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Cannot sort descending, when ordering by caluculated float in a method

. public class InvoiceItem{     private float price;     private float amount;     .. } public class Invoice{     private List invoiceItemList;     ..     public Float getPrice

ObjectDB Object Database Features

System Types (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 ... . Primary Key Data Types Primitives (boolean, byte, short, char, int, long, float and double). Wrappers

JPA Persistable Types

, int , long , float and double . Equivalent wrapper classes from package java.lang: Boolean , Byte , Short , Character , Integer , Long , Float and Double . java.math.BigInteger , java.math.BigDecimal

Index Definition

: Primitive types: boolean , byte , short , char , int , long , float , double. Equivalent wrapper classes from package java.lang: Byte , Short , Character , Integer , Long , Float , Double. java.math

Database Schema Evolution

, float , double , Byte , Short , Character , Integer , Long , Float , Double , BigInteger , BigDecimal

Comparison in JPQL and Criteria API

, including primitive types ( byte , short , char , int , long , float , double ), wrapper types ( Byte , Short , Character , Integer , Long , Float , Double ),  BigInteger and BigDecimal can be compared

JPA Primary Key

, char , int , long , float , double . Equivalent wrapper classes from package java.lang: Byte , Short , Character , Integer , Long , Float , Double. java.math.BigInteger , java.math.BigDecimal. java

Numbers in JPQL and Criteria Queries

demonstrate only integer expressions, but all the numeric types ( byte , short , int , long , float

Literals in JPQL and Criteria Queries

: 100L, -127L, 0L, 07777L float : 3.14F, 0f, 1e2f, -2.f, 5.04e+17f double : 3.14, 0d, 1e2D, -2., 5.04e

Pre-detach loading: retrieval by navigation not working in if statement

' which is a "deep" Float value wrapper FloatQuantity entity. This is @OneToOne with explicit LAZY fetch. - A FloatQuantity entity wraps a simple Float property 'value'. - (Also, the getL_LightingZone ... : @Transient public Float getNLA_m2_LightingZone() { Float sum = 0f; if (getL_LightingZone() != null

[ODB1] Chapter 7 - JDOQL Queries

, 0, 0xFFFF, 07777 , ... long 2003L, -127L, 0L, 0xFFFFL, 07777L , ... float 3.14F, 0f, 1e2f, -2.f, 5 ... all six comparison operators. Numeric wrapper types ( Byte , Short , Character , Integer , Long , Float ... numeric types ( byte , short , char , int , long , float , double ). Logical Operators Logical

[ODB1] Chapter 3 - Persistent Classes

, int , long , float and double . Selected classes in package java.lang : Boolean , Byte , Short , Character , Integer , Long , Float , Double , Number and String . Selected classes in package java ... is valid in Java (for example from int to float and from float to int ) the old value is converted

javax.persistence.AttributeOverride

{ // address field mapping overridden to ADDR protected Float wage(); public Float getHourlyWage() { ... } public void setHourlyWage( Float wage) { ... } } Example 2: @Embeddable public class Address

javax.persistence.MappedSuperclass

_EMP.ADDR_ID fk @Column(name="WAGE") protected Float hourlyWage; public PartTimeEmployee() {} public Float getHourlyWage() { ... } public void setHourlyWage( Float wage

javax.persistence.criteria.CriteriaBuilder

sumAsDouble ( Expression  x) Create an aggregate expression applying the sum operation to a Float ... expression Return: Expression< Float > Since: JPA 2.0 Expression toInteger ( Expression  number

[ODB1] Chapter 4 - JDO Metadata

: embedded value types: primitive type ( boolean , byte , short , char , int , long , float or double ) embedded wrapper ( Boolean , Byte , Short , Character , Integer , Long , Float or Double ) embedded

CriteriaBuilder.toFloat(number) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Expression toFloat (    Expression  number ) Typecast. Returns same expression object. Parameters: number - numeric expression Return: Expression< Float > Since: JPA 2.0

CriteriaBuilder.sumAsDouble(x) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Expression sumAsDouble (    Expression  x ) Create an aggregate expression applying the sum operation to a Float -valued expression, returning a Double result. Parameters: x - expression representing input value to sum operation Return: sum expression Since: JPA 2.0

find() cost unreasonable time!

