org.jboss.jca.adapters.jdbc.statistics.JdbcStatisticsPlugin Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.jboss.jca.adapters.jdbc.statistics;
import org.jboss.jca.adapters.jdbc.PreparedStatementCache;
import org.jboss.jca.core.spi.statistics.StatisticsPlugin;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Locale;
import java.util.Map;
import java.util.ResourceBundle;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;
/**
* JDBC statistics.
*
* @author Jesper Pedersen
*/
public class JdbcStatisticsPlugin implements StatisticsPlugin
{
/** Serial version uid */
private static final long serialVersionUID = 1L;
private static final String PREPARED_STATEMENT_CACHE_ACCESS_COUNT = "PreparedStatementCacheAccessCount";
private static final String PREPARED_STATEMENT_CACHE_ADD_COUNT = "PreparedStatementCacheAddCount";
private static final String PREPARED_STATEMENT_CACHE_CURRENT_SIZE = "PreparedStatementCacheCurrentSize";
private static final String PREPARED_STATEMENT_CACHE_DELETE_COUNT = "PreparedStatementCacheDeleteCount";
private static final String PREPARED_STATEMENT_CACHE_HIT_COUNT = "PreparedStatementCacheHitCount";
private static final String PREPARED_STATEMENT_CACHE_MISS_COUNT = "PreparedStatementCacheMissCount";
private AtomicLong preparedStatementCacheAccessCount;
private AtomicLong preparedStatementCacheAddCount;
private AtomicLong preparedStatementCacheDeleteCount;
private AtomicInteger preparedStatementCacheHitCount;
private AtomicInteger preparedStatementCacheMissCount;
private Set names;
private Map types;
private AtomicBoolean enabled;
private Map rbs;
private Set psCaches;
/**
* Constructor
*/
public JdbcStatisticsPlugin()
{
Set n = new HashSet();
Map t = new HashMap();
n.add(PREPARED_STATEMENT_CACHE_ACCESS_COUNT);
t.put(PREPARED_STATEMENT_CACHE_ACCESS_COUNT, long.class);
n.add(PREPARED_STATEMENT_CACHE_ADD_COUNT);
t.put(PREPARED_STATEMENT_CACHE_ADD_COUNT, long.class);
n.add(PREPARED_STATEMENT_CACHE_CURRENT_SIZE);
t.put(PREPARED_STATEMENT_CACHE_CURRENT_SIZE, int.class);
n.add(PREPARED_STATEMENT_CACHE_DELETE_COUNT);
t.put(PREPARED_STATEMENT_CACHE_DELETE_COUNT, long.class);
n.add(PREPARED_STATEMENT_CACHE_HIT_COUNT);
t.put(PREPARED_STATEMENT_CACHE_HIT_COUNT, int.class);
n.add(PREPARED_STATEMENT_CACHE_MISS_COUNT);
t.put(PREPARED_STATEMENT_CACHE_MISS_COUNT, int.class);
this.names = Collections.unmodifiableSet(n);
this.types = Collections.unmodifiableMap(t);
this.enabled = new AtomicBoolean(true);
ResourceBundle defaultResourceBundle =
ResourceBundle.getBundle("jdbc", Locale.US, JdbcStatisticsPlugin.class.getClassLoader());
this.rbs = new HashMap(1);
this.rbs.put(Locale.US, defaultResourceBundle);
this.preparedStatementCacheAccessCount = new AtomicLong(0);
this.preparedStatementCacheAddCount = new AtomicLong(0);
this.preparedStatementCacheDeleteCount = new AtomicLong(0);
this.preparedStatementCacheHitCount = new AtomicInteger(0);
this.preparedStatementCacheMissCount = new AtomicInteger(0);
this.psCaches = Collections.synchronizedSet(new HashSet());
clear();
}
/**
* {@inheritDoc}
*/
public Set getNames()
{
return names;
}
/**
* {@inheritDoc}
*/
public Class getType(String name)
{
return types.get(name);
}
/**
* {@inheritDoc}
*/
public String getDescription(String name)
{
return getDescription(name, Locale.US);
}
/**
* {@inheritDoc}
*/
public String getDescription(String name, Locale locale)
{
ResourceBundle rb = rbs.get(locale);
if (rb == null)
{
ResourceBundle newResourceBundle =
ResourceBundle.getBundle("jdbc", locale, JdbcStatisticsPlugin.class.getClassLoader());
if (newResourceBundle != null)
rbs.put(locale, newResourceBundle);
}
if (rb == null)
rb = rbs.get(Locale.US);
if (rb != null)
return rb.getString(name);
return "";
}
/**
* {@inheritDoc}
