0
我想獲得的Ehcache在非Spring環境中工作（Swing客戶端與Hibernate實體管理器）。休眠的Ehcache不使用緩存的數據
緩存似乎工作，但不得以任何理由緩存將所有查詢數據庫，而不是使用緩存的值。
但我不知道爲什麼。
任何幫助將不勝感激。
這是我的環境：
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.38</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.hibernate.common</groupId>
<artifactId>hibernate-commons-annotations</artifactId>
<version>4.0.4.Final</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>4.3.11.Final</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-annotations</artifactId>
<version>3.5.6-Final</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>4.3.11.Final</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-ehcache</artifactId>
<version>4.3.11.Final</version>
<scope>compile</scope>
</dependency>
ehcache.xml中
<ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="ehcache.xsd" updateCheck="true" monitoring="autodetect" dynamicConfig="true"> <defaultCache maxElementsInMemory="10000" eternal="false" timeToIdleSeconds="120" timeToLiveSeconds="120" overflowToDisk="false" diskSpoolBufferSizeMB="30" diskPersistent="false" diskExpiryThreadIntervalSeconds="120" memoryStoreEvictionPolicy="LRU" /> </ehcache>
的persistence.xml
<?xml version="1.0" encoding="UTF-8" ?> <persistence xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd" version="2.0" xmlns="http://java.sun.com/xml/ns/persistence"> <persistence-unit name="jaccount" transaction-type="RESOURCE_LOCAL"> <class>ch.bemar.account.persistence.model.Account</class> <class>ch.bemar.account.persistence.model.AccountId</class> <class>ch.bemar.account.persistence.model.Booking</class> <class>ch.bemar.account.persistence.model.BookingId</class> <class>ch.bemar.account.persistence.model.Category</class> <class>ch.bemar.account.persistence.model.CategoryId</class> <class>ch.bemar.account.persistence.model.Property</class> <class>ch.bemar.account.persistence.model.Type</class> <class>ch.bemar.account.persistence.model.Year</class> <class>ch.bemar.account.persistence.model.YearId</class> <class>ch.bemar.account.persistence.model.I18n</class> <class>ch.bemar.account.persistence.model.I18nGroup</class> <class>ch.bemar.account.persistence.model.I18nItem</class> <class>ch.bemar.account.persistence.model.Language</class> <class>ch.bemar.account.persistence.model.User</class> <class>ch.bemar.account.persistence.model.UserId</class> <class>ch.bemar.account.persistence.model.Payment</class> <class>ch.bemar.account.persistence.model.UserType</class> <class>ch.bemar.account.persistence.model.Customer</class> <class>ch.bemar.account.persistence.model.PaymentId</class> <class>ch.bemar.account.persistence.model.PropertyId</class> <class>ch.bemar.account.persistence.model.UserTypeId</class> <properties> <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" /> <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/jaccount_test" /> <property name="javax.persistence.jdbc.user" value="jaccount_test" /> <property name="javax.persistence.jdbc.password" value="testpw" /> <property name="hibernate.show_sql" value="true" /> <property name="hibernate.cache.provider_configuration_file_resource_path" value="ehcache.xml" /> <property name="hibernate.cache.use_second_level_cache" value="true" /> <property name="hibernate.cache.use_query_cache" value="false" /> <property name="hibernate.cache.region.factory_class" value="org.hibernate.cache.ehcache.EhCacheRegionFactory" /> <property name="hibernate.cache.provider_class" value="org.hibernate.cache.ehcache.EhCacheProvider" /> <property name="hibernate.generate_statistics" value="true"/> </properties> </persistence-unit> </persistence>
Customer.java
@Entity
@Cache(region = "customer", usage = CacheConcurrencyStrategy.READ_ONLY)
@Table(name = "customer")
public class Customer {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "custermer_id", unique = true, nullable = false)
private Long customerId;
@Column(name = "customer_name", nullable = false)
private String customerName;
@Column(name = "customer_descr")
private String customerDescripton;
@Column(name = "customer_selected", nullable = false)
private Boolean selected;
public Long getCustomerId() {
return this.customerId;
}
public void setCustomerId(Long customerId) {
this.customerId = customerId;
