HHH-7524 - Enabling AvailableSettings.ENABLE_LAZY_LOAD_NO_TRANS results in leaking DB-connections

(cherry picked from commit d8651c3ba7)
This commit is contained in:
Steve Ebersole 2012-08-15 10:51:47 -05:00
parent 1931ba09ef
commit 128869ad7e
9 changed files with 550 additions and 732 deletions

View File

@ -33,9 +33,12 @@ import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import org.jboss.logging.Logger;
import org.hibernate.AssertionFailure;
import org.hibernate.HibernateException;
import org.hibernate.LazyInitializationException;
import org.hibernate.Session;
import org.hibernate.cfg.AvailableSettings;
import org.hibernate.collection.spi.PersistentCollection;
import org.hibernate.engine.internal.ForeignKeys;
@ -60,6 +63,7 @@ import org.hibernate.type.Type;
* @author Gavin King
*/
public abstract class AbstractPersistentCollection implements Serializable, PersistentCollection {
private static final Logger log = Logger.getLogger( AbstractPersistentCollection.class );
private transient SessionImplementor session;
private boolean initialized;
@ -131,105 +135,195 @@ public abstract class AbstractPersistentCollection implements Serializable, Pers
return true;
}
else {
try {
if ( specjLazyLoad ) {
specialSpecjInitialization( false );
}
else {
throwLazyInitializationExceptionIfNotConnected();
}
CollectionEntry entry = session.getPersistenceContext().getCollectionEntry( this );
CollectionPersister persister = entry.getLoadedPersister();
if ( persister.isExtraLazy() ) {
if ( hasQueuedOperations() ) {
session.flush();
boolean isExtraLazy = withTemporarySessionIfNeeded(
new LazyInitializationWork<Boolean>() {
@Override
public Boolean doWork() {
CollectionEntry entry = session.getPersistenceContext().getCollectionEntry( AbstractPersistentCollection.this );
CollectionPersister persister = entry.getLoadedPersister();
if ( persister.isExtraLazy() ) {
if ( hasQueuedOperations() ) {
session.flush();
}
cachedSize = persister.getSize( entry.getLoadedKey(), session );
return true;
}
else {
read();
}
return false;
}
}
cachedSize = persister.getSize( entry.getLoadedKey(), session );
return true;
}
}
finally {
if ( specjLazyLoad ) {
session = null;
}
);
if ( isExtraLazy ) {
return true;
}
}
}
read();
return false;
}
protected Boolean readIndexExistence(Object index) {
if ( !initialized ) {
try {
if ( specjLazyLoad ) {
specialSpecjInitialization( false );
}
else {
throwLazyInitializationExceptionIfNotConnected();
}
CollectionEntry entry = session.getPersistenceContext().getCollectionEntry( this );
CollectionPersister persister = entry.getLoadedPersister();
if ( persister.isExtraLazy() ) {
if ( hasQueuedOperations() ) {
session.flush();
}
return persister.indexExists( entry.getLoadedKey(), index, session );
}
public static interface LazyInitializationWork<T> {
public T doWork();
}
private <T> T withTemporarySessionIfNeeded(LazyInitializationWork<T> lazyInitializationWork) {
SessionImplementor originalSession = null;
boolean isTempSession = false;
if ( session == null ) {
if ( specjLazyLoad ) {
session = openTemporarySessionForLoading();
isTempSession = true;
}
finally {
if ( specjLazyLoad ) {
session = null;
}
else {
throw new LazyInitializationException( "could not initialize proxy - no Session" );
}
}
else if ( !session.isOpen() ) {
if ( specjLazyLoad ) {
originalSession = session;
session = openTemporarySessionForLoading();
isTempSession = true;
}
else {
throw new LazyInitializationException( "could not initialize proxy - the owning Session was closed" );
}
}
else if ( !session.isConnected() ) {
if ( specjLazyLoad ) {
originalSession = session;
session = openTemporarySessionForLoading();
isTempSession = true;
}
else {
throw new LazyInitializationException( "could not initialize proxy - the owning Session is disconnected" );
}
}
if ( isTempSession ) {
session.getPersistenceContext().addUninitializedDetachedCollection(
session.getFactory().getCollectionPersister( getRole() ),
this
);
}
try {
return lazyInitializationWork.doWork();
}
finally {
if ( isTempSession ) {
// make sure the just opened temp session gets closed!
try {
( (Session) session ).close();
}
catch (Exception e) {
log.warn( "Unable to close temporary session used to load lazy collection associated to no session" );
}
session = originalSession;
}
}
}
private SessionImplementor openTemporarySessionForLoading() {
if ( sessionFactoryUuid == null ) {
throwLazyInitializationException( "SessionFactory UUID not known to create temporary Session for loading" );
}
SessionFactoryImplementor sf = (SessionFactoryImplementor)
SessionFactoryRegistry.INSTANCE.getSessionFactory( sessionFactoryUuid );
return (SessionImplementor) sf.openSession();
}
protected Boolean readIndexExistence(final Object index) {
if ( !initialized ) {
Boolean extraLazyExistenceCheck = withTemporarySessionIfNeeded(
