Par Winzell
126 lines
3.1 KiB
Java
126 lines
3.1 KiB
Java
//
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// $Id$
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//
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// Depot library - a Java relational persistence library
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// Copyright (C) 2006-2009 Michael Bayne and Pär Winzell
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.samskivert.depot.operator;
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import java.util.Collection;
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import com.samskivert.depot.PersistentRecord;
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import com.samskivert.depot.expression.FluentExp;
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import com.samskivert.depot.impl.FragmentVisitor;
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/**
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* An attempt at a dialect-agnostic full-text search condition, such as MySQL's MATCH() and
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* PostgreSQL's @@ TO_TSQUERY(...) abilities.
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*/
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public class FullText
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{
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public class Rank extends FluentExp
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{
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// from SQLExpression
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public Object accept (FragmentVisitor<?> builder)
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{
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return builder.visit(this);
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}
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// from SQLExpression
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public void addClasses (Collection<Class<? extends PersistentRecord>> classSet)
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{
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}
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@Override // from Object
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public String toString ()
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{
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return FullText.this.toString("Rank");
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}
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public FullText getDefinition ()
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{
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return FullText.this;
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}
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}
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public class Match extends FluentExp
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{
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// from SQLExpression
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public Object accept (FragmentVisitor<?> builder)
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{
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return builder.visit(this);
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}
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public FullText getDefinition ()
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{
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return FullText.this;
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}
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// from SQLExpression
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public void addClasses (Collection<Class<? extends PersistentRecord>> classSet)
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{
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}
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@Override // from Object
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public String toString ()
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{
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return FullText.this.toString("Match");
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}
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}
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public FullText (Class<? extends PersistentRecord> pClass, String name, String query)
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{
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_pClass = pClass;
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_name = name;
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_query = query;
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}
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public Match match ()
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{
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return new Match();
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}
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public Rank rank ()
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{
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return new Rank();
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}
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public Class<? extends PersistentRecord> getPersistentClass ()
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{
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return _pClass;
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}
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public String getName ()
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{
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return _name;
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}
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public String getQuery ()
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{
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return _query;
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}
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protected String toString (String subType)
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{
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return "FullText." + subType + "(" + _name + "=" + _query + ")";
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}
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protected Class<? extends PersistentRecord> _pClass;
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protected String _name;
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protected String _query;
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}
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