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/*
 * 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
 * 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 org.apache.flume.instrumentation;

/**
 * This interface represents a channel counter mbean. Any class implementing
 * this interface must sub-class
 * {@linkplain org.apache.flume.instrumentation.MonitoredCounterGroup}. This
 * interface might change between minor releases. Please see
 * {@linkplain org.apache.flume.instrumentation.ChannelCounter} class.
 */
public interface ChannelCounterMBean {

  long getChannelSize();

  long getEventPutAttemptCount();

  long getEventTakeAttemptCount();

  long getEventPutSuccessCount();

  long getEventTakeSuccessCount();

  long getStartTime();

  long getStopTime();

  long getChannelCapacity();

  String getType();

  double getChannelFillPercentage();
}