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id="mainSection"><div id="mainBody"><div id="allHistory" class="saveHistory" onsave="saveAll()" onload="loadAll()" /><span style="color: DarkGray"></span><p>The <a href="e26a1f99-0b64-ba13-9ec4-cde23885af56.htm">BooleanQuery</a> type exposes the following members.</p><h1 class="heading"><span onclick="ExpandCollapse(methodTableToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(methodTableToggle, event)" tabindex="0"><img id="methodTableToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Methods</span></h1><div id="methodTableSection" class="section" name="collapseableSection" style=""><table id="memberList" class="members" frame="lhs" cellpadding="2"><col width="10%" /><tr><th class="iconColumn">
               
            </th><th class="nameColumn">Name</th><th class="descriptionColumn">Description</th></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="4004d71f-4494-e95b-c14f-26620f810416.htm">Add(BooleanClause)</a></td><td><div class="summary">Adds a clause to a boolean query.</div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="718c86b0-12dd-d70c-6c51-ba3cecbb3fcc.htm">Add(Query, BooleanClause<span class="languageSpecificText"><span class="cs">.</span><span class="vb">.</span><span class="cpp">::</span><span class="nu">.</span><span class="fs">.</span></span>Occur)</a></td><td><div class="summary">Adds a clause to a boolean query.
            
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="249e2579-d76f-3af0-5af9-f133518b81c4.htm">Clauses</a></td><td><div class="summary">Returns the list of clauses in this query. </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="6d45323e-2607-5f7a-e28c-c5b3c5e193f5.htm">Clone</a></td><td> (Overrides <a href="708d50c0-d015-de8e-bd97-75ccd21c3b3b.htm">Query<span class="languageSpecificText"><span class="cs">.</span><span class="vb">.</span><span class="cpp">::</span><span class="nu">.</span><span class="fs">.</span></span>Clone<span class="languageSpecificText"><span class="cs">()</span><span class="cpp">()</span><span class="nu">()</span><span class="fs">()</span></span></a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="2cb623ec-94e8-7be3-c554-1302546ed5d3.htm">Combine</a></td><td><div class="summary">Expert: called when re-writing queries under MultiSearcher.
            
            Create a single query suitable for use by all subsearchers (in 1-1
            correspondence with queries). This is an optimization of the OR of
            all queries. We handle the common optimization cases of equal
            queries and overlapping clauses of boolean OR queries (as generated
            by MultiTermQuery.rewrite()).
            Be careful overriding this method as queries[0] determines which
            method will be called and is not necessarily of the same type as
            the other queries.
            </div> (Inherited from <a href="92f5b96d-ab32-4c16-79a2-bdc2e707f1fe.htm">Query</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="7181ba0e-3fb5-3ae3-c86f-93000fb21be1.htm">CreateWeight</a></td><td> (Overrides <a href="8bf708db-4694-5ed1-71e3-36308abf505f.htm">Query<span class="languageSpecificText"><span class="cs">.</span><span class="vb">.</span><span class="cpp">::</span><span class="nu">.</span><span class="fs">.</span></span>CreateWeight(Searcher)</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="8b6848c6-88f8-3423-90cb-919fd05ef307.htm">Equals</a></td><td><div class="summary">Returns true iff <span id="cbc_1" x-lang="CSharp" codeLanguage="CSharp"><div class="highlight-title"><span class="highlight-copycode" onkeypress="javascript:CopyColorizedCodeCheckKey(this.parentNode, event);" tabindex="0" onmouseover="CopyCodeChangeIcon(this)" onmouseout="CopyCodeChangeIcon(this)" onclick="javascript:CopyColorizedCode(this.parentNode);"><img style="margin-right: 5px;" src="../icons/CopyCode.gif" />Copy</span>C#</div><div class="code"><pre xml:space="preserve">o</pre></div></span> is equal to this. </div> (Overrides <a href="f2d5c7bc-192e-e592-0ed2-c2ded6669734.htm">Query<span class="languageSpecificText"><span class="cs">.</span><span class="vb">.</span><span class="cpp">::</span><span class="nu">.</span><span class="fs">.</span></span>Equals(Object)</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="cf5ee4b5-f4eb-1bad-6139-9d7ec5342988.htm">ExtractTerms</a></td><td> (Overrides <a href="4d5b001f-214f-5620-7aea-17e00c365d4b.htm">Query<span class="languageSpecificText"><span class="cs">.</span><span class="vb">.</span><span class="cpp">::</span><span class="nu">.</span><span class="fs">.</span></span>ExtractTerms(Hashtable)</a>.)</td></tr><tr data="protected;inherited;notNetfw;"><td><img src="../icons/protmethod.gif" alt="Protected method" title="Protected method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/4k87zsw7" target="_blank">Finalize</a></td><td><div class="summary">Allows an <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a> to attempt to free resources and perform other cleanup operations before the <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a> is reclaimed by garbage collection.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="16dc676d-4ac6-99c4-8866-91395175b63f.htm">GetAllowDocsOutOfOrder</a></td><td> <font color="red"><b>Obsolete. </b></font><div class="summary"> Whether hit docs may be collected out of docid order.
            
