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RELEASE 0.1 artifacts/trunk@201 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 07 Oct 2009 10:59:19 +0000
parents 458bffbf57c0
children cf9848c85755
rev   line source
53
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1 2009-10-07 RELEASE 0.1
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2
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3 New:
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4
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5 * Two sub projects: 'artifacts' and 'artifact-database'
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6
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7 - 'artifacts' is a set of generic interfaces modelling
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8 the workflow to parameterize a process and producing
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9 outputs.
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10
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11 An artifact is created via factories. It describes
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12 itself via 'describe', it is parameterized via
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13 'feed' and brought to new states with 'advance'.
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14 Once able to produce output 'out' returns the
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15 requested product.
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16
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17 - 'artifact-database' is the default implemention
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18 of the workflow described with 'artifact'.
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19
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20 * artifact-database persists artifacts with a H2-database
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21 [http://www.h2database.com] (default) or a
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22 PostgeSQL 8.3+ database [http://www.postgresql.org/] (optional)
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23
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24 * artifacts may spawn background threads to copy with long running
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25 processes. After finishing work they are able to re-synchronize
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26 themselves to the artifact database.
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27
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28 * artifact-database is accessible via an HTTP REST server
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29 implemented on top of the Restlet API http://www.restlet.org/
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30 It has to be started as a service. Default TCP port: 8181
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31
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32 HTTP GET '/factories' returns list of available factories.
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33 HTTP GET '/create' creates new artifact.
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34 HTTP GET '/artifact/{uuid}' returns a description of an artifact.
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35 HTTP POST '/artifact/{uuid}' modifies an artifact ('feed', 'advance')
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36 HTTP POST '/artifact/{uuid}/{out}' delivers output for an artifact.
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37
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38 * artifact-database is configured with as XML file named conf.xml
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39 (default placement in directory $HOME/.artitactdb, directory
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40 may be changed with system property "artifact.database.dir")
http://dive4elements.wald.intevation.org