changed inline documentation for JsDoc compatibility
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1 changed files with 151 additions and 96 deletions
247
helma/Search.js
247
helma/Search.js
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@ -17,12 +17,16 @@
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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//
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//
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// $Revision: 1.6 $
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// $Author: robert $
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// $Date: 2006/11/13 16:56:45 $
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// $Revision: 1.7 $
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// $Author: hannes $
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// $Date: 2006/11/27 12:32:36 $
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//
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/**
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* @fileoverview Fields and methods of the helma.Search class
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*/
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// take care of any dependencies
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app.addRepository('modules/helma/lucene-core.jar');
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app.addRepository('modules/helma/lucene-analyzers.jar');
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@ -33,12 +37,12 @@ if (!global.helma) {
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}
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/**
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* Constructs a new instance of Search. This merely
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* checks if the Lucene library is in the application
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* Constructs a new instance of helma.Search. This merely
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* checks if the Apache Lucene library is in the application
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* classpath.
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* @classDescription This class provides functionality for
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* creating a search index.
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* @return A newly created instance of this prototype.
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* @class This class provides functionality for
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* creating a fulltext search index based on Apache Lucene.
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* @returns A newly created instance of this prototype.
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* @constructor
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*/
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helma.Search = function() {
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@ -55,11 +59,11 @@ helma.Search = function() {
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};
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/**********************
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* STATIC METHODS *
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**********************/
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/***************************************
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***** S T A T I C M E T H O D S *****
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***************************************/
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/** @ignore */
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helma.Search.toString = function() {
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return "[helma.Search]";
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};
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@ -74,7 +78,7 @@ helma.Search.toString = function() {
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* "whitespace" (WhitespaceAnalyzer). If no argument is given, a StandardAnalyzer
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* is returned.
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* @param {String} key The key identifying the analyzer
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* @return A newly created Analyzer instance
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* @returns A newly created Analyzer instance
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* @type {org.apache.lucene.analysis.Analyzer}
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*/
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helma.Search.getAnalyzer = function(key) {
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@ -116,16 +120,21 @@ helma.Search.getAnalyzer = function(key) {
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* wraps a lucene QueryFilter.
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* @param {helma.Search.Query} q The query object to use as
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* the basis for the QueryFilter instance.
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* @return A newly created QueryFilter instance.
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* @returns A newly created QueryFilter instance.
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* @constructor
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*/
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helma.Search.QueryFilter = function(q) {
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var wrappedFilter = new Packages.org.apache.lucene.search.QueryFilter(q.getQuery());
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/**
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* Returns the wrapped filter instance
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* @type org.apache.lucene.search.QueryFilter
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*/
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this.getFilter = function() {
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return wrappedFilter;
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};
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/** @ignore */
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this.toString = function() {
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return wrappedFilter.toString();
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};
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@ -134,9 +143,9 @@ helma.Search.QueryFilter = function(q) {
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};
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/*************************
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* PROTOTYPE METHODS *
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*************************/
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/*********************************************
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***** P R O T O T Y P E M E T H O D S *****
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*********************************************/
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/** @ignore */
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@ -145,10 +154,13 @@ helma.Search.prototype.toString = function() {
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};
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/**
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* Returns an instance of org.apache.lucene.store.FSDirectory
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* @param {File | helma.File | java.io.File | String} dir The directory
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* Returns an instance of org.apache.lucene.store.FSDirectory. If
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* no index is present in the given directory, it is created on the fly.
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* @param {File|helma.File|java.io.File|String} dir The directory
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* where the index is located or should be created at.
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* @return The index directory.
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* @param {Boolean} create If true the index will be created, removing
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* any existing index in the same directory
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* @returns The index directory.
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* @type org.apache.lucene.store.FSDirectory
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*/
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helma.Search.prototype.getDirectory = function(dir, create) {
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@ -169,9 +181,9 @@ helma.Search.prototype.getDirectory = function(dir, create) {
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/**
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* Returns a RAM directory object.
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* @param {File | helma.File | java.io.File | String} dir Optional directory
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* @param {File|helma.File|java.io.File|String} dir Optional directory
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* containing a Lucene index from which this RAM directory should be created.
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* @return A RAM directory instance.
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* @returns A RAM directory instance.