new LazyInitializationWork<Boolean>() {
@Override
public Boolean doWork() {
CollectionEntry entry = session.getPersistenceContext().getCollectionEntry( AbstractPersistentCollection.this );
CollectionPersister persister = entry.getLoadedPersister();
if ( persister.isExtraLazy() ) {
if ( hasQueuedOperations() ) {
session.flush();
}
return persister.indexExists( entry.getLoadedKey(), index, session );
}
else {
read();
}
return null;
}
}
);
if ( extraLazyExistenceCheck != null ) {
return extraLazyExistenceCheck;
}
}
read();
return null;
}
protected Boolean readElementExistence(Object element) {
protected Boolean readElementExistence(final Object element) {
if ( !initialized ) {
try {
if ( specjLazyLoad ) {
specialSpecjInitialization( false );
}
else {
throwLazyInitializationExceptionIfNotConnected();
}
CollectionEntry entry = session.getPersistenceContext().getCollectionEntry( this );
CollectionPersister persister = entry.getLoadedPersister();
if ( persister.isExtraLazy() ) {
if ( hasQueuedOperations() ) {
session.flush();
Boolean extraLazyExistenceCheck = withTemporarySessionIfNeeded(
new LazyInitializationWork<Boolean>() {
@Override
public Boolean doWork() {
CollectionEntry entry = session.getPersistenceContext().getCollectionEntry( AbstractPersistentCollection.this );
CollectionPersister persister = entry.getLoadedPersister();
if ( persister.isExtraLazy() ) {
if ( hasQueuedOperations() ) {
session.flush();
}
return persister.elementExists( entry.getLoadedKey(), element, session );
}
else {
read();
}
return null;
}
}
return persister.elementExists( entry.getLoadedKey(), element, session );
}
}
finally {
if ( specjLazyLoad ) {
session = null;
}
);
if ( extraLazyExistenceCheck != null ) {
return extraLazyExistenceCheck;
}
}
read();
return null;
}
protected static final Object UNKNOWN = new MarkerObject( "UNKNOWN" );
protected Object readElementByIndex(Object index) {
protected Object readElementByIndex(final Object index) {
if ( !initialized ) {
throwLazyInitializationExceptionIfNotConnected();
CollectionEntry entry = session.getPersistenceContext().getCollectionEntry( this );
CollectionPersister persister = entry.getLoadedPersister();
if ( persister.isExtraLazy() ) {
if ( hasQueuedOperations() ) {
session.flush();
class ExtraLazyElementByIndexReader implements LazyInitializationWork {
private boolean isExtraLazy;
private Object element;
@Override
public Object doWork() {
CollectionEntry entry = session.getPersistenceContext().getCollectionEntry( AbstractPersistentCollection.this );
CollectionPersister persister = entry.getLoadedPersister();
isExtraLazy = persister.isExtraLazy();
if ( isExtraLazy ) {
if ( hasQueuedOperations() ) {
session.flush();
}
element = persister.getElementByIndex( entry.getLoadedKey(), index, session, owner );
}
else {
read();
}
return null;
}
return persister.getElementByIndex( entry.getLoadedKey(), index, session, owner );
}
ExtraLazyElementByIndexReader reader = new ExtraLazyElementByIndexReader();
//noinspection unchecked
withTemporarySessionIfNeeded( reader );
if ( reader.isExtraLazy ) {
return reader.element;
}
}
read();
return UNKNOWN;
}
@ -423,9 +517,6 @@ public abstract class AbstractPersistentCollection implements Serializable, Pers
if ( initializing ) {
throw new LazyInitializationException( "illegal access to loading collection" );
}
else if ( specjLazyLoad ) {
specialSpecjInitialization( writing );
}
else if ( session == null ) {
throw new LazyInitializationException( "could not initialize proxy - no Session" );
}
@ -451,40 +542,6 @@ public abstract class AbstractPersistentCollection implements Serializable, Pers
}
}
protected void specialSpecjInitialization(boolean writing) {
if ( session == null ) {
//we have a detached collection thats set to null, reattach
if ( sessionFactoryUuid == null ) {
throwLazyInitializationExceptionIfNotConnected();
}
try {
SessionFactoryImplementor sf = (SessionFactoryImplementor)
SessionFactoryRegistry.INSTANCE.getSessionFactory( sessionFactoryUuid );
session = (SessionImplementor) sf.openSession();
CollectionPersister collectionPersister =
session.getFactory().getCollectionPersister( this.getRole() );
session.getPersistenceContext()
.addUninitializedDetachedCollection( collectionPersister, this );
session.initializeCollection( this, writing );
//CollectionEntry entry = session.getPersistenceContext().getCollectionEntry(this);
//CollectionPersister persister = entry.getLoadedPersister();
//cachedSize = persister.getSize( entry.getLoadedKey(), session);
//session = null;
}
catch (Exception e) {
e.printStackTrace();
throw new LazyInitializationException( e.getMessage() );
}
}
else {
session.initializeCollection( this, writing );
}
}
private void throwLazyInitializationException(String message) {
throw new LazyInitializationException(
"failed to lazily initialize a collection" +

