Get the cached information about applications. <p> @param key the key for which the cached information needs to be obtained. @return payload which c

Add arbitrary metadata to running instance. @param key The key of the metadata. @param val The value of the metadata. @return the {@link InstanceInfo

Determine whether the given object is empty. <p>This method supports the following object types. <ul> <li>{@code Optional}: considered empty if {@link

@return the number of instances in this application

Get the payload in both compressed and uncompressed form.

Returns the unique id of the instance. (Note) now that id is set at creation time within the instanceProvider, why do the other checks? This is still

Get the name of the Service to be registered with pantheon.

Gets the list of all registered <em>applications</em> from pantheon. @return list containing all applications registered with pantheon.

send message to other nodes @param remoteNodeId @param message @return

Returns the holder of the lease.

Return the name of the application registering with discovery. @return the string denoting the application name.

Returns the status of the instance. @return the status indicating whether the instance can handle requests.

save to disk @param bytes @param filename @return

get all other master nodes @return

Put a netty event to the executor. @param event Netty event instance.

Gets the last time stamp when this instance was touched. @return last timestamp when this instance was touched.

Determine if a string is {@code null} or {@link String#isEmpty()} returns {@code true}.

Gets the list of instances matching the given Address. @param address The address to match the instances for. @return - The list of {@link Instance

Add the <em>application</em> to the list. @param app the <em>application</em> to be added.

Add the given instance info the list. @param i the instance info object to be added.

Build the {@link InstanceInfo}. @return the {@link LeaseInfo} information built based on the supplied information.

Used by the pantheon server. Not for external use. @return the string indicating the hashcode based on the applications stored.

Get the registry information about all {@link Applications}.

Return the default network address to connect to this instance.

default localhost name

Gets the list of non-shuffled and non-filtered instances associated with this particular application. @return list of non-shuffled and non-filtered i

Gets the name of the application. @return the name of the application.

get all other controller candidates @return

Returns the overridden status if any of the instance. @return the status indicating whether an external process has changed the status.