protected void addServerPoolMember()

in software/webapp/src/main/java/org/apache/brooklyn/entity/proxy/AbstractControllerImpl.java [486:514]

• 25 lines of code
• 8 McCabe index (conditional complexity)

    protected void addServerPoolMember(Entity member) {
        synchronized (serverPoolAddresses) {
            String oldAddress = getAttribute(SERVER_POOL_TARGETS).get(member);
            String newAddress = getAddressOfEntity(member);
            if (Objects.equal(newAddress, oldAddress)) {
                if (LOG.isTraceEnabled())
                    if (LOG.isTraceEnabled()) LOG.trace("Ignoring unchanged address {}", oldAddress);
                return;
            } else if (newAddress == null) {
                LOG.info("Removing from {}, member {} with old address {}, because inferred address is now null", new Object[] {this, member, oldAddress});
            } else {
                if (oldAddress != null) {
                    LOG.info("Replacing in {}, member {} with old address {}, new address {}", new Object[] {this, member, oldAddress, newAddress});
                } else {
                    LOG.info("Adding to {}, new member {} with address {}", new Object[] {this, member, newAddress});
                }
            }

            if (Objects.equal(oldAddress, newAddress)) {
                if (LOG.isTraceEnabled()) LOG.trace("For {}, ignoring change in member {} because address still {}", new Object[] {this, member, newAddress});
                return;
            }

            // TODO this does it synchronously; an async method leaning on `updateNeeded` and `update` might
            // be more appropriate, especially when this is used in a listener
            MapAttribute.put(this, SERVER_POOL_TARGETS, member, newAddress);
            updateAsync();
        }
    }