/**
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.literal;
import java.math.BigDecimal;
import java.math.BigInteger;
import org.openrdf.model.Literal;
import com.bigdata.rdf.internal.DTE;
import com.bigdata.rdf.internal.IV;
import com.bigdata.rdf.lexicon.LexiconRelation;
import com.bigdata.rdf.model.BigdataLiteral;
import com.bigdata.util.Bytes;
/**
* Implementation for inline <code>xsd:byte</code>, <code>xsd:short</code>,
* <code>xsd:int</code>, <code>xsd:long</code>, <code>xsd:float</code>,
* <code>xsd:decimal</code>.
*/
public class XSDNumericIV<V extends BigdataLiteral> extends
NumericIV<V, Number> implements Literal {
/**
*
*/
private static final long serialVersionUID = 2330208360371357672L;
private final Number number;
public IV<V, Number> clone(final boolean clearCache) {
final XSDNumericIV<V> tmp = new XSDNumericIV<V>(number, getDTE());
if (!clearCache) {
tmp.setValue(getValueCache());
}
return tmp;
}
private XSDNumericIV(final Number number, final DTE dte) {
super(dte);
this.number = number;
}
public XSDNumericIV(final byte number) {
this(number, DTE.XSDByte);
}
public XSDNumericIV(final short number) {
this(number, DTE.XSDShort);
}
public XSDNumericIV(final int number) {
this(number, DTE.XSDInt);
}
public XSDNumericIV(final long number) {
this(number, DTE.XSDLong);
}
public XSDNumericIV(final float number) {
this(number, DTE.XSDFloat);
}
public XSDNumericIV(final double number) {
this(number, DTE.XSDDouble);
}
final public Number getInlineValue() {
return number;
}
@Override
public boolean booleanValue() {
switch (getDTE()) {
case XSDByte:
return byteValue() != 0;
case XSDShort:
return shortValue() != 0;
case XSDInt:
return intValue() != 0;
case XSDLong:
return longValue() != 0;
default:
return super.booleanValue();
}
}
@Override
public byte byteValue() {
return number.byteValue();
}
@Override
public short shortValue() {
return number.shortValue();
}
@Override
public int intValue() {
return number.intValue();
}
@Override
public long longValue() {
return number.longValue();
}
@Override
public float floatValue() {
return number.floatValue();
}
@Override
public double doubleValue() {
return number.doubleValue();
}
@Override
public BigInteger integerValue() {
return BigInteger.valueOf(longValue());
}
@Override
public BigDecimal decimalValue() {
switch (getDTE()) {
case XSDByte:
case XSDShort:
case XSDInt:
case XSDLong:
return BigDecimal.valueOf(longValue());
case XSDFloat:
case XSDDouble:
return BigDecimal.valueOf(doubleValue());
default:
throw new RuntimeException("unknown DTE");
}
}
@SuppressWarnings("unchecked")
public V asValue(final LexiconRelation lex) {
V v = getValueCache();
if( v == null) {
switch(getDTE()) {
case XSDByte:
v = (V) lex.getValueFactory().createLiteral(byteValue());
break;
case XSDShort:
v = (V) lex.getValueFactory().createLiteral(shortValue());
break;
case XSDInt:
v = (V) lex.getValueFactory().createLiteral(intValue());
break;
case XSDLong:
v = (V) lex.getValueFactory().createLiteral(longValue());
break;
case XSDFloat:
v = (V) lex.getValueFactory().createLiteral(floatValue());
break;
case XSDDouble:
v = (V) lex.getValueFactory().createLiteral(doubleValue());
break;
default:
throw new RuntimeException("unknown DTE");
}
v.setIV(this);
setValue(v);
}
return v;
}
@Override
public boolean equals(final Object o) {
if (o == this)
return true;
if(o instanceof XSDNumericIV<?>) {
final XSDNumericIV<?> n = (XSDNumericIV<?>) o;
return this.getDTE() == n.getDTE() && this.number.equals(n.number);
}
return false;
}
@Override
public int _compareTo(final IV o) {
final XSDNumericIV<?> n = (XSDNumericIV<?>) o;
switch (getDTE()) {
case XSDByte:
return byteValue() == n.byteValue() ? 0 :
byteValue() < n.byteValue() ? -1 : 1;
case XSDShort:
return shortValue() == n.shortValue() ? 0 :
shortValue() < n.shortValue() ? -1 : 1;
case XSDInt:
return intValue() == n.intValue() ? 0 :
intValue() < n.intValue() ? -1 : 1;
case XSDLong:
return longValue() == n.longValue() ? 0 :
longValue() < n.longValue() ? -1 : 1;
case XSDFloat:
// Note: This handles NaN, etc.
return Float.compare(floatValue(), n.floatValue());
case XSDDouble:
// Note: This handles NaN, etc.
return Double.compare(doubleValue(), n.doubleValue());
default:
throw new RuntimeException("unknown DTE");
}
}
public int hashCode() {
switch (getDTE()) {
case XSDByte:
return (int) byteValue();
case XSDShort:
return (int) shortValue();
case XSDInt:
return intValue();
case XSDLong:
return (int) (longValue() ^ (longValue() >>> 32));
case XSDFloat:
return Float.floatToIntBits(floatValue());
case XSDDouble:
final long l = Double.doubleToLongBits(doubleValue());
return (int) (l ^ (l >>> 32));
default:
throw new RuntimeException("unknown DTE");
}
}
public int byteLength() {
switch (getDTE()) {
case XSDByte:
return 1 + Bytes.SIZEOF_BYTE;
case XSDShort:
return 1 + Bytes.SIZEOF_SHORT;
case XSDInt:
return 1 + Bytes.SIZEOF_INT;
case XSDLong:
return 1 + Bytes.SIZEOF_LONG;
case XSDFloat:
return 1 + Bytes.SIZEOF_FLOAT;
case XSDDouble:
return 1 + Bytes.SIZEOF_DOUBLE;
default:
throw new RuntimeException("unknown DTE");
}
}
}