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51-100 of 200 resultsGeneral Performance Issues Illustrated with a Specific Method retireComments; // // @Override public int hashCode() { int hash = 0; hash += (id != null ? id.hashCode() : 0 ... boolean ageCalculated = false; @Transient private int ageMonths; @Transient private int ageDays; @Transient private int ageYears; @Transient private String age; @Transient private long ageInDays | |
Trouble bug on explorer @GeneratedValue(strategy=GenerationType.SEQUENCE, generator="seq") private int gid; @Index private int id; private String userName; private String pwd; private String ircim; private String mail; private int access; private int programType; private Date regDate; private Date regEnd; private String jxtaUUID | |
Error 613 - i cant put a list | |
Persist error @ManyToMany how to define correct entities relationships Category implements Serializable { @Id private long id; public Category( int id) { this.id = id ... ) private List categories = new ArrayList(); public Product( int id,Category cat) { this.id = id ... Category( int id) { this.id = id; } public long getId() { return id; } public void setId(long id) { this.id | |
openejb jpa jaas module.getPrincipals(); final int id = info.getId(); final TypedQuery namedQuery = entityManager.createNamedQuery ... (); for (UserPrincipal userPrincipal : resultList) { final int principalId = userPrincipal.getPrincipalId ... ; @GeneratedValue(strategy = GenerationType.SEQUENCE , generator = "gen") @Id private int principalId; public | |
Should derived fields of an EmbeddedId be manually maintained by app code? id = "1"; @SuppressWarnings("unused") // used by JPA @Version private int version; @Basic protected ... { if (lastInstanceInMap == null) { lastInstanceInMap = 0; } int endCnt = lastInstanceInMap + numberToGen; int startCnt = lastInstanceInMap; long timing = System.currentTimeMillis(); while (endCnt | |
Composite Index error 328 = -4472890635861972890L; private int id; private int dyId; private long pwd; private String usrName; private Integer mail; private int access; private short programType; private Date regDate; private Date regEnd; private Date lastLogin; private String lastIp; private int flags; private String name; private String | |
@OneToMany(fetch = FetchType.LAZY) list is always null, generator = "b") private int id; @OneToMany(fetch = FetchType.LAZY, cascade = CascadeType.ALL) private List children; public int getId() { return id; } public void setId( int id) { this.id = id ... @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "b") private int id; @ManyToOne | |
Replicated cluster recovery[], int , int , int ) line: not available [native method] SocketInputStream.read(byte[], int , int ) line: 129 BufferedInputStream.fill() line: 218 BufferedInputStream.read1(byte[], int , int ) line: 258 BufferedInputStream.read(byte[], int , int ) line: 317 CST(NTS).z( int , int ) line: 314 CST(NTS).y() line: 274 | |
EntityManager.find(entityClass, primaryKey) is slow when accessing non-existent IDs process non-existent IDs fastest. * */ public class OdbEmFindById { public static final int EVALUATION ... (XId id) { this.id = id; } public X( int a, int b, int c) { id = new XId(a, b, c); } @Override public String toString() { return "X [id=" + id + "]"; } } @Embeddable public static class XId { public int | |
Conflicting modifiers .... (javax.persistence.Id, javax.persistence.ManyToOne)"; @SuppressWarnings("unused") // used by JPA @Version private int version; @Basic protected java.lang.Integer ... ) { lastInstanceInMap = 0; } int endCnt = lastInstanceInMap + numberToGen; int startCnt = lastInstanceInMap ... getLastMapInstanceKey() { return lastInstanceInMap; } public int getNumberOfMapItems(EntityManager em) { Query q | |
Query.setFirstResult(startPosition) - JPA Method JPA Method in jakarta.persistence.Query Query setFirstResult ( int startPosition ) Set the position of the first result to retrieve. Parameters: startPosition - position of the first result, numbered from 0 Return: the same query instance Throws: IllegalArgumentException - if the argument is negative Since: JPA 1.0 | |
Query.getMaxResults() - JPA Method JPA Method in jakarta.persistence.Query int getMaxResults () The maximum number of results the query object was set to retrieve. Returns Integer if setMaxResults was not applied to the query object. Return: maximum number of results Since: JPA 2.0 | |
Query.setMaxResults(maxResult) - JPA Method JPA Method in jakarta.persistence.Query Query setMaxResults ( int maxResult ) Set the maximum number of results to retrieve. Parameters: maxResult - maximum number of results to retrieve Return: the same query instance Throws: IllegalArgumentException - if the argument is negative Since: JPA 1.0 | |
Query.executeUpdate() - JPA Method JPA Method in jakarta.persistence.Query int executeUpdate () Execute an update or delete statement. Return: the number of entities updated or deleted Throws: IllegalStateException - if called for a Jakarta Persistence query language SELECT statement or for a criteria query | |
AnnotationAttrRef jakarta.persistence.MapKeyColumn.scale JPA Annotation Attribute in jakarta.persistence.MapKeyColumn int scale default 0 (Optional) The scale for a column of SQL type decimal or numeric , or of similar database-native type. Applies only to columns of exact numeric type. The default value 0 indicates that a provider-determined precision should be inferred. Since: JPA 2.0 | |
