/*
* (C) Copyright 2006-2007 Nuxeo SA (http://nuxeo.com/) and others.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Contributors:
* Nuxeo - initial API and implementation
*
* $Id: AbstractNode.java 20645 2007-06-17 13:16:54Z sfermigier $
*/
package org.nuxeo.ecm.platform.relations.api.impl;
import org.nuxeo.ecm.platform.relations.api.Node;
/**
* Abstract class for nodes.
* <p>
* Nodes can be resources, blank nodes or literals.
*
* @author <a href="mailto:at@nuxeo.com">Anahide Tchertchian</a>
*/
public abstract class AbstractNode implements Node {
private static final long serialVersionUID = 1L;
public boolean isLiteral() {
return false;
}
public boolean isBlank() {
return false;
}
public boolean isResource() {
return false;
}
public boolean isQNameResource() {
return false;
}
public int compareTo(Node o) {
// dummy override, just used to compare statements lists
return toString().compareTo(o.toString());
}
}