/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* 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.
*/
/**
* Class to sample and output various jvmstat statistics for a target Java
* a target Java Virtual Machine.
*
* @author Brian Doherty
* @since 1.5
*/
public class JStatLogger {
private volatile boolean active = true;
this.monitoredVm = monitoredVm;
}
/**
* print the monitors that match the given monitor name pattern string.
*/
throws MonitorException, PatternSyntaxException {
// get the set of all monitors
if (!(m.isSupported() || showUnsupported)) {
continue;
}
}
}
/**
* print name=value pairs for the given list of monitors.
*/
boolean verbose, boolean showUnsupported,
throws MonitorException, PatternSyntaxException {
// get the set of all monitors
}
/**
* print name=value pairs for the given list of monitors.
*/
throws MonitorException {
// print out the name of each available counter
if (!(m.isSupported() || showUnsupported)) {
continue;
}
if (m instanceof StringMonitor) {
} else {
}
if (verbose) {
: "Unsupported");
}
}
}
/**
* method to for asynchronous termination of sampling loops
*/
public void stopLogging() {
active = false;
}
/**
* print samples according to the given format.
*/
throws MonitorException {
long iterationCount = 0;
int printHeaderCount = 0;
// if printHeader == 0, then only an initial column header is desired.
int printHeader = headerRate;
if (printHeader == 0) {
// print the column header once, disable future printing
printHeader = -1;
}
while (active) {
// check if it's time to print another column header
}
// check if we've hit the specified sample count
break;
}
}
}
}