Apache Lucene quick links

Lucene home page –> http://lucene.apache.org/
Download Lucene from –> http://www.apache.org/dyn/closer.cgi/lucene/java/
Lucene API Doc –> http://lucene.apache.org/java/docs/api/index.html
Lucene docs for each release –> http://lucene.apache.org/java/docs/
Where can I get help from –> java-user@lucene.apache.org
Lucene wiki –> http://wiki.apache.org/lucene-java/FrontPage
Lucene , how to improve search speed –> http://wiki.apache.org/lucene-java/ImproveSearchingSpeed
Lucene , how to improve index speed –> http://wiki.apache.org/lucene-java/ImproveIndexingSpeed
Lucene FAQ –> http://wiki.apache.org/lucene-java/LuceneFAQ

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ATG - more about Forms and Form Handlers

An ATG form is defined by the dsp:form tag, which typically encloses DSP tags that specify form elements, such as dsp:input that provide direct access to Nucleus component properties. Find below a sample dsp:form tag. <dsp:form action="/testPages/showPersonProperties.jsp" method="post" target="_top"> <p>Name: <dsp:input bean="/samples/Person.name" type="text"/> <p>Age: <dsp:input bean="/samples/Person.age" type="text" value="30"/> <p><dsp:input type="submit" bean="/samples/Person.submit"/> value="Click to submit"/> </dsp:form> When the user submits the form, the /samples/Person.name property is set to the value entered in the input field.Unlike standard HTML, which requires the name attribute for most input tags; the name attribute is optional for DSP form element tags. If an input tag omits the n...

Eclipse plug-in to create Class and Sequence diagrams

ModelGoon is an Eclipse plug-in avaiable for UML diagram generation from Java code. It can be used to generate Package Dependencies Diagram, Class Diagram, Interaction Diagram and Sequence Diagram. You coud get it from http://marketplace.eclipse.org/content/modelgoon-uml4java Read more about it and see some vedios about how to create the class and sequence diagram @ http://www.modelgoon.org/?tag=eclipse-plugin Find some snapshots below which gives an idea about the diagram generation.

ATG Search architectural flow : Search and Index

I would like to explain the high level ATG Search implementation architecture ( for an online store) through the above diagram. In this diagram 1.x denotes the search functionality and 2.x denotes the indexing functionality. I have given JBoss as the application server. Physical Boxes and Application Servers in the diagram ( as recommended by ATG ) : Estore ( Commerce ) Box --> The box with the estore/site ear (with the site JSPs and Java codes). Search Engine Box --> The box with the search engine application running. Indexing Engine Box --> The box with the indexing engine application running. CA (Content Administration) Box --> The box with the ATG CA ear ( where we could take CA -BCC - Search Administration and configure the search projects) . Search Indexer Box --> The box with the ATG Search Index ear ( to fetch the index data from repository). Note that the engine performing indexing will need access ...

Basic design decisions for a commerce search setup ( with an ATG Search view)

In this blog I would like to explain the basic set of configuration/design decisions needed to setup an ATG search project. Most of these design decisions are common for all Enterprise search applications. 1. Decide the searchable properties : This means the properties that the business want the user to search in the ecommerce platform. In ATG search these are configured as the text properties in the product-catalog-output-config.xml ( the definitionFile of the \atg\commerce\search\ProductCatalogOutputConfig). Usually the displayName of product/sku, displayName of department/category/sub-category, skuId, brandName are the properties configured as searchable. 2. Decide the search refinement properties or the faceted properties : After a user search for a keyword, search refinement is the next step done to filter his results. ATG supports the search refinement using the Faceted Search concept. Read more about facted search @...

Good features of Eclipse3.5 (Eclipse Galileo) JDT

This blog will list down the new features of Eclipse Galileo JDT. I will write another blog regarding the features of Eclipse Helios and Eclipse Indigo. Read about Eclipse Helios features @ http://tips4ufromsony.blogspot.com/2011/11/good-features-of-eclipse-36-eclipse.html ========================================================== 1. Toggle Breadcrumb —> Will list the name of the file and the method name with respect to your cursor position , on the top of the Eclipse IDE. From here you can go to other methods, other classes in same package , …. Screen shot of Toggle Breadcrumb: ========================================================== 2. From the method call , you can either go to declaration or to implementation Screen shot of implementation call: ========================================================== 3. Advanced Open Type –> You can restrict the open type to a selected Working set only. Screen shot of Advanced Open Type: ==========...

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