/**
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.rdf.internal.impl.bnode;
import org.openrdf.model.BNode;
import com.bigdata.rdf.internal.DTE;
import com.bigdata.rdf.internal.IInlineUnicode;
import com.bigdata.rdf.internal.IV;
import com.bigdata.rdf.internal.IVUnicode;
import com.bigdata.rdf.model.BigdataBNode;
import com.bigdata.rdf.store.AbstractTripleStore;
/**
* Class for inline RDF blank nodes. Blank nodes MUST use a "short" Unicode ID
* to be inlined with this class, where "short" is the maximum length configured
* for the lexicon.
* <p>
* {@inheritDoc}
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
*
* @see AbstractTripleStore.Options
*/
public class FullyInlineUnicodeBNodeIV<V extends BigdataBNode> extends
AbstractBNodeIV<V, String> implements IInlineUnicode {
private static final long serialVersionUID = 1L;
/** The blank node ID. */
private final String id;
/** The cached byte length of this {@link IV}. */
private transient int byteLength = 0;
public IV<V, String> clone(final boolean clearCache) {
final FullyInlineUnicodeBNodeIV<V> tmp = new FullyInlineUnicodeBNodeIV<V>(
id);
// propagate transient state if available.
tmp.byteLength = byteLength;
if (!clearCache) {
tmp.setValue(getValueCache());
}
return tmp;
}
public FullyInlineUnicodeBNodeIV(final String id) {
super(DTE.XSDString);
this.id = id;
}
/**
*
* @param id The
* @param byteLength The byte length of this {@link IV}.
*/
public FullyInlineUnicodeBNodeIV(final String id, final int byteLength) {
super(DTE.XSDString);
this.id = id;
this.byteLength = byteLength;
}
public String toString() {
return id;
}
final public String getInlineValue() {
return id;
}
public boolean equals(Object o) {
if (this == o)
return true;
if (o instanceof FullyInlineUnicodeBNodeIV<?>) {
return this.id.equals(((FullyInlineUnicodeBNodeIV<?>) o).id);
}
return false;
}
@SuppressWarnings("rawtypes")
@Override
public int _compareTo(final IV o) {
final FullyInlineUnicodeBNodeIV<?> t = (FullyInlineUnicodeBNodeIV<?>) o;
return IVUnicode.IVUnicodeComparator.INSTANCE.compare(id, t.id);
}
public int hashCode() {
return id.hashCode();
}
public int byteLength() {
if (byteLength == 0) {
byteLength = 1/* flags */+ IVUnicode.byteLengthUnicode(id);
}
return byteLength;
}
final public void setByteLength(final int byteLength) {
if (byteLength < 0)
throw new IllegalArgumentException();
if (this.byteLength != 0 && this.byteLength != byteLength)
throw new IllegalStateException();
this.byteLength = byteLength;
}
/**
* Implements {@link BNode#getID()}.
*/
@Override
public String getID() {
return id;
}
/**
* Does not need materialization to answer BNode interface methods.
*/
@Override
public boolean needsMaterialization() {
return false;
}
}