About wrapper

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JDO Doc
9

javax.jdo.Query

and instances of wrapper classes are valid. Equality and ordering comparisons of Date fields and Date ... the candidate class. Valid field types are primitive types except boolean; wrapper types except Boolean ... class (treating wrapper classes as equivalent to their unwrapped primitive types) or by matching
JDO Doc
6

setResultClass(cls)

class (treating wrapper classes as equivalent to their unwrapped primitive types) or by matching ... of the result expression and is of the type (treating wrapper types equivalent to primitive types
Forum
5

objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check") vs. generic classes with interfaces: detailed investigation

for "deep" value wrappers with signatures like: @Entity abstract public class Value extends ... this has consequences for at least one issue (see below). The above "deep" value wrapper classes ... of the EnumValue compared with the other generic value wrapper examples, as it exhibits a problem
Result
4

Exception(cause)

that are little more than wrappers for other throwables (for example, java.security.PrivilegedActionException
Result
4

java.lang.Exception

for exceptions that are little more than wrappers for other throwables (for example, java.security
Result
4

java.lang.Throwable

and detail message of cause). This constructor is useful for throwables that are little more than wrappers
JDO Doc
4

javax.jdo.spi.JDOImplHelper

the wrapper class of the primitive field type; the parameter is passed to the single field identity
JDO Doc
4

javax.jdo.spi.PersistenceCapable

specified: Number or Character: the parameter must be the single field type or the wrapper class
JPA Doc
4

javax.persistence.Basic

javax.persistence Annotation Basic Target: Fields (including property get methods) The simplest type of mapping to a database column. The Basic annotation can be applied to a persistent property or instance variable of any of the following types: Java primitive types, wrappers of the primitive
JPA Doc
4

javax.persistence.Id

javax.persistence Annotation Id Target: Fields (including property get methods) Specifies the primary key of an entity. The field or property to which the Id annotation is applied should be one of the following types: any Java primitive type; any primitive wrapper type; String; java.util.Date; java