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too). @Entity public class Product implements Serializable { @Id @GeneratedValue private long id ... Category implements Serializable { @Id private long id; public Category(int id) { this.id = id ... implements Serializable { @Id //@GeneratedValue private long id; @ManyToMany(cascade=CascadeType.PERSIST

listPatientsByIDsWithBasicData(String ids) { Long st = new Date().getTime(); System.out.println ... ); System.out.println("cs size = " + cs.size()); Long ed = new Date().getTime(); System.out.println ... = GenerationType.AUTO) private Long id; private static final long serialVersionUID = 1L; @Index @OneToOne

programs demonstrate well that automatic  long primary keys are indeed much more efficient ... be filled to the maximum with new objects. Long values consume less  space than String UID and are processed faster. support Support Thank you for the clarification. The example with long keys needs

;  @Id private long id;        @OneToMany(mappedBy="document")     private ArrayList readings = new ArrayList ();        public long ... ;   @Id private long id;     private Document document = null;   

is (simple bean): public class FileNameDTO { private Long id; private String fileName; public FileNameDTO( Long id, String fileName) { this.id = id; this.fileName = fileName; } public Long getId() { return id; } public void setId( Long id) { this.id = id; } public String getFileName() { return fileName

;          @Id @GeneratedValue private long id;   ... ;          public long getId() {     ... ;    public void setId( long id) {          

class UsrlistEntity implements Serializable { private static final long serialVersionUID = -4472890635861972890L; private int id; private int dyId; private long pwd; private String usrName; private ... surname; private String job; private String phoneNumber; private Long contactHash; private String

;   em.getTransaction().begin();         Long r = ( Long ... ; em.getTransaction().begin();         r = ( Long ) q ... roundDownDateTime(Date dateTime) {         long dateTimeMs = dateTime.getTime

.AUTO) private long id; @ManyToOne(optional=false) private ETown town; public ETown getTown ... implements Serializable { private static final long serialVersionUID = 1L; @Id @GeneratedValue private Long ... public class Message implements Serializable { private static final long serialVersionUID = 1L; @Id

{ @Entity public static class ParentEntity {   @Id   @GeneratedValue   private long id ... (), child);   }   public long getId() {    return id;   }   public void setId( long id) {    this.id = id;   } } @Entity public static class ChildEntity {  

;   Long r = ( Long ) q.getSingleResult();           ... ) {         long dateTimeMs = dateTime.getTime();         long reminderMs  = dateTimeMs % 1000;      

Calendar may be supported in the future - but as long as it is not portable JPA - it should be avoided ... have replaced the Calendar fields with " long " data types which represent the millisecond value of the Date ... TimePeriod implements Serializable { private long beginTime; private long endTime; private String

; private static final long serialVersionUID = 998L;     @Id @GeneratedValue long id;     @Index private Long instrumentId;     private SafeLong tStamp; The SafeLong class is a very simple wrapper of a long -  @Embeddable public class SafeLong

do have a UUID String as their id instead of Long which is of course causing a lot of troubles. Note that this even occurrs on the same "Table" -- some saved Entitities of same type do still have a Long ID, others a String UUID. Our Base-Entity everything inherits from is declared as usual with Long

********* @Entity @IdClass(CompositePK.class) public class A {     @Id private long uid ... ;private long uid;     private String zone; } ********* Solution 2 ... {     private long uid;     private String zone; } In

TestIdHolder implements Serializable{     private static final long serialVersionUID = 1L;     private long version;     private long longId;   ... ="TestIdTableGen")     public long getLongId() {      

", valueColumnName = "idValue", pkColumnValue = "objectValueId", allocationSize = 1)   protected Long id;   private String type;   private Long revision;   protected boolean ... ; String type,       Long revision,       Project project

+ numberToGen; int startCnt = lastInstanceInMap; long timing = System.currentTimeMillis(); while (endCnt ... "); q.setParameter("container", this); q.setFlushMode(FlushModeType.AUTO); try { long l = ( Long ) q ... implements Serializable { private static final long serialVersionUID = 0L; private String cachedKey; private

) public abstract class SimpleAbstractPersonTest { private long addressID; private long contactID ... lastNameProperty() { return lastName; } public final long getAddressID() { return addressID; } public final void setAddressID( long id) { if (id 0) addressID = id; } public final long getContactID

Serializable {     private static final long serialVersionUID = 1L;     private long inspID;     private String inspName;     private long productID;     private String productName;     

to see that they have been added long newTotal = -1;   try {    InitialContext ... ; .lookup("SLSBObjDb");    long oldAmount = bean.countItems();    bean.addItems ... ;  lastInstance = startCnt;   } } public long howManyItemsExist(EntityManager em) {  

