public static BasicEnricherMemento.Builder newEnricherMementoBuilder(Enricher enricher) {
BasicEnricherMemento.Builder builder = BasicEnricherMemento.builder();
builder.type = enricher.getClass().getName();
builder.typeClass = enricher.getClass();
builder.id = enricher.getId();
builder.displayName = enricher.getName();
// TODO persist config keys as well? Or only support those defined on policy class;
// current code will lose the ConfigKey type on rebind for anything not defined on class.
// Whereas entities support that.
// TODO Do we need the "nonPersistableFlagNames" that locations use?
Map<ConfigKey<?>, Object> config = ((AbstractEnricher) enricher).getConfigMap().getAllConfig();
for (Map.Entry<ConfigKey<?>, Object> entry : config.entrySet()) {
ConfigKey<?> key = checkNotNull(entry.getKey(), "config=%s", config);
Object value = configValueToPersistable(entry.getValue());
builder.config.put(key.getName(), value);
}
Map<String, Object> persistableFlags =
MutableMap.<String, Object>builder()
.putAll(
FlagUtils.getFieldsWithFlagsExcludingModifiers(
enricher, Modifier.STATIC ^ Modifier.TRANSIENT))
.remove("id")
.remove("name")
.build();
builder.config.putAll(persistableFlags);
return builder;
}
private static Map<String, Object> findMembers(Object o, Predicate<Field> fieldPredicate)
throws IllegalArgumentException, IllegalAccessException {
Map<String, Object> result = Maps.newLinkedHashMap();
Class<?> clazz = (o != null) ? o.getClass() : null;
if (o instanceof Iterable) {
int i = 0;
for (Object member : (Iterable) o) {
result.put("member" + (i++), member);
}
} else if (o instanceof Map) {
int i = 0;
Map<?, ?> m = (Map<?, ?>) o;
for (Map.Entry<?, ?> entry : m.entrySet()) {
result.put("member" + (i++), new Entry(entry.getKey(), entry.getValue()));
}
} else {
for (Field field : FlagUtils.getAllFields(clazz, fieldPredicate)) {
field.setAccessible(true);
String fieldName = field.getName();
Object fieldVal = field.get(o);
result.put(fieldName, fieldVal);
}
}
return result;
}
/**
* will set fields from flags. The unused configuration can be found via the {@linkplain
* ConfigBag#getUnusedConfig()}. This can be overridden for custom initialization but note the
* following.
*
* <p>if you require fields to be initialized you must do that in this method, with a guard (as in
* FixedListMachineProvisioningLocation). you must *not* rely on field initializers because they
* may not run until *after* this method (this method is invoked by the constructor in this class,
* so initializers in subclasses will not have run when this overridden method is invoked.)
*/
protected void configure(Map properties) {
boolean firstTime = (id == null);
if (firstTime) {
// pick a random ID if one not set
id =
properties.containsKey("id")
? (String) properties.get("id")
: Identifiers.makeRandomId(8);
}
configBag.putAll(properties);
if (properties.containsKey(PARENT_LOCATION.getName())) {
// need to ensure parent's list of children is also updated
setParentLocation(configBag.get(PARENT_LOCATION));
// don't include parentLocation in configBag, as breaks rebind
configBag.remove(PARENT_LOCATION);
}
// NB: flag-setting done here must also be done in BasicLocationRebindSupport
FlagUtils.setFieldsFromFlagsWithBag(this, properties, configBag, firstTime);
if (!truth(name) && truth(properties.get("displayName"))) {
// 'displayName' is a legacy way to refer to a location's name
// FIXME could this be a GString?
Preconditions.checkArgument(
properties.get("displayName") instanceof String,
"'displayName' property should be a string");
name = (String) properties.remove("displayName");
}
}
/**
* Will set fields from flags. The unused configuration can be found via the {@linkplain
* ConfigBag#getUnusedConfig()}. This can be overridden for custom initialization but note the
* following.
*
* <p>For new-style locations (i.e. not calling constructor directly, this will be invoked
* automatically by brooklyn-core post-construction).
*
* <p>For legacy location use, this will be invoked by the constructor in this class. Therefore if
* over-riding you must *not* rely on field initializers because they may not run until *after*
* this method (this method is invoked by the constructor in this class, so initializers in
* subclasses will not have run when this overridden method is invoked.) If you require fields to
* be initialized you must do that in this method with a guard (as in
* FixedListMachineProvisioningLocation).
