001/*
002 * (C) Copyright 2006-2011 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 *
019 * $Id$
020 */
021
022package org.nuxeo.ecm.core.query.sql.model;
023
024import org.nuxeo.common.collections.SerializableArrayMap;
025
026/**
027 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
028 */
029public class SelectList extends SerializableArrayMap<String, Operand> {
030
031    private static final long serialVersionUID = 548479243558815176L;
032
033    @Override
034    public String toString() {
035        if (count == 0) {
036            return "*";
037        }
038        StringBuilder result = new StringBuilder();
039
040        result.append(get(0));
041
042        for (int i = 1; i < count; i++) {
043            Operand op = get(i);
044            result.append(", ");
045            result.append(op);
046        }
047        return result.toString();
048    }
049
050}