A single data token passed between processors in a workflow. This is distinct
from the Job in that it contains a single (unnamed) data reference whereas
the Job holds a map of arbitrarily many named data references in a bundle.
Fields inherited from class org.apache.taverna.invocation.Event
Return a copy of the event subclass with the last owning process removed
from the owning process list. For example, if the event had owner
'foo:bar' this would return a duplicate event with owner 'foo'. If the
owning process is the empty string this is invalid and will throw a
Return a copy of the event subclass with the specified local process name
appended to the owning process identifier field. If the original owner
was 'foo' and this was called with 'bar' you'd end up with a copy of the
subclass with owner 'foo:bar'