ObjectDB Database Search

101-150 of 200 results

Using the wrong class to access a database

(); for ( int i = 0; i = 100) { em.remove(p); // delete entity } else { p.setX(p.getX() + 100); // update ... javax.persistence.Entity; @Entity public class Point { // Persistent Fields: private int x; private int y; // Constructor: Point ( int x, int y) { this.x = x; this.y = y; } // Accessor Methods: public int

Duplicate Entity class names causes Exception in Query

int version; @Basic protected java.lang.Integer lastInstance; public void generateItems(EntityManager em, int howMany) { if (lastInstance == null) { lastInstance = 0; } int endCnt = lastInstance + howMany; int startCnt = lastInstance; while (endCnt startCnt) { startCnt++; Item item = new Item

Database size is much larger than expected (x2)

I store images into objectdb. The schema is : ::=( , , , , ) ::=String ::=char ::= int ::=byte ... ; EntityManager em = emf.createEntityManager();         for ( int i = 0; i by ... .InheritanceType; public class URIReader { public static int read( int iNumber){   int i = 0;   int

multiple LEFT JOINs do not work as expected

;   private static Node persistTree(EntityManager em, Node parent, int depth) {    ... ;      int depth;            ... ;             Node(Node parent, int depth

EntityTransaction.commit() does not release a pessimistic lock

private int no; private int balance; public Account( int n) { no = n; balance = 1000; } public int getNo() { return no; } public int getBalance() { return balance; } public void credit( int a) { balance

problem using macbook with M1 chip?

; iconst_1     2  ldc [1]     4  invokespecial com.objectdb.o.HTB( int ... [] d( int arg0);     0  iload_1 [arg0]     1  anewarray com.objectdb.o ... () : int [18]      8  ldc [19]     10  iand     11 

Efficient query on EmbeddedId

Hi! I have an entity class with an @EmbeddedId (field1 int and field2 int ). Based on the manual, I ... on an @Entity field? Example: int carId or @ManyToOne  Car car (which has an int id) (I know ... difference. An index on an int value is a bit more efficient. This is because a reference type is larger

Find the error...JPA ENTITY HIBERNATE

") @GeneratedValue(strategy = GenerationType.IDENTITY) private int id; @Column(name = "username") private ... (Set messages) {   this.messages = messages; } public int getId() {   return id; } public void setId( int id) {   this.id = id; } public String getUsername() {   return username

find() cost unreasonable time!

) private int id; @ManyToOne @JoinColumn(name="parent") protected Nodes parent; @OneToMany(mappedBy ... getSons0() {   System.out.printf("===========%n");   int iSum = 0;   for ( int i=0;i 0 ... /timecost); } private static void getSons0() {   System.out.printf("===========%n");   int iSum = 0;   for ( int i=0;i

Problem with entities detection

_nacimiento") @Temporal(TemporalType.DATE) private Date fecha_nacimiento; private int [] telefonos ... { /** * */ private static final long serialVersionUID = 1L; String ciudad; String calle; int numero; int codigo_postal; public Direccion() { } public Direccion(String ciudad, String calle, int numero, int

Error using query with MAX() function

= "mySchema") public class TestEntity { @Id private int id; @Basic @Lob private String remark; @Basic @Temporal(value = TemporalType.TIMESTAMP) private Date changeDate; public int getId() { return id; } public void setId( int id) { this.id = id; } public String getRemark() { return remark; } public

Cascading makeTransient

{ private int fieldInt; private String fieldString; private HashMap fieldMap; private ArrayList ... ( int fieldInt){   this.fieldInt = fieldInt;   this.fieldString = ""+fieldInt;   ... ); } public int getFieldInt() {   return fieldInt; } public void setFieldInt( int fieldInt) {  

persisting object with long[][] arrays of array

script - which takes about 50sec to complete on my mac. private static long[][] random2( int n){   ... .createEntityManager();         int n = 100_000;      ... ; } } and the test code took less than 1sec to complete: private static long[] random2( int n){   

Join performance in Objectdb

; int entityCount = 160000;               ... ;   em.getTransaction().begin();         for ( int i = 0; i ... ; EntityManager em = emf.createEntityManager();         int entityCount

Database(*.odb) file size on disk

; public final class createAndDelete { static int idCounter = 1; public static void main(String[] args ... .setFlushMode(FlushModeType.AUTO);   int objects = 1000;   int loops = 3;   for ( int iteration = 0; iteration

Query on Embedded Primary Key?