*/
public Object getValue(String name)
{
if (PREPARED_STATEMENT_CACHE_ACCESS_COUNT.equals(name))
{
return getPreparedStatementCacheAccessCount();
}
else if (PREPARED_STATEMENT_CACHE_ADD_COUNT.equals(name))
{
return getPreparedStatementCacheAddCount();
}
else if (PREPARED_STATEMENT_CACHE_CURRENT_SIZE.equals(name))
{
return getPreparedStatementCacheCurrentSize();
}
else if (PREPARED_STATEMENT_CACHE_DELETE_COUNT.equals(name))
{
return getPreparedStatementCacheDeleteCount();
}
else if (PREPARED_STATEMENT_CACHE_HIT_COUNT.equals(name))
{
return getPreparedStatementCacheHitCount();
}
else if (PREPARED_STATEMENT_CACHE_MISS_COUNT.equals(name))
{
return getPreparedStatementCacheMissCount();
}
return null;
}
/**
* {@inheritDoc}
*/
public boolean isEnabled()
{
return enabled.get();
}
/**
* {@inheritDoc}
*/
public void setEnabled(boolean v)
{
enabled.set(v);
}
/**
* Register prepared statement cache
* @param v The cache
*/
public void registerPreparedStatementCache(PreparedStatementCache v)
{
psCaches.add(v);
}
/**
* Deregister prepared statement cache
* @param v The cache
*/
public void deregisterPreparedStatementCache(PreparedStatementCache v)
{
psCaches.remove(v);
}
/**
* Get the access count for the prepated statement cache
* @return The value
*/
public long getPreparedStatementCacheAccessCount()
{
if (isEnabled())
return preparedStatementCacheAccessCount.get();
return 0;
}
/**
* Delta the access count for the prepated statement cache
*/
public void deltaPreparedStatementCacheAccessCount()
{
if (isEnabled())
preparedStatementCacheAccessCount.incrementAndGet();
}
/**
* Get the add count for the prepated statement cache
* @return The value
*/
public long getPreparedStatementCacheAddCount()
{
if (isEnabled())
return preparedStatementCacheAddCount.get();
return 0;
}
/**
* Delta the add count for the prepated statement cache
*/
public void deltaPreparedStatementCacheAddCount()
{
if (isEnabled())
preparedStatementCacheAddCount.incrementAndGet();
}
/**
* Get the current size for the prepated statement cache
* @return The value
*/
public int getPreparedStatementCacheCurrentSize()
{
if (isEnabled())
{
Set copy = new HashSet(psCaches);
int size = 0;
for (PreparedStatementCache psc : copy)
{
size += psc.size();
}
return size;
}
return 0;
}
/**
* Get the delete count for the prepated statement cache
* @return The value
*/
public long getPreparedStatementCacheDeleteCount()
{
if (isEnabled())
return preparedStatementCacheDeleteCount.get();
return 0;
}
/**
* Delta the delete count for the prepated statement cache
*/
public void deltaPreparedStatementCacheDeleteCount()
{
if (isEnabled())
preparedStatementCacheDeleteCount.incrementAndGet();
}
/**
* Get the hit count for the prepated statement cache
* @return The value
*/
public int getPreparedStatementCacheHitCount()
{
if (isEnabled())
return preparedStatementCacheHitCount.get();
return 0;
}
/**
* Delta the hit count for the prepated statement cache
*/
public void deltaPreparedStatementCacheHitCount()
{
if (isEnabled())
preparedStatementCacheHitCount.incrementAndGet();
}
/**
* Get the miss count for the prepated statement cache
* @return The value
*/
public int getPreparedStatementCacheMissCount()
{
if (isEnabled())
return preparedStatementCacheMissCount.get();
return 0;
}
/**
* Delta the miss count for the prepated statement cache
*/
public void deltaPreparedStatementCacheMissCount()
{
if (isEnabled())
preparedStatementCacheMissCount.incrementAndGet();
}
/**
* {@inheritDoc}
*/
public synchronized void clear()
{
if (isEnabled())
{
preparedStatementCacheAccessCount.set(0);
preparedStatementCacheAddCount.set(0);
preparedStatementCacheDeleteCount.set(0);
preparedStatementCacheHitCount.set(0);
preparedStatementCacheMissCount.set(0);
}
}
}