public void setManagementContext(ManagementContextInternal managementContext) {
this.managementContext = managementContext;
if (displayNameAutoGenerated && id != null)
name.set(getClass().getSimpleName() + ":" + id.substring(0, Math.min(id.length(), 4)));
Location oldParent = parent.get();
Set<Location> oldChildren = children;
Map<String, Object> oldConfig = configBag.getAllConfig();
Long oldCreationTimeUtc = creationTimeUtc.get();
String oldDisplayName = name.get();
HostGeoInfo oldHostGeoInfo = hostGeoInfo.get();
parent = managementContext.getStorage().getReference(id + "-parent");
children =
SetFromLiveMap.create(
managementContext.getStorage().<Location, Boolean>getMap(id + "-children"));
creationTimeUtc = managementContext.getStorage().getReference(id + "-creationTime");
hostGeoInfo = managementContext.getStorage().getReference(id + "-hostGeoInfo");
name = managementContext.getStorage().getReference(id + "-displayName");
// Only override stored defaults if we have actual values. We might be in setManagementContext
// because we are reconstituting an existing entity in a new brooklyn management-node (in which
// case believe what is already in the storage), or we might be in the middle of creating a new
// entity. Normally for a new entity (using EntitySpec creation approach), this will get called
// before setting the parent etc. However, for backwards compatibility we still support some
// things calling the entity's constructor directly.
if (oldParent != null) parent.set(oldParent);
if (oldChildren.size() > 0) children.addAll(oldChildren);
if (creationTimeUtc.isNull()) creationTimeUtc.set(oldCreationTimeUtc);
if (hostGeoInfo.isNull()) hostGeoInfo.set(oldHostGeoInfo);
if (name.isNull()) {
name.set(oldDisplayName);
} else {
displayNameAutoGenerated = false;
}
configBag =
ConfigBag.newLiveInstance(
managementContext.getStorage().<String, Object>getMap(id + "-config"));
if (oldConfig.size() > 0) {
configBag.putAll(oldConfig);
}
}
@Override
public void setParent(Location newParent) {
if (newParent == this) {
throw new IllegalArgumentException("Location cannot be its own parent: " + this);
}
if (newParent == parent.get()) {
return; // no-op; already have desired parent
}
// TODO Should we support a location changing parent? The resulting unmanage/manage might cause
// problems.
if (parent.get() != null) {
Location oldParent = parent.get();
parent.set(null);
((AbstractLocation) oldParent).removeChild(this); // FIXME Nasty cast
}
if (newParent != null) {
parent.set(newParent);
((AbstractLocation) parent.get()).addChild(this); // FIXME Nasty cast
}
}
@Override
public HostGeoInfo getHostGeoInfo() {
return hostGeoInfo.get();
}
@Override
public Location getParent() {
return parent.get();
}
@Override
public String getDisplayName() {
return name.get();
}
