/*
* JBoss, Home of Professional Open Source
* Copyright 2009 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.stats;
import java.util.List;
import net.jcip.annotations.Immutable;
import org.infinispan.interceptors.CacheMgmtInterceptor;
import org.infinispan.interceptors.InterceptorChain;
import org.infinispan.interceptors.base.CommandInterceptor;
/**
* StatsImpl.
*
* @author Galder Zamarreño
* @since 4.0
*/
@Immutable
public class StatsImpl implements Stats {
final long timeSinceStart;
final int currentNumberOfEntries;
final long totalNumberOfEntries;
final long retrievals;
final long stores;
final long hits;
final long misses;
final long removeHits;
final long removeMisses;
final long evictions;
public StatsImpl(InterceptorChain chain) {
List<CommandInterceptor> interceptors = chain.getInterceptorsWhichExtend(CacheMgmtInterceptor.class);
if (!interceptors.isEmpty()) {
CacheMgmtInterceptor mgmtInterceptor = (CacheMgmtInterceptor) interceptors.get(0);
timeSinceStart = mgmtInterceptor.getElapsedTime();
currentNumberOfEntries = mgmtInterceptor.getNumberOfEntries();
totalNumberOfEntries = mgmtInterceptor.getStores();
retrievals = mgmtInterceptor.getHits() + mgmtInterceptor.getMisses();
stores = mgmtInterceptor.getStores();
hits = mgmtInterceptor.getHits();
misses = mgmtInterceptor.getMisses();
removeHits = mgmtInterceptor.getRemoveHits();
removeMisses = mgmtInterceptor.getRemoveMisses();
evictions = mgmtInterceptor.getEvictions();
} else {
timeSinceStart = -1;
currentNumberOfEntries = -1;
totalNumberOfEntries = -1;
retrievals = -1;
stores = -1;
hits = -1;
misses = -1;
removeHits = -1;
removeMisses = -1;
evictions = -1;
}
}
@Override
public long getTimeSinceStart() {
return timeSinceStart;
}
@Override
public int getCurrentNumberOfEntries() {
return currentNumberOfEntries;
}
@Override
public long getTotalNumberOfEntries() {
return totalNumberOfEntries;
}
@Override
public long getRetrievals() {
return retrievals;
}
@Override
public long getStores() {
return stores;
}
@Override
public long getHits() {
return hits;
}
@Override
public long getMisses() {
return misses;
}
@Override
public long getRemoveHits() {
return removeHits;
}
@Override
public long getRemoveMisses() {
return removeMisses;
}
@Override
public long getEvictions() {
return evictions;
}
}