View File

@ -26,8 +26,11 @@ package org.hibernate.proxy;
import javax.naming.NamingException;
import java.io.Serializable;
import org.jboss.logging.Logger;
import org.hibernate.HibernateException;
import org.hibernate.LazyInitializationException;
import org.hibernate.Session;
import org.hibernate.SessionException;
import org.hibernate.TransientObjectException;
import org.hibernate.cfg.AvailableSettings;
@ -45,6 +48,8 @@ import org.hibernate.persister.entity.EntityPersister;
* @author Gavin King
*/
public abstract class AbstractLazyInitializer implements LazyInitializer {
private static final Logger log = Logger.getLogger( AbstractLazyInitializer.class );
private String entityName;
private Serializable id;
private Object target;
@ -185,9 +190,20 @@ public abstract class AbstractLazyInitializer implements LazyInitializer {
try {
SessionFactoryImplementor sf = (SessionFactoryImplementor)
SessionFactoryRegistry.INSTANCE.getSessionFactory( sessionFactoryUuid );
session = (SessionImplementor) sf.openSession();
SessionImplementor session = (SessionImplementor) sf.openSession();
target = session.immediateLoad( entityName, id );
try {
target = session.immediateLoad( entityName, id );
}
finally {
// make sure the just opened temp session gets closed!
try {
( (Session) session ).close();
}
catch (Exception e) {
log.warn( "Unable to close temporary session used to load lazy proxy associated to no session" );
}
}
initialized = true;
checkTargetState();
}
@ -195,9 +211,6 @@ public abstract class AbstractLazyInitializer implements LazyInitializer {
e.printStackTrace();
throw new LazyInitializationException( e.getMessage() );
}
finally {
session = null;
}
}
else if ( session.isOpen() && session.isConnected() ) {
target = session.immediateLoad( entityName, id );

