Java Code Examples for org.hibernate.mapping.Component#getPropertyIterator()

@SuppressWarnings("unchecked")
String propertyName(Iterator<org.hibernate.mapping.Property> it, org.hibernate.mapping.Property identifierProperty,
        String colName) {
    if (identifierProperty != null && propertyMatches(identifierProperty, colName)) {
        return identifierProperty.getName();
    }
    while (it.hasNext()) {
        org.hibernate.mapping.Property property = it.next();
        if (propertyMatches(property, colName)) {
            if (property.isComposite()) {
                Component comp = (Component) property.getValue();
                Iterator<org.hibernate.mapping.Property> compIt = comp.getPropertyIterator();
                return propertyName(compIt, null, colName);
            } else {
                return property.getName();
            }
        }
    }
    return null;
}
 

protected AbstractComponentTuplizer(Component component) {
	setComponentClass( component );
	propertySpan = component.getPropertySpan();
	getters = new Getter[propertySpan];
	setters = new Setter[propertySpan];

	Iterator iter = component.getPropertyIterator();
	boolean foundCustomAccessor=false;
	int i = 0;
	while ( iter.hasNext() ) {
		Property prop = ( Property ) iter.next();
		getters[i] = buildGetter( component, prop );
		setters[i] = buildSetter( component, prop );
		if ( !prop.isBasicPropertyAccessor() ) {
			foundCustomAccessor = true;
		}
		i++;
	}
	hasCustomAccessors = foundCustomAccessor;
	instantiator = buildInstantiator( component );
}
 

public ComponentMetamodel(Component component) {
//		this.sessionFactory = sessionFactory;
		this.role = component.getRoleName();
		this.isKey = component.isKey();
		propertySpan = component.getPropertySpan();
		properties = new StandardProperty[propertySpan];
		Iterator itr = component.getPropertyIterator();
		int i = 0;
		while ( itr.hasNext() ) {
			Property property = ( Property ) itr.next();
			properties[i] = PropertyFactory.buildStandardProperty( property, false );
			propertyIndexes.put( property.getName(), new Integer( i ) );
			i++;
		}

		tuplizerMapping = new ComponentEntityModeToTuplizerMapping( component );
	}
 

private void internalInitSubclassPropertyAliasesMap(String path, Iterator propertyIterator) {
	while ( propertyIterator.hasNext() ) {

		Property prop = (Property) propertyIterator.next();
		String propname = path == null ? prop.getName() : path + "." + prop.getName();
		if ( prop.isComposite() ) {
			Component component = (Component) prop.getValue();
			Iterator compProps = component.getPropertyIterator();
			internalInitSubclassPropertyAliasesMap( propname, compProps );
		}
		else {
			String[] aliases = new String[prop.getColumnSpan()];
			String[] cols = new String[prop.getColumnSpan()];
			Iterator colIter = prop.getColumnIterator();
			int l = 0;
			while ( colIter.hasNext() ) {
				Selectable thing = (Selectable) colIter.next();
				aliases[l] = thing.getAlias( getFactory().getDialect(), prop.getValue().getTable() );
				cols[l] = thing.getText( getFactory().getDialect() ); // TODO: skip formulas?
				l++;
			}

			subclassPropertyAliases.put( propname, aliases );
			subclassPropertyColumnNames.put( propname, cols );
		}
	}

}
 

private static void interpretPartialCompositeValueGeneration(
		SessionFactoryImplementor sessionFactory,
		Component composite,
		CompositeGenerationStrategyPairBuilder builder) {
	Iterator subProperties = composite.getPropertyIterator();
	while ( subProperties.hasNext() ) {
		final Property subProperty = (Property) subProperties.next();
		builder.addPair( buildGenerationStrategyPair( sessionFactory, subProperty ) );
	}
}
 

private ComponentMetamodel(Component component, ComponentTuplizerFactory componentTuplizerFactory){
	this.role = component.getRoleName();
	this.isKey = component.isKey();
	propertySpan = component.getPropertySpan();
	properties = new StandardProperty[propertySpan];
	Iterator itr = component.getPropertyIterator();
	int i = 0;
	while ( itr.hasNext() ) {
		Property property = ( Property ) itr.next();
		properties[i] = PropertyFactory.buildStandardProperty( property, false );
		propertyIndexes.put( property.getName(), i );
		i++;
	}

	entityMode = component.hasPojoRepresentation() ? EntityMode.POJO : EntityMode.MAP;