            </div></td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="e4bdba3b-0e43-515a-f40e-5ee7afdc7b79.htm">GetBoost</a></td><td><div class="summary">Gets the boost for this clause.  Documents matching
            this clause will (in addition to the normal weightings) have their score
            multiplied by <span id="cbc_2" x-lang="CSharp" codeLanguage="CSharp"><div class="highlight-title"><span class="highlight-copycode" onkeypress="javascript:CopyColorizedCodeCheckKey(this.parentNode, event);" tabindex="0" onmouseover="CopyCodeChangeIcon(this)" onmouseout="CopyCodeChangeIcon(this)" onclick="javascript:CopyColorizedCode(this.parentNode);"><img style="margin-right: 5px;" src="../icons/CopyCode.gif" />Copy</span>C#</div><div class="code"><pre xml:space="preserve">b</pre></div></span>.   The boost is 1.0 by default.
            </div> (Inherited from <a href="92f5b96d-ab32-4c16-79a2-bdc2e707f1fe.htm">Query</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="f4120246-32a3-42ce-94ce-19882d84d0b8.htm">GetClauses</a></td><td><div class="summary">Returns the set of clauses in this query. </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="6c084445-da36-e850-055d-b93de8ee1693.htm">GetHashCode</a></td><td><div class="summary">Returns a hash code value for this object.</div> (Overrides <a href="b2f12650-6be0-c3ac-cb01-c95e28754b95.htm">Query<span class="languageSpecificText"><span class="cs">.</span><span class="vb">.</span><span class="cpp">::</span><span class="nu">.</span><span class="fs">.</span></span>GetHashCode<span class="languageSpecificText"><span class="cs">()</span><span class="cpp">()</span><span class="nu">()</span><span class="fs">()</span></span></a>.)</td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="777cd866-87c7-d675-e4fe-add3fcc18879.htm">GetMaxClauseCount</a></td><td><div class="summary">Return the maximum number of clauses permitted, 1024 by default.
            Attempts to add more than the permitted number of clauses cause {@link
            TooManyClauses} to be thrown.
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="e5996eb4-b56c-30fa-f3d7-df5181291e11.htm">GetMinimumNumberShouldMatch</a></td><td><div class="summary"> Gets the minimum number of the optional BooleanClauses
            which must be satisifed.
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="4eeb0593-80ed-7e6b-38c8-132424f670f8.htm">GetSimilarity</a></td><td> (Overrides <a href="dff5e56d-b71a-ff9b-0067-d2dc729a2b2f.htm">Query<span class="languageSpecificText"><span class="cs">.</span><span class="vb">.</span><span class="cpp">::</span><span class="nu">.</span><span class="fs">.</span></span>GetSimilarity(Searcher)</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/dfwy45w9" target="_blank">GetType</a></td><td><div class="summary">Gets the <a href="http://msdn2.microsoft.com/en-us/library/42892f65" target="_blank">Type</a> of the current instance.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="164ea5fc-1da1-4457-479e-242f7f8cd41f.htm">GetUseScorer14</a></td><td> <font color="red"><b>Obsolete. </b></font></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="e3e509ec-6459-d815-1a3c-def6cb350e3b.htm">IsCoordDisabled</a></td><td><div class="summary">Returns true iff {@link Similarity#Coord(int,int)} is disabled in
            scoring for this query instance.
            </div></td></tr><tr data="protected;inherited;notNetfw;"><td><img src="../icons/protmethod.gif" alt="Protected method" title="Protected method" /></td><td><a href="http://msdn2.microsoft.com/en-us/library/57ctke0a" target="_blank">MemberwiseClone</a></td><td><div class="summary">Creates a shallow copy of the current <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.</div> (Inherited from <a href="http://msdn2.microsoft.com/en-us/library/e5kfa45b" target="_blank">Object</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="08b4ddae-ccfb-7946-b6b7-b734d6915e38.htm">Rewrite</a></td><td> (Overrides <a href="3324c427-77a4-ae29-c180-6f1b947102bb.htm">Query<span class="languageSpecificText"><span class="cs">.</span><span class="vb">.</span><span class="cpp">::</span><span class="nu">.</span><span class="fs">.</span></span>Rewrite(IndexReader)</a>.)</td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="e725e2db-dcd8-8bdf-2f97-3348bc74f53c.htm">SetAllowDocsOutOfOrder</a></td><td> <font color="red"><b>Obsolete. </b></font><div class="summary"> Expert: Indicates whether hit docs may be collected out of docid order.
            
            <p />
            Background: although the contract of the Scorer class requires that
            documents be iterated in order of doc id, this was not true in early
            versions of Lucene. Many pieces of functionality in the current Lucene code
            base have undefined behavior if this contract is not upheld, but in some
            specific simple cases may be faster. (For example: disjunction queries with
            less than 32 prohibited clauses; This setting has no effect for other
            queries.)
            <p /><p />
            Specifics: By setting this option to true, docid N might be scored for a
            single segment before docid N-1. Across multiple segments, docs may be
            scored out of order regardless of this setting - it only applies to scoring
            a single segment.
            
