org.hibernate.type.LiteralType Java Examples

@Override
@SuppressWarnings( {"unchecked"})
public String getRenderText(SessionFactoryImplementor sessionFactory) {
	final boolean literalValue = getValue();

	if ( expectedType instanceof AttributeConverterTypeAdapter ) {
		return determineConvertedValue( (AttributeConverterTypeAdapter) expectedType, literalValue );
	}
	else if ( expectedType instanceof LiteralType ) {
		try {
			return ( (LiteralType) expectedType ).objectToSQLString( getValue(), sessionFactory.getDialect() );
		}
		catch( Exception t ) {
			throw new QueryException( "Unable to render boolean literal value using expected LiteralType", t );
		}
	}

	return sessionFactory.getDialect().toBooleanValueString( literalValue );
}
 

private String quoteIdentifier(Object value, Type type) {
	Type resolvedType = ( !type.getReturnedClass().equals( value.getClass() ) ) ?
		typeResolver.heuristicType( value.getClass().getName() ) : type;

	if ( resolvedType instanceof LiteralType ) {
		LiteralType literalType = (LiteralType) resolvedType;
		try {
			return literalType.objectToSQLString( value, dialect );
		}
		catch ( Exception e ) {
			throw new IllegalArgumentException( e );
		}
	}
	return String.valueOf( value );
}
 

private String resolveToLiteralString(Type type) {
	try {
		LiteralType literalType = ( LiteralType ) type;
		Dialect dialect = factory.getDialect();
		return literalType.objectToSQLString( constantValue, dialect );
	}
	catch ( Throwable t ) {
		throw new QueryException( QueryTranslator.ERROR_CANNOT_FORMAT_LITERAL + constantExpression, t );
	}
}
 

public Insert addColumn(String columnName, Object value, LiteralType type) throws Exception {
	return addColumn( columnName, type.objectToSQLString(value, dialect) );
}
 

public Update addColumn(String columnName, Object value, LiteralType type) throws Exception {
	return addColumn( columnName, type.objectToSQLString(value, dialect) );
}
 

@Override
@SuppressWarnings("unchecked")
public String getRenderText(SessionFactoryImplementor sessionFactory) {
	final Type type = expectedType == null
			? heuristicType
			: Number.class.isAssignableFrom( heuristicType.getReturnedClass() )
			? heuristicType
			: expectedType;
	try {
		if ( LiteralType.class.isInstance( type ) ) {
			final LiteralType literalType = (LiteralType) type;
			final Dialect dialect = factory.getDialect();
			return literalType.objectToSQLString( constantValue, dialect );
		}
		else if ( AttributeConverterTypeAdapter.class.isInstance( type ) ) {
			final AttributeConverterTypeAdapter converterType = (AttributeConverterTypeAdapter) type;
			if ( !converterType.getModelType().isInstance( constantValue ) ) {
				throw new QueryException(
						String.format(
								Locale.ENGLISH,
								"Recognized query constant expression [%s] was not resolved to type [%s] expected by defined AttributeConverter [%s]",
								constantExpression,
								constantValue.getClass().getName(),
								converterType.getModelType().getName()
						)
				);
			}
			final Object value = converterType.getAttributeConverter().toRelationalValue( constantValue );
			if ( String.class.equals( converterType.getJdbcType() ) ) {
				return "'" + value + "'";
			}
			else {
				return value.toString();
			}
		}
		else {
			throw new QueryException(
					String.format(
							Locale.ENGLISH,
							"Unrecognized Hibernate Type for handling query constant (%s); expecting LiteralType implementation or AttributeConverter",
							constantExpression
					)
			);
		}
	}
	catch (QueryException e) {
		throw e;
	}
	catch (Exception t) {
		throw new QueryException( QueryTranslator.ERROR_CANNOT_FORMAT_LITERAL + constantExpression, t );
	}
}
 

private void setConstantValue(DotNode node, String text, Object value) {
	if ( LOG.isDebugEnabled() ) {
		LOG.debugf( "setConstantValue() %s -> %s %s", text, value, value.getClass().getName() );
	}
	// Chop off the rest of the tree.
	node.setFirstChild( null );
	if ( value instanceof String ) {
		node.setType( SqlTokenTypes.QUOTED_STRING );
	}
	else if ( value instanceof Character ) {
		node.setType( SqlTokenTypes.QUOTED_STRING );
	}
	else if ( value instanceof Byte ) {
		node.setType( SqlTokenTypes.NUM_INT );
	}
	else if ( value instanceof Short ) {
		node.setType( SqlTokenTypes.NUM_INT );
	}
	else if ( value instanceof Integer ) {
		node.setType( SqlTokenTypes.NUM_INT );
	}
	else if ( value instanceof Long ) {
		node.setType( SqlTokenTypes.NUM_LONG );
	}
	else if ( value instanceof Double ) {
		node.setType( SqlTokenTypes.NUM_DOUBLE );
	}
	else if ( value instanceof Float ) {
		node.setType( SqlTokenTypes.NUM_FLOAT );
	}
	else {
		node.setType( SqlTokenTypes.CONSTANT );
	}
	Type type;
	try {
		type = walker.getSessionFactoryHelper().getFactory().getTypeResolver().heuristicType(
				value.getClass().getName()
		);
	}
	catch (MappingException me) {
		throw new QueryException( me );
	}
	if ( type == null ) {
		throw new QueryException( QueryTranslator.ERROR_CANNOT_DETERMINE_TYPE + node.getText() );
	}
	try {
		LiteralType literalType = (LiteralType) type;
		Dialect dialect = walker.getSessionFactoryHelper().getFactory().getDialect();
		//noinspection unchecked
		node.setText( literalType.objectToSQLString( value, dialect ) );
	}
	catch (Exception e) {
		throw new QueryException( QueryTranslator.ERROR_CANNOT_FORMAT_LITERAL + node.getText(), e );
	}
	node.setDataType( type );
	node.setResolvedConstant( text );
}
 

