/**
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.sail.webapp.lbs;
abstract public class AbstractHostMetrics implements IHostMetrics {
@SuppressWarnings("unchecked")
@Override
public <T extends Number> T getNumeric(final String name,
final T defaultValue) {
if (name == null)
throw new IllegalArgumentException();
if (defaultValue == null)
throw new IllegalArgumentException();
final Number v = getNumeric(name);
if (v == null) {
// Not found. Return the default.
return defaultValue;
}
// Found. Coerce to the data type of the default.
if (Double.class == defaultValue.getClass()) {
return (T) (Double) v.doubleValue();
} else if (Float.class == defaultValue.getClass()) {
return (T) (Float) v.floatValue();
} else if (Long.class == defaultValue.getClass()) {
return (T) (Long) v.longValue();
} else if (Integer.class == defaultValue.getClass()) {
return (T) (Integer) v.intValue();
} else if (Short.class == defaultValue.getClass()) {
return (T) (Short) v.shortValue();
} else if (Byte.class == defaultValue.getClass()) {
return (T) (Byte) v.byteValue();
} else {
throw new UnsupportedOperationException("class="
+ defaultValue.getClass().getName());
}
}
}