1 files changed, 138 insertions, 0 deletions
diff --git a/demos/quickstart/protected/index/Zend/Search/Lucene/Search/Weight/Phrase.php b/demos/quickstart/protected/index/Zend/Search/Lucene/Search/Weight/Phrase.php
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@@ -0,0 +1,138 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to version 1.0 of the Zend Framework
+ * license, that is bundled with this package in the file LICENSE, and
+ * is available through the world-wide-web at the following URL:
+ * http://www.zend.com/license/framework/1_0.txt. If you did not receive
+ * a copy of the Zend Framework license and are unable to obtain it
+ * through the world-wide-web, please send a note to license@zend.com
+ * so we can mail you a copy immediately.
+ *
+ * @package    Zend_Search_Lucene
+ * @subpackage Search
+ * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
+ */
+
+
+/**
+ * Zend_Search_Lucene_Search_Weight
+ */
+require_once 'Zend/Search/Lucene/Search/Weight.php';
+
+/**
+ * @package    Zend_Search_Lucene
+ * @subpackage Search
+ * @copyright  Copyright (c) 2005-2006 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://www.zend.com/license/framework/1_0.txt Zend Framework License version 1.0
+ */
+class Zend_Search_Lucene_Search_Weight_Phrase extends Zend_Search_Lucene_Search_Weight
+{
+    /**
+     * IndexReader.
+     *
+     * @var Zend_Search_Lucene
+     */
+    private $_reader;
+
+    /**
+     * The query that this concerns.
+     *
+     * @var Zend_Search_Lucene_Search_Query_Phrase
+     */
+    private $_query;
+
+    /**
+     * Weight value
+     *
+     * @var float
+     */
+    private $_value;
+
+    /**
+     * Score factor
+     *
+     * @var float
+     */
+    private $_idf;
+
+    /**
+     * Normalization factor
+     *
+     * @var float
+     */
+    private $_queryNorm;
+
+
+    /**
+     * Query weight
+     *
+     * @var float
+     */
+    private $_queryWeight;
+
+
+    /**
+     * Zend_Search_Lucene_Search_Weight_Phrase constructor
+     *
+     * @param Zend_Search_Lucene_Search_Query_Phrase $query
+     * @param Zend_Search_Lucene $reader
+     */
+    public function __construct(Zend_Search_Lucene_Search_Query_Phrase $query, Zend_Search_Lucene $reader)
+    {
+        $this->_query  = $query;
+        $this->_reader = $reader;
+    }
+
+
+    /**
+     * The weight for this query
+     *
+     * @return float
+     */
+    public function getValue()
+    {
+        return $this->_value;
+    }
+
+
+    /**
+     * The sum of squared weights of contained query clauses.
+     *
+     * @return float
+     */
+    public function sumOfSquaredWeights()
+    {
+        // compute idf
+        $this->_idf = $this->_reader->getSimilarity()->idf($this->_query->getTerms(), $this->_reader);
+
+        // compute query weight
+        $this->_queryWeight = $this->_idf * $this->_query->getBoost();
+
+        // square it
+        return $this->_queryWeight * $this->_queryWeight;
+    }
+
+
+    /**
+     * Assigns the query normalization factor to this.
+     *
+     * @param float $queryNorm
+     */
+    public function normalize($queryNorm)
+    {
+        $this->_queryNorm = $queryNorm;
+
+        // normalize query weight
+        $this->_queryWeight *= $queryNorm;
+
+        // idf for documents
+        $this->_value = $this->_queryWeight * $this->_idf;
+    }
+}
+
+