001/* 002 * (C) Copyright 2006-2016 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 * Nuxeo - initial API and implementation 018 */ 019package org.nuxeo.ecm.core.query.sql.model; 020 021import java.io.Serializable; 022import java.util.LinkedHashMap; 023 024import com.google.common.collect.Iterables; 025 026/** 027 * Here, key is holding the alias and value the document type. 028 * 029 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 030 */ 031public class FromList extends LinkedHashMap<String, String> implements Serializable { 032 033 private static final long serialVersionUID = -1931385427413643944L; 034 035 /** 036 * Don't use this method anymore. Now we can easily iterate over {@link FromList} with {@link #keySet()}, 037 * {@link #values()} or {@link #entrySet()}. 038 * <p /> 039 * We kept this method because removing it could lead to regressions as ({@link #get(Object)} is a candidate. 040 * 041 * @deprecated since 9.1 042 */ 043 @Deprecated 044 public String get(int i) { 045 return Iterables.get(values(), i); 046 } 047 048 @Override 049 public String toString() { 050 if (isEmpty()) { 051 return ""; 052 } 053 return String.join(", ", values()); 054 } 055 056}