001/*
002 * (C) Copyright 2006-2007 Nuxeo SAS (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Nuxeo - initial API and implementation
016 *
017 * $Id: BlankImpl.java 19155 2007-05-22 16:19:48Z sfermigier $
018 */
019
020package org.nuxeo.ecm.platform.relations.api.impl;
021
022import org.nuxeo.ecm.platform.relations.api.Blank;
023import org.nuxeo.ecm.platform.relations.api.NodeType;
024
025/**
026 * Blank node.
027 *
028 * @author <a href="mailto:at@nuxeo.com">Anahide Tchertchian</a>
029 */
030public class BlankImpl extends AbstractNode implements Blank {
031
032    private static final long serialVersionUID = 1L;
033
034    private String id;
035
036    public BlankImpl() {
037    }
038
039    public BlankImpl(String id) {
040        this.id = id;
041    }
042
043    public String getId() {
044        return id;
045    }
046
047    public void setId(String id) {
048        this.id = id;
049    }
050
051    public NodeType getNodeType() {
052        return NodeType.BLANK;
053    }
054
055    @Override
056    public boolean isBlank() {
057        return true;
058    }
059
060    @Override
061    public String toString() {
062        String str;
063        if (id != null) {
064            str = String.format("%s('%s')", getClass().getSimpleName(), id);
065        } else {
066            str = String.format("%s()", getClass().getSimpleName());
067        }
068        return str;
069    }
070
071    @Override
072    public boolean equals(Object other) {
073        if (this == other) {
074            return true;
075        }
076        if (!(other instanceof BlankImpl)) {
077            return false;
078        }
079        BlankImpl otherBlank = (BlankImpl) other;
080        return id == null ? otherBlank.id == null : id.equals(otherBlank.id);
081    }
082
083    @Override
084    public int hashCode() {
085        return id == null ? 0 : id.hashCode();
086    }
087
088}