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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.jackrabbit.api.stats;
/**
* Statistics on core repository operations
*
*/
public interface RepositoryStatistics {
/**
* The values of this enum determine the type of the time
* series returned by {@link #getTimeSeries(Type)}
* and link {@link #getTimeSeries(String, boolean)}.
*/
enum Type {
BUNDLE_READ_COUNTER(true),
BUNDLE_WRITE_COUNTER(true),
BUNDLE_WRITE_DURATION(true),
BUNDLE_WRITE_AVERAGE(false),
BUNDLE_CACHE_ACCESS_COUNTER(true),
BUNDLE_CACHE_SIZE_COUNTER(false),
BUNDLE_CACHE_MISS_COUNTER(true),
BUNDLE_CACHE_MISS_DURATION(true),
BUNDLE_CACHE_MISS_AVERAGE(false),
BUNDLE_COUNTER(true),
BUNDLE_WS_SIZE_COUNTER(true),
/**
* Number of read accesses through any session.
*/
SESSION_READ_COUNTER(true),
/**
* Total time spent reading from sessions in nano seconds.
*/
SESSION_READ_DURATION(true),
/**
* Average time spent reading from sessions in nano seconds.
* This is the sum of all read durations divided by the number
* of reads in the respective time period.
*/
SESSION_READ_AVERAGE(false),
/**
* Number of write accesses through any session.
*/
SESSION_WRITE_COUNTER(true),
/**
* Total time spent writing to sessions in nano seconds.
*/
SESSION_WRITE_DURATION(true),
/**
* Average time spent writing to sessions in nano seconds.
* This is the sum of all write durations divided by the number
* of writes in the respective time period.
*/
SESSION_WRITE_AVERAGE(false),
/**
* Number of calls sessions that have been logged in.
*/
SESSION_LOGIN_COUNTER(true),
/**
* Number of currently logged in sessions.
*/
SESSION_COUNT(false),
/**
* Number of queries executed.
*/
QUERY_COUNT(true),
/**
* Total time spent evaluating queries in milli seconds.
*/
QUERY_DURATION(true),
/**
* Average time spent evaluating queries in milli seconds.
* This is the sum of all query durations divided by the number
* of queries in the respective time period.
*/
QUERY_AVERAGE(true),
/**
* Total number of observation {@code Event} instances delivered
* to all observation listeners.
*/
OBSERVATION_EVENT_COUNTER(true),
/**
* Total time spent processing observation events by all observation
* listeners in nano seconds.
*/
OBSERVATION_EVENT_DURATION(true),
/**
* Average time spent processing observation events by all observation
* listeners in nano seconds.
* This is the sum of all observation durations divided by the number
* of observation events in the respective time period.
*/
OBSERVATION_EVENT_AVERAGE(true);
private final boolean resetValueEachSecond;
Type(final boolean resetValueEachSecond) {
this.resetValueEachSecond = resetValueEachSecond;
}
public static Type getType(String type) {
Type realType = null;
try {
realType = valueOf(type);
} catch (IllegalArgumentException ignore) {}
return realType;
}
public boolean isResetValueEachSecond() {
return resetValueEachSecond;
}
}
TimeSeries getTimeSeries(Type type);
TimeSeries getTimeSeries(String type, boolean resetValueEachSecond);
}