View File

@ -1,245 +0,0 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat, Inc. and/or its affiliates or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat, Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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 distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.test.annotations.derivedidentities.e1.b.specjmapid.ondemand;
import java.io.Serializable;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import javax.persistence.Basic;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import javax.persistence.Version;
@SuppressWarnings("serial")
@NamedQueries({
@NamedQuery(name = CustomerDemand.QUERY_ALL,
query = "select a from CustomerDemand a"),
@NamedQuery(name = CustomerDemand.QUERY_COUNT,
query = "select COUNT(a) from CustomerDemand a"),
@NamedQuery(name = CustomerDemand.QUERY_BY_CREDIT,
query = "SELECT c.id FROM CustomerDemand c WHERE c.creditLimit > :limit")
})
@Entity
@Table(name = "O_CUSTOMERDEMAND")
public class CustomerDemand implements Serializable {
public static final String QUERY_ALL = "Customer.selectAll";
public static final String QUERY_COUNT = "Customer.count";
public static final String QUERY_BY_CREDIT = "Customer.selectByCreditLimit";
public static final String BAD_CREDIT = "BC";
@Id
@Column(name = "C_ID")
private int id;
@Column(name = "C_FIRST")
private String firstName;
@Column(name = "C_LAST")
private String lastName;
@Column(name = "C_CONTACT")
private String contact;
@Basic(fetch = FetchType.LAZY)
@Column(name = "C_CREDIT")
private String credit;
@Column(name = "C_CREDIT_LIMIT")
private BigDecimal creditLimit;
@Column(name = "C_SINCE")
@Temporal(TemporalType.DATE)
private Calendar since;
@Column(name = "C_BALANCE")
private BigDecimal balance;
@Column(name = "C_YTD_PAYMENT")
private BigDecimal ytdPayment;
@OneToMany(targetEntity = CustomerInventoryDemand.class,
mappedBy = "customer",
cascade = CascadeType.ALL,
fetch = FetchType.LAZY)
private List<CustomerInventoryDemand> customerInventories;
@Version
@Column(name = "C_VERSION")
private int version;
protected CustomerDemand() {
}
public CustomerDemand(String first, String last,
String contact, String credit, BigDecimal creditLimit,
BigDecimal balance, BigDecimal YtdPayment) {
this.firstName = first;
this.lastName = last;
this.contact = contact;
this.since = Calendar.getInstance();
this.credit = credit;
this.creditLimit = creditLimit;
this.balance = balance;
this.ytdPayment = YtdPayment;
}
public Integer getId() {
return id;
}
public void setId(Integer customerId) {
this.id = customerId;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getContact() {
return contact;
}
public void setContact(String contact) {
this.contact = contact;
}
public String getCredit() {
return credit;
}
public void setCredit(String credit) {
this.credit = credit;
}
public BigDecimal getCreditLimit() {
return creditLimit;
}
public void setCreditLimit(BigDecimal creditLimit) {
this.creditLimit = creditLimit;
}
public Calendar getSince() {
return since;
}
public void setSince(Calendar since) {
this.since = since;
}
public BigDecimal getBalance() {
return balance;
}
public void setBalance(BigDecimal balance) {
this.balance = balance;
}
public void changeBalance(BigDecimal change) {
setBalance( balance.add( change ).setScale( 2, BigDecimal.ROUND_DOWN ) );
}
public BigDecimal getYtdPayment() {
return ytdPayment;
}
public void setYtdPayment(BigDecimal ytdPayment) {
this.ytdPayment = ytdPayment;
}
public List<CustomerInventoryDemand> getInventories() {
if ( customerInventories == null ) {
customerInventories = new ArrayList<CustomerInventoryDemand>();
}
return customerInventories;
}
public CustomerInventoryDemand addInventory(ItemDemand item, int quantity,
BigDecimal totalValue) {
CustomerInventoryDemand inventory = new CustomerInventoryDemand(
this, item,
quantity, totalValue
);
getInventories().add( inventory );
return inventory;
}
public int getVersion() {
return version;
}
public boolean hasSufficientCredit(BigDecimal amount) {
return !BAD_CREDIT.equals( getCredit() )
&& creditLimit != null
&& creditLimit.compareTo( amount ) >= 0;
}
@Override
public boolean equals(Object o) {
if ( this == o ) {
return true;
}
if ( o == null || getClass() != o.getClass() ) {
return false;
}
return id == ( ( CustomerDemand ) o ).id;
}
@Override
public int hashCode() {
return new Integer( id ).hashCode();
}
@Override
public String toString() {
return this.getFirstName() + " " + this.getLastName();
}
}

