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/*******************************************************************************
* Copyright (c) 2020 Eclipse RDF4J contributors.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Distribution License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*******************************************************************************/
package org.eclipse.rdf4j.model.base;
import org.eclipse.rdf4j.model.BNode;
/**
* Base class for {@link BNode}, offering common functionality.
*
* @author Alessandro Bollini
* @since 3.5.0
*/
public abstract class AbstractBNode implements BNode {
private static final long serialVersionUID = -437354568418943981L;
@Override
public String stringValue() {
return getID();
}
@Override
public boolean equals(Object o) {
return this == o || o instanceof BNode
&& getID().equals(((BNode) o).getID());
}
@Override
public int hashCode() {
return getID().hashCode();
}
@Override
public String toString() {
return "_:" + getID();
}
static class GenericBNode extends AbstractBNode {
private static final long serialVersionUID = -617790782100827067L;
private final String id;
GenericBNode(String id) {
this.id = id;
}
@Override
public String getID() {
return id;
}
}
}