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HHH-10747 - Instead of the method, use the field directly in the EnhancedSetter

This commit is contained in:
barreiro 2017-04-13 15:24:14 +01:00 committed by Gail Badner
parent 66f11130ca
commit 3080e819d1
2 changed files with 23 additions and 162 deletions
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22
hibernate-core/src/main/java/org/hibernate/property/access/internal/PropertyAccessEnhancedImpl.java
View File

@ -6,13 +6,11 @@
*/
package org.hibernate.property.access.internal;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import org.hibernate.bytecode.enhance.spi.EnhancerConstants;
import org.hibernate.property.access.spi.EnhancedSetterImpl;
import org.hibernate.property.access.spi.PropertyAccessStrategy;
import org.hibernate.property.access.spi.Setter;
import org.hibernate.property.access.spi.SetterFieldImpl;
import java.lang.reflect.Field;
/**
* A PropertyAccess for byte code enhanced entities. Enhanced setter methods ( if available ) are used for
@ -32,20 +30,6 @@ public class PropertyAccessEnhancedImpl extends PropertyAccessMixedImpl {
@Override
protected Setter fieldSetter(Class<?> containerJavaType, String propertyName, Field field) {
return resolveEnhancedSetterForField( containerJavaType, propertyName, field );
return new EnhancedSetterImpl( containerJavaType, propertyName, field );
}
private static Setter resolveEnhancedSetterForField(Class<?> containerClass, String propertyName, Field field) {
try {
String enhancedSetterName = EnhancerConstants.PERSISTENT_FIELD_WRITER_PREFIX + propertyName;
Method enhancedSetter = containerClass.getDeclaredMethod( enhancedSetterName, field.getType() );
enhancedSetter.setAccessible( true );
return new EnhancedSetterImpl( containerClass, propertyName, enhancedSetter );
}
catch (NoSuchMethodException e) {
// enhancedSetter = null --- field not enhanced: fallback to reflection using the field
return new SetterFieldImpl( containerClass, propertyName, field );
}
}
}

163
hibernate-core/src/main/java/org/hibernate/property/access/spi/EnhancedSetterImpl.java
View File

@ -6,171 +6,48 @@
*/
package org.hibernate.property.access.spi;
import java.io.ObjectStreamException;
import java.io.Serializable;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import org.hibernate.PropertyAccessException;
import org.hibernate.PropertySetterAccessException;
import org.hibernate.engine.spi.SelfDirtinessTracker;
import org.hibernate.bytecode.enhance.spi.interceptor.LazyAttributeLoadingInterceptor;
import org.hibernate.engine.spi.CompositeOwner;
import org.hibernate.engine.spi.CompositeTracker;
import org.hibernate.engine.spi.PersistentAttributeInterceptable;
import org.hibernate.engine.spi.PersistentAttributeInterceptor;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.internal.CoreMessageLogger;
import static org.hibernate.internal.CoreLogging.messageLogger;
import java.lang.reflect.Field;
/**
* A specialized Setter implementation for handling setting values into
* a into a bytecode-enhanced Class. The reason we need specialized handling
* is to render the fact that the
* is to render the fact that we need to account for certain enhancement features
* during the setting process.
*
* @author Steve Ebersole
* @author Luis Barreiro
*/
public class EnhancedSetterImpl implements Setter {
private static final CoreMessageLogger LOG = messageLogger( EnhancedSetterImpl.class );
public class EnhancedSetterImpl extends SetterFieldImpl {
private final Class containerClass;
private final String propertyName;
private final Method setterMethod;
private final boolean isPrimitive;
public EnhancedSetterImpl(Class containerClass, String propertyName, Method setterMethod) {
this.containerClass = containerClass;
public EnhancedSetterImpl(Class containerClass, String propertyName, Field field) {
super( containerClass, propertyName, field );
this.propertyName = propertyName;
this.setterMethod = setterMethod;
this.isPrimitive = setterMethod.getParameterTypes()[0].isPrimitive();
}
@Override
public void set(Object target, Object value, SessionFactoryImplementor factory) {
try {
// for enhanced attribute, don't flag as dirty
if ( target instanceof SelfDirtinessTracker ) {
( (SelfDirtinessTracker) target ).$$_hibernate_suspendDirtyTracking( true );
try {
setterMethod.invoke( target, value );
}
finally {
( (SelfDirtinessTracker) target ).$$_hibernate_suspendDirtyTracking( false );
}
}
else {
setterMethod.invoke( target, value );
}
super.set( target, value, factory );
}
catch (NullPointerException npe) {
if ( value == null && isPrimitive ) {
throw new PropertyAccessException(
npe,
"Null value was assigned to a property of primitive type",
true,
containerClass,
propertyName
);
}
else {
throw new PropertyAccessException(
npe,
"NullPointerException occurred while calling",
true,
containerClass,
propertyName
);
}
}
catch (InvocationTargetException ite) {
throw new PropertyAccessException(
ite,
"Exception occurred inside",
true,
containerClass,
propertyName
);
}
catch (IllegalAccessException iae) {
throw new PropertyAccessException(
iae,
"IllegalAccessException occurred while calling",
true,
containerClass,
propertyName
);
//cannot occur
}
catch (IllegalArgumentException iae) {
if ( value == null && isPrimitive ) {
throw new PropertyAccessException(
iae,
"Null value was assigned to a property of primitive type",
true,
containerClass,
propertyName
);
}
else {
final Class expectedType = setterMethod.getParameterTypes()[0];
LOG.illegalPropertySetterArgument( containerClass.getName(), propertyName );
LOG.expectedType( expectedType.getName(), value == null ? null : value.getClass().getName() );
throw new PropertySetterAccessException(
iae,
containerClass,
propertyName,
expectedType,
target,
value
);
}
}
}
@Override
public String getMethodName() {
return setterMethod.getName();
}
@Override
public Method getMethod() {
return setterMethod;
}
private Object writeReplace() throws ObjectStreamException {
return new SerialForm( containerClass, propertyName, setterMethod );
}
private static class SerialForm implements Serializable {
private final Class containerClass;
private final String propertyName;
private final Class declaringClass;
private final String methodName;
private final Class argumentType;
private SerialForm(Class containerClass, String propertyName, Method method) {
this.containerClass = containerClass;
this.propertyName = propertyName;
this.declaringClass = method.getDeclaringClass();
this.methodName = method.getName();
this.argumentType = method.getParameterTypes()[0];
// This sets the component relation for dirty tracking purposes
if ( target instanceof CompositeOwner && value instanceof CompositeTracker ) {
( (CompositeTracker) value ).$$_hibernate_setOwner( propertyName, (CompositeOwner) target );
}
private Object readResolve() {
return new EnhancedSetterImpl( containerClass, propertyName, resolveMethod() );
}
@SuppressWarnings("unchecked")
private Method resolveMethod() {
try {
return declaringClass.getDeclaredMethod( methodName, argumentType );
}
catch (NoSuchMethodException e) {
throw new PropertyAccessSerializationException(
"Unable to resolve setter method on deserialization : " + declaringClass.getName() + "#"
+ methodName + "(" + argumentType.getName() + ")"
);
// This marks the attribute as initialized, so it doesn't get lazy loaded afterwards
if ( target instanceof PersistentAttributeInterceptable ) {
PersistentAttributeInterceptor interceptor = ( (PersistentAttributeInterceptable) target ).$$_hibernate_getInterceptor();
if ( interceptor != null && interceptor instanceof LazyAttributeLoadingInterceptor ) {
interceptor.attributeInitialized( propertyName );
}
}
}