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jakarta.persistence.criteria.AbstractQuery.distinct(boolean)

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.AbstractQuery AbstractQuery distinct (    boolean distinct ) Specify whether duplicate query results are eliminated. A true ... - boolean value specifying whether duplicate results must be eliminated from the query result or

jakarta.persistence.criteria.Subquery.distinct(boolean)

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.Subquery Subquery distinct (    boolean distinct ) Specify whether duplicate query results are eliminated. A true value ... type of the corresponding AbstractQuery method. Parameters: distinct - boolean value specifying

jakarta.persistence.criteria.CriteriaQuery.distinct(boolean)

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.CriteriaQuery CriteriaQuery distinct (    boolean distinct ) Specify whether duplicate query results are eliminated. A true ... the return type of the corresponding AbstractQuery method. Parameters: distinct - boolean value

jakarta.persistence.SchemaManager.create(boolean)

Jakarta Persistence (JPA) Method in jakarta.persistence.SchemaManager void create (    boolean createSchemas ) Create database objects mapped by entities belonging to the persistence unit. If a DDL operation fails, the behavior is undefined. A provider may throw an exception, or

jakarta.persistence.SchemaManager.drop(boolean)

Jakarta Persistence (JPA) Method in jakarta.persistence.SchemaManager void drop (    boolean dropSchemas ) Drop database objects mapped by entities belonging to the persistence unit, undoing the effects of the previous creation . If a DDL operation fails, the behavior is undefined

How to convert a boolean to an int in the query?

How to convert a boolean to an int in the query? I have five parameters of type boolean in ... ._PersistenceException: Invalid operand type boolean for operator + Please tell me how to do this? Thanks ... them. You can calculate it in a JPA lifecycle event . Currently you cannot convert boolean to int in

PersistenceManager.getObjectsById(Collection,boolean) throwing JDOException

I have a call to getObjectsById(Collection, boolean ) that is throwing a JDOException the first time I'm attempting to retrieve an object. If I try again, then the second request succeeds. Any idea why this might occur? We're using ObjectDB 2.2.4_02. The collection being passed in is a HashSet

Logical Operators in JPQL and Criteria API

Logical operators in JPQL and JPA criteria queries combine simple Boolean expressions to form ... for NOT . Criteria query logical operators Boolean expressions and predicates In criteria queries, Boolean expressions are represented by the Expression interface and its descendants. For example

Literals in JPQL and Criteria Queries

, including NULL , boolean literals ( TRUE and FALSE ), numeric literals (for example, 100 ), string ... explained on the Comparison Operators page. Boolean literalsLiterals Similar to Java and SQL, JPQL supports two boolean literals: TRUE and FALSE . Because JPQL is case-insensitive, TRUE is equivalent

ObjectDB Object Database Features

(for persistent fields) Primitive types ( boolean , byte, short, char, int, long, float, double). Wrapper types ( Boolean , Byte, Short, Character, Integer, Long, Float, Double). java.lang.String Date types ... Types Primitives ( boolean , byte, short, char, int, long, float and double). Wrappers ( Boolean , Byte

Comparison in JPQL and Criteria API

rather than object identity. boolean and Boolean values: Can be compared using the equality operators ( = , , == , != ). For Boolean instances, the comparison follows the logic of the equals () method. Enum

JPA Criteria Query Expressions

interface for expressions ├─ Predicate # Boolean expression (WHERE/HAVING) │ └─ CriteriaBuilder.In # IN ... ;to allow using expression as query results. A boolean expression used to define restrictions in

JPA Persistable Types

data types are persistable: Primitive types: boolean , byte , short , char , int , long , float and double . Equivalent wrapper classes from package java.lang: Boolean , Byte , Short , Character

Retrieving JPA Entities

= Persistence . getPersistenceUtil (); boolean isObjectLoaded = util. isLoaded (employee); boolean

WHERE clause (JPQL / Criteria API)

to the SELECT clause to be collected as query results, the WHERE clause acts as a filter. The boolean ... ) and functions (numeric, string, and collection). The WHERE predicate is always a boolean JPQL expression

Database Schema Evolution

values (the default). From any type to Boolean or boolean . ( 0 , null , and false are converted

JPA Metamodel API

attribute: boolean hasSingleId = entityType. hasSingleIdAttribute (); // Gets a single ID attribute ... ); // Checks if the type has a version attribute: boolean hasVersion = entityType. hasVersionAttribute

Paths and Types in JPQL and Criteria API

numbers, booleans , strings, and dates. Values of simple types are more useful in queries ... to collections, maps, or values of simple types (such as numbers, booleans , strings, and dates). For a path

ObjectDB enhancement fails on "is" form for @Transient boolean isLoaded(), ok for "getter" form @Transient boolean getLoaded()

Element I encounter ObjectDB enhancement errors: private boolean loaded = false; @Transient @Override public boolean isLoaded() { return loaded; } @Override public void setLoaded( boolean loaded ... . ... But it is ok using the 'get' getter form: private boolean loaded = false; @Transient @Override public