{   @Id   @GeneratedValue   private long id;   @OneToMany(fetch = FetchType.LAZY ... (this);    children.put(child.getChildName(), child);   }   public long getId() {    return id;   }   public void setId( long id) {    this.id = id

.IDENTITY) private Long id; @Unique @Persistent(nullValue=NullValue.EXCEPTION) private String username; public Long getId() { return id; } public void setId( Long id) { this.id = id; } public String ... Long id;         @Unique       

an aggregate expression applying the sum operation to an Integer-valued expression, returning a Long ... same expression object. Parameters: number - numeric expression Return: Expression< Long >

_ID") public Long getId() { return id; } Example 2: @Id @GeneratedValue(strategy=TABLE, generator="CUST_GEN") @Column(name="CUST_ID") Long id; See Also: Id TableGenerator SequenceGenerator Since: JPA 1

, Integer , short , Short , long , Long , java.sql.Timestamp . Example: @Version @Column(name="OPTLOCK

{ ... } @Entity public class Employee { @Id long id; @Convert(converter=BooleanToIntegerConverter.class ... Employee { @Id long id; ... // EmployeeDateConverter is applied automatically EmployeeDate startDate

primary key @Entity public class Employee { @Id long empId; String name; ... } // dependent entity uses EmbeddedId for composite key @Embeddable public class DependentId { String name; long empid

.PESSIMISTIC_WRITE , and LockModeType.PESSIMISTIC_FORCE_INCREMENT are used to immediately obtain long

="MOVIE", referencedColumnName="ID") Map videoInventory; ... } @Entity public class Movie { @Id long

. Example: @Entity public class CreditCard { @Id long ccNumber; @OneToMany // unidirectional @OrderColumn

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

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

: @Id public Long getId() { return id; } See Also: Column GeneratedValue Since: JPA 1.0 The JPA

(strategy= GenerationType.TABLE) protected Long id; @Override public Long getId() { return id; } @Override public void setId( Long id) { this.id = id; } @OneToMany(cascade={CascadeType.MERGE ... { @Id @Column(name = "project_id") @GeneratedValue(strategy= GenerationType.TABLE) protected Long id

TimePeriod implements Serializable { private long beginTime; private long endTime; private String periodType; public long getBeginTime() { return beginTime; } public void setBeginTime( long beginTime) { this.beginTime = beginTime; } public long getEndTime() { return endTime; } public void setEndTime( long

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

JDO Method in javax.jdo.datastore.Sequence long nextValue () Returns the next sequence value as a long . If the next sequence value is not available or is not numeric, throw JDODataStoreException. Return: the next value Since: JDO 2.0

JDO Method in javax.jdo.datastore.Sequence long currentValue () Returns the current sequence value as a long . If the current sequence value is not available or is not numeric, throw JDODataStoreException. Return: the current value Since: JDO 2.0

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

JDO Constructor in javax.jdo.identity.LongIdentity LongIdentity (   Class pcClass,     long  key ) Constructor with class and key. Parameters: pcClass - the class key - the key Since: JDO 1.0

JDO Constructor in javax.jdo.identity.LongIdentity LongIdentity (   Class pcClass,     Long  key ) Constructor with class and key. Parameters: pcClass - the class key - the key Since: JDO 1.0

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

JDO Method in javax.jdo.spi.StateManager long replacingLongField (   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

JDO Method in javax.jdo.identity.LongIdentity long getKey () Return the key. Return: the key Since: JDO 1.0

JDO Method in javax.jdo.Query void setRange (   String fromInclToExcl ) Set the range of results to return. The parameter is a String containing a comma-separated fromIncl and toExcl. The fromIncl and toExcl can be either String representations of long values, or can be parameters

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

JDO Method in javax.jdo.Query long deletePersistentAll () Deletes all the instances of the candidate class that pass the filter. Returns the number of instances of the candidate class that were deleted, specifically not including the number of dependent and embedded instances. Dirty instances

JDO Method in javax.jdo.Query long deletePersistentAll (   Map parameters ) Deletes all the instances of the candidate class that pass the filter. Parameters: parameters - for the query Return: the number of instances of the candidate class that were deleted See Also: deletePersistentAll () Since: JDO 2.0

JDO Method in javax.jdo.Query long deletePersistentAll (   Object... parameters ) Deletes all the instances of the candidate class that pass the filter. Parameters: parameters - for the query Return: the number of instances of the candidate class that were deleted See Also: deletePersistentAll () Since: JDO 2.0