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HHH-6447 - Develop shared binding creation approach

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This commit is contained in:
Steve Ebersole 2011-07-20 15:58:13 -05:00
parent acc93a3d8c
commit 2abfe3de23
2 changed files with 39 additions and 30 deletions
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13
hibernate-core/src/main/java/org/hibernate/metamodel/binding/SimpleSingularAttributeBinding.java
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@ -1,7 +1,7 @@
/* /*
* Hibernate, Relational Persistence for Idiomatic Java * Hibernate, Relational Persistence for Idiomatic Java
* *
* Copyright (c) 2010, Red Hat Inc. or third-party contributors as * Copyright (c) 2011, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution * indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are * statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc. * distributed under license by Red Hat Inc.
@ -26,13 +26,14 @@
import java.util.Properties; import java.util.Properties;
import org.hibernate.MappingException; import org.hibernate.MappingException;
import org.hibernate.cfg.AvailableSettings;
import org.hibernate.id.IdentifierGenerator; import org.hibernate.id.IdentifierGenerator;
import org.hibernate.id.PersistentIdentifierGenerator; import org.hibernate.id.PersistentIdentifierGenerator;
import org.hibernate.id.factory.IdentifierGeneratorFactory; import org.hibernate.id.factory.IdentifierGeneratorFactory;
import org.hibernate.mapping.PropertyGeneration; import org.hibernate.mapping.PropertyGeneration;
import org.hibernate.metamodel.domain.SingularAttribute; import org.hibernate.metamodel.domain.SingularAttribute;
import org.hibernate.metamodel.relational.state.ColumnRelationalState; import org.hibernate.metamodel.relational.Column;
import org.hibernate.metamodel.relational.Schema;
import org.hibernate.metamodel.relational.SimpleValue;
import org.hibernate.metamodel.source.MetaAttributeContext; import org.hibernate.metamodel.source.MetaAttributeContext;
/** /**
@ -154,10 +155,10 @@ IdentifierGenerator createIdentifierGenerator(
params.setProperty( PersistentIdentifierGenerator.TABLE, tableName ); params.setProperty( PersistentIdentifierGenerator.TABLE, tableName );
//pass the column name (a generated id almost always has a single column) //pass the column name (a generated id almost always has a single column)
if ( getValuesSpan() != 1 ) { if ( getSimpleValueSpan() > 1 ) {
throw new MappingException( "A SimpleAttributeBinding has a more than 1 Value: " + getAttribute().getName() ); throw new MappingException( "A SimpleAttributeBinding used for an identifier has a more than 1 Value: " + getAttribute().getName() );
} }
SimpleValue simpleValue = getValues().iterator().next(); SimpleValue simpleValue = (SimpleValue) getValue();
if ( ! Column.class.isInstance( simpleValue ) ) { if ( ! Column.class.isInstance( simpleValue ) ) {
throw new MappingException( throw new MappingException(
"Cannot create an IdentifierGenerator because the value is not a column: " + "Cannot create an IdentifierGenerator because the value is not a column: " +

56
hibernate-core/src/main/java/org/hibernate/persister/entity/AbstractEntityPersister.java
View File

