001/* 002 * (C) Copyright 2012 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * ataillefer 018 */ 019package org.nuxeo.ecm.diff.model.impl; 020 021import java.util.ArrayList; 022import java.util.HashMap; 023import java.util.List; 024import java.util.Map; 025 026import org.nuxeo.ecm.diff.model.PropertyDiff; 027import org.nuxeo.ecm.diff.model.SchemaDiff; 028 029/** 030 * Implementation of SchemaDiff using a HashMap. 031 * 032 * @author <a href="mailto:ataillefer@nuxeo.com">Antoine Taillefer</a> 033 */ 034public class SchemaDiffImpl implements SchemaDiff { 035 036 private static final long serialVersionUID = -5117078340766697371L; 037 038 /** 039 * Map holding the schema diff. 040 * <p> 041 * Keys are field names. Values represent the difference between the left doc and the right doc for the given field. 042 */ 043 private Map<String, PropertyDiff> schemaDiff; 044 045 /** 046 * Instantiates a new schema diff impl. 047 */ 048 public SchemaDiffImpl() { 049 schemaDiff = new HashMap<String, PropertyDiff>(); 050 } 051 052 public Map<String, PropertyDiff> getSchemaDiff() { 053 return schemaDiff; 054 } 055 056 public int getFieldCount() { 057 return schemaDiff.size(); 058 } 059 060 public List<String> getFieldNames() { 061 return new ArrayList<String>(schemaDiff.keySet()); 062 } 063 064 public PropertyDiff getFieldDiff(String field) { 065 return schemaDiff.get(field); 066 } 067 068 public PropertyDiff putFieldDiff(String field, PropertyDiff fieldDiff) { 069 return schemaDiff.put(field, fieldDiff); 070 } 071 072}