com.vaadin.addon.jpacontainer.filter.util
Class FilterConverter

java.lang.Object
  com.vaadin.addon.jpacontainer.filter.util.FilterConverter

public class FilterConverter
extends Object

Converts a Vaadin 6.6 container filter into a JPA criteria predicate.

Since:

2.0

Constructor Summary

FilterConverter()

Method Summary

static <X,Y> javax.persistence.criteria.Predicate	convertFilter(com.vaadin.data.Container.Filter filter, javax.persistence.criteria.CriteriaBuilder criteriaBuilder, javax.persistence.criteria.From<X,Y> root) Convert a single Container.Filter to a criteria Predicate.
static <X,Y> List<javax.persistence.criteria.Predicate>	convertFilters(Collection<com.vaadin.data.Container.Filter> filters, javax.persistence.criteria.CriteriaBuilder criteriaBuilder, javax.persistence.criteria.From<X,Y> root) Converts a collection of Container.Filter into a list of Predicate.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FilterConverter

public FilterConverter()

Method Detail

convertFilter

public static <X,Y> javax.persistence.criteria.Predicate convertFilter(com.vaadin.data.Container.Filter filter,
                                                                       javax.persistence.criteria.CriteriaBuilder criteriaBuilder,
                                                                       javax.persistence.criteria.From<X,Y> root)

Convert a single Container.Filter to a criteria Predicate.

Parameters:

filter - the Container.Filter to convert

criteriaBuilder - the CriteriaBuilder to use when creating the Predicate

root - the CriteriaQuery Root to use for finding fields.

Returns:

a Predicate representing the Container.Filter or null if conversion failed.

convertFilters

public static <X,Y> List<javax.persistence.criteria.Predicate> convertFilters(Collection<com.vaadin.data.Container.Filter> filters,
                                                                              javax.persistence.criteria.CriteriaBuilder criteriaBuilder,
                                                                              javax.persistence.criteria.From<X,Y> root)

Converts a collection of Container.Filter into a list of Predicate.

Parameters:

filters - Collection of Container.Filter

Returns:

List of Predicate