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* @type org.apache.lucene.store.RAMDirectory
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*/
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helma.Search.prototype.getRAMDirectory = function(dir) {
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* FSDirectory or a RAMDirectory instance.
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* @param {org.apache.lucene.analysis.Analyzer} analyzer The analyzer to
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* use for the index. If not specified a StandardAnalyzer will be used.
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* @return The index instance.
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* @returns The index instance.
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* @type helma.Search.Index
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*/
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helma.Search.prototype.createIndex = function(dir, analyzer) {
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@ -220,12 +232,13 @@ helma.Search.prototype.createIndex = function(dir, analyzer) {
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};
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/*************
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* INDEX *
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*************/
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/*********************
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***** I N D E X *****
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*********************/
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/**
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* Creates a new instance of helma.Search.Index
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* @class Instances of this class represent a Lucene search index
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* located in either a directory on disk or in RAM. This class
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* provides various methods for modifying the underlying Lucene index.
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@ -266,7 +279,7 @@ helma.Search.Index = function(directory, analyzer) {
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* index is currently locked this method will try for the next
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* two seconds to create the IndexModifier, otherwise it will
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* throw an error.
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* @return An IndexModifier instance.
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* @returns An IndexModifier instance.
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* @type org.apache.lucene.index.IndexModifier
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*/
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this.getModifier = function(create) {
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* If the index is currently locked this method will try for the next
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* two seconds to create the IndexWriter, otherwise it will
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* throw an error.
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* @return An IndexWriter instance.
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* @returns An IndexWriter instance.
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* @type org.apache.lucene.index.IndexWriter
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*/
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this.getWriter = function(create) {
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/**
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* Returns an IndexReader instance. Due to locking issues an
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* IndexModifier should be used for deleting documents.
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* @return An IndexReader instance
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* @returns An IndexReader instance
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* @type org.apache.lucene.index.IndexReader
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*/
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this.getReader = function() {
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/**
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* Returns the directory the underlying Lucene index is located at.
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* @return The directory of this index
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* @returns The directory of this index
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* @type org.apache.lucene.store.Directory
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*/
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this.getDirectory = function() {
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/**
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* Returns the analyzer used within this index.
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* @return The analyzer used within this index.
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* @returns The analyzer used within this index.
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* @type org.apache.lucene.analysis.Analyer
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*/
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this.getAnalyzer = function() {
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/**
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* Returns a searcher for querying this index.
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* @return A searcher useable for querying the index.
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* @returns A searcher useable for querying the index.
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* @type helma.Search.Searcher
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*/
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this.getSearcher = function() {
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/**
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* Creates a new index. This will delete any existing index
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* files in the directory of this index.
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* @returns True if creating the index was successful, false otherwise
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* @type Boolean
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*/
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helma.Search.Index.prototype.create = function() {
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try {
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Packages.org.apache.lucene.store.FSDirectory.getDirectory(dir, true);
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var writer = this.getWriter(true);
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return true;
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} catch (e) {
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app.logger.warn("Unable to create the index " + this.getDirectory());
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return false;
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} finally {
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if (writer != null) {
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writer.close();
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}
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}
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return;
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};
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/**
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* Returns the number of documents in this index.
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* @return The number of documents in this index.
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* @returns The number of documents in this index.
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* @type Number
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*/
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helma.Search.Index.prototype.size = function() {
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/**
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* Returns an array containing all field names in this index.
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* @return An array with the field names in this index.
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* @returns An array with the field names in this index.
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* @type Array
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*/
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helma.Search.Index.prototype.getFieldNames = function() {
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/**
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* Checks if the index is locked.
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* @return True if the underlying index is locked,
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* @returns True if the underlying index is locked,
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* false otherwise.
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* @type Boolean
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*/
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/**
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* Adds all documents in the passed collection to this index.
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* @param {java.util.Hashtable | java.util.Vector | Array} docs
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* @param {java.util.Hashtable|java.util.Vector|Array} docs
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* The documents to add to the index.
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*/
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helma.Search.Index.prototype.addDocuments = function(docs, mergeFactor) {
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* with the given name matches the passed value argument.
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* @param {String} fieldName The name of the field
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* @param {String} fieldValue The value of the field.
