mirror of
				https://github.com/Alfresco/alfresco-community-repo.git
				synced 2025-10-29 15:21:53 +00:00 
			
		
		
		
	8371: Merged V2.1 to V2.2
      8307: Next round of fixes for session management.
      8309: Fixed AR-1891: Long MLText strings fail in Oracle
      8313: Fix for case where existing MLText entry is null
      8319: Follow-up fix for NPE where StringValue is null when persisting
      8331: Fix for AR-1696: Long text in an aspect property causes an exception
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@8496 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
		
	
		
			
				
	
	
		
			655 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
			
		
		
	
	
			655 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
| /*
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|  * Copyright (C) 2005-2007 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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| 
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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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| 
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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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| 
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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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| 
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| package org.alfresco.repo.attributes;
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| 
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| import java.io.Serializable;
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| import java.util.Collection;
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| import java.util.Iterator;
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| import java.util.Map;
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| import java.util.Set;
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| 
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| import org.alfresco.repo.domain.DbAccessControlList;
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| import org.alfresco.repo.domain.schema.SchemaBootstrap;
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| 
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| /**
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|  * Interface for polymorphic attributes.
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|  * @author britt
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|  */
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| public interface Attribute extends Serializable, Iterable<Attribute>
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| {
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|     public static enum Type implements Serializable
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|     {
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|         BOOLEAN
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|         {
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|             @Override
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|             public AttributeValue getAttributeValue(Attribute from)
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|             {
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|                 if (from instanceof BooleanAttribute)
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|                 {
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|                     return new BooleanAttributeValue((BooleanAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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| 
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|             @Override
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|             public AttributeImpl getAttributeImpl(Attribute from)
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|             {
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|                 if (from instanceof BooleanAttribute)
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|                 {
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|                     return new BooleanAttributeImpl((BooleanAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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|         },
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|         BYTE
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|         {
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|             @Override
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|             public AttributeValue getAttributeValue(Attribute from)
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|             {
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|                 if (from instanceof ByteAttribute)
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|                 {
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|                     return new ByteAttributeValue((ByteAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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| 
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|             @Override
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|             public AttributeImpl getAttributeImpl(Attribute from)
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|             {
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|                 if (from instanceof ByteAttribute)
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|                 {
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|                     return new ByteAttributeImpl((ByteAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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|         },
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|         SHORT
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|         {
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|             @Override
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|             public AttributeValue getAttributeValue(Attribute from)
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|             {
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|                 if (from instanceof ShortAttribute)
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|                 {
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|                     return new ShortAttributeValue((ShortAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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| 
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|             @Override
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|             public AttributeImpl getAttributeImpl(Attribute from)
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|             {
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|                 if (from instanceof ShortAttribute)
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|                 {
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|                     return new ShortAttributeImpl((ShortAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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|         },
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|         INT
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|         {
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|             @Override
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|             public AttributeValue getAttributeValue(Attribute from)
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|             {
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|                 if (from instanceof IntAttribute)
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|                 {
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|                     return new IntAttributeValue((IntAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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| 
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|             @Override
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|             public AttributeImpl getAttributeImpl(Attribute from)
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|             {
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|                 if (from instanceof IntAttribute)
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|                 {
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|                     return new IntAttributeImpl((IntAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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|         },
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|         LONG
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|         {
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|             @Override
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|             public AttributeValue getAttributeValue(Attribute from)
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|             {
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|                 if (from instanceof LongAttribute)
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|                 {
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|                     return new LongAttributeValue((LongAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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| 
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|             @Override
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|             public AttributeImpl getAttributeImpl(Attribute from)
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|             {
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|                 if (from instanceof LongAttribute)
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|                 {
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|                     return new LongAttributeImpl((LongAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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|         },
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|         FLOAT
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|         {
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|             @Override
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|             public AttributeValue getAttributeValue(Attribute from)
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|             {
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|                 if (from instanceof FloatAttribute)
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|                 {
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|                     return new FloatAttributeValue((FloatAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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| 
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|             @Override
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|             public AttributeImpl getAttributeImpl(Attribute from)
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|             {
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|                 if (from instanceof FloatAttribute)
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|                 {
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|                     return new FloatAttributeImpl((FloatAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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|         },
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|         DOUBLE
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|         {
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|             @Override
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|             public AttributeValue getAttributeValue(Attribute from)
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|             {