Index Definition

of one of the following persistable types: Primitive types: boolean , byte , short , char , int

JPA Shared (L2) Entity Cache

(); The Cache object lets you check if a specified entity is cached: boolean isCached = cache

Managing JPA Entities

if a specified entity is in the persistence context: boolean isManaged = em. contains (employee); To clear

JPA Primary Key

field can have one of the following types: Primitive types: boolean , byte , short , char , int

jakarta.persistence.metamodel.SingularAttribute

. Since: Jakarta Persistence (JPA) 1.0 boolean isAssociation () Is the attribute an association. Inherited from Attribute Returns: boolean indicating whether the attribute corresponds to an association. Since: Jakarta Persistence (JPA) 1.0 boolean isCollection () Is the attribute collection-valued

jakarta.persistence.criteria.Subquery

query Returns: subquery join. Since: Jakarta Persistence (JPA) 1.0 Subquery distinct ( boolean ... AbstractQuery method. Overrides AbstractQuery.distinct Parameters: distinct - boolean value ... . Overrides AbstractQuery.having Parameters: restriction - a simple or compound boolean expression Returns

jakarta.persistence.criteria.Predicate

. Modifications to the list do not affect the query. Returns: list of boolean expressions forming ... Persistence (JPA) 1.0 BooleanOperator getOperator () Return the boolean operator for the predicate. If the predicate is simple, this is AND . Returns: boolean operator for the predicate. Since: Jakarta

jakarta.persistence.criteria.CriteriaBuilder.In

. Modifications to the list do not affect the query. Inherited from Predicate Returns: list of boolean ... element. Since: Jakarta Persistence (JPA) 1.0 BooleanOperator getOperator () Return the boolean ... : boolean operator for the predicate. Since: Jakarta Persistence (JPA) 1.0 Predicate in ( Object

jakarta.persistence.criteria.AbstractQuery

Public Instance Methods AbstractQuery distinct ( boolean distinct ) Specify whether duplicate query ... . Parameters: distinct - boolean value specifying whether duplicate results must be eliminated from ... . Parameters: restriction - a simple or compound boolean expression Returns: the modified query. Since: Jakarta

jakarta.persistence.criteria.CriteriaQuery

CriteriaQuery . Public Instance Methods CriteriaQuery distinct ( boolean distinct ) Specify whether duplicate ... AbstractQuery.distinct Parameters: distinct - boolean value specifying whether duplicate results ... AbstractQuery method. Overrides AbstractQuery.having Parameters: restriction - a simple or compound boolean

boolean field flips after schema update (in class) of another field

We have added a boolean field to a class with default value false. After deployment on several instances the values of other boolean fields in the same class (next to the new one) flip or ... application = null ; @Embeddable public static class Application { private boolean instruction = false

jakarta.persistence.criteria.CriteriaBuilder

of the given boolean expressions. Parameters: x - boolean expression y - boolean expression Returns ... Predicate or ( Expression x , Expression y ) Create a disjunction of the given boolean expressions. Parameters: x - boolean expression y - boolean expression Returns: or predicate. Since: Jakarta

jakarta.persistence.EntityManager

: IllegalStateException - if the entity manager is container-managed. Since: Jakarta Persistence (JPA) 1.0 boolean ... to the current persistence context. Parameters: entity - entity instance Returns: boolean value indicating ... : IllegalStateException - if invoked on a JTA entity manager. Since: Jakarta Persistence (JPA) 1.0 boolean

jakarta.persistence.criteria.PluralJoin

. Since: Jakarta Persistence (JPA) 1.0 boolean isCompoundSelection () Whether the selection item is a compound selection. Inherited from Selection Returns: boolean indicating whether the selection is a compound selection. Since: Jakarta Persistence (JPA) 1.0 boolean isCorrelated () Whether the From

jakarta.persistence.criteria.MapJoin

against Returns: predicate testing for membership. Since: Jakarta Persistence (JPA) 1.0 boolean ... : boolean indicating whether the selection is a compound selection. Since: Jakarta Persistence (JPA) 1.0 boolean isCorrelated () Whether the From object has been obtained as a result of correlation (use

jakarta.persistence.criteria.SetJoin

against Returns: predicate testing for membership. Since: Jakarta Persistence (JPA) 1.0 boolean ... : boolean indicating whether the selection is a compound selection. Since: Jakarta Persistence (JPA) 1.0 boolean isCorrelated () Whether the From object has been obtained as a result of correlation

jakarta.persistence.criteria.CollectionJoin

. Since: Jakarta Persistence (JPA) 1.0 boolean isCompoundSelection () Whether the selection item is a compound selection. Inherited from Selection Returns: boolean indicating whether the selection is a compound selection. Since: Jakarta Persistence (JPA) 1.0 boolean isCorrelated () Whether the From object

