LS.1. Introduction

The Jini lookup service provides facilities for services to advertise their availability and for would-be clients to obtain references to those services based on the attributes they provide. The mechanism that it provides for registering and querying based on attributes is centered on the Java platform type system, and is based on the notion of an entry.

An entry is a class that contains a number of public fields of object type. Services provide concrete values for each of these fields; each value acts as an attribute. Entries thus provide aggregation of attributes into sets; a service may provide several entries when registering itself in the lookup service, which means that attributes on each service are provided in a set ...

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