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ReferencedListDescriptorImpl.java
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ReferencedListDescriptorImpl.java
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/**
* Copyright (C) 2016 Czech Technical University in Prague
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.ontodriver.descriptor;
import cz.cvut.kbss.ontodriver.model.Assertion;
import cz.cvut.kbss.ontodriver.model.NamedResource;
import java.net.URI;
import java.util.Objects;
/**
* Represents singly-linked referenced list.
* <p>
* In referenced list each node has content linked to it by a separate property. In addition, each node points to its
* successor in the sequence (with the exception of the last node, which has no successor).
*/
public class ReferencedListDescriptorImpl implements ReferencedListDescriptor {
protected final ListDescriptor descriptor;
private final Assertion nodeContent;
public ReferencedListDescriptorImpl(NamedResource listOwner, Assertion listProperty,
Assertion nextNode, Assertion nodeContent) {
this.descriptor = new BaseListDescriptorImpl(listOwner, listProperty, nextNode);
this.nodeContent = Objects.requireNonNull(nodeContent);
}
@Override
public URI getContext() {
return descriptor.getContext();
}
@Override
public void setContext(URI context) {
descriptor.setContext(context);
}
@Override
public NamedResource getListOwner() {
return descriptor.getListOwner();
}
@Override
public Assertion getListProperty() {
return descriptor.getListProperty();
}
@Override
public Assertion getNextNode() {
return descriptor.getNextNode();
}
@Override
public Assertion getNodeContent() {
return nodeContent;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + descriptor.hashCode();
result = prime * result + nodeContent.hashCode();
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
ReferencedListDescriptorImpl other = (ReferencedListDescriptorImpl) obj;
return descriptor.equals(other.descriptor) && nodeContent.equals(other.nodeContent);
}
@Override
public String toString() {
return "[ReferencedList: " + descriptor + ", nodeContent = " + nodeContent + "]";
}
}