}
public String getCustomerName() {
return this.customerName;
}
public void setCustomerName(String customerName) {
this.customerName = customerName;
}
public String getCustomerDescripton() {
return this.customerDescripton;
}
public void setCustomerDescripton(String customerDescripton) {
this.customerDescripton = customerDescripton;
}
public Boolean getSelected() {
return this.selected;
}
public void setSelected(Boolean selected) {
this.selected = selected;
}
測試
package ch.bemar.account.test.persistence;
import java.util.Iterator;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import org.apache.commons.lang.StringUtils;
import org.hibernate.Query;
import org.hibernate.Session;
import org.junit.Test;
import ch.bemar.account.persistence.model.Customer;
public class CacheTest2 {
// private MyEntityManager persistenceEngine;
@Test
public void testRaw() {
EntityManagerFactory factory = Persistence.createEntityManagerFactory("jaccount");
EntityManager entityManager = factory.createEntityManager();
Session session = (Session) entityManager.getDelegate();
String hql = "from Customer";
Query query = session.createQuery(hql);
query.setCacheable(true);
Iterator it = query.list().iterator();
while (it.hasNext()) {
Customer account = (Customer) it.next();
System.out.println(account);
}
query = session.createQuery(hql);
query.setCacheable(true);
it = query.list().iterator();
while (it.hasNext()) {
Customer account = (Customer) it.next();
System.out.println(account);
}
System.out.println(commaToCr(session.getSessionFactory().getStatistics()));
}
private String commaToCr(Object text) {
return StringUtils.replace(text.toString(), ",", "\n");
}
}
測試輸出
HHH015016: Encountered a deprecated javax.persistence.spi.PersistenceProvider [org.hibernate.ejb.HibernatePersistence]; use [org.hibernate.jpa.HibernatePersistenceProvider] instead.
HHH015016: Encountered a deprecated javax.persistence.spi.PersistenceProvider [org.hibernate.ejb.HibernatePersistence]; use [org.hibernate.jpa.HibernatePersistenceProvider] instead.
HHH015016: Encountered a deprecated javax.persistence.spi.PersistenceProvider [org.hibernate.ejb.HibernatePersistence]; use [org.hibernate.jpa.HibernatePersistenceProvider] instead.
HHH000402: Using Hibernate built-in connection pool (not for production use!)
Cache region factory : org.hibernate.cache.ehcache.EhCacheRegionFactory
No configuration found. Configuring ehcache from ehcache-failsafe.xml found in the classpath: jar:file:/C:/Users/bemar/.m2/repository/net/sf/ehcache/ehcache-core/2.4.3/ehcache-core-2.4.3.jar!/ehcache-failsafe.xml
Configuring ehcache from URL: jar:file:/C:/Users/bemar/.m2/repository/net/sf/ehcache/ehcache-core/2.4.3/ehcache-core-2.4.3.jar!/ehcache-failsafe.xml
Configuring ehcache from InputStream
Ignoring ehcache attribute xmlns:xsi
Ignoring ehcache attribute xsi:noNamespaceSchemaLocation
Disk Store Path: C:\Users\bemar\AppData\Local\Temp\
propertiesString is null.
No CacheManagerEventListenerFactory class specified. Skipping...
No BootstrapCacheLoaderFactory class specified. Skipping...
CacheWriter factory not configured. Skipping...
No CacheExceptionHandlerFactory class specified. Skipping...
HHH020003: Could not find a specific ehcache configuration for cache named [year]; using defaults.
Deleting data file year.data
Initialised cache: year
CacheDecoratorFactory not configured for defaultCache. Skipping for 'year'.
started EHCache region: year
HHH020003: Could not find a specific ehcache configuration for cache named [language]; using defaults.
Deleting data file language.data
Initialised cache: language
CacheDecoratorFactory not configured for defaultCache. Skipping for 'language'.
started EHCache region: language
HHH020007: read-only cache configured for mutable entity [language]
HHH020003: Could not find a specific ehcache configuration for cache named [type]; using defaults.
Deleting data file type.data
Initialised cache: type
CacheDecoratorFactory not configured for defaultCache. Skipping for 'type'.
started EHCache region: type
HHH020007: read-only cache configured for mutable entity [type]
HHH020003: Could not find a specific ehcache configuration for cache named [i18n]; using defaults.