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* @return The number of documents that have been deleted.
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* @returns The number of documents that have been deleted.
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* @type Number
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*/
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helma.Search.Index.prototype.removeDocument = function(fieldName, fieldValue) {
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* Removes all documents whose field with the given name matches
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* the values passed as argument.
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* @param {String} fieldName The name of the field
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* @param {java.util.Hashtable | java.util.Vector | Array} values
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* @param {java.util.Hashtable|java.util.Vector|Array} values
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* The values that define the documents that should be removed from
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* the index.
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* @return An array containing the numbers of deleted documents
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* @returns An array containing the numbers of deleted documents
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* for each field value.
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* @type Array
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*/
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helma.Search.Index.prototype.removeDocuments = function(fieldName, values) {
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try {
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};
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/**
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* Creates a new instance of helma.Search.Seacher
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* @class This class provides basic functionality for
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* searching an index.
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* @param {helma.Search.Index} index The index to search in.
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* @return A newly created index searcher
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* @returns A newly created index searcher
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* @constructor
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*/
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helma.Search.Searcher = function(index) {
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* @param {helma.Search.Query} query The query to use for searching
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* @param {helma.Search.QueryFilter} filter An optional query filter
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* for filtering the results.
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* @return The number of hits.
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* @returns The number of hits.
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* @type Number
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*/
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helma.Search.Searcher.prototype.search = function(query, filter) {
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};
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/**
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* Creates a new instance of helma.Search.HitCollection
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* @class This class provides Helma-like methods for accessing
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* a collection of search hits.
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* @param {org.lucene.search.Hits} hits The hit collection returned
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* Silently converts the hit at the given index position into
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* an instance of helma.Search.Document.
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* @param {Number} idx The index position of the hit
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* @return The document object at the given index position
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* @returns The document object at the given index position
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* @type helma.Search.Document
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*/
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this.get = function(idx) {
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/**
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* Returns the number of hits in this collection.
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* @return The number of hits.
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* @returns The number of hits.
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* @type Number
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*/
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this.size = this.length = function() {
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this.size = function() {
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return (hits != null) ? hits.length() : 0;
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};
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/**
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* Returns the number of hits in this collection
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* @returns The number of hits.
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* @type Number
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* @deprecated
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* @see #size
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*/
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return this;
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};
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/**************************
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* QUERY CONSTRUCTORS *
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**************************/
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/***********************************************
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***** Q U E R Y C O N S T R U C T O R S *****
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***********************************************/
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/**
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* Creates a new instance of helma.Search.Query
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* @class Base class for the various query constructors. Don't
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* call this directly, as it provides just basic methods used
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* in all of its extends.
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/**
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* Returns the wrapped Lucene Query object.
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* @return The wrapped query object
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* @returns The wrapped query object
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* @type org.apache.lucene.search.Query
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*/
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helma.Search.Query.prototype.getQuery = function() {
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@ -801,7 +830,7 @@ helma.Search.Query.prototype.setBoost = function(fact) {
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};
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/**
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* Term Query constructor
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* Creates a new instance of helma.Search.TermQuery
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* @class This class represents a simple Term Query.
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* @param {String} field The name of the field
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* @param {String} str The value of the field
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*/
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helma.Search.TermQuery = function(field, str) {
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var t = new Packages.org.apache.lucene.index.Term(field, str);
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/**
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* Contains the wrapped TermQuery instance
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* @type org.apache.lucene.search.TermQuery
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*/
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this.query = new Packages.org.apache.lucene.search.TermQuery(t);
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return this;
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};
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helma.Search.TermQuery.prototype = new helma.Search.Query;
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/**
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* Boolean Query constructor
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* Creates a new instance of helma.Search.BooleanQuery
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* @class This class represents a Boolean Query, providing
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* various methods for combining other Query instances using boolean operators.
