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JMeasurement profiling programs in production enviroment
/*
* MCS Media Computer Software Copyright (c) 2005 by MCS
* -------------------------------------- Created on 23.04.2005 by w.klaas
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package de.mcs.jmeasurement;
/**
* This monitor is an dummy monitor which do nothing. No time measurement, no
* counting, nothing.
*
* @author w.klaas
*/
public class NullMonitor implements Monitor {
/**
* starting the measurement of this monitor.
*
* @return boolean true if the monitor could be startet,
* otherwise false
* @see de.mcs.jmeasurement.Monitor#start()
*/
public final boolean start() {
return true;
}
/**
* pausing the measurement.
*
* @return boolean true if the monitor could be paused,
* otherwise false
* @see de.mcs.jmeasurement.Monitor#pause()
*/
public final boolean pause() {
return true;
}
/**
* resume the measurement.
*
* @return boolean true if the monitor could be resumed,
* otherwise false
* @see de.mcs.jmeasurement.Monitor#resume()
*/
public final boolean resume() {
return true;
}
/**
* @param msec
* time to increase
* @see de.mcs.jmeasurement.Monitor#increase(long)
*/
public void increase(final long msec) {
}
/**
* @param msec
* time to decrease
* @see de.mcs.jmeasurement.Monitor#decrease(long)
*/
public void decrease(final long msec) {
}
/**
* stopping the measurment.
*
* @return boolean true if the monitor could be stopped,
* otherwise false
* @see de.mcs.jmeasurement.Monitor#stop()
*/
public final boolean stop() {
return true;
}
/**
* @return long getting the measured time.
* @see de.mcs.jmeasurement.Monitor#getAccrued()
*/
public final long getAccrued() {
return 0;
}
/**
* @see de.mcs.jmeasurement.Monitor#reset()
*/
public void reset() {
}
/**
* @return boolean the monitor is actual running
* @see de.mcs.jmeasurement.Monitor#isRunning()
*/
public final boolean isRunning() {
return false;
}
/**
* @return boolean the monitor is actual paused
* @see de.mcs.jmeasurement.Monitor#isPaused()
*/
public final boolean isPaused() {
return false;
}
/**
* @return the id of this monitor
* @see de.mcs.jmeasurement.Monitor#getMonitoId()
*/
public final String getMonitoId() {
return "";
}
/**
* @return this monitor has recorded an exception.
* @see de.mcs.jmeasurement.Monitor#hasException()
* @since 0.64
*/
public final boolean hasException() {
return false;
}
/**
* @return the text of the recorded exception or null.
* @see de.mcs.jmeasurement.Monitor#getException()
* @since 0.64
*/
public final String getException() {
return null;
}
/**
* setting a exception. This also stops the monitor, if it's running. The
* measuredata will not be accumulated.
*
* @param text
* the text for this exception.
* @see de.mcs.jmeasurement.Monitor#setException(String)
* @since 0.64
*/
public final void setException(final String text) {
}
/**
* setting a exception. This also stops the monitor, if it's running. The
* measuredata will not be accumulated.
*
* @param cause
* the exception to store.
* @see de.mcs.jmeasurement.Monitor#setException(Throwable)
* @since 0.66
*/
public void setException(final Throwable cause) {
}
}