            Being static, this setting is system wide.
            <p /></div></td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="8d6c688c-9d9b-aad5-dca5-f357a70fa9d5.htm">SetBoost</a></td><td><div class="summary">Sets the boost for this query clause to <span id="cbc_3" x-lang="CSharp" codeLanguage="CSharp"><div class="highlight-title"><span class="highlight-copycode" onkeypress="javascript:CopyColorizedCodeCheckKey(this.parentNode, event);" tabindex="0" onmouseover="CopyCodeChangeIcon(this)" onmouseout="CopyCodeChangeIcon(this)" onclick="javascript:CopyColorizedCode(this.parentNode);"><img style="margin-right: 5px;" src="../icons/CopyCode.gif" />Copy</span>C#</div><div class="code"><pre xml:space="preserve">b</pre></div></span>.  Documents
            matching this clause will (in addition to the normal weightings) have
            their score multiplied by <span id="cbc_4" x-lang="CSharp" codeLanguage="CSharp"><div class="highlight-title"><span class="highlight-copycode" onkeypress="javascript:CopyColorizedCodeCheckKey(this.parentNode, event);" tabindex="0" onmouseover="CopyCodeChangeIcon(this)" onmouseout="CopyCodeChangeIcon(this)" onclick="javascript:CopyColorizedCode(this.parentNode);"><img style="margin-right: 5px;" src="../icons/CopyCode.gif" />Copy</span>C#</div><div class="code"><pre xml:space="preserve">b</pre></div></span>.
            </div> (Inherited from <a href="92f5b96d-ab32-4c16-79a2-bdc2e707f1fe.htm">Query</a>.)</td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="8f6fb0fc-92a5-edb0-7d47-caa6f814d87b.htm">SetMaxClauseCount</a></td><td><div class="summary"> Set the maximum number of clauses permitted per BooleanQuery.
            Default value is 1024.
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="26a75ffd-5a13-8704-12b2-0008908bbfc3.htm">SetMinimumNumberShouldMatch</a></td><td><div class="summary"> Specifies a minimum number of the optional BooleanClauses
            which must be satisfied.
            
            <p />
            By default no optional clauses are necessary for a match
            (unless there are no required clauses).  If this method is used,
            then the specified number of clauses is required.
            <p /><p />
            Use of this method is totally independent of specifying that
            any specific clauses are required (or prohibited).  This number will
            only be compared against the number of matching optional clauses.
            <p /><p />
            EXPERT NOTE: Using this method may force collecting docs in order,
            regardless of whether setAllowDocsOutOfOrder(true) has been called.
            <p /></div></td></tr><tr data="public;static;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /><img src="../icons/static.gif" alt="Static member" title="Static member" /></td><td><a href="d7e74296-65fd-c502-eebf-801b43ccd6e4.htm">SetUseScorer14</a></td><td> <font color="red"><b>Obsolete. </b></font></td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="67c4f483-0f22-f506-6eaa-00e678fab848.htm">ToString<span class="languageSpecificText"><span class="cs">()</span><span class="cpp">()</span><span class="nu">()</span><span class="fs">()</span></span></a></td><td><div class="summary">Prints a query to a string. </div> (Inherited from <a href="92f5b96d-ab32-4c16-79a2-bdc2e707f1fe.htm">Query</a>.)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="3f41749a-008d-6173-7a77-61dd0c22cc20.htm">ToString(String)</a></td><td><div class="summary">Prints a user-readable version of this query. </div> (Overrides <a href="890e21a1-dce7-ec3d-a0dc-5a198d1245ac.htm">Query<span class="languageSpecificText"><span class="cs">.</span><span class="vb">.</span><span class="cpp">::</span><span class="nu">.</span><span class="fs">.</span></span>ToString(String)</a>.)</td></tr><tr data="public;inherited;notNetfw;"><td><img src="../icons/pubmethod.gif" alt="Public method" title="Public method" /></td><td><a href="394a1981-8321-09c2-bbd3-14730e82149e.htm">Weight</a></td><td><div class="summary"> Expert: Constructs and initializes a Weight for a top-level query.</div> (Inherited from <a href="92f5b96d-ab32-4c16-79a2-bdc2e707f1fe.htm">Query</a>.)</td></tr></table></div><h1 class="heading"><span onclick="ExpandCollapse(seeAlsoToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(seeAlsoToggle, event)" tabindex="0"><img id="seeAlsoToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />See Also</span></h1><div id="seeAlsoSection" class="section" name="collapseableSection" style=""><div class="seeAlsoStyle"><a href="e26a1f99-0b64-ba13-9ec4-cde23885af56.htm">BooleanQuery Class</a></div><div class="seeAlsoStyle"><a href="5715bafd-c3a8-9ed0-225c-3c4cececbdc0.htm">Lucene.Net.Search Namespace</a></div></div></div><div id="footer"><div class="footerLine"><img width="100%" height="3px" src="../icons/footer.gif" alt="Footer image" title="Footer image" /></div><A NAME="feedback"></A><span id="fb" class="feedbackcss"></span></div></div></body></html>