Heliophysics Integrated Observatory Coordinated Data Analysis Workshop

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Heliophysics Integrated Observatory

Coordinated Data Analysis Workshop

24

th

_{of October 2011}

Trieste

Architecture and Demonstrations

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Mapping the General Science Use Case to

an Architecture

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Structural Architecture

Se rv ic e' U se r

In teg ratio n'Test' Infr astru ctu re HELIO'Fro nt en d' (HFE ) A cc es s

HELIO'Clie nt 'AP I'(Java )

Se rv ic e' Pr ov id er E na blin g'Services

T aver na 'Se rve r T aver na

Wo rkb en ch

Disco ver y

O b se rvat io n' Co ver age 'Se rvice'

(OC S) H ELIO'Pro cessin g' Se rvice '(H PS) HELIO'Sto rage ' Se rvice'(HSS) M eta dat a HELIO'Even t' Cat alog'(HE C) IDL'Clie nt In fr as tr uc tu re HE LIO 'R eg istr y' Se rvice'(H RS ) HELIO'M on it or in g' Se rvice '(H MS ) HE LIO 'F ron te nd H ELIO'Fro nt en dSta nd alon e'_{In te rface s} HELIO'Fro nt en d

HELIO'Fro n ten dApp licatio ns3r dIp ar ty'

HELIO'Instr um en t' Locat io n'Ser vice '

(ILS) HELIO'Instr um en t'

C ap ab ilit ie s' S ervice'(IC S) Dat a'E valua tio n '

Ser vice'(DE S) HE LIO 'Fe atu re'

C atalo g'(H FC)

Pro p agat io n' M od el'(P M )

C lien t'In te grat io n' Se rvice'(CIS) ID L'API

C on text 'Se rvices' (CX S) Data Dat a'Access' P ro vid er '(D PAS)

Service User

Access Layer

Infrastructure

Service Provider

1

3

4

2

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ACCESS LAYER

Se rv ic e' U se r

Wo rkb en ch

Disco ver y O b se rvat io n' Co ver age 'Se rvice'

(OC S) H ELIO'Pro cessin g' Se rvice '(H PS) HELIO'Sto rage ' Se rvice'(HSS) M eta dat a HELIO'Even t' Cat alog'(HE C) IDL'Clie nt In fr as tr uc tu re HE LIO 'R eg istr y'

Se rvice'(H RS ) HELIO'M on it or in g'Se rvice '(H MS )

HE LIO 'F ron te nd H ELIO'Fro nt en dSta nd alon e'In te rface s HELIO'Fro nt en d

Ser vice'(DE S) HE LIO 'Fe atu re' C atalo g'(H FC)

C on text 'Se rvices' (CX S)

Data Dat a'Access' P ro vid er '(D PAS)

hel

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INFRASTRUCTURE LAYER

Se rv ic e' U se r

Wo rkb en ch

Disco ver y O b se rvat io n' Co ver age 'Se rvice'

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SERVICE USER LAYER

Se rv ic e' U se r

Wo rkb en ch

Disco ver y

O b se rvat io n' Co ver age 'Se rvice'

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Service User Layer I:

HELIO Front End

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HELIO IDL Client – Communication

IDL$Client$Consumer

IDL$Client$Provider

HTTP$GET

IDL$Struct

Java$Client$API

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Service User Layer II:

IDL Low Level Clients

IDL> o=obj_new('heliovo')

% Compiled module: HELIOIDLAPI.

IDL> helio = heliovo()

% Compiled module: HELIOIDLAPI.

IDL> o->help

IDL> heliovo help

IDL> helio = heliovo() ; create heliovo object

IDL>

IDL> helio->print, /service ; print available services

IDL> helio->find, service='SERVICENAME' ; search for service with name SERVICENAME

IDL> service = helio->get(service=SERVICE) ; gets service object of SERVICE (Name or ID)

IDL>

IDL> service->print, /catalog ; print available catalogs for this helio_service

IDL> service->find, catalog='CATALOGNAME' ; search for catalog with name CATALOGNAME

IDL> catalog = service->get(catalog=catalog) ; gets catalog object of CATALOG (Name or ID)

IDL>

IDL> catalog->set, time_interval=['1-may-2005','2-may-2005'] ; set time_interval OR

IDL> catalog->set, where='WHERE_STATEMENT' ; set where statement

IDL>

IDL> data = catalog->get(/struct) ; run the query and directly parse the data OR

IDL>

IDL> result = catalog->get(/query) ; run the query

IDL>

IDL> x = wget(url=result->get(/url), file='my.xml') ; download result and save it to my.xml

IDL> myxml = wget(url=result->get(/url)) ; download result to variable myxml

IDL>

IDL> parser = obj_new('votable2struct’ ) ; create votable parser object

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Heliophysics Integrated Observatory Coordinated Data Analysis Workshop