/*
* Copyright (C) 2014 Robert Stupp, Koeln, Germany, robert-stupp.de
*
* 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 org.caffinitas.ohc;
import java.util.Arrays;
import com.google.common.base.Objects;
public final class OHCacheStats
{
private final long hitCount;
private final long missCount;
private final long evictionCount;
private final long expireCount;
private final long[] segmentSizes;
private final long capacity;
private final long free;
private final long size;
private final long rehashCount;
private final long putAddCount;
private final long putReplaceCount;
private final long putFailCount;
private final long removeCount;
private final long totalAllocated;
private final long lruCompactions;
public OHCacheStats(long hitCount, long missCount, long evictionCount, long expireCount,
long[] segmentSizes, long size, long capacity, long free, long rehashCount,
long putAddCount, long putReplaceCount, long putFailCount, long removeCount,
long totalAllocated, long lruCompactions)
{
this.hitCount = hitCount;
this.missCount = missCount;
this.evictionCount = evictionCount;
this.expireCount = expireCount;
this.segmentSizes = segmentSizes;
this.size = size;
this.capacity = capacity;
this.free = free;
this.rehashCount = rehashCount;
this.putAddCount = putAddCount;
this.putReplaceCount = putReplaceCount;
this.putFailCount = putFailCount;
this.removeCount = removeCount;
this.totalAllocated = totalAllocated;
this.lruCompactions = lruCompactions;
}
public long getCapacity()
{
return capacity;
}
public long getFree()
{
return free;
}
public long getRehashCount()
{
return rehashCount;
}
public long getHitCount()
{
return hitCount;
}
public long getMissCount()
{
return missCount;
}
public long getEvictionCount()
{
return evictionCount;
}
public long getExpireCount()
{
return expireCount;
}
public long[] getSegmentSizes()
{
return segmentSizes;
}
public long getSize()
{
return size;
}
public long getPutAddCount()
{
return putAddCount;
}
public long getPutReplaceCount()
{
return putReplaceCount;
}
public long getPutFailCount()
{
return putFailCount;
}
public long getRemoveCount()
{
return removeCount;
}
public double getAverageSegmentSize()
{
return avgOf(segmentSizes);
}
public long getMinSegmentSize()
{
return minOf(segmentSizes);
}
public long getMaxSegmentSize()
{
return maxOf(segmentSizes);
}
public long getTotalAllocated()
{
return totalAllocated;
}
public long getLruCompactions()
{
return lruCompactions;
}
public String toString()
{
return Objects.toStringHelper(this)
.add("hitCount", hitCount)
.add("missCount", missCount)
.add("evictionCount", evictionCount)
.add("size", size)
.add("capacity", capacity)
.add("free", free)
.add("rehashCount", rehashCount)
.add("put(add/replace/fail)", Long.toString(putAddCount)+'/'+putReplaceCount+'/'+putFailCount)
.add("removeCount", removeCount)
.add("segmentSizes(#/min/max/avg)", String.format("%d/%d/%d/%.2f", segmentSizes.length, getMinSegmentSize(), getMaxSegmentSize(), getAverageSegmentSize()))
.add("totalAllocated", totalAllocated)
.add("lruCompactions", lruCompactions)
.toString();
}
private static long maxOf(long[] arr)
{
long r = 0;
for (long l : arr)
if (l > r)
r = l;
return r;
}
private static long minOf(long[] arr)
{
long r = Long.MAX_VALUE;
for (long l : arr)
if (l < r)
r = l;
return r;
}
private static double avgOf(long[] arr)
{
double r = 0d;
for (long l : arr)
r += l;
return r / arr.length;
}
public boolean equals(Object o)
{
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
OHCacheStats that = (OHCacheStats) o;
if (capacity != that.capacity) return false;
if (evictionCount != that.evictionCount) return false;
if (free != that.free) return false;
if (hitCount != that.hitCount) return false;
if (missCount != that.missCount) return false;
if (putAddCount != that.putAddCount) return false;
if (putFailCount != that.putFailCount) return false;
if (putReplaceCount != that.putReplaceCount) return false;
// if (rehashCount != that.rehashCount) return false;
if (removeCount != that.removeCount) return false;
if (size != that.size) return false;
// if (totalAllocated != that.totalAllocated) return false;
if (!Arrays.equals(segmentSizes, that.segmentSizes)) return false;
return true;
}
public int hashCode()
{
int result = (int) (hitCount ^ (hitCount >>> 32));
result = 31 * result + (int) (missCount ^ (missCount >>> 32));
result = 31 * result + (int) (evictionCount ^ (evictionCount >>> 32));
result = 31 * result + Arrays.hashCode(segmentSizes);
result = 31 * result + (int) (capacity ^ (capacity >>> 32));
result = 31 * result + (int) (free ^ (free >>> 32));
result = 31 * result + (int) (size ^ (size >>> 32));
// result = 31 * result + (int) (rehashCount ^ (rehashCount >>> 32));
result = 31 * result + (int) (putAddCount ^ (putAddCount >>> 32));
result = 31 * result + (int) (putReplaceCount ^ (putReplaceCount >>> 32));
result = 31 * result + (int) (putFailCount ^ (putFailCount >>> 32));
result = 31 * result + (int) (removeCount ^ (removeCount >>> 32));
// result = 31 * result + (int) (totalAllocated ^ (totalAllocated >>> 32));
return result;
}
}