@return true if the Source is exhausted
Builds a nodeset of all of the preceding nodes of the supplied node, in reverse document order
includes every element in the document that precedes this node,
except for ancestors
Reads tuple from the proxied TupleSpace. See TupleSpace#read.
Called by the TupleSpace to check if the object is still alive.
Advertises this service on the primary remote TupleSpace.
A TupleEntry is dead when it is canceled or expired.
Has this tuple expired? (true/false).
A tuple has expired when its expiry timer based on the sec argument to initialize runs out.
Reset the expiry time according to sec_or_renewer.
nil
it is set to expire in the far future.
true
it has expired.
Numeric
it will expire in that many seconds.
Otherwise the argument refers to some kind of renewer object which will reset its expiry time.
Reads tuple, but does not remove it.