JGDMS Release
v3.0.0 Manual Pages
A set of "manual pages" has been written to assist you in executing the
services, utilities,
infrastructure and
tools that are part of the JGDMS release.
These package.html or class.html files provide implementation
specifics for services, utilities, and tools.
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Services
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Fiddler - a Jini lookup discovery service implementation
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Mahalo - a Jini transaction manager service implementation
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Mercury - a Jini event mailbox service implementation.
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Norm - a Jini lease renewal service implementation.
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Outrigger - a JavaSpaces service implementation.
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Phoenix - a configurable Java RMI activation system daemon
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Reggie - a Jini lookup service
Utilities
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JoinManager - performs all of the functions related to discovery,
joining, service lease renewal, and attribute management required of a
well-behaved service
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LeaseRenewalManager - provides for the systematic renewal and overall
management of a set of leases associated with one or more remote entities
on behalf of a local entity
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LookupDiscovery - helps make the process of acquiring references
to lookup services much simpler for both services and clients
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LookupDiscoveryManager - organizes and manages all discovery-related
activities on behalf of a client or service
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LookupLocatorDiscovery - provides an implementation that makes the
process of finding specific lookup services much simpler for both
services and clients
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ServiceDiscoveryManager - "discovers" services registered with any
number of lookup services of interest for any client-like entity
Infrastructure
- JGDMS's
Security Extensions - A scalable SecurityManager and ConcurrentPolicyFile
solve long standing performance issues in distributed environments.
- Portable objects
- an extension of the Serialization protocol, Portable objects are themselves
not Serialized, instead only instructions for recreating an object remotely
using reflection are Marshalled. This allows Portable objects to utilize
public api methods for construction, avoid publishing their internal state
and to be immutable and safely constructed with invariants checked or
defensively copied using final fields.
- A next
generation lookup service API.
Tools
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Browser - discovers lookup services and inspects the various
services registered within those lookup services
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CheckConfigurationFile - checks the format of the source for a
ConfigurationFile
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ClassDep - analyzes a set of classes and determines on what other classes they directly or indirectly depend
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ClassServer - creates an HTTP server from the command line
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ComputeDigest - prints the message digest for the contents of a URL
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ComputeHttpmdCodebase - computes the message digests for a codebase with HTTPMD URLs
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EnvCheck - examines the run-time environment of a River client or service
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JarWrapper - generates "wrapper" JAR files
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PreferredListGen - analyzes the contents of a JAR file and generates a preferred list
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ServiceStarter - provides static methods used for starting shared
groups, transient services, and activatable services
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.