Java tutorial
/* * JBoss, Home of Professional Open Source. * Copyright 2015, Red Hat, Inc., 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.as.jpa.hibernate4.management; import java.util.Arrays; import java.util.Collection; import java.util.Collections; import javax.persistence.EntityManagerFactory; import org.hibernate.SessionFactory; import org.hibernate.jpa.HibernateEntityManagerFactory; import org.jipijapa.management.spi.EntityManagerFactoryAccess; import org.jipijapa.management.spi.Operation; import org.jipijapa.management.spi.PathAddress; /** * Hibernate entity cache (SecondLevelCacheStatistics) statistics * * @author Scott Marlow */ public class HibernateEntityCacheStatistics extends HibernateAbstractStatistics { public static final String ATTRIBUTE_ENTITY_CACHE_REGION_NAME = "entity-cache-region-name"; public static final String OPERATION_SECOND_LEVEL_CACHE_HIT_COUNT = "second-level-cache-hit-count"; public static final String OPERATION_SECOND_LEVEL_CACHE_MISS_COUNT = "second-level-cache-miss-count"; public static final String OPERATION_SECOND_LEVEL_CACHE_PUT_COUNT = "second-level-cache-put-count"; public static final String OPERATION_SECOND_LEVEL_CACHE_COUNT_IN_MEMORY = "second-level-cache-count-in-memory"; public static final String OPERATION_SECOND_LEVEL_CACHE_SIZE_IN_MEMORY = "second-level-cache-size-in-memory"; public HibernateEntityCacheStatistics() { /** * specify the different operations */ operations.put(ATTRIBUTE_ENTITY_CACHE_REGION_NAME, getEntityCacheRegionName); types.put(ATTRIBUTE_ENTITY_CACHE_REGION_NAME, String.class); operations.put(OPERATION_SECOND_LEVEL_CACHE_HIT_COUNT, entityCacheHitCount); types.put(OPERATION_SECOND_LEVEL_CACHE_HIT_COUNT, Long.class); operations.put(OPERATION_SECOND_LEVEL_CACHE_MISS_COUNT, entityCacheMissCount); types.put(OPERATION_SECOND_LEVEL_CACHE_MISS_COUNT, Long.class); operations.put(OPERATION_SECOND_LEVEL_CACHE_PUT_COUNT, entityCachePutCount); types.put(OPERATION_SECOND_LEVEL_CACHE_PUT_COUNT, Long.class); operations.put(OPERATION_SECOND_LEVEL_CACHE_COUNT_IN_MEMORY, entityCacheCountInMemory); types.put(OPERATION_SECOND_LEVEL_CACHE_COUNT_IN_MEMORY, Long.class); operations.put(OPERATION_SECOND_LEVEL_CACHE_SIZE_IN_MEMORY, entityCacheSizeInMemory); types.put(OPERATION_SECOND_LEVEL_CACHE_SIZE_IN_MEMORY, Long.class); } @Override public Collection<String> getDynamicChildrenNames(EntityManagerFactoryAccess entityManagerFactoryLookup, PathAddress pathAddress) { org.hibernate.stat.Statistics stats = getBaseStatistics(entityManagerFactoryLookup .entityManagerFactory(pathAddress.getValue(HibernateStatistics.PROVIDER_LABEL))); if (stats == null) { return Collections.emptyList(); } return Collections.unmodifiableCollection(Arrays.asList(stats.getEntityNames())); } private org.hibernate.stat.Statistics getBaseStatistics(EntityManagerFactory entityManagerFactory) { if (entityManagerFactory == null) { return null; } HibernateEntityManagerFactory entityManagerFactoryImpl = (HibernateEntityManagerFactory) entityManagerFactory; SessionFactory sessionFactory = entityManagerFactoryImpl.getSessionFactory(); if (sessionFactory != null) { return sessionFactory.getStatistics(); } return null; } org.hibernate.stat.SecondLevelCacheStatistics getStatistics( EntityManagerFactoryAccess entityManagerFactoryaccess, PathAddress pathAddress) { String scopedPersistenceUnitName = pathAddress.getValue(HibernateStatistics.PROVIDER_LABEL); HibernateEntityManagerFactory entityManagerFactoryImpl = (HibernateEntityManagerFactory) entityManagerFactoryaccess .entityManagerFactory(scopedPersistenceUnitName); if (entityManagerFactoryImpl == null) { return null; } SessionFactory sessionFactory = entityManagerFactoryImpl.getSessionFactory(); if (sessionFactory != null) { // The entity class name is prefixed by the application scoped persistence unit name return sessionFactory.getStatistics().getSecondLevelCacheStatistics( scopedPersistenceUnitName + "." + pathAddress.getValue(HibernateStatistics.ENTITYCACHE)); } return null; } private Operation getEntityCacheRegionName = new Operation() { @Override public Object invoke(Object... args) { return getStatisticName(args); } }; private Operation entityCacheHitCount = new Operation() { @Override public Object invoke(Object... args) { org.hibernate.stat.SecondLevelCacheStatistics statistics = getStatistics( getEntityManagerFactoryAccess(args), getPathAddress(args)); return Long.valueOf(statistics != null ? statistics.getHitCount() : 0); } }; private Operation entityCacheMissCount = new Operation() { @Override public Object invoke(Object... args) { org.hibernate.stat.SecondLevelCacheStatistics statistics = getStatistics( getEntityManagerFactoryAccess(args), getPathAddress(args)); return Long.valueOf(statistics != null ? statistics.getMissCount() : 0); } }; private Operation entityCachePutCount = new Operation() { @Override public Object invoke(Object... args) { org.hibernate.stat.SecondLevelCacheStatistics statistics = getStatistics( getEntityManagerFactoryAccess(args), getPathAddress(args)); return Long.valueOf(statistics != null ? statistics.getPutCount() : 0); } }; private Operation entityCacheSizeInMemory = new Operation() { @Override public Object invoke(Object... args) { org.hibernate.stat.SecondLevelCacheStatistics statistics = getStatistics( getEntityManagerFactoryAccess(args), getPathAddress(args)); return Long.valueOf(statistics != null ? statistics.getSizeInMemory() : 0); } }; private Operation entityCacheCountInMemory = new Operation() { @Override public Object invoke(Object... args) { org.hibernate.stat.SecondLevelCacheStatistics statistics = getStatistics( getEntityManagerFactoryAccess(args), getPathAddress(args)); return Long.valueOf(statistics != null ? statistics.getElementCountInMemory() : 0); } }; }