View File

@ -1,149 +0,0 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat, Inc. and/or its affiliates or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat, Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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 distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.test.annotations.derivedidentities.e1.b.specjmapid.ondemand;
import java.io.Serializable;
import java.math.BigDecimal;
import java.util.Comparator;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.IdClass;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;
import javax.persistence.TableGenerator;
import javax.persistence.Version;
@NamedQueries({
@NamedQuery(name = "CustomerInventoryDemand.selectAll",
query = "select a from CustomerInventoryDemand a")
})
@SuppressWarnings("serial")
@Entity
@Table(name = "O_CUSTINVENTORY")
@IdClass(CustomerInventoryDemandPK.class)
public class CustomerInventoryDemand implements Serializable, Comparator<CustomerInventoryDemand> {
@Id
@TableGenerator(name = "inventory",
table = "U_SEQUENCES",
pkColumnName = "S_ID",
valueColumnName = "S_NEXTNUM",
pkColumnValue = "inventory",
allocationSize = 1000)
@GeneratedValue(strategy = GenerationType.TABLE, generator = "inventory")
@Column(name = "CI_ID")
private Integer id;
@Id
@Column(name = "CI_CUSTOMERID", insertable = false, updatable = false)
private int custId;
@ManyToOne(cascade = CascadeType.MERGE)
@JoinColumn(name = "CI_CUSTOMERID", nullable = false)
private CustomerDemand customer;
@ManyToOne(cascade = CascadeType.MERGE)
@JoinColumn(name = "CI_ITEMID")
private ItemDemand vehicle;
@Column(name = "CI_VALUE")
private BigDecimal totalCost;
@Column(name = "CI_QUANTITY")
private int quantity;
@Version
@Column(name = "CI_VERSION")
private int version;
protected CustomerInventoryDemand() {
}
CustomerInventoryDemand(CustomerDemand customer, ItemDemand vehicle, int quantity, BigDecimal totalValue) {
this.customer = customer;
this.vehicle = vehicle;
this.quantity = quantity;
this.totalCost = totalValue;
}
public ItemDemand getVehicle() {
return vehicle;
}
public BigDecimal getTotalCost() {
return totalCost;
}
public int getQuantity() {
return quantity;
}
public Integer getId() {
return id;
}
public CustomerDemand getCustomer() {
return customer;
}
public int getCustId() {
return custId;
}
public int getVersion() {
return version;
}
public int compare(CustomerInventoryDemand cdb1, CustomerInventoryDemand cdb2) {
return cdb1.id.compareTo( cdb2.id );
}
@Override
public boolean equals(Object obj) {
if ( obj == this ) {
return true;
}
if ( obj == null || !( obj instanceof CustomerInventoryDemand ) ) {
return false;
}
if ( this.id == ( ( CustomerInventoryDemand ) obj ).id ) {
return true;
}
if ( this.id != null && ( ( CustomerInventoryDemand ) obj ).id == null ) {
return false;
}
if ( this.id == null && ( ( CustomerInventoryDemand ) obj ).id != null ) {
return false;
}
return this.id.equals( ( ( CustomerInventoryDemand ) obj ).id );
}
}

