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HHH-7470 Introducing interface SchemaConstraint and add implementations for the constraints used in TypeSafeActivator

This commit is contained in:
Hardy Ferentschik 2012-07-26 18:21:03 +02:00
parent d631bf6342
commit 389e8d01d6
10 changed files with 549 additions and 191 deletions
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2
hibernate-core/src/main/java/org/hibernate/cfg/AvailableSettings.java
View File

@ -604,7 +604,7 @@ public interface AvailableSettings {
public static final String INTERCEPTOR = "hibernate.sessionFactory.interceptor";
/**
* Setting which defines the order (and therefore precedence) in whcih Hibernate will process mapping information.
* Setting which defines the order (and therefore precedence) in which Hibernate will process mapping information.
* Valid values include: <ul>
* <li>{@code hbm}</li>
* <li>{@code class}</li>

307
hibernate-core/src/main/java/org/hibernate/cfg/beanvalidation/TypeSafeActivator.java
View File

@ -23,22 +23,18 @@
*/
package org.hibernate.cfg.beanvalidation;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import java.util.StringTokenizer;
import javax.validation.Validation;
import javax.validation.ValidatorFactory;
import javax.validation.constraints.Digits;
import javax.validation.constraints.Max;
import javax.validation.constraints.Min;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
import javax.validation.metadata.BeanDescriptor;
import javax.validation.metadata.ConstraintDescriptor;
import javax.validation.metadata.PropertyDescriptor;
@ -48,17 +44,21 @@ import org.jboss.logging.Logger;
import org.hibernate.AssertionFailure;
import org.hibernate.HibernateException;
import org.hibernate.MappingException;
import org.hibernate.cfg.beanvalidation.ddl.DigitsSchemaConstraint;
import org.hibernate.cfg.beanvalidation.ddl.LengthSchemaConstraint;
import org.hibernate.cfg.beanvalidation.ddl.MaxSchemaConstraint;
import org.hibernate.cfg.beanvalidation.ddl.MinSchemaConstraint;
import org.hibernate.cfg.beanvalidation.ddl.NotNullSchemaConstraint;
import org.hibernate.cfg.beanvalidation.ddl.SchemaConstraint;
import org.hibernate.cfg.beanvalidation.ddl.SizeSchemaConstraint;
import org.hibernate.dialect.Dialect;
import org.hibernate.event.service.spi.EventListenerRegistry;
import org.hibernate.event.spi.EventType;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.internal.util.ReflectHelper;
import org.hibernate.internal.util.StringHelper;
import org.hibernate.mapping.Column;
import org.hibernate.mapping.Component;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.Property;
import org.hibernate.mapping.SingleTableSubclass;
/**
* @author Emmanuel Bernard
@ -66,13 +66,27 @@ import org.hibernate.mapping.SingleTableSubclass;
*/
class TypeSafeActivator {
private static final CoreMessageLogger LOG = Logger.getMessageLogger(CoreMessageLogger.class, TypeSafeActivator.class.getName());
private static final CoreMessageLogger LOG = Logger.getMessageLogger(
CoreMessageLogger.class,
TypeSafeActivator.class.getName()
);
private static final String FACTORY_PROPERTY = "javax.persistence.validation.factory";
private static final List<SchemaConstraint> schemaConstraints;
private static final NotNullSchemaConstraint notNullSchemaConstraint = new NotNullSchemaConstraint();
@SuppressWarnings( {"UnusedDeclaration"})
static {
schemaConstraints = new ArrayList<SchemaConstraint>();
schemaConstraints.add( new DigitsSchemaConstraint() );
schemaConstraints.add( new SizeSchemaConstraint() );
schemaConstraints.add( new MinSchemaConstraint() );
schemaConstraints.add( new MaxSchemaConstraint() );
schemaConstraints.add( new LengthSchemaConstraint() );
}
@SuppressWarnings({ "UnusedDeclaration" })
public static void validateFactory(Object object) {
if ( ! ValidatorFactory.class.isInstance( object ) ) {
if ( !ValidatorFactory.class.isInstance( object ) ) {
throw new HibernateException(
"Given object was not an instance of " + ValidatorFactory.class.getName()
+ "[" + object.getClass().getName() + "]"
@ -80,7 +94,7 @@ class TypeSafeActivator {
}
}
@SuppressWarnings( {"UnusedDeclaration"})
@SuppressWarnings({ "UnusedDeclaration" })
public static void activateBeanValidation(EventListenerRegistry listenerRegistry, Properties properties) {
ValidatorFactory factory = getValidatorFactory( properties );
BeanValidationEventListener listener = new BeanValidationEventListener(
@ -96,7 +110,7 @@ class TypeSafeActivator {
listener.initialize( properties );
}
@SuppressWarnings( {"UnusedDeclaration"})
@SuppressWarnings({ "UnusedDeclaration" })
public static void applyDDL(Collection<PersistentClass> persistentClasses, Properties properties, Dialect dialect) {
ValidatorFactory factory = getValidatorFactory( properties );
Class<?>[] groupsArray = new GroupsPerOperation( properties ).get( GroupsPerOperation.Operation.DDL );
@ -119,12 +133,93 @@ class TypeSafeActivator {
try {
applyDDL( "", persistentClass, clazz, factory, groups, true, dialect );
}
catch (Exception e) {
catch ( Exception e ) {
LOG.unableToApplyConstraints( className, e );
}
}
}
private static void applyDDL(String prefix,
PersistentClass persistentClass,
Class<?> clazz,
ValidatorFactory factory,
Set<Class<?>> groups,
boolean activateNotNull,
Dialect dialect) {