	// todo : move this to SF per HHH-3517; also see HHH-1907 and ComponentMetamodel
	final String tuplizerClassName = component.getTuplizerImplClassName( entityMode );
	this.componentTuplizer = tuplizerClassName == null ? componentTuplizerFactory.constructDefaultTuplizer(
			entityMode,
			component
	) : componentTuplizerFactory.constructTuplizer( tuplizerClassName, component );

	final ConfigurationService cs = component.getMetadata().getMetadataBuildingOptions().getServiceRegistry()
			.getService(ConfigurationService.class);

	this.createEmptyCompositesEnabled = ConfigurationHelper.getBoolean(
			Environment.CREATE_EMPTY_COMPOSITES_ENABLED,
			cs.getSettings(),
			false
	);
}
 

private void internalInitSubclassPropertyAliasesMap(String path, Iterator propertyIterator) {
	while ( propertyIterator.hasNext() ) {

		Property prop = ( Property ) propertyIterator.next();
		String propname = path == null ? prop.getName() : path + "." + prop.getName();
		if ( prop.isComposite() ) {
			Component component = ( Component ) prop.getValue();
			Iterator compProps = component.getPropertyIterator();
			internalInitSubclassPropertyAliasesMap( propname, compProps );
		}
		else {
			String[] aliases = new String[prop.getColumnSpan()];
			String[] cols = new String[prop.getColumnSpan()];
			Iterator colIter = prop.getColumnIterator();
			int l = 0;
			while ( colIter.hasNext() ) {
				Selectable thing = ( Selectable ) colIter.next();
				aliases[l] = thing.getAlias( getFactory().getDialect(), prop.getValue().getTable() );
				cols[l] = thing.getText( getFactory().getDialect() ); // TODO: skip formulas?
				l++;
			}

			subclassPropertyAliases.put( propname, aliases );
			subclassPropertyColumnNames.put( propname, cols );
		}
	}

}
 

private boolean hasPartialInsertComponentGeneration(Component component) {
	Iterator subProperties = component.getPropertyIterator();
	while ( subProperties.hasNext() ) {
		Property prop = ( Property ) subProperties.next();
		if ( prop.getGeneration() == PropertyGeneration.ALWAYS || prop.getGeneration() == PropertyGeneration.INSERT ) {
			return true;
		}
		else if ( prop.getValue() instanceof Component ) {
			if ( hasPartialInsertComponentGeneration( ( Component ) prop.getValue() ) ) {
				return true;
			}
		}
	}
	return false;
}
 

private boolean hasPartialUpdateComponentGeneration(Component component) {
	Iterator subProperties = component.getPropertyIterator();
	while ( subProperties.hasNext() ) {
		Property prop = ( Property ) subProperties.next();
		if ( prop.getGeneration() == PropertyGeneration.ALWAYS ) {
			return true;
		}
		else if ( prop.getValue() instanceof Component ) {
			if ( hasPartialUpdateComponentGeneration( ( Component ) prop.getValue() ) ) {
				return true;
			}
		}
	}
	return false;
}
 

protected AbstractComponentTuplizer(Component component) {
	propertySpan = component.getPropertySpan();
	getters = new Getter[propertySpan];
	setters = new Setter[propertySpan];

	Iterator iter = component.getPropertyIterator();
	boolean foundCustomAccessor=false;
	int i = 0;
	while ( iter.hasNext() ) {
		Property prop = ( Property ) iter.next();
		getters[i] = buildGetter( component, prop );
		setters[i] = buildSetter( component, prop );
		if ( !prop.isBasicPropertyAccessor() ) {
			foundCustomAccessor = true;
		}
		i++;
	}
	hasCustomAccessors = foundCustomAccessor;

	String[] getterNames = new String[propertySpan];
	String[] setterNames = new String[propertySpan];
	Class[] propTypes = new Class[propertySpan];
	for ( int j = 0; j < propertySpan; j++ ) {
		getterNames[j] = getters[j].getMethodName();
		setterNames[j] = setters[j].getMethodName();
		propTypes[j] = getters[j].getReturnType();
	}
	instantiator = buildInstantiator( component );
}
 