; public int hashCode() {         int hash = 5;         hash = 79 * hash + ( int ) (this.field1 ^ (this.field1 32));         hash = 79 * hash + ( int ) (this.field2 ^ (this.field2 32));    

em.flush(); em.clear(); loosing data and not persisting managed objects

") public class TestEntity {     @Id     private int id;    ... ; public int getId()     {     return id;     }     public void setId( int id)     {     this.id = id;   

Question about modification

;             int valor = menu.nextInt();         ... ;       int numeroObjetosModificados = consulta.executeUpdate();       ... ;                     int numeroObjetosModificados

Null returned by Persistence.createEntityManagerFactory

; @Entity public class Task implements Serializable { @Id @GeneratedValue int id; // int id = 0; private ... cmTicket = ""; private int leadTimeDays = 0; private String type = "System-Generated"; public Task(String ... = approvalGroup; } public int getId(){ return id; } }   The problem comes up when I attempt

Multiple inputs not supported on WHERE ?

; default int updateUserEnabled(Boolean enabled , Integer sicilNo, Cache loginCache) {     ... ;   int updateUserEnabledInternal = updateUserEnabledInternal(enabled, sicilNo);       ... ; return updateUserEnabledInternal;     }       int updateUserEnabledInternal

500Mb ObjectDb database opening issue

;          +---com.objectdb.o.CFG.an( int )   ... .*; public class T1792 { public static void main(String[] args) { String path = "temp.odb"; for ( int i = 0

Field not persisted in abstract class with two level of nesting

    public int hashCode() {         int hash = 7 ... ;  @Override     public int hashCode() {         int hash = 7;         return hash;     } } I

Multi-thread access to single EM's entities

;    private int value;           public PointlessEntity( int value) {             ... ;      synchronized public int getValue() {      

Weird behaviour with enhanced classes and embedded entities

; int     id;     @OneToMany(cascade = CascadeType.ALL, fetch = FetchType ... ; = new ArrayList (0);     public MyEntity( int id) {       ... ("Done");   }     private static void addEntities( int id){     MyEntity entity

Bug: ClassCastException by retrieval

class Node { @Id     @GeneratedValue(strategy=GenerationType.IDENTITY) int id ... .toCharArray();   int iLen = ca.length;   Character[] la = new Character[iLen];   for ( int ii = 0; ii

EntityManager refresh problem

; private String fieldA;     private int fieldB;     public String ... = fieldA;     }     public int getFieldB() {         return fieldB;     }     public void setFieldB( int

Queries are slow on a large database

implements Message, LogItem, Comparable { private int Id; private int logTestRunId; private int logEntryId

Does aggregate function "greatest" work on entity objects?

final long serialVersionUID = 1L; @Override public int compareTo(Object t) { //Logger.getLogger("------------").log(Level.INFO, this.toString() + " compareTo " + t.toString() + " result = " + int result = (( int )(this.getCreateDate().getTime() - ((ChatHistoryItem)t).getCreateDate().getTime

Bulk Delete and Update - best practice?

public static class CacheData { @GeneratedValue @Id long id; @Index int hash; String data; public long getId() { return id; } public int getHash() { return hash; } public void setHash( int value) { hash

how to persist an object twice into two diff. collections of two diff. classes

selectedSquads = new ArrayList (); if (tableSquads.getSelectedRows().length 0) { int [] rows ... (Competition.class, actualCompetition.getId()); for ( int i : rows) { int modelRow = tableSquads

Recursive calls with @PreUpdate annotation and Glassfish OutOfMemoryError

.invoke(Object, Object...) line: 597 ECI.invoke(Object) line: 95 EDS.i( int , Object) line: 241 PMImpl(EMImpl).fire( int , Object, UTY) line: 1083 PMImpl(EMImpl).bd(Object, UTY) line: 1036 PMImpl.bd(Object, UTY) line: 2572 ENT.Z() line: 1177 ENT.Y(UMR, boolean) line: 1041 ENT.beforeModifyMember( int

Unexpected exception (error 990)

entrada = new Scanner(System.in); protected int id; protected String matricula; protected String fmat; @Embedded private Persona piloto; public Integer getId() { return id; } public void setId( int id ... \\VehiculoPersona.odb"); EntityManager em; em = emf.createEntityManager(); for ( int i = 0; i

Is there a function of "drop table" or "delete from table"?