final BeanDescriptor descriptor = factory.getValidator().getConstraintsForClass( clazz );
for ( PropertyDescriptor propertyDesc : descriptor.getConstrainedProperties() ) {
Property property = findPropertyByName( persistentClass, prefix + propertyDesc.getPropertyName() );
boolean hasNotNull;
if ( property != null ) {
hasNotNull = applyConstraints(
propertyDesc.getConstraintDescriptors(),
property,
propertyDesc,
groups,
activateNotNull,
dialect
);
if ( property.isComposite() && propertyDesc.isCascaded() ) {
Class<?> componentClass = ( ( Component ) property.getValue() ).getComponentClass();
/*
* we can apply not null if the upper component let's us activate not null
* and if the property is not null.
* Otherwise, all sub columns should be left nullable
*/
final boolean canSetNotNullOnColumns = activateNotNull && hasNotNull;
applyDDL(
prefix + propertyDesc.getPropertyName() + ".",
persistentClass,
componentClass,
factory,
groups,
canSetNotNullOnColumns,
dialect
);
}
//FIXME add collection of components
}
}
}
private static boolean applyConstraints(Set<ConstraintDescriptor<?>> constraintDescriptors,
Property property,
PropertyDescriptor propertyDescriptor,
Set<Class<?>> groups,
boolean canApplyNotNull,
Dialect dialect
) {
boolean hasNotNull = false;
for ( ConstraintDescriptor<?> constraintDescriptor : constraintDescriptors ) {
if ( groups != null && Collections.disjoint( constraintDescriptor.getGroups(), groups ) ) {
continue;
}
if ( canApplyNotNull ) {
hasNotNull = hasNotNull || notNullSchemaConstraint.applyConstraint(
property,
constraintDescriptor,
propertyDescriptor,
dialect
);
}
for ( SchemaConstraint schemaConstraint : schemaConstraints ) {
schemaConstraint.applyConstraint( property, constraintDescriptor, propertyDescriptor, dialect );
}
// pass an empty set as composing constraints inherit the main constraint and thus are matching already
hasNotNull = hasNotNull || applyConstraints(
constraintDescriptor.getComposingConstraints(),
property, propertyDescriptor, null,
canApplyNotNull,
dialect
);
}
return hasNotNull;
}
// public static void applyDDL( Iterable<EntityBinding> bindings,
// Properties properties,
// ClassLoaderService classLoaderService ) {
@ -144,43 +239,6 @@ class TypeSafeActivator {
// }
// }
private static void applyDDL(String prefix,
PersistentClass persistentClass,
Class<?> clazz,
ValidatorFactory factory,
Set<Class<?>> groups,
boolean activateNotNull,
Dialect dialect) {
final BeanDescriptor descriptor = factory.getValidator().getConstraintsForClass( clazz );
//no bean level constraints can be applied, go to the properties
for ( PropertyDescriptor propertyDesc : descriptor.getConstrainedProperties() ) {
Property property = findPropertyByName( persistentClass, prefix + propertyDesc.getPropertyName() );
boolean hasNotNull;
if ( property != null ) {
hasNotNull = applyConstraints(
propertyDesc.getConstraintDescriptors(), property, propertyDesc, groups, activateNotNull, dialect
);
if ( property.isComposite() && propertyDesc.isCascaded() ) {
Class<?> componentClass = ( (Component) property.getValue() ).getComponentClass();
/*
* we can apply not null if the upper component let's us activate not null
* and if the property is not null.
* Otherwise, all sub columns should be left nullable
*/
final boolean canSetNotNullOnColumns = activateNotNull && hasNotNull;
applyDDL(
prefix + propertyDesc.getPropertyName() + ".",
persistentClass, componentClass, factory, groups,
canSetNotNullOnColumns,
dialect
);
}
//FIXME add collection of components
}
}
}
// private static void applyDDL( String prefix,
// EntityBinding binding,
@ -199,45 +257,6 @@ class TypeSafeActivator {
// }
// }
private static boolean applyConstraints(Set<ConstraintDescriptor<?>> constraintDescriptors,
Property property,
PropertyDescriptor propertyDesc,
Set<Class<?>> groups,
boolean canApplyNotNull,
Dialect dialect
) {
boolean hasNotNull = false;
for ( ConstraintDescriptor<?> descriptor : constraintDescriptors ) {
if ( groups != null && Collections.disjoint( descriptor.getGroups(), groups ) ) {
continue;
}
if ( canApplyNotNull ) {
hasNotNull = hasNotNull || applyNotNull( property, descriptor );
}
// apply bean validation specific constraints
applyDigits( property, descriptor );
applySize( property, descriptor, propertyDesc );
applyMin( property, descriptor, dialect );
applyMax( property, descriptor, dialect );
// apply hibernate validator specific constraints - we cannot import any HV specific classes though!
// no need to check explicitly for @Range. @Range is a composed constraint using @Min and @Max which
// will be taken care later
applyLength( property, descriptor, propertyDesc );
// pass an empty set as composing constraints inherit the main constraint and thus are matching already
hasNotNull = hasNotNull || applyConstraints(
descriptor.getComposingConstraints(),
property, propertyDesc, null,
canApplyNotNull,
dialect
);
}
return hasNotNull;
}
// private static boolean applyConstraints( Set<ConstraintDescriptor<?>> constraintDescriptors,
// AttributeBinding attributeBinding,
// PropertyDescriptor propertyDesc,
@ -269,58 +288,6 @@ class TypeSafeActivator {
// return hasNotNull;
// }
private static void applyMin(Property property, ConstraintDescriptor<?> descriptor, Dialect dialect) {
if ( Min.class.equals( descriptor.getAnnotation().annotationType() ) ) {
@SuppressWarnings("unchecked")