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* @param String name of the field
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* @param String query string
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* @return Object BooleanQuery object
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* @returns Object BooleanQuery object
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* @constructor
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* @extends helma.Search.Query
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*/
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helma.Search.BooleanQuery = function(field, str, clause, analyzer) {
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/**
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* Contains the wrapped BooleanQuery instance
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* @type org.apache.lucene.search.BooleanQuery
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*/
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this.query = new Packages.org.apache.lucene.search.BooleanQuery();
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/**
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@ -846,7 +883,7 @@ helma.Search.BooleanQuery.prototype = new helma.Search.Query;
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* addTerm("fieldname", "querystring", "and")
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* addTerm("fieldname", "querystring", helma.Search.getAnalyzer("de"))
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* addTerm("fieldname", "querystring", "not", helma.Search.getAnalyzer("simple"))</pre>
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* @param {String | Array} field Either a String or an Array containing Strings
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* @param {String|Array} field Either a String or an Array containing Strings
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* that determine the index field(s) to match
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* @param {String} str Query string to match
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* @param {String} clause Boolean clause ("or", "not" or "and", default is "and")
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@ -900,16 +937,20 @@ helma.Search.BooleanQuery.prototype.addQuery = function(q, clause) {
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};
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/**
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* Constructs a new PhraseQuery instance that wraps a lucene Phrase
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* Query object.
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* Constructs a new helma.Search.PhraseQuery instance that wraps
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* a Lucene Phrase Query object.
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* @class Instances of this class represent a phrase query.
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* @param {String} field The name of the field
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* @param {String} str The phrase query string
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* @return A newly created PhraseQuery instance
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* @returns A newly created PhraseQuery instance
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* @constructor
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* @extends helma.Search.Query
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*/
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helma.Search.PhraseQuery = function(field, str) {
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/**
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* Contains the wrapped PhraseQuery instance
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* @type org.apache.lucene.search.PhraseQuery
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*/
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this.query = new Packages.org.apache.lucene.search.PhraseQuery();
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||||
|
||||
/**
|
||||
|
@ -929,14 +970,14 @@ helma.Search.PhraseQuery = function(field, str) {
|
|||
helma.Search.PhraseQuery.prototype = new helma.Search.Query;
|
||||
|
||||
/**
|
||||
* Constructs a new RangeQuery instance.
|
||||
* Constructs a new helma.Search.RangeQuery instance.
|
||||
* @class Instances of this class represent a range
|
||||
* query
|
||||
* query, wrapping a Lucene RangeQuery instance.
|
||||
* @param {String} field The name of the field
|
||||
* @param {String} from The minimum value to match (can be null)
|
||||
* @param {String} to The maximum value to match (can be null)
|
||||
* @param {Boolean} inclusive If true the given min/max values are included
|
||||
* @return A newly created RangeQuery instance
|
||||
* @returns A newly created RangeQuery instance
|
||||
* @constructor
|
||||
* @extends helma.Search.Query
|
||||
*/
|
||||
|
@ -947,66 +988,83 @@ helma.Search.RangeQuery = function(field, from, to, inclusive) {
|
|||
inclusive = true;
|
||||
var t1 = from ? new Packages.org.apache.lucene.index.Term(field, from) : null;
|
||||
var t2 = to ? new Packages.org.apache.lucene.index.Term(field, to) : null;
|
||||
/**
|
||||
* Contains the wrapped RangeQuery instance
|
||||
* @type org.apache.lucene.search.RangeQuery
|
||||
*/
|
||||
this.query = new Packages.org.apache.lucene.search.RangeQuery(t1, t2, inclusive);
|
||||
return this;
|
||||
};
|
||||
helma.Search.RangeQuery.prototype = new helma.Search.Query;
|
||||
|
||||
/**
|
||||
* Constructs a new FuzzyQuery instance
|
||||
* Constructs a new helma.Search.FuzzyQuery instance.
|
||||
* @class Instances of this class represent a fuzzy query
|
||||
* @param {String} field The name of the field
|
||||
* @param {String} str The query string to match
|
||||
* @return A newly created FuzzyQuery instance
|
||||
* @returns A newly created FuzzyQuery instance
|
||||
* @constructor
|
||||
* @extends helma.Search.Query
|
||||
*/
|
||||
helma.Search.FuzzyQuery = function(field, str) {
|
||||
var t = new Packages.org.apache.lucene.index.Term(field, str);
|
||||
/**
|
||||
* Contains the wrapped FuzzyQuery instance
|
||||
* @type org.apache.lucene.search.FuzzyQuery
|
||||
*/
|
||||
this.query = new Packages.org.apache.lucene.search.FuzzyQuery(t);
|
||||
return this;
|
||||
};
|
||||
helma.Search.FuzzyQuery.prototype = new helma.Search.Query;
|
||||
|
||||
/**
|
||||
* Constructs a new PrefixQuery instance.
