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Precedence Query Parser Implementation
Lucene Precedence Query Parser

The Precedence Query Parser extends the Standard Query Parser and enables 
the boolean precedence. So, the query <a AND b OR c AND d> is parsed to 
<(+a +b) (+c +d)> instead of <+a +b +c +d>.
 Check StandardQueryParser for more details about the supported syntax and query parser functionalities. /** 
 * Precedence Query Parser Implementation
 * 
 * <h2>Lucene Precedence Query Parser</h2>
 * 
 * <p>
 * The Precedence Query Parser extends the Standard Query Parser and enables 
 * the boolean precedence. So, the query &lt;a AND b OR c AND d&gt; is parsed to 
 * &lt;(+a +b) (+c +d)&gt; instead of &lt;+a +b +c +d&gt;.
 * <p>
 * Check {@link org.apache.lucene.queryparser.flexible.standard.StandardQueryParser} for more details about the
 * supported syntax and query parser functionalities. 
 */
package org.apache.lucene.queryparser.flexible.precedence;