ConstraintDescriptor<Min> minConstraint = (ConstraintDescriptor<Min>) descriptor;
long min = minConstraint.getAnnotation().value();
Column col = (Column) property.getColumnIterator().next();
String checkConstraint = col.getQuotedName(dialect) + ">=" + min;
applySQLCheck( col, checkConstraint );
}
}
private static void applyMax(Property property, ConstraintDescriptor<?> descriptor, Dialect dialect) {
if ( Max.class.equals( descriptor.getAnnotation().annotationType() ) ) {
@SuppressWarnings("unchecked")
ConstraintDescriptor<Max> maxConstraint = (ConstraintDescriptor<Max>) descriptor;
long max = maxConstraint.getAnnotation().value();
Column col = (Column) property.getColumnIterator().next();
String checkConstraint = col.getQuotedName(dialect) + "<=" + max;
applySQLCheck( col, checkConstraint );
}
}
private static void applySQLCheck(Column col, String checkConstraint) {
String existingCheck = col.getCheckConstraint();
// need to check whether the new check is already part of the existing check, because applyDDL can be called
// multiple times
if ( StringHelper.isNotEmpty( existingCheck ) && !existingCheck.contains( checkConstraint ) ) {
checkConstraint = col.getCheckConstraint() + " AND " + checkConstraint;
}
col.setCheckConstraint( checkConstraint );
}
private static boolean applyNotNull(Property property, ConstraintDescriptor<?> descriptor) {
boolean hasNotNull = false;
if ( NotNull.class.equals( descriptor.getAnnotation().annotationType() ) ) {
if ( !( property.getPersistentClass() instanceof SingleTableSubclass ) ) {
//single table should not be forced to null
if ( !property.isComposite() ) { //composite should not add not-null on all columns
@SuppressWarnings( "unchecked" )
Iterator<Column> iter = property.getColumnIterator();
while ( iter.hasNext() ) {
iter.next().setNullable( false );
hasNotNull = true;
}
}
}
hasNotNull = true;
}
return hasNotNull;
}
// private static boolean applyNotNull( AttributeBinding attributeBinding,
// ConstraintDescriptor<?> descriptor ) {
// boolean hasNotNull = false;
@ -341,48 +308,12 @@ class TypeSafeActivator {
// return hasNotNull;
// }
private static void applyDigits(Property property, ConstraintDescriptor<?> descriptor) {
if ( Digits.class.equals( descriptor.getAnnotation().annotationType() ) ) {
@SuppressWarnings("unchecked")
ConstraintDescriptor<Digits> digitsConstraint = (ConstraintDescriptor<Digits>) descriptor;
int integerDigits = digitsConstraint.getAnnotation().integer();
int fractionalDigits = digitsConstraint.getAnnotation().fraction();
Column col = (Column) property.getColumnIterator().next();
col.setPrecision( integerDigits + fractionalDigits );
col.setScale( fractionalDigits );
}
}
private static void applySize(Property property, ConstraintDescriptor<?> descriptor, PropertyDescriptor propertyDescriptor) {
if ( Size.class.equals( descriptor.getAnnotation().annotationType() )
&& String.class.equals( propertyDescriptor.getElementClass() ) ) {
@SuppressWarnings("unchecked")
ConstraintDescriptor<Size> sizeConstraint = (ConstraintDescriptor<Size>) descriptor;
int max = sizeConstraint.getAnnotation().max();
Column col = (Column) property.getColumnIterator().next();
if ( max < Integer.MAX_VALUE ) {
col.setLength( max );
}
}
}
private static void applyLength(Property property, ConstraintDescriptor<?> descriptor, PropertyDescriptor propertyDescriptor) {
if ( "org.hibernate.validator.constraints.Length".equals(
descriptor.getAnnotation().annotationType().getName()
)
&& String.class.equals( propertyDescriptor.getElementClass() ) ) {
@SuppressWarnings("unchecked")
int max = (Integer) descriptor.getAttributes().get( "max" );
Column col = (Column) property.getColumnIterator().next();
if ( max < Integer.MAX_VALUE ) {
col.setLength( max );
}
}
}
/**
* @param associatedClass
* @param propertyName
* Locates a mapping property of a persistent class by property name
*
* @param associatedClass the persistent class
* @param propertyName the property name
*
* @return the property by path in a recursive way, including IdentifierProperty in the loop if propertyName is
* <code>null</code>. If propertyName is <code>null</code> or empty, the IdentifierProperty is returned
*/
@ -404,7 +335,7 @@ class TypeSafeActivator {
}
StringTokenizer st = new StringTokenizer( propertyName, ".", false );
while ( st.hasMoreElements() ) {
String element = (String) st.nextElement();
String element = ( String ) st.nextElement();
if ( property == null ) {
property = associatedClass.getProperty( element );
}
@ -412,7 +343,7 @@ class TypeSafeActivator {
if ( !property.isComposite() ) {
return null;
}
property = ( (Component) property.getValue() ).getProperty( element );
property = ( ( Component ) property.getValue() ).getProperty( element );
}
}
}
@ -425,7 +356,7 @@ class TypeSafeActivator {
}
StringTokenizer st = new StringTokenizer( propertyName, ".", false );
while ( st.hasMoreElements() ) {
String element = (String) st.nextElement();
String element = ( String ) st.nextElement();
if ( property == null ) {
property = associatedClass.getIdentifierMapper().getProperty( element );
}
@ -433,7 +364,7 @@ class TypeSafeActivator {
if ( !property.isComposite() ) {
return null;
}
property = ( (Component) property.getValue() ).getProperty( element );
property = ( ( Component ) property.getValue() ).getProperty( element );
}
}
}

