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e1ada58fef
- Some collapsing of common code in Constraint hierarchy. - Added aspect 'cm:storeSelector' with property 'cm:storeName'. - Defined a new, unused content store 'storeSelectorContentStore' (see content-services-context.xml). If this store is used, then setting the 'cm:storeName' property will force content to be stored in one of the named stores. A LIST constraint is indirectly enforced for the 'cm:storeName' property. git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@14329 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
94 lines
2.7 KiB
Java
94 lines
2.7 KiB
Java
/*
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* Copyright (C) 2005-2009 Alfresco Software Limited.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program 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
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* As a special exception to the terms and conditions of version 2.0 of
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* the GPL, you may redistribute this Program in connection with Free/Libre
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* and Open Source Software ("FLOSS") applications as described in Alfresco's
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* FLOSS exception. You should have recieved a copy of the text describing
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* the FLOSS exception, and it is also available here:
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* http://www.alfresco.com/legal/licensing"
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*/
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package org.alfresco.repo.dictionary.constraint;
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import java.util.HashMap;
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import java.util.Map;
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import org.alfresco.service.cmr.dictionary.Constraint;
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/**
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* A registry of constraints.
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*
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* @author Derek Hulley
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* @since 3.2
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*/
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public class ConstraintRegistry
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{
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private static ConstraintRegistry instance = new ConstraintRegistry();
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private Map<String, Constraint> constraints;
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/**
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* @return Returns the singleton
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*/
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public static ConstraintRegistry getInstance()
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{
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return instance;
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}
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/**
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* Private constructor
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* @see #getInstance()
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*/
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private ConstraintRegistry()
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{
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constraints = new HashMap<String, Constraint>(13);
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}
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/**
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* Register the constraint by name
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*/
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public void register(String name, Constraint constraint)
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{
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if (this == instance)
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{
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constraints.put(name, constraint);
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}
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else
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{
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instance.register(name, constraint);
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}
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}
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/**
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* Get the constraint by name
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*
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* @param name the name by which the constraint was registered
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* @return Returns the constraint or <tt>null</tt> if it does not exist.
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*/
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public Constraint getConstraint(String name)
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{
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if (this == instance)
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{
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return constraints.get(name);
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}
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else
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{
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return instance.getConstraint(name);
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}
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}
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}
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