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|                 if (from instanceof DoubleAttribute)
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|                 {
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|                     return new DoubleAttributeValue((DoubleAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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| 
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|             @Override
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|             public AttributeImpl getAttributeImpl(Attribute from)
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|             {
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|                 if (from instanceof DoubleAttribute)
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|                 {
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|                     return new DoubleAttributeImpl((DoubleAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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|         },
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|         STRING
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|         {
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|             @Override
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|             public AttributeValue getAttributeValue(Attribute from)
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|             {
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|                 if (from instanceof StringAttribute)
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|                 {
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|                     return new StringAttributeValue((StringAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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| 
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|             @Override
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|             public AttributeImpl getAttributeImpl(Attribute from)
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|             {
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|                 if (from instanceof StringAttribute)
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|                 {
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|                     // We need to check that the String will fit into the database
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|                     StringAttribute stringAttr = (StringAttribute) from;
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|                     String stringValue = stringAttr.getStringValue();
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|                     
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|                     if (stringValue != null && stringValue.length() > SchemaBootstrap.getMaxStringLength())
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|                     {
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|                         // Need to serialize it
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|                         return new SerializableAttributeImpl(stringValue);
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|                     }
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|                     else
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|                     {
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|                         return new StringAttributeImpl(stringValue);
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|                     }
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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|         },
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|         SERIALIZABLE
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|         {
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|             @Override
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|             public AttributeValue getAttributeValue(Attribute from)
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|             {
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|                 if (from instanceof SerializableAttribute)
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|                 {
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|                     return new SerializableAttributeValue((SerializableAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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| 
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|             @Override
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|             public AttributeImpl getAttributeImpl(Attribute from)
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|             {
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|                 if (from instanceof SerializableAttribute)
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|                 {
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|                     return new SerializableAttributeImpl((SerializableAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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|         },
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|         MAP
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|         {
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|             @Override
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|             public AttributeValue getAttributeValue(Attribute from)
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|             {
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|                 if (from instanceof MapAttribute)
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|                 {
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|                     return new MapAttributeValue((MapAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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| 
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|             @Override
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|             public AttributeImpl getAttributeImpl(Attribute from)
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|             {
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|                 if (from instanceof MapAttribute)
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|                 {
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|                     return new MapAttributeImpl((MapAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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|         },
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|         LIST
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|         {
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|             @Override
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|             public AttributeValue getAttributeValue(Attribute from)
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|             {
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|                 if (from instanceof ListAttribute)
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|                 {
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|                     return new ListAttributeValue((ListAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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| 
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|             @Override
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|             public AttributeImpl getAttributeImpl(Attribute from)
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|             {
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|                 if (from instanceof ListAttribute)
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|                 {
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|                     return new ListAttributeImpl((ListAttribute)from);
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|                 }
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|                 else
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|                 {
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|                     throw new IllegalArgumentException(
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|                             "Conversion to " + this + " not supported for " + from.getType() + "(" + from + ")");
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|                 }
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|             }
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|         };
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|         
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|         /**
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|          * Get the unpersisted attribute value implementation of the {@link Attribute} given an existing attribute.
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|          * The <tt>from</tt> attribute may be a persistable entity or not but a new instance will
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|          * be created.
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|          * <p>
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|          * No assumptions should be made about the return type.  The raw type might not match the persisted type.
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|          * 
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|          * @param from      the instance supplying the data
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|          * @return          Returns a value object based on the provided data
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|          */
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|         public abstract AttributeValue getAttributeValue(Attribute from);
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|         
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|         /**
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|          * Get a persistable implementation of the {@link Attribute} given an existing attribute.
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|          * The <tt>from</tt> attribute may be a persistable entity or not but a new instance will
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|          * be created.
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|          * <p>
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|          * No assumptions should be made about the return type.  It is possible that the data will
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|          * be converted to a different persistable type.
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|          * 
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|          * @param from      the instance supplying the data
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|          * @return          Returns a persistable entity based on the provided data
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|          */
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|         public abstract AttributeImpl getAttributeImpl(Attribute from);
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|     };
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|     
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|     /**
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|      * Set the ACL on this Attribute.
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|      * @param acl The ACL.
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|      */
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|     public void setAcl(DbAccessControlList acl);
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|     
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|     /**