55
hibernate-core/src/main/java/org/hibernate/cfg/beanvalidation/ddl/DigitsSchemaConstraint.java Normal file
View File

@ -0,0 +1,55 @@
/*
* 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.cfg.beanvalidation.ddl;
import javax.validation.constraints.Digits;
import javax.validation.metadata.ConstraintDescriptor;
import javax.validation.metadata.PropertyDescriptor;
import org.hibernate.dialect.Dialect;
import org.hibernate.mapping.Column;
import org.hibernate.mapping.Property;
/**
* @author Hardy Ferentschik
*/
public class DigitsSchemaConstraint implements SchemaConstraint {
@Override
public boolean applyConstraint(Property property, ConstraintDescriptor<?> descriptor, PropertyDescriptor propertyDescriptor, Dialect dialect) {
if ( !Digits.class.equals( descriptor.getAnnotation().annotationType() ) ) {
return false;
}
@SuppressWarnings("unchecked")
ConstraintDescriptor<Digits> digitsConstraint = ( ConstraintDescriptor<Digits> ) descriptor;
int integerDigits = digitsConstraint.getAnnotation().integer();
int fractionalDigits = digitsConstraint.getAnnotation().fraction();
Column col = ( Column ) property.getColumnIterator().next();
col.setPrecision( integerDigits + fractionalDigits );
col.setScale( fractionalDigits );
return true;
}
}