Deleting data file i18n.data
Initialised cache: i18n
CacheDecoratorFactory not configured for defaultCache. Skipping for 'i18n'.
started EHCache region: i18n
HHH020007: read-only cache configured for mutable entity [i18n]
HHH020003: Could not find a specific ehcache configuration for cache named [property]; using defaults.
Deleting data file property.data
Initialised cache: property
CacheDecoratorFactory not configured for defaultCache. Skipping for 'property'.
started EHCache region: property
HHH020007: read-only cache configured for mutable entity [property]
HHH020003: Could not find a specific ehcache configuration for cache named [account]; using defaults.
Deleting data file account.data
Initialised cache: account
CacheDecoratorFactory not configured for defaultCache. Skipping for 'account'.
started EHCache region: account
HHH020007: read-only cache configured for mutable entity [account]
HHH020003: Could not find a specific ehcache configuration for cache named [user_type]; using defaults.
Deleting data file user_type.data
Initialised cache: user_type
CacheDecoratorFactory not configured for defaultCache. Skipping for 'user_type'.
started EHCache region: user_type
HHH020007: read-only cache configured for mutable entity [user_type]
HHH020003: Could not find a specific ehcache configuration for cache named [i18n_group]; using defaults.
Deleting data file i18n_group.data
Initialised cache: i18n_group
CacheDecoratorFactory not configured for defaultCache. Skipping for 'i18n_group'.
started EHCache region: i18n_group
HHH020007: read-only cache configured for mutable entity [i18n_group]
HHH020003: Could not find a specific ehcache configuration for cache named [category]; using defaults.
Deleting data file category.data
Initialised cache: category
CacheDecoratorFactory not configured for defaultCache. Skipping for 'category'.
started EHCache region: category
HHH020007: read-only cache configured for mutable entity [category]
HHH020003: Could not find a specific ehcache configuration for cache named [i18n_item]; using defaults.
Deleting data file i18n_item.data
Initialised cache: i18n_item
CacheDecoratorFactory not configured for defaultCache. Skipping for 'i18n_item'.
started EHCache region: i18n_item
HHH020007: read-only cache configured for mutable entity [i18n_item]
HHH020003: Could not find a specific ehcache configuration for cache named [customer]; using defaults.
Deleting data file customer.data
Initialised cache: customer
CacheDecoratorFactory not configured for defaultCache. Skipping for 'customer'.
started EHCache region: customer
HHH020007: read-only cache configured for mutable entity [customer]
Hibernate: select customer0_.custermer_id as custerme1_3_, customer0_.customer_descr as customer2_3_, customer0_.customer_name as customer3_3_, customer0_.customer_selected as customer4_3_ from customer customer0_
[email protected]
[email protected]
Hibernate: select customer0_.custermer_id as custerme1_3_, customer0_.customer_descr as customer2_3_, customer0_.customer_name as customer3_3_, customer0_.customer_selected as customer4_3_ from customer customer0_
[email protected]
[email protected]
Statistics[start time=1488717305688
sessions opened=1
sessions closed=0
transactions=0
successful transactions=0
optimistic lock failures=0
flushes=0
connections obtained=1
statements prepared=2
statements closed=0
second level cache puts=2
second level cache hits=0
second level cache misses=0
entities loaded=2
entities updated=0
entities inserted=0
entities deleted=0
entities fetched=0
collections loaded=0
collections updated=0
collections removed=0
collections recreated=0
collections fetched=0
naturalId queries executed to database=0
naturalId cache puts=0
naturalId cache hits=0
naturalId cache misses=0
naturalId max query time=0
queries executed to database=2
query cache puts=0
query cache hits=0
query cache misses=0
update timestamps cache puts=0
update timestamps cache hits=0
update timestamps cache misses=0
max query time=35]
謝謝您的幫助
本傑明
'<屬性名=「hibernate.cache.use_query_cache」值=「假」 />'這是你'persistence.xml'，所以它被禁用，或者我失去了一些東西。 –
緩存不「發送所有查詢數據庫」;一個緩存回覆，如果它有一個對象或沒有。持久性提供者是向數據庫發送查詢的唯一東西 –