/*
 * Copyright (C) 2005-2010 Alfresco Software Limited.
 *
 * This file is part of Alfresco
 *
 * Alfresco is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Alfresco 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
 */
package org.alfresco.repo.version;

import java.io.Serializable;
import java.util.Map;

import org.alfresco.repo.policy.ClassPolicy;
import org.alfresco.repo.policy.PolicyScope;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.version.Version;
import org.alfresco.service.namespace.NamespaceService;
import org.alfresco.service.namespace.QName;

/**
 * Version service policy interfaces
 * 
 * @author Roy Wetherall
 */
public interface VersionServicePolicies
{
	/**
	 * Before create version policy interface.
	 */
	public interface BeforeCreateVersionPolicy extends ClassPolicy
	{
	    public static final QName QNAME = QName.createQName(NamespaceService.ALFRESCO_URI, "beforeCreateVersion");
		/**
		 * Called before a new version is created for a version
		 * 
		 * @param versionableNode  reference to the node about to be versioned
		 */
	    public void beforeCreateVersion(NodeRef versionableNode);
	
	}
	
	/**
	 * After create version policy interface
	 *
	 */
	public interface AfterCreateVersionPolicy extends ClassPolicy
	{
        public static final QName QNAME = QName.createQName(NamespaceService.ALFRESCO_URI, "afterCreateVersion");
		/**
		 * Called after the version has been created 
		 * 
		 * @param versionableNode	the node that has been versioned
		 * @param version			the created version
		 */
		public void afterCreateVersion(NodeRef versionableNode, Version version);
	}
	
	/**
	 * On create version policy interface
	 */
	public interface OnCreateVersionPolicy extends ClassPolicy
	{
        public static final QName QNAME = QName.createQName(NamespaceService.ALFRESCO_URI, "onCreateVersion");
		/**
		 * Called during the creation of the version to determine what the versioning policy for a 
		 * perticular type may be.
		 * WARNING: implementing behaviour for this policy effects the versioning behaviour of the 
		 * type the behaviour is registered against.
		 * 
         * @param classRef
         *            the class reference
         * @param versionableNode
         *            the versionable node reference
         * @param versionProperties
         *            the version properties
         * @param nodeDetails
         *            the details of the node to be versioned
		 */
		public void onCreateVersion(
				QName classRef,
				NodeRef versionableNode, 
				Map<String, Serializable> versionProperties,
				PolicyScope nodeDetails);
	}
	
	/**
	 * 
     * Called for all types and aspects before reverting a node.
     * 
     * @param classRef                the type or aspect qualified name
     * @param revertDetails           the details of the impending revert
     * @return                        Return the callback that will be used to modify the revert behaviour for this
     *                                type or aspect.  Return <tt>null</tt> to assume the default.
     * 
     * 
     * @since V4.2
 	 */
	public interface OnRevertVersionPolicy extends ClassPolicy
	{
        public static final QName QNAME = QName.createQName(NamespaceService.ALFRESCO_URI, "getRevertVersionCallback");
        
        VersionRevertCallback getRevertVersionCallback(QName classRef, VersionRevertDetails copyDetails);
	}

	
	/**
	 * Calculate version lable policy interface
	 */
	public interface CalculateVersionLabelPolicy extends ClassPolicy
	{
		public String calculateVersionLabel(
				QName classRef,
				Version preceedingVersion,
				int versionNumber,
				Map<String, Serializable>verisonProperties);
	}
}