59
hibernate-core/src/main/java/org/hibernate/cfg/beanvalidation/ddl/LengthSchemaConstraint.java Normal file
View File

@ -0,0 +1,59 @@
/*
* 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.cfg.beanvalidation.ddl;
import javax.validation.metadata.ConstraintDescriptor;
import javax.validation.metadata.PropertyDescriptor;
import org.hibernate.dialect.Dialect;
import org.hibernate.mapping.Column;
import org.hibernate.mapping.Property;
/**
* @author Hardy Ferentschik
*/
public class LengthSchemaConstraint implements SchemaConstraint {
// apply hibernate validator specific constraints - we cannot import any HV specific classes though!
// no need to check explicitly for @Range. @Range is a composed constraint using @Min and @Max which
// will be taken care later
private static final String LENGTH_CONSTRAINT = "org.hibernate.validator.constraints.Length";
@Override
public boolean applyConstraint(Property property, ConstraintDescriptor<?> descriptor, PropertyDescriptor propertyDescriptor, Dialect dialect) {
if ( !LENGTH_CONSTRAINT.equals( descriptor.getAnnotation().annotationType().getName() )
|| !String.class.equals( propertyDescriptor.getElementClass() ) ) {
return false;
}
@SuppressWarnings("unchecked")
int max = ( Integer ) descriptor.getAttributes().get( "max" );
Column col = ( Column ) property.getColumnIterator().next();
if ( max < Integer.MAX_VALUE ) {
col.setLength( max );
}
return true;
}
}

52
hibernate-core/src/main/java/org/hibernate/cfg/beanvalidation/ddl/MaxSchemaConstraint.java Normal file
View File

@ -0,0 +1,52 @@
/*
* 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.cfg.beanvalidation.ddl;
import javax.validation.constraints.Max;
import javax.validation.metadata.ConstraintDescriptor;
import javax.validation.metadata.PropertyDescriptor;
import org.hibernate.dialect.Dialect;
import org.hibernate.mapping.Column;
import org.hibernate.mapping.Property;
/**
* @author Hardy Ferentschik
*/
public class MaxSchemaConstraint implements SchemaConstraint {
@Override
public boolean applyConstraint(Property property, ConstraintDescriptor<?> descriptor, PropertyDescriptor propertyDescriptor, Dialect dialect) {
if ( !Max.class.equals( descriptor.getAnnotation().annotationType() ) ) {
return false;
}
@SuppressWarnings("unchecked")
ConstraintDescriptor<Max> maxConstraint = ( ConstraintDescriptor<Max> ) descriptor;
long max = maxConstraint.getAnnotation().value();
Column col = ( Column ) property.getColumnIterator().next();
String checkConstraint = col.getQuotedName( dialect ) + "<=" + max;
SchemaModificationHelper.applySQLCheck( col, checkConstraint );
return true;
}
}

57
hibernate-core/src/main/java/org/hibernate/cfg/beanvalidation/ddl/MinSchemaConstraint.java Normal file
View File

@ -0,0 +1,57 @@
/*
* 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.cfg.beanvalidation.ddl;
import javax.validation.constraints.Min;
import javax.validation.metadata.ConstraintDescriptor;
import javax.validation.metadata.PropertyDescriptor;
import org.hibernate.dialect.Dialect;
import org.hibernate.mapping.Column;
import org.hibernate.mapping.Property;
/**
* @author Hardy Ferentschik
*/
public class MinSchemaConstraint implements SchemaConstraint {
@Override
public boolean applyConstraint(Property property, ConstraintDescriptor<?> descriptor, PropertyDescriptor propertyDescriptor, Dialect dialect) {
if ( !Min.class.equals( descriptor.getAnnotation().annotationType() ) ) {
return false;
}
@SuppressWarnings("unchecked")
ConstraintDescriptor<Min> minConstraint = ( ConstraintDescriptor<Min> ) descriptor;
long min = minConstraint.getAnnotation().value();
Column col = ( Column ) property.getColumnIterator().next();
String checkConstraint = col.getQuotedName( dialect ) + ">=" + min;
SchemaModificationHelper.applySQLCheck( col, checkConstraint );
return true;
}
}

