Package org.activiti.cloud.services.query.rest.specification

Class SpecificationSupport<T,R extends CloudRuntimeEntityFilterRequest>

java.lang.Object

org.activiti.cloud.services.query.rest.specification.SpecificationSupport<T,R>

All Implemented Interfaces:

Serializable, org.springframework.data.jpa.domain.Specification<T>

Direct Known Subclasses:

ProcessInstanceSpecification, TaskSpecification

public abstract class SpecificationSupport<T,R extends CloudRuntimeEntityFilterRequest>
extends Object
implements org.springframework.data.jpa.domain.Specification<T>

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected List<VariableValueFilterCondition>	filterConditions
protected final Map<VariableType,Class<?>>	javaTypeMapping
protected List<jakarta.persistence.criteria.Predicate>	predicates
protected final R	searchRequest

Fields inherited from interface org.springframework.data.jpa.domain.Specification

serialVersionUID

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	SpecificationSupport(R searchRequest)

Method Summary

Modifier and Type	Method	Description
protected void	addLikeFilters(Collection<jakarta.persistence.criteria.Predicate> predicates, Set<String> valuesToFilter, jakarta.persistence.criteria.Root<T> root, jakarta.persistence.criteria.CriteriaBuilder criteriaBuilder, jakarta.persistence.metamodel.SingularAttribute<T,String> attribute)
protected void	applyIdFilter(jakarta.persistence.criteria.Root<T> root)
protected void	applyProcessVariableFilters(Supplier<jakarta.persistence.criteria.SetJoin<T,ProcessVariableEntity>> joinSupplier, jakarta.persistence.criteria.CriteriaBuilder criteriaBuilder)
protected void	applySorting(jakarta.persistence.criteria.Root<T> root, Supplier<jakarta.persistence.criteria.SetJoin<T,ProcessVariableEntity>> joinSupplier, jakarta.persistence.criteria.CriteriaQuery<?> query, jakarta.persistence.criteria.CriteriaBuilder criteriaBuilder)
protected abstract jakarta.persistence.metamodel.SingularAttribute<T,?>	getIdAttribute()
protected abstract jakarta.persistence.metamodel.SetAttribute<T,ProcessVariableEntity>	getProcessVariablesAttribute()
protected Supplier<jakarta.persistence.criteria.SetJoin<T,ProcessVariableEntity>>	joinProcessVariables(jakarta.persistence.criteria.Root<T> root)	Using a supplier to actually join process variable only if needed.
protected void	reset()
jakarta.persistence.criteria.Predicate	toPredicate(jakarta.persistence.criteria.Root<T> root, jakarta.persistence.criteria.CriteriaQuery<?> query, jakarta.persistence.criteria.CriteriaBuilder criteriaBuilder)
protected void	validateSort(CloudRuntimeEntitySort sort)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.data.jpa.domain.Specification

and, or

Field Details

searchRequest

protected final R extends CloudRuntimeEntityFilterRequest searchRequest

predicates

protected List<jakarta.persistence.criteria.Predicate> predicates

filterConditions

protected List<VariableValueFilterCondition> filterConditions

javaTypeMapping

protected final Map<VariableType,Class<?>> javaTypeMapping

Constructor Details

SpecificationSupport

protected SpecificationSupport(R searchRequest)

Method Details

getIdAttribute

protected abstract jakarta.persistence.metamodel.SingularAttribute<T,?> getIdAttribute()

reset

protected void reset()

toPredicate

public jakarta.persistence.criteria.Predicate toPredicate(jakarta.persistence.criteria.Root<T> root,
 jakarta.persistence.criteria.CriteriaQuery<?> query,
 jakarta.persistence.criteria.CriteriaBuilder criteriaBuilder)

Specified by:

toPredicate in interface org.springframework.data.jpa.domain.Specification<T>

applyProcessVariableFilters

protected void applyProcessVariableFilters(Supplier<jakarta.persistence.criteria.SetJoin<T,ProcessVariableEntity>> joinSupplier,
 jakarta.persistence.criteria.CriteriaBuilder criteriaBuilder)

applyIdFilter

protected void applyIdFilter(jakarta.persistence.criteria.Root<T> root)

addLikeFilters

protected void addLikeFilters(Collection<jakarta.persistence.criteria.Predicate> predicates,
 Set<String> valuesToFilter,
 jakarta.persistence.criteria.Root<T> root,
 jakarta.persistence.criteria.CriteriaBuilder criteriaBuilder,
 jakarta.persistence.metamodel.SingularAttribute<T,String> attribute)

applySorting

protected void applySorting(jakarta.persistence.criteria.Root<T> root,
 Supplier<jakarta.persistence.criteria.SetJoin<T,ProcessVariableEntity>> joinSupplier,
 jakarta.persistence.criteria.CriteriaQuery<?> query,
 jakarta.persistence.criteria.CriteriaBuilder criteriaBuilder)

validateSort

protected void validateSort(CloudRuntimeEntitySort sort)

joinProcessVariables

protected Supplier<jakarta.persistence.criteria.SetJoin<T,ProcessVariableEntity>> joinProcessVariables(jakarta.persistence.criteria.Root<T> root)

Using a supplier to actually join process variable only if needed. The instance of set join is stored in a field to avoid multiple joins.

Parameters:

root - Specification root

Returns:

Supplier of SetJoin of process variables

getProcessVariablesAttribute

protected abstract jakarta.persistence.metamodel.SetAttribute<T,ProcessVariableEntity> getProcessVariablesAttribute()