View File

@ -0,0 +1,105 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2012, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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 distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.test.annotations.derivedidentities.e1.b.specjmapid.ondemand;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import java.math.BigDecimal;
import org.hibernate.annotations.GenericGenerator;
@Entity
@Table(name = "O_CUSTINVENTORY")
public class Inventory {
private int id = -1;
private Store store;
private Product product;
private Long quantity;
private BigDecimal storePrice;
public Inventory() {
}
public Inventory(Store store, Product product) {
this.store = store;
this.product = product;
}
@Id
@GeneratedValue
@GenericGenerator( name = "increment", strategy = "increment" )
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
@ManyToOne
@JoinColumn( name = "store_id" )
public Store getStore() {
return store;
}
public Inventory setStore(Store store) {
this.store = store;
return this;
}
@ManyToOne
@JoinColumn( name = "prod_id" )
public Product getProduct() {
return product;
}
public Inventory setProduct(Product product) {
this.product = product;
return this;
}
public Long getQuantity() {
return quantity;
}
public Inventory setQuantity(Long quantity) {
this.quantity = quantity;
return this;
}
public BigDecimal getStorePrice() {
return storePrice;
}
public Inventory setStorePrice(BigDecimal storePrice) {
this.storePrice = storePrice;
return this;
}
}

View File

@ -1,143 +0,0 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat, Inc. and/or its affiliates or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat, Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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 distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.test.annotations.derivedidentities.e1.b.specjmapid.ondemand;
import java.io.Serializable;
import java.math.BigDecimal;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;
import javax.persistence.Version;
@NamedQueries({
@NamedQuery(name = "Item.findByCategory",
query = "SELECT i FROM ItemDemand i WHERE i.category=:category ORDER BY i.id")
})
@SuppressWarnings("serial")
@Entity
@Table(name = "O_ITEM")
public class ItemDemand implements Serializable {
public static final String QUERY_BY_CATEGORY = "Item.findByCategory";
@Id
@Column(name = "I_ID")
private String id;
@Column(name = "I_NAME")
private String name;
@Column(name = "I_PRICE")
private BigDecimal price;
@Column(name = "I_DESC")
private String description;
@Column(name = "I_DISCOUNT")
private BigDecimal discount;
@Column(name = "I_CATEGORY")
private int category;
@Version
@Column(name = "I_VERSION")
int version;
public String getId() {
return id;
}
public void setId(String i) {
id = i;
}
public int getCategory() {
return category;
}
public void setCategory(int category) {
this.category = category;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public BigDecimal getDiscount() {
return discount;
}
public void setDiscount(BigDecimal discount) {
if ( discount.doubleValue() < 0 || discount.doubleValue() > 100.0 ) {
throw new IllegalArgumentException(
this + " discount " + discount
+ " is invalid. Must be between 0.0 and 100.0"
);
}
this.discount = discount;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public BigDecimal getPrice() {
return price;
}
public void setPrice(BigDecimal price) {
this.price = price;
}
public int getVersion() {
return version;
}
@Override
public boolean equals(Object other) {
if ( other == null || other.getClass() != this.getClass() ) {
return false;
}
if ( other == this ) {
return true;
}
return id.equals( ( ( ItemDemand ) other ).id );
}
@Override
public int hashCode() {
return id.hashCode();
}
}