|
||||
* Constructs a new helma.Search.PrefixQuery instance.
|
||||
* @class Instances of this class represent a prefix query
|
||||
* @param {String} field The name of the field
|
||||
* @param {String} str The query string to match
|
||||
* @return A newly created PrefixQuery instance
|
||||
* @returns A newly created PrefixQuery instance
|
||||
* @constructor
|
||||
* @extends helma.Search.Query
|
||||
*/
|
||||
helma.Search.PrefixQuery = function(field, str) {
|
||||
var t = new Packages.org.apache.lucene.index.Term(field, str);
|
||||
/**
|
||||
* Contains the wrapped PrefixQuery instance
|
||||
* @type org.apache.lucene.search.PrefixQuery
|
||||
*/
|
||||
this.query = new Packages.org.apache.lucene.search.PrefixQuery(t);
|
||||
return this;
|
||||
};
|
||||
helma.Search.PrefixQuery.prototype = new helma.Search.Query;
|
||||
|
||||
/**
|
||||
* Constructs a new WildcardQuery instance.
|
||||
* Constructs a new helma.Search.WildcardQuery instance.
|
||||
* @class Instances of this class represent a wildcard query.
|
||||
* @param {String} field The name of the field
|
||||
* @param {String} str The query string to match
|
||||
* @return A newly created WildcardQuery instance
|
||||
* @returns A newly created WildcardQuery instance
|
||||
* @constructor
|
||||
* @extends helma.Search.Query
|
||||
*/
|
||||
helma.Search.WildcardQuery = function(field, str) {
|
||||
var t = new Packages.org.apache.lucene.index.Term(field, str);
|
||||
/**
|
||||
* Contains the wrapped WildcardQuery instance
|
||||
* @type org.apache.lucene.search.WildcardQuery
|
||||
*/
|
||||
this.query = new Packages.org.apache.lucene.search.WildcardQuery(t);
|
||||
return this;
|
||||
};
|
||||
helma.Search.WildcardQuery.prototype = new helma.Search.Query;
|
||||
|
||||
|
||||
/****************
|
||||
* DOCUMENT *
|
||||
****************/
|
||||
/***************************
|
||||
***** D O C U M E N T *****
|
||||
***************************/
|
||||
|
||||
|
||||
/**
|
||||
* Creates a new instance of helma.Search.Document.
|
||||
* @class Instances of this class represent a single
|
||||
* index document. This class provides various methods for
|
||||
* adding content to such documents.
|
||||
|
@ -1020,7 +1078,7 @@ helma.Search.Document = function(document) {
|
|||
|
||||
/**
|
||||
* Returns the wrapped Lucene Document object
|
||||
* @return The wrapped Document object
|
||||
* @returns The wrapped Document object
|
||||
* @type org.apache.lucene.document.Document
|
||||
*/
|
||||
this.getDocument = function() {
|
||||
|
@ -1036,9 +1094,9 @@ helma.Search.Document = function(document) {
|
|||
* @param {String} value The value of the field
|
||||
* @param {Object} param Optional parameter object containing the following properties:
|
||||
* <ul>
|
||||
* <li>.store (Boolean) defaults to true</li>
|
||||
* <li>.index (Boolean) defaults to true</li>
|
||||
* <li>.tokenize (Boolean) defaults to true</li>
|
||||
* <li><code>store</code> (Boolean) defaults to true</li>
|
||||
* <li><code>index</code> (Boolean) defaults to true</li>
|
||||
* <li><code>tokenize</code> (Boolean) defaults to true</li>
|
||||
* </ul>
|
||||
*/
|
||||
helma.Search.Document.prototype.addField = function(name, value, param) {
|
||||
|
@ -1065,16 +1123,17 @@ helma.Search.Document.prototype.addField = function(name, value, param) {
|
|||
};
|
||||
|
||||
/**
|
||||
* Returns a single document field.
|
||||
* Returns a single document field containing a value other than
|
||||
* a date object, for which you should use {@link #getDateField}.
