/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
*
* 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 org.apache.streams.local.counters;
/**
*
*/
public interface StreamsTaskCounterMXBean {
/**
* Get the error rate of the streams process calculated by the number of errors not handled by the {@link org.apache.streams.local.tasks.StreamsTask}
* divided by the number of datums received.
* @return error rate
*/
public double getErrorRate();
/**
* Get the number of {@link org.apache.streams.core.StreamsDatum}s emitted by the streams process
* @return number of emitted datums
*/
public long getNumEmitted();
/**
* Get the number of {@link org.apache.streams.core.StreamsDatum}s received by the streams process
* @return number of received datums
*/
public long getNumReceived();
/**
* Get the number of errors that the process had to catch because the executing Provider/Processor/Writer did not
* catch and handle the exception
* @return number of handled errors
*/
public long getNumUnhandledErrors();
/**
* Returns the average time in milliseconds it takes the task to readCurrent, process, or write to return.
* @return
*/
public double getAvgTime();
/**
* Returns the max time in milliseconds it takes the task to readCurrent, process, or write to return.
* @return
*/
public long getMaxTime();
}