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@ -23,91 +23,152 @@
package org.hibernate.test.annotations.derivedidentities.e1.b.specjmapid.ondemand;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.math.BigDecimal;
import java.util.List;
import org.hibernate.Hibernate;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class LazyLoadingTest extends BaseCoreFunctionalTestCase{
public class LazyLoadingTest extends BaseCoreFunctionalTestCase {
public LazyLoadingTest() {
System.setProperty( "hibernate.enable_specj_proprietary_syntax", "true" );
@Before
public void setUpData() {
Session s = openSession();
s.beginTransaction();
Store store = new Store( 1 )
.setName( "Acme Super Outlet" );
s.persist( store );
Product product = new Product( "007" )
.setName( "widget" )
.setDescription( "FooBar" );
s.persist( product );
store.addInventoryProduct( product )
.setQuantity( 10L )
.setStorePrice( new BigDecimal( 500 ) );
s.getTransaction().commit();
s.close();
}
@After
public void cleanUpData() {
Session s = openSession();
s.beginTransaction();
s.delete( s.get( Store.class, 1 ) );
s.delete( s.get( Product.class, "007" ) );
s.getTransaction().commit();
s.close();
}
@Test
public void testOnDemandLoading()
{
Session s;
Transaction tx;
s = openSession();
tx = s.beginTransaction();
// store entity in datastore
CustomerDemand cust = new CustomerDemand("John", "Doe", "123456", "1.0", new BigDecimal(1),new BigDecimal(1), new BigDecimal(5));
cust.setCredit( "GOOD" );
s.persist(cust);
ItemDemand item = new ItemDemand();
item.setId("007");
item.setName("widget");
item.setDescription( "FooBar" );
public void testLazyCollectionLoadingWithClearedSession() {
sessionFactory().getStatistics().clear();
Session s = openSession();
s.beginTransaction();
// first load the store, making sure collection is not initialized
Store store = (Store)s.get( Store.class, 1 );
assertNotNull( store );
assertFalse( Hibernate.isInitialized( store.getInventories() ) );
assertEquals( 1, sessionFactory().getStatistics().getSessionOpenCount() );
assertEquals( 0, sessionFactory().getStatistics().getSessionCloseCount() );
cust.addInventory(item, 1, new BigDecimal(500));
s.persist(item);
s.persist(cust);
s.flush();
CustomerInventoryDemand eager = cust.getInventories().get( 0 );
Integer lazyId = cust.getId();
tx.commit();
s.close();
s = openSession();
// load the lazy entity, orm configuration loaded during @Before defines loading
//tx = s.beginTransaction();
CustomerDemand lazyCustomer = (CustomerDemand)s.get(CustomerDemand.class, lazyId);
assertNotNull(lazyCustomer);
// then clear session and try to initialize collection
s.clear();
store.getInventories().size();
assertTrue( Hibernate.isInitialized( store.getInventories() ) );
// access the association, outside the session that loaded the entity
List<CustomerInventoryDemand> inventories = lazyCustomer.getInventories(); // on-demand load
assertNotNull(inventories);
assertTrue( inventories.contains( eager ) ); // test readElementExistence
assertEquals(1, inventories.size()); // test readSize
//assertTrue(inventories.contains(item));
assertEquals( cust.getCredit(), lazyCustomer.getCredit() );
CustomerInventoryDemand inv = inventories.get(0);
assertNotNull(inv);
assertEquals(inv.getQuantity(), 1); // field access
assertEquals(inv.getVehicle().getDescription(), "FooBar"); // field access
assertEquals( 2, sessionFactory().getStatistics().getSessionOpenCount() );
assertEquals( 1, sessionFactory().getStatistics().getSessionCloseCount() );
s.getTransaction().commit();
s.close();
}
@Test
public void testLazyCollectionLoadingWithClosedSession() {
sessionFactory().getStatistics().clear();
Session s = openSession();
s.beginTransaction();
// first load the store, making sure collection is not initialized
Store store = (Store)s.get( Store.class, 1 );
assertNotNull( store );
assertFalse( Hibernate.isInitialized( store.getInventories() ) );
assertEquals( 1, sessionFactory().getStatistics().getSessionOpenCount() );
assertEquals( 0, sessionFactory().getStatistics().getSessionCloseCount() );
// close the session and try to initialize collection
s.getTransaction().commit();
s.close();
assertEquals( 1, sessionFactory().getStatistics().getSessionOpenCount() );
assertEquals( 1, sessionFactory().getStatistics().getSessionCloseCount() );
store.getInventories().size();
assertTrue( Hibernate.isInitialized( store.getInventories() ) );
assertEquals( 2, sessionFactory().getStatistics().getSessionOpenCount() );
assertEquals( 2, sessionFactory().getStatistics().getSessionCloseCount() );
}
@Test
public void testLazyEntityLoadingWithClosedSession() {
sessionFactory().getStatistics().clear();
Session s = openSession();
s.beginTransaction();
// first load the store, making sure it is not initialized
Store store = (Store) s.load( Store.class, 1 );
assertNotNull( store );
assertFalse( Hibernate.isInitialized( store ) );
assertEquals( 1, sessionFactory().getStatistics().getSessionOpenCount() );
assertEquals( 0, sessionFactory().getStatistics().getSessionCloseCount() );
// close the session and try to initialize store
s.getTransaction().commit();
s.close();
assertEquals( 1, sessionFactory().getStatistics().getSessionOpenCount() );
assertEquals( 1, sessionFactory().getStatistics().getSessionCloseCount() );
store.getName();
assertTrue( Hibernate.isInitialized( store ) );
assertEquals( 2, sessionFactory().getStatistics().getSessionOpenCount() );
assertEquals( 2, sessionFactory().getStatistics().getSessionCloseCount() );
}
public LazyLoadingTest() {
System.setProperty( "hibernate.enable_specj_proprietary_syntax", "true" );
}
@Override
protected void configure(Configuration cfg) {
super.configure( cfg );
cfg.setProperty( Environment.ENABLE_LAZY_LOAD_NO_TRANS, "true");
cfg.setProperty( Environment.ENABLE_LAZY_LOAD_NO_TRANS, "true" );
cfg.setProperty( Environment.GENERATE_STATISTICS, "true" );
}
@Override
protected Class[] getAnnotatedClasses() {
return new Class[] {
CustomerDemand.class,
CustomerInventoryDemand.class,
CustomerInventoryDemandPK.class,
ItemDemand.class
};
return new Class[] { Store.class, Inventory.class, Product.class };
}
}