AnnotationAttrRef jakarta.persistence.MapKeyColumn.precision JPA Annotation Attribute in jakarta.persistence.MapKeyColumn int precision default 0 (Optional) The precision for a column of SQL type decimal or numeric , or of similar database-native type. Applies only to columns of exact numeric type. The default value 0 indicates that a provider-determined precision should be inferred. Since: JPA 2.0 | |
AnnotationAttrRef jakarta.persistence.MapKeyColumn.length JPA Annotation Attribute in jakarta.persistence.MapKeyColumn int length default 255 (Optional) The column length. Applies only to columns whose type is parameterized by length, for example, varchar or varbinary types. Since: JPA 2.0 | |
Query.getFirstResult() - JPA Method JPA Method in jakarta.persistence.Query int getFirstResult () The position of the first result the query object was set to retrieve. Returns 0 if setFirstResult was not applied to the query object. Return: position of the first result Since: JPA 2.0 The Running JPA Queries article explains how to use getFirstResult . | |
StoredProcedureQuery.getUpdateCount() - JPA Method JPA Method in jakarta.persistence.StoredProcedureQuery int getUpdateCount () Return the update count or -1 if there is no pending result or if the next result is not an update count. Return: update count or -1 if there is no pending result or if the next result is not an update count Throws | |
TypedQuery.setFirstResult(startPosition) - JPA Method JPA Method in jakarta.persistence.TypedQuery TypedQuery setFirstResult ( int startPosition ) Set the position of the first result to retrieve. Parameters: startPosition - position of the first result, numbered from 0 Return: the same query instance Throws: IllegalArgumentException - if the argument is negative Since: JPA 2.0 | |
TypedQuery.setMaxResults(maxResult) - JPA Method JPA Method in jakarta.persistence.TypedQuery TypedQuery setMaxResults ( int maxResult ) Set the maximum number of results to retrieve. Parameters: maxResult - maximum number of results to retrieve Return: the same query instance Throws: IllegalArgumentException - if the argument is negative Since: JPA 2.0 | |
AnnotationAttrRef jakarta.persistence.SequenceGenerator.allocationSize JPA Annotation Attribute in jakarta.persistence.SequenceGenerator int allocationSize default 50 (Optional) The amount to increment by when allocating sequence numbers from the sequence. Since: JPA 1.0 | |
AnnotationAttrRef jakarta.persistence.SequenceGenerator.initialValue JPA Annotation Attribute in jakarta.persistence.SequenceGenerator int initialValue default 1 (Optional) The value from which the sequence object is to start generating. Since: JPA 1.0 | |
Tuple.get(i) - JPA Method JPA Method in jakarta.persistence.Tuple Object get ( int i ) Get the value of the element at the specified position in the result tuple. The first position is 0. Parameters: i - position in result tuple Return: value of the tuple element Throws: IllegalArgumentException - if i exceeds length of result tuple Since: JPA 2.0 | |
Tuple.get(i,type) - JPA Method JPA Method in jakarta.persistence.Tuple X get ( int i, Class type ) Get the value of the element at the specified position in the result tuple. The first position is 0. Parameters: i - position in result tuple type - type of the tuple element Return: value | |
AnnotationRef jakarta.persistence.EnumeratedValue JPA Annotation EnumeratedValue Target: FIELD Implemented Interfaces: Annotation Specifies that an annotated field of a Java enum type is the source of database column values for an plain mapping. The annotated field must be declared final , and must be of type: byte , short , or int for EnumType | |
AnnotationAttrRef jakarta.persistence.Column.scale JPA Annotation Attribute in jakarta.persistence.Column int scale default 0 (Optional) The scale for a column of SQL type decimal or numeric , or of similar database-native type. Applies only to columns of exact numeric type. The default value 0 indicates that a provider-determined scale should be inferred. Since: JPA 1.0 | |
AnnotationAttrRef jakarta.persistence.Column.precision JPA Annotation Attribute in jakarta.persistence.Column int precision default 0 (Optional) The precision for a column of SQL type decimal or numeric , or of similar database-native type. Applies only to columns of exact numeric type. The default value 0 indicates that a provider-determined precision should be inferred. Since: JPA 1.0 | |
AnnotationAttrRef jakarta.persistence.TableGenerator.allocationSize JPA Annotation Attribute in jakarta.persistence.TableGenerator int allocationSize default 50 (Optional) The amount to increment by when allocating id numbers from the generator. Since: JPA 1.0 | |
AnnotationAttrRef jakarta.persistence.TableGenerator.initialValue JPA Annotation Attribute in jakarta.persistence.TableGenerator int initialValue default 0 (Optional) The initial value to be used to initialize the column that stores the last value generated. Since: JPA 1.0 | |
AnnotationAttrRef jakarta.persistence.Column.length JPA Annotation Attribute in jakarta.persistence.Column int length default 255 (Optional) The column length. Applies only to columns whose type is parameterized by length, for example, varchar or varbinary types. Since: JPA 1.0 | |