();   System.out.printf("Total: %d, Level:%d %n", iNum, iLevel);   float timecost

Composite indexes

(kitchen, bedroom etc.) Date lastModificationDate; // date of last modification Float rating; //users

problem using macbook with M1 chip?

, float ) [2]     7  return       Line numbers:        

Explorer bug ? Objects seem to be missing from database in Class view, but are present as references

](TEST: A readonly deep float quantity) INFO: RequestBean []: Persisted: com.greensoft.entity.value.FloatQuantity [61](TEST: A readonly deep float quantity) INFO: RequestBean []: Updated: com.greensoft.entity.value.FloatQuantity [61](TEST: A readonly deep float quantity) INFO: RequestBean []: Created

Once served to JSF page via @EJB query bean, many list fields are null (but same query ok after fresh persist in @PostConstruct)

][project=TEST: project 1][id=46][name=deep float quantity (length)], [class=IntegerQuantity ... : element.ownedElement([class=FloatQuantity][project=TEST: project 1][id=46][name=deep float quantity

javax.jdo.spi.StateManager

: the new value for the field Since: JDO 1.0 float getFloatField (PersistenceCapable pc, int field,  float  currentValue) Return the value for the field. Parameters: pc ... ;int field,  float  currentValue) The value of the field requested to be provided

Enhanced classes problem

several long, int, float and boolean values. Both CacheableJobAccountingInfo and CacheableJobStat extends

javax.jdo.spi.PersistenceCapable

(int id, String name, and Float salary) would have the method generated: void ... name, and Float salary) would have the method generated: void jdoCopyKeyFieldsToObjectId

StateManager.setFloatField(pc,field,currentValue,newValue) - JDO Method

JDO Method in javax.jdo.spi.StateManager void setFloatField (   PersistenceCapable pc,    int field,     float  currentValue,     float  newValue ) Mark the field as modified by the user. Parameters: pc - the calling

StateManager.getFloatField(pc,field,currentValue) - JDO Method

JDO Method in javax.jdo.spi.StateManager float getFloatField (   PersistenceCapable pc,    int field,     float  currentValue ) Return the value for the field. Parameters: pc - the calling PersistenceCapable instance field - the field number

javax.jdo.spi.JDOImplHelper

, String name , and Float salary ) would have the method generated: void jdoCopyKeyFieldsFromObjectId ... that has three key fields ( int id , String name , and Float salary ) would have the method generated

JDOImplHelper.copyKeyFieldsFromObjectId(pcClass,fm,oid) - JDO Method

, and Float salary ) would have the method generated: void jdoCopyKeyFieldsFromObjectId

JDOImplHelper.copyKeyFieldsToObjectId(pcClass,fm,oid) - JDO Method

, and Float salary ) would have the method generated: void jdoCopyKeyFieldsToObjectId (Object oid

StateManager.replacingFloatField(pc,field) - JDO Method

JDO Method in javax.jdo.spi.StateManager float replacingFloatField (   PersistenceCapable pc,    int field ) The replacement value of the field in the calling instance. Parameters: pc - the calling PersistenceCapable instance field - the field number Return: the new value for the field Since: JDO 1.0

StateManager.providedFloatField(pc,field,currentValue) - JDO Method

JDO Method in javax.jdo.spi.StateManager void providedFloatField (   PersistenceCapable pc,    int field,     float  currentValue ) The value of the field requested to be provided to the StateManager . Parameters: pc - the calling

javax.jdo.annotations.Column.scale

JDO Annotation Attribute in javax.jdo.annotations.Column int scale default -1 Scale for the column when handling floating point values. Since: JDO 2.1

javax.jdo.annotations.Column

default -1 Scale for the column when handling floating point values. Since: JDO 2.1 String sqlType

Query.setResultClass(cls) - JDO Method

, Integer, Long, Float , Double, String, or Object[]; or one of the java.math classes BigInteger or

javax.jdo.Query

may be specified to be one of the java.lang classes Character, Boolean, Byte, Short, Integer, Long, Float

PersistenceCapable.jdoCopyKeyFieldsToObjectId(fm,oid) - JDO Method

, an ObjectId class that has three key fields (int id, String name, and Float salary

PersistenceCapable.jdoCopyKeyFieldsFromObjectId(fm,oid) - JDO Method

, an ObjectId class that has three key fields (int id, String name, and Float salary