/*******************************************************************************
* Copyright 2012 University of Southern California
*
* 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.
*
* This code was developed by the Information Integration Group as part
* of the Karma project at the Information Sciences Institute of the
* University of Southern California. For more information, publications,
* and related projects, please see: http://www.isi.edu/integration
******************************************************************************/
package edu.isi.karma.rep.alignment;
import java.util.HashSet;
import java.util.Set;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.rits.cloning.Cloner;
import edu.isi.karma.modeling.Uris;
import edu.isi.karma.util.RandomGUID;
public abstract class Node implements Comparable<Node> {
static Logger logger = LoggerFactory.getLogger(Node.class);
private String id;
private Label label;
private NodeType type;
private Set<String> modelIds;
private boolean isForced;
public Node(String id, Label label, NodeType type) {
this.init();
if (id != null && id.trim().length() > 0) this.id = id;
if (label != null) this.label = label;
if (type != null) this.type = type;
}
public Node(Node v) {
if (v == null) this.init();
else {
this.id = v.id;
this.label = v.label;
this.type = v.type;
}
}
private void init() {
this.id = new RandomGUID().toString();
Label l = null;
this.label = new Label(l);
this.type = NodeType.None;
this.modelIds = new HashSet<String>();
}
public String getId() {
return this.id;
}
public Label getLabel() {
return this.label;
}
public String getUri() {
if (this.label != null)
return this.getLabel().getUri();
return Uris.DEFAULT_NODE_URI;
}
public String getLocalId() {
String s = this.id;
if (this.label.getNs() != null)
s = s.replaceAll(this.label.getNs(), "");
return s;
}
public String getDisplayId() {
if (this.label.getPrefix() == null)
return this.getLocalId();
return this.label.getPrefix() + ":" + this.getLocalId();
}
public NodeType getType() {
return type;
}
public Set<String> getModelIds() {
return modelIds;
}
public void setModelIds(Set<String> patternIds) {
this.modelIds = patternIds;
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj == null || obj.getClass() != this.getClass()) {
return false;
}
Node node = (Node) obj;
return this.id.equals(node.getId());
}
@Override
public int hashCode() {
return this.getId().hashCode();
}
@Override
public int compareTo(Node node) {
//compare id
return this.id.compareTo(node.getId());
}
public boolean isForced() {
return isForced;
}
public void setForced(boolean value) {
isForced = value;
}
public Node clone() {
Cloner cloner = new Cloner();
return cloner.deepClone(this);
// switch (this.type) {
// case None: return new SimpleNode(this.getId(), this.getLabel());
// case ColumnNode: return new ColumnNode(this.getId(), ((ColumnNode)this).getHNodeId(), ((ColumnNode)this).getColumnName());
// case LiteralNode: return new LiteralNode(this.getId(), ((LiteralNode)this).getValue(), ((LiteralNode)this).getDatatype());
// case InternalNode: return new InternalNode(this.getId(), this.getLabel());
// }
//
// logger.error("Cloning the node has been failed. Cannot identify the type of the node.");
// return null;
}
}