Dr. Dobb's Journal - October 2008 - (Page 54) d10NG_p4db 8/14/08 3:13 PM Page 54 State of the Art INDEXING AND SEARCHING IMAGE FILES new Field(String name, String value, Field.Store store, Field.Index index)) where the first argument is the name of the field, the second argument is the value associated with this field name, the third argument indicates how the field is stored, and the last argument denotes how the field is indexed. In this application, the store is set to Field.Store.YES and the index is set to Field.Index.UN_TOKENIZED. The former stores the original field value in the index. The latter indexes the field’s value without using an Analyzer, so it can be searched. Fields are added to the Document object using the Add method: d.Add(new Field(“path”, filename, Field.Store.YES, Field.Index.UN_TOKENIZED)) The Document object is then added to the IndexWriter instance using the following method: idxWriter.AddDocument(d) When indexing is complete, we optimize the index for search, idxWriter.Optimize() Finally, we close the index: idxWriter.Close() Figure 3: The Image Search Directory and Index Directory Creation locations. Figure 4: Search Criteria Selection. Once the index has been built, it can be searched. In this application, the search is activated by the user. After users have entered all the search parameters, they activate the search by clicking on the search button. To do the search, we first create an IndexSearcher instance that points to the directory containing the indices that have been created previously: Solutions for every world. Visual Modeling for Business, IT and Systems Enterprise Architect from Sparx Systems redefines visual modeling with a huge set of built-in tools, technologies and capabilities, coupled with a lightweight footprint and great agility. With deep support for UML 2.1 and its related standards, Enterprise Architect 7.1 is the ideal tool to analyze, design, build and manage your next software project. 54 Dr. Dobb’s Journal l www.ddj.com l October 2008 http://sparxsystems.com http://sparxsystems.com http://www.ddj.com
Table of Contents Feed for the Digital Edition of Dr. Dobb's Journal - October 2008 Dr. Dobb's Journal - October 2008 Contents Friday Night Fish Fry Alia Vox Developer Diaries Developer’s Notebook Is Your Next Language COBOL? Conversations Safe Coding Practices Code Signing in Adobe AIR OpenID Single Sign-On The Book Cipher Algorithm Indexing and Searching Image files Extending Continuous Integration Into ALM The Agile Edge Effective Concurrency Swaine’s Flames Dr. Dobb's Journal - October 2008 Dr. Dobb's Journal - October 2008 - (Page Bellyband1) Dr. Dobb's Journal - October 2008 - (Page Bellyband2) Dr. Dobb's Journal - October 2008 - Dr. Dobb's Journal - October 2008 (Page Cover1) Dr. Dobb's Journal - October 2008 - Dr. Dobb's Journal - October 2008 (Page Cover2) Dr. Dobb's Journal - October 2008 - Dr. Dobb's Journal - October 2008 (Page 1) Dr. Dobb's Journal - October 2008 - Dr. Dobb's Journal - October 2008 (Page 2) Dr. Dobb's Journal - October 2008 - Dr. Dobb's Journal - October 2008 (Page 3) Dr. Dobb's Journal - October 2008 - Contents (Page 4) Dr. Dobb's Journal - October 2008 - Contents (Page 5) Dr. Dobb's Journal - October 2008 - Friday Night Fish Fry (Page 6) Dr. Dobb's Journal - October 2008 - Friday Night Fish Fry (Page 7) Dr. Dobb's Journal - October 2008 - Friday Night Fish Fry (Page 8) Dr. Dobb's Journal - October 2008 - Friday Night Fish Fry (Page 9) Dr. Dobb's Journal - October 2008 - Alia Vox (Page 10) Dr. Dobb's Journal - October 2008 - Alia Vox (Page 11) Dr. Dobb's Journal - October 2008 - Developer Diaries (Page 12) Dr. Dobb's Journal - October 2008 - Developer Diaries (Page 13) Dr. Dobb's Journal - October 2008 - Developer’s Notebook (Page 14) Dr. Dobb's Journal - October 2008 - Developer’s Notebook (Page 15) Dr. Dobb's Journal - October 2008 - Is Your Next Language COBOL? (Page 16) Dr. Dobb's Journal - October 2008 - Is Your Next Language COBOL? (Page 17) Dr. Dobb's Journal - October 2008 - Is Your Next Language COBOL? (Page 