Network Publishing
description
Transcript of Network Publishing
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Network Publishing
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Node 2.0 and Publishing
• Node 1.1 Focused on Basic Data Submissions
• Data Publishing Should Be the Focus for Node 2.0.
• Data Publishing is Essential to Leveraging all of the Power of our Network SOA .
• Dynamic Data Publishing is the Missing Piece in Delivering Turn-key Network Node Solutions.
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Data Publishing As the Model• Promote data exchange automation –
– come and get it
• Facilitate multi-node exchanges
• Content integration is simplified
• Tools are now available to manage and consume services
• Opens the doors to exchanging any relational information in IT systems.
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UDDI Publishing Support Services • Universal Description, Discovery and
Integration (UDDI) registry service for cataloging services
•
• Advertise the services you offer
• Discover services offered by other partners
• Interfaces• Browser
• Web services
https://uddi.epacdxnode.net/uddi/bsc/web
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ENDS Publishing Support Services
Node
RequestRequest
RequestRequest Parameters
ParametersParameters
ParametersParameters
NodeNode
Schema Style Sheets
Examples
Makes service metadata available as web services.
Network Query tools can leverage this metadata
FormattingFormatting
Building QueriesBuilding Queries
https://discovery.epacdxnode.net/Node.asmx?WSDL
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Goals of Dynamic Data Publishing• Empower Data Stewards
• Support connections to any ODBC or JDBC compliant data sources.
• Enable publishing using simple configuration changes
• Create data services without programming.
• Share canned queries and templates
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Generic Data Publishing Process
SQLTemplateProcessor
DataObjects
(Dynamic SQL
Processor)
XML TemplateProcessor
Template: Transaction.xml
<TransactionList xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://exchangenetwork.net/schema/v1.0/Transaction.xsd">[foreach record] <Transaction> <UserName>[FieldValue(0,3)]</UserName> <TransactionId>[FieldValue(0,1)]</TransactionId> <DataFlow>[FieldValue(0,2)]</DataFlow> <Status>[FieldEncode(0,6)]</Status> <ErrorMessage>[FieldValue(0,9)]</ErrorMessage> <PostTime>[FieldValue(0,10)]</PostTime> </Transaction>[endforeach]</TransactionList>
GetTransactionList
Data Service: GetTransactionList
Parameter1: Status = FailedParameter2: FlowName=FRS
Template SQL - GetTransactionList
select * from Transaction where userName='$_user' $AND(Status, =, _1) $AND(DataFlow, =, _2) order by PostTime DESC
SQL - GetTransactionList
select * from Transaction where userName='[email protected]' And status = ‘Failed’ And DataFlow= ‘FRS’order by PostTime DESC
Data Result Set
Result XML Instance
<TransactionList xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://exchangenetwork.net/schema/v1.0/Transaction.xsd"> <Transaction> <UserName>cdx</UserName> <TransactionId>2be717ef-110c-46c7-a4e1-2f9271597da3</TransactionId> <DataFlow>AsyncQuery</DataFlow> <Status>Failed</Status> <ErrorMessage>The requested procedure, GetFacilityByName, is undefined. .</ErrorMessage> <PostTime>2006-08-30 11:40:21</PostTime> </Transaction> <Transaction> <UserName>cdx</UserName> <TransactionId>59bfb6b1-b73f-4c62-ba72-384dddb45b69</TransactionId> <DataFlow>http://neien.org</DataFlow> <Status>Failed</Status> <ErrorMessage>Error downloading document 59bfb6b1-b73f-4c62-ba72-384dddb45b69 from http://epacdxnode.csc.com/xml/cdx_v10.wsdl</ErrorMessage> <PostTime>2004-03-08 22:19:41</PostTime> </Transaction></TransactionList>
Dabases
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SQLDATA Node Publishing• Create SQL Query with wildcard
Parameters
• Create XML Template Map
• Drop Map and Query into Publishing Directory
• POOF!! New Data Service Published
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Network Clientcan accesses the new service
Create SQL Query called GetFacilitybyZip
1. 2.
Application Server
FRS Database
Create XML Map
<FacilitySiteList xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.epa.gov/enviro/html/frs_demo/FACID_FacilitySiteAll_v2.xsd">[foreach record] <FacilitySiteDetails stateFacilitySystemAcronymName="TestName01" stateFacilityIdentifier="[DatabaseFieldName]"> <FacilitySite> <FacilitySiteName>[DatabaseFieldName]</FacilitySiteName> </FacilitySite> <LocationAddress> <LocationAddressText>[DatabaseFieldName]</LocationAddressText> <SupplementalLocationText>[DatabaseFieldName]</SupplementalLocationText> <LocalityName>[DatabaseFieldName]</LocalityName> <StateUSPSCode>[DatabaseFieldName]</StateUSPSCode> <LocationZIPCode>[DatabaseFieldName]</LocationZIPCode> </LocationAddress> </FacilitySiteDetails>[endforeach]</FacilitySiteList>
Select FacilitySiteName,F.stateFacilityIdentifier,LocationAddressText,SupplementalLocationText,LocalityName,StateUSPSCode,LocationZipCode from FacilitySite F,LocationAddress L Where F.StateFacilityIdentifier = L.StateFacilityIdentifier and StateUSPSCode=QueryParameterorder by F.FacilitySiteName
POOF! - New GetFacilitybyZip service is available
3.
High Speed Service Publishing Model
HSP DLL
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Next Generation Node Publishing
• Create Velocity Mapping File
• Drop Mapping Files into Preconfigured Publishing Directory
• Add Service Configuration Information Using the NGN Administration Client
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Data Flow Processor
• CGI/AMS
• Supports Configuration Driven Publishing Model
• Leverages iBATIS - an open source framework for mapping SQL queries
• XSLT Used for Output Formatting
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Conclusion
• Simplifies the process of publishing down to creating some configuration/mapping files >> no programming<<
• Dramatically decreases the time and cost for publishing data …. So the Network can grow that much faster!
• Supports emergency response type activities etc..
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Questions / Comments ?