Package io.jmix.core

Class FluentLoader.ByQuery<E>

java.lang.Object
io.jmix.core.FluentLoader.ByQuery<E>
Enclosing class:
FluentLoader<E>
public static class FluentLoader.ByQuery<E> extends Object

  • Constructor Details

    • ByQuery

      protected ByQuery(FluentLoader<E> loader, String queryString, org.springframework.context.ApplicationContext applicationContext)

    • ByQuery

      protected ByQuery(FluentLoader<E> loader, String queryString, Object[] positionalParams, org.springframework.context.ApplicationContext applicationContext)

  • Method Details

    • list

      public List<E> list()
      Loads a list of entities.

    • optional

      public Optional<E> optional()
      Loads a single instance and wraps it in Optional.

    • one

      public E one()
      Loads a single instance.
      Throws:
      IllegalStateException - if nothing was loaded

    • fetchPlan

      public FluentLoader.ByQuery<E> fetchPlan(@Nullable FetchPlan fetchPlan)
      Sets a fetch plan.

    • fetchPlan

      public FluentLoader.ByQuery<E> fetchPlan(@Nullable String fetchPlanName)
      Sets a fetchPlan by name.

    • fetchPlan

      public FluentLoader.ByQuery<E> fetchPlan(Consumer<FetchPlanBuilder> fetchPlanBuilderConfigurer)
      Configure the fetch plan.

    • fetchPlanProperties

      public FluentLoader.ByQuery<E> fetchPlanProperties(String... properties)
      Sets a fetch plan containing the given properties. A property can be designated by a path in the entity graph. For example: 
           dataManager.load(Pet.class)
         .query("...")
         .fetchPlanProperties(
                 "name",
                 "owner.name",
                 "owner.address.city")
         .list();

    • hint

      public FluentLoader.ByQuery<E> hint(String hintName, Serializable value)
      Adds custom hint that should be used by the query.

    • hints

      public FluentLoader.ByQuery<E> hints(Map<String,Serializable> hints)
      Adds custom hints that should be used by the query.

    • condition

      public FluentLoader.ByCondition<E> condition(Condition condition)
      Sets additional query condition.

    • parameter

      public FluentLoader.ByQuery<E> parameter(String name, Object value)
      Sets value for a query parameter.
      Parameters:
      name - parameter name
      value - parameter value

    • parameter

      public FluentLoader.ByQuery<E> parameter(String name, Date value, javax.persistence.TemporalType temporalType)
      Sets value for a parameter of java.util.Date type.
      Parameters:
      name - parameter name
      value - parameter value
      temporalType - how to interpret the value

    • parameters

      public FluentLoader.ByQuery<E> parameters(Map<String,Object> parameters)
      Adds the given parameters to the map of query parameters.

    • firstResult

      public FluentLoader.ByQuery<E> firstResult(int firstResult)
      Sets results offset.

    • maxResults

      public FluentLoader.ByQuery<E> maxResults(int maxResults)
      Sets results limit.

    • sort

      public FluentLoader.ByQuery<E> sort(Sort sort)
      Sets sorting, for example sort(Sort.by("name"))

    • cacheable

      public FluentLoader.ByQuery<E> cacheable(boolean cacheable)
      Indicates that the query results should be cached. By default, queries are not cached.

    • accessConstraints

      public FluentLoader.ByQuery<E> accessConstraints(Collection<AccessConstraint<?>> accessConstraints)
      Adds access constraints.

    • accessConstraints

      public FluentLoader.ByQuery<E> accessConstraints(Class<? extends AccessConstraint> accessConstraintsClass)
      Adds registered access constraints that are subclasses of the given class.

    • joinTransaction

      public FluentLoader.ByQuery<E> joinTransaction(boolean join)
      Indicates that the operation must be performed in an existing transaction if it exists. True by default.