Paul Holmes-Higgin 31c250682b Changed licence headers
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5081 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2007-02-08 18:59:58 +00:00

111 lines
3.2 KiB
Java

/*
* Copyright (C) 2005 Alfresco, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.alfresco.service.cmr.version;
import java.io.Serializable;
import java.util.Date;
import java.util.Map;
import org.alfresco.service.cmr.repository.NodeRef;
/**
* Version interface.
*
* Allows access to version property values and frozen state node references.
* The version history tree can also be navigated.
*
* @author Roy Wetherall
*/
public interface Version extends Serializable
{
/**
* Names of the system version properties
*/
public static final String PROP_DESCRIPTION = "description";
/**
* Helper method to get the created date from the version property data.
*
* @return the date the version was created
*/
public Date getCreatedDate();
/**
* Helper method to get the creator of the version.
*
* @return the creator of the version
*/
public String getCreator();
/**
* Helper method to get the version label from the version property data.
*
* @return the version label
*/
public String getVersionLabel();
/**
* Helper method to get the version type.
*
* @return the value of the version type as an enum value
*/
public VersionType getVersionType();
/**
* Helper method to get the version description.
*
* @return the version description
*/
public String getDescription();
/**
* Get the map containing the version property values
*
* @return the map containing the version properties
*/
public Map<String, Serializable> getVersionProperties();
/**
* Gets the value of a named version property.
*
* @param name the name of the property
* @return the value of the property
*
*/
public Serializable getVersionProperty(String name);
/**
* Gets a reference to the node that this version was created from.
* <p>
* Note that this reference will be to the current state of the versioned
* node which may now correspond to a later version.
*
* @return a node reference
*/
public NodeRef getVersionedNodeRef();
/**
* Gets the reference to the node that contains the frozen state of the
* version.
*
* @return a node reference
*/
public NodeRef getFrozenStateNodeRef();
}