Collection<StateVariableValue> getCurrentState() throws Exception {
lock();
try {
Collection<StateVariableValue> values = readInitialEventedStateVariableValues();
if (values != null) {
log.fine(
"Obtained initial state variable values for event, skipping individual state variable accessors");
return values;
}
values = new ArrayList();
for (StateVariable stateVariable : getService().getStateVariables()) {
if (stateVariable.getEventDetails().isSendEvents()) {
StateVariableAccessor accessor = getService().getAccessor(stateVariable);
if (accessor == null)
throw new IllegalStateException("No accessor for evented state variable");
values.add(accessor.read(stateVariable, getImplementation()));
}
}
return values;
} finally {
unlock();
}
}
private void generateStateVariable(
StateVariable stateVariable, Document descriptor, Element serviveStateTableElement) {
Element stateVariableElement =
appendNewElement(descriptor, serviveStateTableElement, ELEMENT.stateVariable);
appendNewElementIfNotNull(
descriptor, stateVariableElement, ELEMENT.name, stateVariable.getName());
if (stateVariable.getTypeDetails().getDatatype() instanceof CustomDatatype) {
appendNewElementIfNotNull(
descriptor,
stateVariableElement,
ELEMENT.dataType,
((CustomDatatype) stateVariable.getTypeDetails().getDatatype()).getName());
} else {
appendNewElementIfNotNull(
descriptor,
stateVariableElement,
ELEMENT.dataType,
stateVariable.getTypeDetails().getDatatype().getBuiltin().getDescriptorName());
}
appendNewElementIfNotNull(
descriptor,
stateVariableElement,
ELEMENT.defaultValue,
stateVariable.getTypeDetails().getDefaultValue());
// The default is 'yes' but we generate it anyway just to be sure
if (stateVariable.getEventDetails().isSendEvents()) {
stateVariableElement.setAttribute(ATTRIBUTE.sendEvents.toString(), "yes");
} else {
stateVariableElement.setAttribute(ATTRIBUTE.sendEvents.toString(), "no");
}
if (stateVariable.getTypeDetails().getAllowedValues() != null) {
Element allowedValueListElement =
appendNewElement(descriptor, stateVariableElement, ELEMENT.allowedValueList);
for (String allowedValue : stateVariable.getTypeDetails().getAllowedValues()) {
appendNewElementIfNotNull(
descriptor, allowedValueListElement, ELEMENT.allowedValue, allowedValue);
}
}
if (stateVariable.getTypeDetails().getAllowedValueRange() != null) {
Element allowedValueRangeElement =
appendNewElement(descriptor, stateVariableElement, ELEMENT.allowedValueRange);
appendNewElementIfNotNull(
descriptor,
allowedValueRangeElement,
ELEMENT.minimum,
stateVariable.getTypeDetails().getAllowedValueRange().getMinimum());
appendNewElementIfNotNull(
descriptor,
allowedValueRangeElement,
ELEMENT.maximum,
stateVariable.getTypeDetails().getAllowedValueRange().getMaximum());
if (stateVariable.getTypeDetails().getAllowedValueRange().getStep() >= 1l) {
appendNewElementIfNotNull(
descriptor,
allowedValueRangeElement,
ELEMENT.step,
stateVariable.getTypeDetails().getAllowedValueRange().getStep());
}
}
}