/*******************************************************************************
* Copyright (c) 2010 Fraunhofer IWU and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Fraunhofer IWU - initial API and implementation
*******************************************************************************/
package net.enilink.komma.parser.sparql.tree;
import net.enilink.komma.parser.sparql.tree.expr.Expression;
import net.enilink.komma.parser.sparql.tree.visitor.Visitor;
public class Variable extends AbstractGraphNode implements Expression {
protected String name;
public Variable(String name) {
this.name = name;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@Override
public <R, T> R accept(Visitor<R, T> visitor, T data) {
return visitor.variable(this, data);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((name == null) ? 0 : name.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (!(obj instanceof Variable))
return false;
Variable other = (Variable) obj;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
return true;
}
}