*/
public void configure(Map properties) {
assertNotYetManaged();
boolean firstTime = !configured.getAndSet(true);
configBag.putAll(properties);
if (properties.containsKey(PARENT_LOCATION.getName())) {
// need to ensure parent's list of children is also updated
setParent(configBag.get(PARENT_LOCATION));
// don't include parentLocation in configBag, as breaks rebind
configBag.remove(PARENT_LOCATION);
}
// NB: flag-setting done here must also be done in BasicLocationRebindSupport
FlagUtils.setFieldsFromFlagsWithBag(this, properties, configBag, firstTime);
FlagUtils.setAllConfigKeys(this, configBag, false);
if (properties.containsKey("displayName")) {
name.set((String) removeIfPossible(properties, "displayName"));
displayNameAutoGenerated = false;
} else if (properties.containsKey("name")) {
name.set((String) removeIfPossible(properties, "name"));
displayNameAutoGenerated = false;
} else if (isLegacyConstruction()) {
name.set(getClass().getSimpleName() + ":" + id.substring(0, Math.min(id.length(), 4)));
displayNameAutoGenerated = true;
}
// TODO Explicitly dealing with iso3166 here because want custom splitter rule comma-separated
// string.
// Is there a better way to do it (e.g. more similar to latitude, where configKey+TypeCoercion
// is enough)?
if (groovyTruth(properties.get("iso3166"))) {
Object rawCodes = removeIfPossible(properties, "iso3166");
Set<String> codes;
if (rawCodes instanceof CharSequence) {
codes = ImmutableSet.copyOf(Splitter.on(",").trimResults().split((CharSequence) rawCodes));
} else {
codes = TypeCoercions.coerce(rawCodes, Set.class);
}
configBag.put(LocationConfigKeys.ISO_3166, codes);
}
}
public AbstractLocation(Map properties) {
configure(properties);
boolean deferConstructionChecks =
(properties.containsKey("deferConstructionChecks")
&& TypeCoercions.coerce(properties.get("deferConstructionChecks"), Boolean.class));
if (!deferConstructionChecks) {
FlagUtils.checkRequiredFields(this);
}
}
public static BasicLocationMemento.Builder newLocationMementoBuilder(Location location) {
BasicLocationMemento.Builder builder = BasicLocationMemento.builder();
Set<String> nonPersistableFlagNames =
MutableMap.<String, Object>builder()
.putAll(FlagUtils.getFieldsWithFlagsWithModifiers(location, Modifier.TRANSIENT))
.putAll(FlagUtils.getFieldsWithFlagsWithModifiers(location, Modifier.STATIC))
.put("id", String.class)
.filterValues(Predicates.not(Predicates.instanceOf(ConfigKey.class)))
.build()
.keySet();
Map<String, Object> persistableFlags =
MutableMap.<String, Object>builder()
.putAll(
FlagUtils.getFieldsWithFlagsExcludingModifiers(
location, Modifier.STATIC ^ Modifier.TRANSIENT))
.removeAll(nonPersistableFlagNames)
.build();
ConfigBag persistableConfig =
new ConfigBag()
.copy(((AbstractLocation) location).getLocalConfigBag())
.removeAll(nonPersistableFlagNames);
builder.type = location.getClass().getName();
builder.typeClass = location.getClass();
builder.id = location.getId();
builder.displayName = location.getDisplayName();
builder.copyConfig(persistableConfig);
builder.locationConfig.putAll(persistableFlags);
Location parentLocation = location.getParent();
builder.parent = (parentLocation != null) ? parentLocation.getId() : null;
for (Location child : location.getChildren()) {
builder.children.add(child.getId());
}
return builder;
}
/**
* Construct a new instance of an AbstractLocation.
*
* <p>The properties map recognizes the following keys:
*
* <ul>
* <li>name - a name for the location
* <li>parentLocation - the parent {@link Location}
* </ul>
*
* Other common properties (retrieved via get/findLocationProperty) include:
*
* <ul>
* <li>latitude
* <li>longitude
* <li>displayName
* <li>iso3166 - list of iso3166-2 code strings
* <li>timeZone
* <li>abbreviatedName
* </ul>
*/
public AbstractLocation(Map properties) {
inConstruction = true;
_legacyConstruction = !InternalLocationFactory.FactoryConstructionTracker.isConstructing();
if (!_legacyConstruction && properties != null && !properties.isEmpty()) {
LOG.warn(
"Forcing use of deprecated old-style location construction for "
+ getClass().getName()
+ " because properties were specified ("
+ properties
+ ")");
_legacyConstruction = true;
}
// When one calls getConfig(key), we want to use the default value specified on *this* location
// if it overrides the default config. The easiest way to look up all our config keys is to
// reuse the code for Entity (and this will become identical when locations become first-class
// entities). See {@link #getConfig(ConfigKey)}
entityType = new EntityDynamicType((Class) getClass());
if (_legacyConstruction) {
LOG.warn(
"Deprecated use of old-style location construction for "
+ getClass().getName()
+ "; instead use LocationManager().createLocation(spec)");
if (LOG.isDebugEnabled())
LOG.debug(
"Source of use of old-style location construction",
new Throwable("Source of use of old-style location construction"));
configure(properties);
boolean deferConstructionChecks =
(properties.containsKey("deferConstructionChecks")
&& TypeCoercions.coerce(properties.get("deferConstructionChecks"), Boolean.class));
if (!deferConstructionChecks) {
FlagUtils.checkRequiredFields(this);
}
}
inConstruction = false;
}