/*
 * Copyright 2008 the original author or authors.
 *
 * 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.
 */
package org.wamblee.system.graph;

/**
 * Default application-independent node. Specific applications of the graph
 * might implement the Node interface directly.
 * 
 * @author Erik Brakkee
 */
public class DefaultNode implements Node {
    private String name;

    /**
     * Constructs the node.
     * 
     * @param aName
     *            Node name.
     */
    public DefaultNode(String aName) {
        name = aName;
    }

    /**
     * Returns the node name.
     * 
     */
    @Override
    public String getName() {
        return name;
    }

    @Override
    public boolean equals(Object aObj) {
        if (!(aObj instanceof Node)) {
            return false;
        }

        Node node = (Node) aObj;

        return name.equals(node.getName());
    }

    @Override
    public int hashCode() {
        return name.hashCode();
    }
}