@ -969,30 +969,38 @@ public AbstractEntityPersister(
// TODO: fix this when EntityBinding.getSubclassAttributeBindingClosure() is working // TODO: fix this when EntityBinding.getSubclassAttributeBindingClosure() is working
// for ( AttributeBinding prop : entityBinding.getSubclassAttributeBindingClosure() ) { // for ( AttributeBinding prop : entityBinding.getSubclassAttributeBindingClosure() ) {
for ( AttributeBinding prop : entityBinding.getAttributeBindingClosure() ) { for ( AttributeBinding attributeBinding : entityBinding.getAttributeBindingClosure() ) {
if ( prop == entityBinding.getEntityIdentifier().getValueBinding() ) { if ( attributeBinding == entityBinding.getEntityIdentifier().getValueBinding() ) {
// entity identifier is not considered a "normal" property // entity identifier is not considered a "normal" property
continue; continue;
} }
names.add( prop.getAttribute().getName() ); if ( ! attributeBinding.getAttribute().isSingular() ) {
classes.add( prop.getEntityBinding().getEntity().getName() ); // collections handled separately
boolean isDefinedBySubclass = ! thisClassProperties.contains( prop ); continue;
definedBySubclass.add( isDefinedBySubclass ); }
propNullables.add( prop.isNullable() || isDefinedBySubclass ); //TODO: is this completely correct?
types.add( prop.getHibernateTypeDescriptor().getResolvedTypeMapping() );
String[] cols = new String[ prop.getValuesSpan() ]; final SingularAttributeBinding singularAttributeBinding = (SingularAttributeBinding) attributeBinding;
String[] readers = new String[ prop.getValuesSpan() ];
String[] readerTemplates = new String[ prop.getValuesSpan() ]; names.add( singularAttributeBinding.getAttribute().getName() );
String[] forms = new String[ prop.getValuesSpan() ]; classes.add( singularAttributeBinding.getEntityBinding().getEntity().getName() );
int[] colnos = new int[ prop.getValuesSpan() ]; boolean isDefinedBySubclass = ! thisClassProperties.contains( singularAttributeBinding );
int[] formnos = new int[ prop.getValuesSpan() ]; definedBySubclass.add( isDefinedBySubclass );
propNullables.add( singularAttributeBinding.isNullable() || isDefinedBySubclass ); //TODO: is this completely correct?
types.add( singularAttributeBinding.getHibernateTypeDescriptor().getResolvedTypeMapping() );
final int span = singularAttributeBinding.getSimpleValueSpan();
String[] cols = new String[ span ];
String[] readers = new String[ span ];
String[] readerTemplates = new String[ span ];
String[] forms = new String[ span ];
int[] colnos = new int[ span ];
int[] formnos = new int[ span ];
int l = 0; int l = 0;
Boolean lazy = prop.isLazy() && lazyAvailable; Boolean lazy = singularAttributeBinding.isLazy() && lazyAvailable;
for ( SimpleValue thing : prop.getValues() ) { for ( SimpleValueBinding valueBinding : singularAttributeBinding.getSimpleValueBindings() ) {
if ( DerivedValue.class.isInstance( thing ) ) { if ( valueBinding.isDerived() ) {
DerivedValue derivedValue = DerivedValue.class.cast( thing ); DerivedValue derivedValue = DerivedValue.class.cast( valueBinding.getSimpleValue() );
String template = getTemplateFromString( derivedValue.getExpression(), factory ); String template = getTemplateFromString( derivedValue.getExpression(), factory );
formnos[l] = formulaTemplates.size(); formnos[l] = formulaTemplates.size();
colnos[l] = -1; colnos[l] = -1;
@ -1002,17 +1010,17 @@ public AbstractEntityPersister(
formulaAliases.add( derivedValue.getAlias( factory.getDialect() ) ); formulaAliases.add( derivedValue.getAlias( factory.getDialect() ) );
formulasLazy.add( lazy ); formulasLazy.add( lazy );
} }
else if ( org.hibernate.metamodel.relational.Column.class.isInstance( thing )) { else {
org.hibernate.metamodel.relational.Column col = org.hibernate.metamodel.relational.Column.class.cast( thing ); org.hibernate.metamodel.relational.Column col = org.hibernate.metamodel.relational.Column.class.cast( valueBinding.getSimpleValue() );
String colName = col.getColumnName().encloseInQuotesIfQuoted( factory.getDialect() ); String colName = col.getColumnName().encloseInQuotesIfQuoted( factory.getDialect() );
colnos[l] = columns.size(); //before add :-) colnos[l] = columns.size(); //before add :-)
formnos[l] = -1; formnos[l] = -1;
columns.add( colName ); columns.add( colName );
cols[l] = colName; cols[l] = colName;
aliases.add( thing.getAlias( factory.getDialect() ) ); aliases.add( col.getAlias( factory.getDialect() ) );
columnsLazy.add( lazy ); columnsLazy.add( lazy );
// TODO: properties only selectable if they are non-plural??? // TODO: properties only selectable if they are non-plural???
columnSelectables.add( prop.isSimpleValue() ); columnSelectables.add( singularAttributeBinding.getAttribute().isSingular() );
readers[l] = readers[l] =
col.getReadFragment() == null ? col.getReadFragment() == null ?
@ -1032,10 +1040,10 @@ else if ( org.hibernate.metamodel.relational.Column.class.isInstance( thing )) {
propFormulaNumbers.add( formnos ); propFormulaNumbers.add( formnos );
// TODO: fix this when HHH-6357 is fixed; for now, assume FetchMode.DEFAULT // TODO: fix this when HHH-6357 is fixed; for now, assume FetchMode.DEFAULT
//joinedFetchesList.add( prop.getValue().getFetchMode() ); //joinedFetchesList.add( singularAttributeBinding.getValue().getFetchMode() );
joinedFetchesList.add( FetchMode.DEFAULT ); joinedFetchesList.add( FetchMode.DEFAULT );
// TODO: fix this when HHH-6355 is fixed; for now assume CascadeStyle.NONE // TODO: fix this when HHH-6355 is fixed; for now assume CascadeStyle.NONE
//cascades.add( prop.getCascadeStyle() ); //cascades.add( singularAttributeBinding.getCascadeStyle() );
cascades.add( CascadeStyle.NONE ); cascades.add( CascadeStyle.NONE );
} }