");     sequence.allocate(( int )-sequence.currentValue()); Assuming you use JPA ... bit int value since the allocate methods receives an int value. "$auto" is the name of the automatic

Null enums and IS (NOT) NULL: NullPointerException

.SEQUENCE, generator = "asd") private int id; @Enumerated(EnumType.STRING) private ExampleEnum exampleEnum; public int getId() { return id; } public void setId( int id) { this.id = id; } public ExampleEnum

Unable to persist fields in subclass

extends SimpleAbstractPersonTest { /** * */ @Id @GeneratedValue private long id; private int ... = new SimpleObjectProperty (); //eg: (1959, Month.DECEMBER, 12); public SimplePatientTest( int mrn ... .PROPERTY) public int getMedicalRecordNumber() { return medicalRecordNumber; } @Access(AccessType

How to avoid NULL values on Embedded entities

int numero;     @Basic(optional=false) private String ciudad;     ... String pais;     @Basic(optional=false) private int cp; }   And how to make

Performance and memory usage of queries

.Persistence; import javax.persistence.Query; public class MemoryUsageOfQuerys { static int steps = 500000 ... ;  .createEntityManagerFactory("objectdb:$objectdb/db/test.tmp;drop");   EntityManager em;   for ( int i = 0; i

What algorithm in find()

I test the time cost for find(), obtain a linear complexity with the following codes:   int iBlock = 0x10000;   for ( int i = 1; i

Problem with @UniqueConstraint

[] args) { int r = ( int )( Math . random () * 1000000 ); String PATH = "c:\\temp\\test_" + r + ".odb

Does ObjectDB support lazy loading?

; } @Entity static class B { @Id @GeneratedValue public Long id; int value; B( int value

NoSuchFieldError: __odbTracker on NetBeans 7.3 + JBoss 7.1.1

; } @Override public int hashCode() { int hash = 0; hash += (id != null ? id.hashCode() : 0); return

NPE at com.objectdb.jpa.JpaQuery.getResultList

(true, -1, -1); } public List findMomentPayloadEntities( int maxResults, int firstResult) { return ... (boolean all, int maxResults, int firstResult) { EntityManager em = getEntityManager(); try ... ;        int maxResults, int firstResult) {     

Inverse OneToMany Mapping and EmbeddedId

( strategy = IDENTITY )          public int id ;       ... ;        public int id ;          @OneToMany ... ; public int id ;          @ManyToOne ( )       

[ObjectDB 2.2.5_02] Unexpected exception (Error 990) com.objectdb.o.InternalException: java.lang.NullPointerException: null

() { return findChartEntities(true, -1, -1); }   public List findChartEntities( int maxResults, int ... findChartEntities(boolean all, int maxResults, int firstResult) { EntityManager em = getEntityManager(); try

javax.servlet.ServletException: Annotated methods must follow the JavaBeans naming convention. __odbHidden_getPropertyName

Where getWidthPxSideBarLeft() is an annotated getter of an entity ViewConfiguration: private int ... ; public int getWidthPxSideBarLeft() {         return widthPxSideBarLeft;     }     public void setWidthPxSideBarLeft( int widthPxSideBarLeft

ObjectDB can't be activated

;  }     private static void print(Enumeration e, int indent) throws ... static String indent( int indent) {         String str = "";         for ( int i = 0; i

Tracking changes to new collections (in enhancement mode) after flush

;   public int getCount() {             return ... ModelElementImpl { private static int uidCounter = 1; @Id private String uid = "" + uidCounter++; public ... (Object obj) { return uid.equals(((ModelElementImpl)obj).getUid()); } @Override public int hashCode

ArrayIndexOutOfBoundsException with enhanced Entity

() then we get an ArrayIndexOutOfBoundsException within here: MMM.J( int ) line: 602 ENT.beforeModifyEmbedded( int ) line: 1007 EMT.beforeModifyMember( int ) line: 90 TestEntity.__odbSet_myEmbed(TestEntity, TestEmbed) line: 1 (out of synch) TestEntity

Merge throw exception "Attempt to reuse an existing primary key value"

;  final int Id = 0;         em.getTransaction().begin();   ... ;  @Id         private int Id;         public MyEntity( int id) {           

NullPointerException in __odbGetNumMember

wrong: Mitglied(GalaxyJPAEntityQublet).__odbGetNumMember( int ) line: 1 UMR.I(Object) line: 765 UMR.H ... ENH.a(ENT, TYW) line: 46 STA.T(EVC, TYW) line: 512 STM.E(EVC, TYW, boolean, int ) line: 425 PMImpl(OBM