public Address assign(final VmInstance vm) {
SplitTransition assign =
new SplitTransition(Transition.assigning) {
public void top() {
Address.this.setInstanceInfo(
vm.getInstanceUuid(), vm.getInstanceId(), vm.getPrivateAddress());
Address.this.stateUuid = UUID.randomUUID().toString();
}
public void bottom() {}
};
if (State.impending.equals(this.atomicState.getReference())) {
this.transition(State.impending, State.assigned, true, true, assign);
} else {
this.transition(State.allocated, State.assigned, false, true, assign);
}
fireUsageEvent(
new Supplier<EventActionInfo<AddressAction>>() {
@Override
public EventActionInfo<AddressAction> get() {
return AddressEvent.forAssociate(vm.getInstanceUuid(), vm.getInstanceId());
}
});
return this;
}
public Address unassign() {
fireUsageEvent(
new Supplier<EventActionInfo<AddressAction>>() {
@Override
public EventActionInfo<AddressAction> get() {
return AddressEvent.forDisassociate(instanceUuid, instanceId);
}
});
SplitTransition unassign =
new SplitTransition(Transition.unassigning) {
public void top() {
try {
VmInstance vm = VmInstances.lookup(Address.this.getInstanceId());
} catch (NoSuchElementException e) {
LOG.debug(e);
}
}
public void bottom() {
Address.this.stateUuid = UUID.randomUUID().toString();
Address.this.instanceUuid = UNASSIGNED_INSTANCEUUID;
Address.this.instanceId = UNASSIGNED_INSTANCEID;
Address.this.instanceAddress = UNASSIGNED_INSTANCEADDR;
}
};
if (State.impending.equals(this.atomicState.getReference())) {
this.transition(State.impending, State.allocated, this.isPending(), true, unassign);
} else {
this.transition(State.assigned, State.allocated, false, true, unassign);
}
return this;
}
public Address allocate(final OwnerFullName ownerFullName) {
this.transition(
State.unallocated,
State.allocated,
false,
true,
new SplitTransition(Transition.allocating) {
public void top() {
Address.this.instanceUuid = UNASSIGNED_INSTANCEUUID;
Address.this.instanceId = UNASSIGNED_INSTANCEID;
Address.this.instanceAddress = UNASSIGNED_INSTANCEADDR;
Address.this.setOwner(ownerFullName);
Address.addAddress(Address.this);
try {
Addresses.getInstance().register(Address.this);
} catch (NoSuchElementException e) {
LOG.debug(e);
}
Address.this.stateUuid = UUID.randomUUID().toString();
Address.this.atomicState.attemptMark(State.allocated, false);
}
public void bottom() {}
});
fireUsageEvent(ownerFullName, Suppliers.ofInstance(AddressEvent.forAllocate()));
return this;
}
public Address release() {
fireUsageEvent(Suppliers.ofInstance(AddressEvent.forRelease()));
SplitTransition release =
new SplitTransition(Transition.unallocating) {
public void top() {
Address.this.instanceUuid = UNASSIGNED_INSTANCEUUID;
Address.this.instanceId = UNASSIGNED_INSTANCEID;
Address.this.instanceAddress = UNASSIGNED_INSTANCEADDR;
Address.removeAddress(Address.this.getDisplayName());
Address.this.setOwner(Principals.nobodyFullName());
Address.this.stateUuid = UUID.randomUUID().toString();
Address.this.atomicState.attemptMark(State.unallocated, false);
}
public void bottom() {}
};
if (State.impending.equals(this.atomicState.getReference())) {
this.transition(State.impending, State.unallocated, this.isPending(), true, release);
} else {
this.transition(State.allocated, State.unallocated, false, true, release);
}
return this;
}
private void fireUsageEvent(final Supplier<EventActionInfo<AddressAction>> actionInfoSupplier) {
fireUsageEvent(getOwner(), actionInfoSupplier);
}