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