18) Dr. Dobb's Journal - October 2008 - Is Your Next Language COBOL? (Page 19) Dr. Dobb's Journal - October 2008 - Conversations (Page 20) Dr. Dobb's Journal - October 2008 - Conversations (Page 21) Dr. Dobb's Journal - October 2008 - Conversations (Page 22) Dr. Dobb's Journal - October 2008 - Conversations (Page 23) Dr. Dobb's Journal - October 2008 - Safe Coding Practices (Page 24) Dr. Dobb's Journal - October 2008 - Safe Coding Practices (Page 25) Dr. Dobb's Journal - October 2008 - Safe Coding Practices (Page 26) Dr. Dobb's Journal - October 2008 - Safe Coding Practices (Page 27) Dr. Dobb's Journal - October 2008 - Safe Coding Practices (Page 28) Dr. Dobb's Journal - October 2008 - Safe Coding Practices (Page 29) Dr. Dobb's Journal - October 2008 - Code Signing in Adobe AIR (Page 30) Dr. Dobb's Journal - October 2008 - Code Signing in Adobe AIR (Page 31) Dr. Dobb's Journal - October 2008 - Code Signing in Adobe AIR (Page 32) Dr. Dobb's Journal - October 2008 - Code Signing in Adobe AIR (Page 33) Dr. Dobb's Journal - October 2008 - Code Signing in Adobe AIR (Page 34) Dr. Dobb's Journal - October 2008 - Code Signing in Adobe AIR (Page 35) Dr. Dobb's Journal - October 2008 - Code Signing in Adobe AIR (Page 36) Dr. Dobb's Journal - October 2008 - Code Signing in Adobe AIR (Page 37) Dr. Dobb's Journal - October 2008 - Code Signing in Adobe AIR (Page 38) Dr. Dobb's Journal - October 2008 - Code Signing in Adobe AIR (Page 39) Dr. Dobb's Journal - October 2008 - OpenID Single Sign-On (Page 40) Dr. Dobb's Journal - October 2008 - OpenID Single Sign-On (Page 41) Dr. Dobb's Journal - October 2008 - OpenID Single Sign-On (Page 42) Dr. Dobb's Journal - October 2008 - OpenID Single Sign-On (Page 43) Dr. Dobb's Journal - October 2008 - OpenID Single Sign-On (Page 44) Dr. Dobb's Journal - October 2008 - OpenID Single Sign-On (Page 45) Dr. Dobb's Journal - October 2008 - The Book Cipher Algorithm (Page 46) Dr. Dobb's Journal - October 2008 - The Book Cipher Algorithm (Page 47) Dr. Dobb's Journal - October 2008 - The Book Cipher Algorithm (Page 48) Dr. Dobb's Journal - October 2008 - The Book Cipher Algorithm (Page 49) Dr. Dobb's Journal - October 2008 - The Book Cipher Algorithm (Page 50) Dr. Dobb's Journal - October 2008 - The Book Cipher Algorithm (Page 51) Dr. Dobb's Journal - October 2008 - Indexing and Searching Image files (Page 52) Dr. Dobb's Journal - October 2008 - Indexing and Searching Image files (Page 53) Dr. Dobb's Journal - October 2008 - Indexing and Searching Image files (Page 54) Dr. Dobb's Journal - October 2008 - Indexing and Searching Image files (Page 55) Dr. Dobb's Journal - October 2008 - Extending Continuous Integration Into ALM (Page 56) Dr. Dobb's Journal - October 2008 - Extending Continuous Integration Into ALM (Page 57) Dr. Dobb's Journal - October 2008 - Extending Continuous Integration Into ALM (Page 58) Dr. Dobb's Journal - October 2008 - Extending Continuous Integration Into ALM (Page 59) Dr. Dobb's Journal - October 2008 - Extending Continuous Integration Into ALM (Page 60) Dr. Dobb's Journal - October 2008 - Extending Continuous Integration Into ALM (Page 61) Dr. Dobb's Journal - October 2008 - Extending Continuous Integration Into ALM (Page 62) Dr. Dobb's Journal - October 2008 - Extending Continuous Integration Into ALM (Page 63) Dr. Dobb's Journal - October 2008 - The Agile Edge (Page 64) Dr. Dobb's Journal - October 2008 - The Agile Edge (Page 65) Dr. Dobb's Journal - October 2008 - The Agile Edge (Page 66) Dr. Dobb's Journal - October 2008 - The Agile Edge (Page 67) Dr. Dobb's Journal - October 2008 - Effective Concurrency (Page 68) Dr. Dobb's Journal - October 2008 - Effective Concurrency (Page 69) Dr. Dobb's Journal - October 2008 - Effective Concurrency (Page 70) Dr. Dobb's Journal - October 2008 - Effective Concurrency (Page 71) Dr. Dobb's Journal - October 2008 - Swaine’s Flames (Page 72) Dr. Dobb's Journal - October 2008 - Swaine’s Flames (Page Cover3) Dr. Dobb's Journal - October 2008 - Swaine’s Flames (Page Cover4)
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