/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
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; version 2 of the License.
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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.bigdata.blueprints;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import org.openrdf.model.URI;
import com.tinkerpop.blueprints.Element;
/**
* Base class for {@link BigdataVertex} and {@link BigdataEdge}. Handles
* property-related methods.
*
* @author mikepersonick
*
*/
public abstract class BigdataElement implements Element {
private static final List<String> blacklist = Arrays.asList(new String[] {
"id", ""
});
protected final URI uri;
protected final BigdataGraph graph;
public BigdataElement(final URI uri, final BigdataGraph graph) {
this.uri = uri;
this.graph = graph;
}
@Override
@SuppressWarnings("unchecked")
public <T> T getProperty(final String property) {
return (T) graph.getProperty(uri, property);
}
@Override
public Set<String> getPropertyKeys() {
return graph.getPropertyKeys(uri);
}
@Override
@SuppressWarnings("unchecked")
public <T> T removeProperty(final String property) {
return (T) graph.removeProperty(uri, property);
}
@Override
public void setProperty(final String prop, final Object val) {
if (prop == null || blacklist.contains(prop)) {
throw new IllegalArgumentException();
}
graph.setProperty(uri, prop, val);
}
// /**
// * Simple extension for multi-valued properties.
// */
// public void addProperty(final String prop, final Object val) {
//
// if (prop == null || blacklist.contains(prop)) {
// throw new IllegalArgumentException();
// }
//
// graph.addProperty(uri, prop, val);
//
// }
//
// /**
// * Simple extension for multi-valued properties.
// */
// @SuppressWarnings("unchecked")
// public <T> List<T> getProperties(final String property) {
//
// return (List<T>) graph.getProperties(uri, property);
//
// }
/**
* Generated code.
*/
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((graph == null) ? 0 : graph.hashCode());
result = prime * result + ((uri == null) ? 0 : uri.hashCode());
return result;
}
/**
* Generated code.
*/
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
BigdataElement other = (BigdataElement) obj;
if (graph == null) {
if (other.graph != null)
return false;
} else if (!graph.equals(other.graph))
return false;
if (uri == null) {
if (other.uri != null)
return false;
} else if (!uri.equals(other.uri))
return false;
return true;
}
@Override
public String toString() {
return uri.toString();
}
}