@SuppressWarnings("unchecked")
private <Y> Type<Y> getMetaModelType(ValueContext typeContext) {
	switch ( typeContext.getValueClassification() ) {
		case BASIC: {
			return new BasicTypeImpl<Y>(
					typeContext.getBindableType(),
					Type.PersistenceType.BASIC
			);
		}
		case ENTITY: {
			final org.hibernate.type.EntityType type = (EntityType) typeContext.getValue().getType();
			return (Type<Y>) context.locateEntityType( type.getAssociatedEntityName() );
		}
		case EMBEDDABLE: {
			final Component component = (Component) typeContext.getValue();
			Class javaType;
			if ( component.getComponentClassName() == null ) {
				javaType = typeContext.getBindableType();
			}
			else {
				javaType = component.getComponentClass();
			}
			final EmbeddableTypeImpl<Y> embeddableType = new EmbeddableTypeImpl<Y>(
					javaType,
					typeContext.getAttributeMetadata().getOwnerType(),
					(ComponentType) typeContext.getValue().getType()
			);
			context.registerEmbeddedableType( embeddableType );
			final Iterator<Property> subProperties = component.getPropertyIterator();
			while ( subProperties.hasNext() ) {
				final Property property = subProperties.next();
				final AttributeImplementor<Y, Object> attribute = buildAttribute( embeddableType, property );
				if ( attribute != null ) {
					embeddableType.getBuilder().addAttribute( attribute );
				}
			}
			embeddableType.lock();
			return embeddableType;
		}
		default: {
			throw new AssertionFailure( "Unknown type : " + typeContext.getValueClassification() );
		}
	}
}
 

public GenerationStrategyPair buildPair() {
	if ( hadInMemoryGeneration && hadInDatabaseGeneration ) {
		throw new ValueGenerationStrategyException(
				"Composite attribute [" + mappingProperty.getName() + "] contained both in-memory"
						+ " and in-database value generation"
		);
	}
	else if ( hadInMemoryGeneration ) {
		throw new NotYetImplementedException( "Still need to wire in composite in-memory value generation" );

	}
	else if ( hadInDatabaseGeneration ) {
		final Component composite = (Component) mappingProperty.getValue();

		// we need the numbers to match up so we can properly handle 'referenced sql column values'
		if ( inDatabaseStrategies.size() != composite.getPropertySpan() ) {
			throw new ValueGenerationStrategyException(
					"Internal error : mismatch between number of collected in-db generation strategies" +
							" and number of attributes for composite attribute : " + mappingProperty.getName()
			);
		}

		// the base-line values for the aggregated InDatabaseValueGenerationStrategy we will build here.
		GenerationTiming timing = GenerationTiming.INSERT;
		boolean referenceColumns = false;
		String[] columnValues = new String[ composite.getColumnSpan() ];

		// start building the aggregate values
		int propertyIndex = -1;
		int columnIndex = 0;
		Iterator subProperties = composite.getPropertyIterator();
		while ( subProperties.hasNext() ) {
			propertyIndex++;
			final Property subProperty = (Property) subProperties.next();
			final InDatabaseValueGenerationStrategy subStrategy = inDatabaseStrategies.get( propertyIndex );

			if ( subStrategy.getGenerationTiming() == GenerationTiming.ALWAYS ) {
				// override the base-line to the more often "ALWAYS"...
				timing = GenerationTiming.ALWAYS;

			}
			if ( subStrategy.referenceColumnsInSql() ) {
				// override base-line value
				referenceColumns = true;
			}
			if ( subStrategy.getReferencedColumnValues() != null ) {
				if ( subStrategy.getReferencedColumnValues().length != subProperty.getColumnSpan() ) {
					throw new ValueGenerationStrategyException(
							"Internal error : mismatch between number of collected 'referenced column values'" +
									" and number of columns for composite attribute : " + mappingProperty.getName() +
									'.' + subProperty.getName()
					);
				}
				System.arraycopy(
						subStrategy.getReferencedColumnValues(),
						0,
						columnValues,
						columnIndex,
						subProperty.getColumnSpan()
				);
			}
		}

		// then use the aggregated values to build the InDatabaseValueGenerationStrategy
		return new GenerationStrategyPair(
				new InDatabaseValueGenerationStrategyImpl( timing, referenceColumns, columnValues )
		);
	}
	else {
		return NO_GEN_PAIR;
	}
}