UML – Class Diagram – Generalization & Realization

Class diagram represents the static low level design of the application. Class diagrams are static in nature and it represent different kinds of objects exist in the system and the relationship between those objects. Class diagram also help the reader to understand different states, behaviors in the object and it’s visibility. In general, there are […]
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UML – Class Diagram – Association.

In this post we will talk about representing different kinds of association in Unified Modelling Language (UML). The term association is used to refer a specific types of logical connections found on class. Association is considered as relationship on instance level. Please refer this post for inheritance/generalization/realization. Types of associations. In general, there are five […]
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Oracle Endeca – How to extract did you mean tokens from Navigation query result?

Sample program to extract did you mean tokens from navigation query result. This program is tested against the Oracle Endeca Discover Electronics application.

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Oracle Endeca – Typeahead using Dimension search.

Most of us would have used the typeahead feature in different software systems. In today’s post we will look into type-ahead using Oracle Endeca dimension search. Different approaches to do type-ahead in Oracle Endeca. Dimension Keyword Search. Record Keyword Search. Dimension Keyword Search combined with predefined set of tokens. Dimension Keyword Search combined with search […]
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com.endeca.navigation.ENEException: HTTP Error 404 – Navigation Engine not able to process request

I assume that you are in this page because you got the below given exception while you are querying oracle Endeca MDEX using jsp reference application or using your application code. Here is the exception.. com.endeca.navigation.ENEException: HTTP Error 404 – Navigation Engine not able to process request ‘http://localhost:15000/search?terms=QuickCam&rank=0&offset=0&irversion=630′. at com.endeca.navigation.OptiBackendRequest.getContent(Unknown Source) at com.endeca.navigation.OptiBackend.getDimensionSearch(Unknown Source) at […]
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Oracle Endeca – What is Dimension Group?

Since you are reading this post I assume that you already know about Oracle Endeca Dimensions. If not please visit Oracle Endeca Core Concepts and Terms post. What is Dimension Group? Dimension Group (com.endeca.navigation.DimGroup) is an immutable object used to group a collection of related Dimensions. (com.endeca.navigation.Dimension) Dimension Group is used to present a set of […]
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