CriteriaBuilder.substring(x,from) - JPA Method JPA Method in jakarta.persistence.criteria.CriteriaBuilder Expression substring ( Expression x, int from ) Create an expression for substring extraction. Extracts a substring starting at the specified position through to end of the string. First position | |
StoredProcedureQuery.getOutputParameterValue(position) - JPA Method JPA Method in jakarta.persistence.StoredProcedureQuery Object getOutputParameterValue ( int position ) Retrieve a value passed back from the procedure through an INOUT or OUT parameter. For portability, all results corresponding to result sets and update counts must be retrieved | |
StoredProcedureQuery.registerStoredProcedureParameter(position,type,mode) - JPA Method JPA Method in javax.persistence.StoredProcedureQuery StoredProcedureQuery registerStoredProcedureParameter ( int position, Class type, ParameterMode mode ) Register a positional parameter. All parameters must be registered | |
StoredProcedureQuery.executeUpdate() - JPA Method JPA Method in jakarta.persistence.StoredProcedureQuery int executeUpdate () Return the update count of -1 if there is no pending result or if the first result is not an update count. The provider will call execute on the query if needed. Return: the update count or -1 if there is no pending result | |
StoredProcedureQuery.setParameter(position,value) - JPA Method JPA Method in jakarta.persistence.StoredProcedureQuery StoredProcedureQuery setParameter ( int position, Object value ) Bind an argument value to a positional parameter. Parameters: position - position value - parameter value Return: the same query instance | |
StoredProcedureQuery.setParameter(position,value,temporalType) - JPA Method JPA Method in jakarta.persistence.StoredProcedureQuery StoredProcedureQuery setParameter ( int position, Calendar value, TemporalType temporalType ) Bind an instance of java.util.Calendar to a positional parameter. Parameters | |
AnnotationRef jakarta.persistence.Version must be of one of the following basic types: int , Integer, short , Short, long , Long, java.sql.Timestamp | |
StoredProcedureQuery.setParameter(position,value,temporalType) - JPA Method JPA Method in jakarta.persistence.StoredProcedureQuery StoredProcedureQuery setParameter ( int position, Date value, TemporalType temporalType ) Bind an instance of java.util.Date to a positional parameter. Parameters: position | |
AnnotationAttrRef jakarta.persistence.DiscriminatorColumn.length JPA Annotation Attribute in jakarta.persistence.DiscriminatorColumn int length default 31 (Optional) The column length for String-based discriminator types. Ignored for other discriminator types. Since: JPA 1.0 | |
TypedQuery.setParameter(position,value,temporalType) - JPA Method JPA Method in jakarta.persistence.TypedQuery TypedQuery setParameter ( int position, Calendar value, TemporalType temporalType ) Bind an instance of java.util.Calendar to a positional parameter. Parameters: position - position value | |
TypedQuery.setParameter(position,value,temporalType) - JPA Method JPA Method in jakarta.persistence.TypedQuery TypedQuery setParameter ( int position, Date value, TemporalType temporalType ) Bind an instance of java.util.Date to a positional parameter. Parameters: position - position value | |
TypedQuery.setParameter(position,value) - JPA Method JPA Method in jakarta.persistence.TypedQuery TypedQuery setParameter ( int position, Object value ) Bind an argument value to a positional parameter. Parameters: position - position value - parameter value Return: the same query instance Throws | |
AnnotationRef jakarta.persistence.DiscriminatorColumn a class discriminator. Defaults to DiscriminatorType.STRING . Since: JPA 1.0 int length default 31 | |
CriteriaBuilder.locate(x,pattern,from) - JPA Method JPA Method in jakarta.persistence.criteria.CriteriaBuilder Expression locate ( Expression x, String pattern, int from ) Create expression to locate the position of one string within another, returning position of first character | |
EnumConstRef jakarta.persistence.GenerationType.TABLE JPA Enum Constant in jakarta.persistence.GenerationType TABLE Indicates that the persistence provider must assign primary keys for the entity using an underlying database table to ensure uniqueness. May be used to generate primary keys of type Long, Integer, long , or int . Since: JPA 1.0 | |
EnumConstRef jakarta.persistence.GenerationType.AUTO int , the provider selects between TABLE , SEQUENCE , and IDENTITY . The AUTO generation strategy | |
EnumConstRef jakarta.persistence.GenerationType.IDENTITY JPA Enum Constant in jakarta.persistence.GenerationType IDENTITY Indicates that the persistence provider must assign primary keys for the entity using a database identity column. May be used to generate primary keys of type Long, Integer, long , or int . Since: JPA 1.0 | |
EnumConstRef jakarta.persistence.GenerationType.SEQUENCE JPA Enum Constant in jakarta.persistence.GenerationType SEQUENCE Indicates that the persistence provider must assign primary keys for the entity using a database sequence. May be used to generate primary keys of type Long, Integer, long , or int . Since: JPA 1.0 |