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@ -22,45 +22,70 @@
* Boston, MA 02110-1301 USA
*/
package org.hibernate.test.annotations.derivedidentities.e1.b.specjmapid.ondemand;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Version;
import java.io.Serializable;
import java.math.BigDecimal;
@Entity
public class Product implements Serializable {
private String id;
private String name;
private String description;
private BigDecimal msrp;
private int version;
public class CustomerInventoryDemandPK implements Serializable {
private Integer id;
private int custId;
public CustomerInventoryDemandPK() {
private Product() {
}
public CustomerInventoryDemandPK(Integer id, int custId) {
public Product(String id) {
this.id = id;
this.custId = custId;
}
public boolean equals(Object other) {
if ( other == this ) {
return true;
}
if ( other == null || getClass() != other.getClass() ) {
return false;
}
CustomerInventoryDemandPK cip = ( CustomerInventoryDemandPK ) other;
return ( custId == cip.custId && ( id == cip.id ||
( id != null && id.equals( cip.id ) ) ) );
}
public int hashCode() {
return ( id == null ? 0 : id.hashCode() ) ^ custId;
}
public Integer getId() {
@Id
public String getId() {
return id;
}
public int getCustId() {
return custId;
private void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public Product setName(String name) {
this.name = name;
return this;
}
public String getDescription() {
return description;
}
public Product setDescription(String description) {
this.description = description;
return this;
}
public BigDecimal getMsrp() {
return msrp;
}
public Product setMsrp(BigDecimal msrp) {
this.msrp = msrp;
return this;
}
@Version
public int getVersion() {
return version;
}
private void setVersion(int version) {
this.version = version;
}
}

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@ -0,0 +1,94 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat, Inc. and/or its affiliates or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat, Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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 distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.test.annotations.derivedidentities.e1.b.specjmapid.ondemand;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.Version;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
@Entity
public class Store implements Serializable {
private int id;
private String name;
private List<Inventory> inventories = new ArrayList<Inventory>();
private int version;
protected Store() {
}
public Store(int id) {
this.id = id;
}
@Id
@Column(name = "ID")
public Integer getId() {
return id;
}
private void setId(int id) {
this.id = id;
}
@Column(name = "NAME")
public String getName() {
return name;
}
public Store setName(String name) {
this.name = name;
return this;
}
@OneToMany(mappedBy = "store", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
public List<Inventory> getInventories() {
return inventories;
}
public void setInventories(List<Inventory> inventories) {
this.inventories = inventories;
}
public Inventory addInventoryProduct(Product product) {
final Inventory inventory = new Inventory( this, product );
this.inventories.add( inventory );
return inventory;
}
@Version
public int getVersion() {
return version;
}
private void setVersion(int version) {
this.version = version;
}
}