001 /* 002 * JBoss, Home of Professional Open Source. 003 * Copyright 2008, Red Hat Middleware LLC, and individual contributors 004 * as indicated by the @author tags. See the copyright.txt file in the 005 * distribution for a full listing of individual contributors. 006 * 007 * This is free software; you can redistribute it and/or modify it 008 * under the terms of the GNU Lesser General Public License as 009 * published by the Free Software Foundation; either version 2.1 of 010 * the License, or (at your option) any later version. 011 * 012 * This software is distributed in the hope that it will be useful, 013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015 * Lesser General Public License for more details. 016 * 017 * You should have received a copy of the GNU Lesser General Public 018 * License along with this software; if not, write to the Free 019 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 020 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 021 */ 022 package org.jboss.dna.connector.federation.merge.strategy; 023 024 import java.util.List; 025 import org.jboss.dna.connector.federation.contribution.Contribution; 026 import org.jboss.dna.connector.federation.merge.FederatedNode; 027 import org.jboss.dna.graph.ExecutionContext; 028 029 /** 030 * @author Randall Hauch 031 */ 032 public interface MergeStrategy { 033 034 /** 035 * Merge the contributions into a single 036 * 037 * @param federatedNode the federated node into which the contributions are to be merged; never null 038 * @param contributions the contributions to the node; never null, never empty, and never containing nulls 039 * @param context the context in which this operation is to be performed; never null 040 */ 041 public void merge( FederatedNode federatedNode, 042 List<Contribution> contributions, 043 ExecutionContext context ); 044 045 }