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|      * Get the (possibly null ACL) on this Attribute.
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|      * @return The ACL or null.
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|      */
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|     public DbAccessControlList getAcl();
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|     
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|     /**
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|      * @return      the enumerated type
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|      */
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|     public Type getType();
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|     
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|     /**
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|      * Method to return the underlying raw data for possible conversion to the descired type.
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|      * @return          Returns a raw data value
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|      */
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|     public Serializable getRawValue();
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| 
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|     /**
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|      * @see Type#getAttributeValue(Attribute)
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|      */
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|     public abstract AttributeValue getAttributeValue();
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|     
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|     /**
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|      * @see Type#getAttributeImpl(Attribute)
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|      */
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|     public abstract AttributeImpl getAttributeImpl();
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| 
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|     /**
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|      * Set a boolean value.
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|      * @param value The value.
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|      */
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|     public void setBooleanValue(boolean value);
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|     
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|     /**
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|      * Get the value of a BooleanValue.
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|      * @return The value.
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|      */
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|     public boolean getBooleanValue();
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|     
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|     /**
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|      * Set a byte value.
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|      * @param value The value to set.
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|      */
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|     public void setByteValue(byte value);
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|     
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|     /**
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|      * Get the value of a ByteValue.
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|      * @return The value.
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|      */
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|     public byte getByteValue();
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|     
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|     /**
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|      * Set a short value.
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|      * @param value The value to set.
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|      */
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|     public void setShortValue(short value);
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|     
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|     /**
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|      * Get the value of a ShortValue.
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|      * @return The value.
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|      */
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|     public short getShortValue();
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|     
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|     /**
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|      * Set an integer value.
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|      * @param value The value to set.
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|      */
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|     public void setIntValue(int value);
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|     
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|     /**
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|      * Get the integer value of an IntValue.
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|      * @return The value.
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|      */
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|     public int getIntValue();
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|     
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|     /**
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|      * Set a long value.
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|      * @param value The value to set.
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|      */
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|     public void setLongValue(long value);
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|     
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|     /**
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|      * Get the long value of a LongValue.
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|      * @return The value.
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|      */
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|     public long getLongValue();
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|     
 | |
|     /**
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|      * Set a float value.
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|      * @param value The value to set.
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|      */
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|     public void setFloatValue(float value);
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|     
 | |
|     /**
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|      * Get the value of a FloatValue.
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|      * @return The value.
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|      */
 | |
|     public float getFloatValue();
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|     
 | |
|     /**
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|      * Set a double value.
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|      * @param value The value to set.
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|      */
 | |
|     public void setDoubleValue(double value);
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|     
 | |
|     /**
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|      * Get a double value from a DoubleValue.
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|      * @return The value.
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|      */
 | |
|     public double getDoubleValue();
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|     
 | |
|     /**
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|      * Set a String value.
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|      * @param value The value to set.
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|      */
 | |
|     public void setStringValue(String value);
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|     
 | |
|     /**
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|      * Get a String value from a StringValue.
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|      * @return The value.
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|      */
 | |
|     public String getStringValue();
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|     
 | |
|     /**
 | |
|      * Set a Blob value.
 | |
|      * @param value The value to set.
 | |
|      */
 | |
|     public void setBlobValue(byte[] value);
 | |
|     
 | |
|     /**
 | |
|      * Get a Blob value from a BlobValue
 | |
|      * @return The value.
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|      */
 | |
|     public byte[] getBlobValue();
 | |
|     
 | |
|     /**
 | |
|      * Set a Serializable value.
 | |
|      * @param value
 | |
|      */
 | |
|     public void setSerializableValue(Serializable value);
 | |
|     
 | |
|     /**
 | |
|      * Get a Seriailizable value from a SerializableValue
 | |
|      * @return The value.
 | |
|      */
 | |
|     public Serializable getSerializableValue();
 | |
|     
 | |
|     /**
 | |
|      * Clear a map.
 | |
|      */
 | |
|     public void clear();
 | |
|     
 | |
|     /**
 | |
|      * Add an entry to a map.
 | |
|      * @param key The key to the entry.
 | |
|      * @param value The Value of the entry.
 | |
|      */
 | |
|     public void put(String key, Attribute value);
 | |
|     
 | |
|     /**
 | |
|      * Get the Value for a key in a map.
 | |
|      * @param key The key.
 | |
|      * @return The value.
 | |
|      */
 | |
|     public Attribute get(String key);
 | |
|     
 | |
|     /**
 | |
|      * Remove an entry by key from a map.
 | |
|      * @param key The key of the entry to remove.
 | |
|      */
 | |
|     public void remove(String key);
 | |
|     
 | |
|     /**
 | |
|      * Get the entry set for a map.
 | |
|      * @return The entry set.
 | |
|      */
 | |
|     public Set<Map.Entry<String, Attribute>> entrySet(); 
 | |
|     
 | |
|     /**
 | |
|      * Get the key set for a map.
 | |
|      * @return The key set.
 | |
|      */
 | |
|     public Set<String> keySet();
 | |
|     
 | |
|     /**
 | |
|      * Get the collection of values of a map.
 | |
|      * @return The values.
 | |
|      */
 | |
|     public Collection<Attribute> values();
 | |
|     
 | |
|     /**
 | |
|      * Add an attribute to a list attribute.
 | |
|      * @param attr
 | |
|      */
 | |
|     public void add(Attribute attr);
 | |
|     
 | |
|     /**
 | |
|      * Add an attribute to a list attribute at a given position.
 | |
|      * @param index The offset.
 | |
|      * @param attr The attribute.
 | |
|      */
 | |
|     public void add(int index, Attribute attr);
 | |
|     
 | |
|     /**
 | |
|      * Get the size of a List of a Map.
 | |
|      * @return
 | |
|      */
 | |
|     public int size();
 | |
|     
 | |
|     /**
 | |
|      * Get an iterator over a list's entries.
 | |
|      * @return
 | |
|      */
 | |
|     public Iterator<Attribute> iterator();
 | |
|     
 | |
|     /**
 | |
|      * Get an Attribute from a List.
 | |
|      * @param index The offset.
 | |
|      * @return The Attribute or null.
 | |
|      */
 | |
|     public Attribute get(int index);
 | |
|     
 | |
|     /**
 | |
|      * Remove an entry from a list.
 | |
|      * @param index The entry to remove.
 | |
|      */
 | |
|     public void remove(int index);
 | |
|     
 | |
|     /**
 | |
|      * Set an attribute in a list.
 | |
|      * @param index The index to set.
 | |
|      * @param value The attribute to set.
 | |
|      */
 | |
|     public void set(int index, Attribute value);
 | |
| }
 |