60
hibernate-core/src/main/java/org/hibernate/cfg/beanvalidation/ddl/NotNullSchemaConstraint.java Normal file
View File

@ -0,0 +1,60 @@
/*
* 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.cfg.beanvalidation.ddl;
import java.util.Iterator;
import javax.validation.constraints.NotNull;
import javax.validation.metadata.ConstraintDescriptor;
import javax.validation.metadata.PropertyDescriptor;
import org.hibernate.dialect.Dialect;
import org.hibernate.mapping.Column;
import org.hibernate.mapping.Property;
import org.hibernate.mapping.SingleTableSubclass;
/**
* @author Hardy Ferentschik
*/
public class NotNullSchemaConstraint implements SchemaConstraint {
@Override
public boolean applyConstraint(Property property, ConstraintDescriptor<?> descriptor, PropertyDescriptor propertyDescriptor, Dialect dialect) {
if ( !NotNull.class.equals( descriptor.getAnnotation().annotationType() ) ) {
return false;
}
if ( !( property.getPersistentClass() instanceof SingleTableSubclass ) ) {
//single table should not be forced to null
if ( !property.isComposite() ) { //composite should not add not-null on all columns
@SuppressWarnings("unchecked")
Iterator<Column> iter = property.getColumnIterator();
while ( iter.hasNext() ) {
iter.next().setNullable( false );
}
}
}
return true;
}
}

41
hibernate-core/src/main/java/org/hibernate/cfg/beanvalidation/ddl/SchemaConstraint.java Normal file
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@ -0,0 +1,41 @@
/*
* 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.cfg.beanvalidation.ddl;
import javax.validation.metadata.ConstraintDescriptor;
import javax.validation.metadata.PropertyDescriptor;
import org.hibernate.dialect.Dialect;
import org.hibernate.mapping.Property;
/**
* Interface for modification of schema related meta information based on Bean Validation constraints
*
* @author Hardy Ferentschik
*/
public interface SchemaConstraint {
boolean applyConstraint(Property property, ConstraintDescriptor<?> descriptor, PropertyDescriptor propertyDescriptor, Dialect dialect);
}

47
hibernate-core/src/main/java/org/hibernate/cfg/beanvalidation/ddl/SchemaModificationHelper.java Normal file
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/*
* 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.cfg.beanvalidation.ddl;
import org.hibernate.internal.util.StringHelper;
import org.hibernate.mapping.Column;
/**
* @author Hardy Ferentschik
*/
public class SchemaModificationHelper {
private SchemaModificationHelper() {
}
public static void applySQLCheck(Column col, String checkConstraint) {
String existingCheck = col.getCheckConstraint();
// need to check whether the new check is already part of the existing check, because applyDDL can be called
// multiple times
if ( StringHelper.isNotEmpty( existingCheck ) && !existingCheck.contains( checkConstraint ) ) {
checkConstraint = col.getCheckConstraint() + " AND " + checkConstraint;
}
col.setCheckConstraint( checkConstraint );
}
}

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hibernate-core/src/main/java/org/hibernate/cfg/beanvalidation/ddl/SizeSchemaConstraint.java Normal file
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/*
* 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.cfg.beanvalidation.ddl;
import javax.validation.constraints.Size;
import javax.validation.metadata.ConstraintDescriptor;
import javax.validation.metadata.PropertyDescriptor;
import org.hibernate.dialect.Dialect;
import org.hibernate.mapping.Column;
import org.hibernate.mapping.Property;
/**
* @author Hardy Ferentschik
*/
public class SizeSchemaConstraint implements SchemaConstraint {
@Override
public boolean applyConstraint(Property property, ConstraintDescriptor<?> descriptor, PropertyDescriptor propertyDescriptor, Dialect dialect) {
if ( !Size.class.equals( descriptor.getAnnotation().annotationType() )
|| !String.class.equals( propertyDescriptor.getElementClass() ) ) {
return false;
}
@SuppressWarnings("unchecked")
ConstraintDescriptor<Size> sizeConstraint = ( ConstraintDescriptor<Size> ) descriptor;
int max = sizeConstraint.getAnnotation().max();
Column col = ( Column ) property.getColumnIterator().next();
if ( max < Integer.MAX_VALUE ) {
col.setLength( max );
}
return true;
}
}