public Insert addColumn(String columnName, Object value, LiteralType type) throws Exception {
	return addColumn( columnName, type.objectToSQLString(value, dialect) );
}
 

public Update addColumn(String columnName, Object value, LiteralType type) throws Exception {
	return addColumn( columnName, type.objectToSQLString(value, dialect) );
}
 

private void setConstantValue(DotNode node, String text, Object value) {
	if ( log.isDebugEnabled() ) {
		log.debug( "setConstantValue() " + text + " -> " + value + " " + value.getClass().getName() );
	}
	node.setFirstChild( null );	// Chop off the rest of the tree.
	if ( value instanceof String ) {
		node.setType( SqlTokenTypes.QUOTED_STRING );
	}
	else if ( value instanceof Character ) {
		node.setType( SqlTokenTypes.QUOTED_STRING );
	}
	else if ( value instanceof Byte ) {
		node.setType( SqlTokenTypes.NUM_INT );
	}
	else if ( value instanceof Short ) {
		node.setType( SqlTokenTypes.NUM_INT );
	}
	else if ( value instanceof Integer ) {
		node.setType( SqlTokenTypes.NUM_INT );
	}
	else if ( value instanceof Long ) {
		node.setType( SqlTokenTypes.NUM_LONG );
	}
	else if ( value instanceof Double ) {
		node.setType( SqlTokenTypes.NUM_DOUBLE );
	}
	else if ( value instanceof Float ) {
		node.setType( SqlTokenTypes.NUM_FLOAT );
	}
	else {
		node.setType( SqlTokenTypes.CONSTANT );
	}
	Type type;
	try {
		type = TypeFactory.heuristicType( value.getClass().getName() );
	}
	catch ( MappingException me ) {
		throw new QueryException( me );
	}
	if ( type == null ) {
		throw new QueryException( QueryTranslator.ERROR_CANNOT_DETERMINE_TYPE + node.getText() );
	}
	try {
		LiteralType literalType = ( LiteralType ) type;
		Dialect dialect = walker.getSessionFactoryHelper().getFactory().getDialect();
		node.setText( literalType.objectToSQLString( value, dialect ) );
	}
	catch ( Exception e ) {
		throw new QueryException( QueryTranslator.ERROR_CANNOT_FORMAT_LITERAL + node.getText(), e );
	}
	node.setDataType( type );
	node.setResolvedConstant( text );
}
 

private void doToken(String token, QueryTranslatorImpl q) throws QueryException {
	if ( q.isName( StringHelper.root( token ) ) ) { //path expression
		doPathExpression( q.unalias( token ), q );
	}
	else if ( token.startsWith( ParserHelper.HQL_VARIABLE_PREFIX ) ) { //named query parameter
		q.addNamedParameter( token.substring( 1 ) );
		appendToken( q, "?" );
	}
	else {
		Queryable persister = q.getEntityPersisterUsingImports( token );
		if ( persister != null ) { // the name of a class
			final String discrim = persister.getDiscriminatorSQLValue();
			if ( InFragment.NULL.equals(discrim) || InFragment.NOT_NULL.equals(discrim) ) {
				throw new QueryException( "subclass test not allowed for null or not null discriminator" );
			}
			else {
				appendToken( q, discrim );
			}
		}
		else {
			Object constant;
			if (
					token.indexOf( '.' ) > -1 &&
					( constant = ReflectHelper.getConstantValue( token ) ) != null
			) {
				Type type;
				try {
					type = TypeFactory.heuristicType( constant.getClass().getName() );
				}
				catch ( MappingException me ) {
					throw new QueryException( me );
				}
				if ( type == null ) throw new QueryException( QueryTranslator.ERROR_CANNOT_DETERMINE_TYPE + token );
				try {
					appendToken( q, ( ( LiteralType ) type ).objectToSQLString( constant, q.getFactory().getDialect() ) );
				}
				catch ( Exception e ) {
					throw new QueryException( QueryTranslator.ERROR_CANNOT_FORMAT_LITERAL + token, e );
				}
			}
			else { //anything else

				String negatedToken = negated ? ( String ) NEGATIONS.get( token.toLowerCase() ) : null;
				if ( negatedToken != null && ( !betweenSpecialCase || !"or".equals( negatedToken ) ) ) {
					appendToken( q, negatedToken );
				}
				else {
					appendToken( q, token );
				}
			}
		}
	}
}