|
||||
* @param {String} name The name of the field in this document object.
|
||||
* @return An object containing the following properties:
|
||||
* @returns An object containing the following properties:
|
||||
* <ul>
|
||||
* <li>.name (String) The name of the field</li>
|
||||
* <li>.boost (Int) The boost factor</li>
|
||||
* <li>.indexed (Boolean) True if the field is indexed, false otherwise</li>
|
||||
* <li>.stored (Boolean) True if the field is stored, false otherwise</li>
|
||||
* <li>.tokenized (Boolean) True if the field is tokenized, false otherwise</li>
|
||||
* <li>.value (String) The value of the field</li>
|
||||
* <li><code>name</code> (String) The name of the field</li>
|
||||
* <li><code>boost</code> (Int) The boost factor</li>
|
||||
* <li><code>indexed</code> (Boolean) True if the field is indexed, false otherwise</li>
|
||||
* <li><code>stored</code> (Boolean) True if the field is stored, false otherwise</li>
|
||||
* <li><code>tokenized</code> (Boolean) True if the field is tokenized, false otherwise</li>
|
||||
* <li><code>value</code> (String) The value of the field</li>
|
||||
* </ul>
|
||||
* @type Object
|
||||
*/
|
||||
|
@ -1093,17 +1152,18 @@ helma.Search.Document.prototype.getField = function(name) {
|
|||
};
|
||||
|
||||
/**
|
||||
* Returns the value of a single document and converts the value to
|
||||
* a Date object.
|
||||
* Returns the value of a single document field converted into a
|
||||
* Date object. For retrieving a value without this conversion
|
||||
* see {@link #getField}.
|
||||
* @param {String} name The name of the field in this document object.
|
||||
* @return An object containing the following properties:
|
||||
* @returns An object containing the following properties:
|
||||
* <ul>
|
||||
* <li>.name (String) The name of the field</li>
|
||||
* <li>.boost (Int) The boost factor</li>
|
||||
* <li>.indexed (Boolean) True if the field is indexed, false otherwise</li>
|
||||
* <li>.stored (Boolean) True if the field is stored, false otherwise</li>
|
||||
* <li>.tokenized (Boolean) True if the field is tokenized, false otherwise</li>
|
||||
* <li>.value (String) The value of the field as Date</li>
|
||||
* <li><code>name</code> (String) The name of the field</li>
|
||||
* <li><code>boost</code> (Int) The boost factor</li>
|
||||
* <li><code>indexed</code> (Boolean) True if the field is indexed, false otherwise</li>
|
||||
* <li><code>stored</code> (Boolean) True if the field is stored, false otherwise</li>
|
||||
* <li><code>tokenized</code> (Boolean) True if the field is tokenized, false otherwise</li>
|
||||
* <li><code>value</code> (String) The value of the field as Date</li>
|
||||
* </ul>
|
||||
* @type Object
|
||||
* @see #getField
|
||||
|
@ -1119,7 +1179,7 @@ helma.Search.Document.prototype.getDateField = function(name) {
|
|||
|
||||
/**
|
||||
* Returns the fields of a document object.
|
||||
* @return An array containing all fields in this document object.
|
||||
* @returns An array containing all fields in this document object.
|
||||
* @type Array
|
||||
*/
|
||||
helma.Search.Document.prototype.getFields = function() {
|
||||
|
@ -1133,7 +1193,7 @@ helma.Search.Document.prototype.getFields = function() {
|
|||
|
||||
/**
|
||||
* Returns the boost factor of a document.
|
||||
* @return The boost factor of a document
|
||||
* @returns The boost factor of a document
|
||||
* @type Number
|
||||
*/
|
||||
helma.Search.Document.prototype.getBoost = function() {
|
||||
|
@ -1155,11 +1215,6 @@ helma.Search.Document.prototype.toString = function() {
|
|||
};
|
||||
|
||||
|
||||
/***************************
|
||||
* HELMA LIBRARY STUFF *
|
||||
***************************/
|
||||
|
||||
|
||||
helma.lib = "Search";
|
||||
helma.dontEnum(helma.lib);
|
||||
for (var i in helma[helma.lib])
|
||||
|
|
Loading…
Add table
Reference in a new issue