Java Code Examples for org.springframework.data.mapping.PropertyPath#hasNext()

The following examples show how to use org.springframework.data.mapping.PropertyPath#hasNext() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: QuerydslSQL.java    From spring-boot-practice with Apache License 2.0 6 votes vote down vote up 
private Expression<?> buildOrderPropertyPathFrom(Sort.Order order) {
    Assert.notNull(order, "Order must not be null!");

    PropertyPath path = PropertyPath.from(order.getProperty(), builder.getType());
    Expression<?> sortPropertyExpression = builder;

    while (path != null) {
        if (!path.hasNext() && order.isIgnoreCase()) {
            // if order is ignore-case we have to treat the last path segment as a String.
            sortPropertyExpression = Expressions.stringPath((Path<?>) sortPropertyExpression, path.getSegment()).lower();
        } else {
            sortPropertyExpression = Expressions.path(path.getType(), (Path<?>) sortPropertyExpression, path.getSegment());
        }

        path = path.next();
    }

    return sortPropertyExpression;
}
Example 2
Source File: QuerydslSQL.java    From spring-boot-practice with Apache License 2.0 6 votes vote down vote up 
private Expression<?> buildOrderPropertyPathFrom(Sort.Order order) {
    Assert.notNull(order, "Order must not be null!");

    PropertyPath path = PropertyPath.from(order.getProperty(), builder.getType());
    Expression<?> sortPropertyExpression = builder;

    while (path != null) {
        if (!path.hasNext() && order.isIgnoreCase()) {
            // if order is ignore-case we have to treat the last path segment as a String.
            sortPropertyExpression = Expressions.stringPath((Path<?>) sortPropertyExpression, path.getSegment()).lower();
        } else {
            sortPropertyExpression = Expressions.path(path.getType(), (Path<?>) sortPropertyExpression, path.getSegment());
        }

        path = path.next();
    }

    return sortPropertyExpression;
}
Example 3
Source File: KeyValueQuerydslUtils.java    From spring-data-keyvalue with Apache License 2.0 6 votes vote down vote up 
/**
 * Creates an {@link Expression} for the given {@link Order} property.
 *
 * @param order must not be {@literal null}.
 * @param builder must not be {@literal null}.
 * @return
 */
private static Expression<?> buildOrderPropertyPathFrom(Order order, PathBuilder<?> builder) {

	Assert.notNull(order, "Order must not be null!");
	Assert.notNull(builder, "Builder must not be null!");

	PropertyPath path = PropertyPath.from(order.getProperty(), builder.getType());
	Expression<?> sortPropertyExpression = builder;

	while (path != null) {

		if (!path.hasNext() && order.isIgnoreCase()) {
			// if order is ignore-case we have to treat the last path segment as a String.
			sortPropertyExpression = Expressions.stringPath((Path<?>) sortPropertyExpression, path.getSegment()).lower();
		} else {
			sortPropertyExpression = Expressions.path(path.getType(), (Path<?>) sortPropertyExpression, path.getSegment());
		}

		path = path.next();
	}

	return sortPropertyExpression;
}
Example 4
Source File: JpaSpecificationExecutorWithProjectionImpl.java    From specification-with-projection with MIT License 5 votes vote down vote up 
static <T> Expression<T> toExpressionRecursively(From<?, ?> from, PropertyPath property, boolean isForSelection) {

        Bindable<?> propertyPathModel;
        Bindable<?> model = from.getModel();
        String segment = property.getSegment();

        if (model instanceof ManagedType) {

            /*
             *  Required to keep support for EclipseLink 2.4.x. TODO: Remove once we drop that (probably Dijkstra M1)
             *  See: https://bugs.eclipse.org/bugs/show_bug.cgi?id=413892
             */
            propertyPathModel = (Bindable<?>) ((ManagedType<?>) model).getAttribute(segment);
        } else {
            propertyPathModel = from.get(segment).getModel();
        }

        if (requiresJoin(propertyPathModel, model instanceof PluralAttribute, !property.hasNext(), isForSelection)
                && !isAlreadyFetched(from, segment)) {
            Join<?, ?> join = getOrCreateJoin(from, segment);
            return (Expression<T>) (property.hasNext() ? toExpressionRecursively(join, property.next(), isForSelection)
                    : join);
        } else {
            Path<Object> path = from.get(segment);
            return (Expression<T>) (property.hasNext() ? toExpressionRecursively(path, property.next()) : path);
        }
    }
Example 5
Source File: JpaSpecificationExecutorWithProjectionImpl.java    From specification-with-projection with MIT License 4 votes vote down vote up 
static Expression<Object> toExpressionRecursively(Path<Object> path, PropertyPath property) {

        Path<Object> result = path.get(property.getSegment());
        return property.hasNext() ? toExpressionRecursively(result, property.next()) : result;
    }