jakarta.persistence.criteria.ListJoin

denoting the index. Since: Jakarta Persistence (JPA) 1.0 boolean isCompoundSelection () Whether the selection item is a compound selection. Inherited from Selection Returns: boolean indicating whether the selection is a compound selection. Since: Jakarta Persistence (JPA) 1.0 boolean isCorrelated

jakarta.persistence.criteria.Join

Persistence (JPA) 1.0 boolean isCompoundSelection () Whether the selection item is a compound selection. Inherited from Selection Returns: boolean indicating whether the selection is a compound selection. Since: Jakarta Persistence (JPA) 1.0 boolean isCorrelated () Whether the From object has been obtained

jakarta.persistence.StoredProcedureQuery

Since: Jakarta Persistence (JPA) 2.1 Public Instance Methods boolean execute () Return true if the first ... back. Since: Jakarta Persistence (JPA) 1.0 boolean hasMoreResults () Return true if the next result ... value set and only the statement is rolled back. Since: Jakarta Persistence (JPA) 1.0 boolean isBound

jakarta.persistence.PersistenceUnitUtil

is found not to be an entity. Since: Jakarta Persistence (JPA) 3.2 boolean isInstance ( Object entity ... . Since: Jakarta Persistence (JPA) 3.2 boolean isLoaded ( Object entity , String attributeName ) Determine ... Persistence (JPA) 1.0 boolean isLoaded ( E entity , Attribute attribute ) Determine the load state of a given

jakarta.persistence.JoinColumn

of the referenced table. Default: "" Since: Jakarta Persistence (JPA) 1.0 boolean unique (Optional ... key. Default: false Since: Jakarta Persistence (JPA) 1.0 boolean nullable (Optional) Whether the foreign key column is nullable. Default: true Since: Jakarta Persistence (JPA) 1.0 boolean insertable

jakarta.persistence.MapKeyColumn

relationship field or property; " _ "; " KEY ". Default: "" Since: Jakarta Persistence (JPA) 1.0 boolean ... boolean nullable (Optional) Whether the database column is nullable. Default: false Since: Jakarta Persistence (JPA) 1.0 boolean insertable (Optional) Whether the column is included in SQL INSERT

jakarta.persistence.MapKeyJoinColumn

the primary key column of the referenced table. Default: "" Since: Jakarta Persistence (JPA) 1.0 boolean ... . Default: false Since: Jakarta Persistence (JPA) 1.0 boolean nullable (Optional) Whether the foreign key column is nullable. Default: false Since: Jakarta Persistence (JPA) 1.0 boolean insertable

jakarta.persistence.EntityTransaction

fails. Since: Jakarta Persistence (JPA) 1.0 boolean getRollbackOnly () Determine whether the current resource transaction has been marked for rollback. Returns: boolean indicating ... (JPA) 3.2 boolean isActive () Indicate whether a resource transaction is in progress. Returns: boolean

jakarta.persistence.metamodel.Attribute

Persistence (JPA) 1.0 boolean isAssociation () Is the attribute an association. Returns: boolean ... boolean isCollection () Is the attribute collection-valued (represents a Collection , Set , List , or Map ). Returns: boolean indicating whether the attribute is collection-valued. Since: Jakarta Persistence (JPA) 1.0

jakarta.persistence.criteria.Root

testing for membership. Since: Jakarta Persistence (JPA) 1.0 boolean isCompoundSelection () Whether the selection item is a compound selection. Inherited from Selection Returns: boolean indicating whether the selection is a compound selection. Since: Jakarta Persistence (JPA) 1.0 boolean isCorrelated

jakarta.persistence.metamodel.IdentifiableType

Persistence (JPA) 1.0 boolean hasSingleIdAttribute () Whether the identifiable type has a single id ... : boolean indicating whether the identifiable type has a single id attribute. Since: Jakarta Persistence (JPA) 1.0 boolean hasVersionAttribute () Whether the identifiable type has a version attribute. Returns

jakarta.persistence.metamodel.EntityType

the identifiable type. Since: Jakarta Persistence (JPA) 1.0 boolean hasSingleIdAttribute ... false for an idclass. Inherited from IdentifiableType Returns: boolean indicating whether the identifiable type has a single id attribute. Since: Jakarta Persistence (JPA) 1.0 boolean

jakarta.persistence.metamodel.ListAttribute

. Since: Jakarta Persistence (JPA) 1.0 boolean isAssociation () Is the attribute an association. Inherited from Attribute Returns: boolean indicating whether the attribute corresponds to an association. Since: Jakarta Persistence (JPA) 1.0 boolean isCollection () Is the attribute collection-valued (represents

jakarta.persistence.metamodel.CollectionAttribute

: persistent attribute type. Since: Jakarta Persistence (JPA) 1.0 boolean isAssociation () Is the attribute an association. Inherited from Attribute Returns: boolean indicating whether the attribute corresponds to an association. Since: Jakarta Persistence (JPA) 1.0 boolean isCollection () Is the attribute