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/*
* Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.jvmstat.monitor;
import sun.management.counter.Units;
import sun.management.counter.Variability;
/**
* Interface provided by Instrumentation Monitoring Objects.
*
* @author Brian Doherty
* @since 1.5
*/
public interface Monitor {
/**
* Returns the name of this instrumentation object.
*
* @return String - the name assigned to this instrumentation monitoring
* object
*/
String getName();
/**
* Returns the base name of this instrumentation object.
* The base name is the component of the name following the last
* "." character in the name.
*
* @return String - the base name of the name assigned to this
* instrumentation monitoring object.
*/
String getBaseName();
/**
* Returns the Units for this instrumentation monitoring object.
*
* @return Units - the units of measure attribute
*/
Units getUnits();
/**
* Returns the Variability for this instrumentation object.
*
*@return Variability - the variability attribute
*/
Variability getVariability();
/**
* Test if the instrumentation object is a vector type.
*
* @return boolean - true if this instrumentation object is a vector type,
* false otherwise.
*/
boolean isVector();
/**
* Return the length of the vector.
* @return int - the length of the vector or zero if this instrumentation
* object is a scalar type.
*/
int getVectorLength();
/**
* Test if the instrumentation object is supported.
*/
boolean isSupported();
/**
* Return an Object that encapsulates this instrumentation object's
* current data value.
*/
Object getValue();
}
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