ObjectDB Database Search

The Query and TypedQuery interfaces define various methods for setting and tuning query execution ... that EntityManager , or at the individual query level, which overrides the EntityManager setting ... . JPA adds support for pessimistic locking . The setLockMode method sets a lock mode to apply

The configuration element specifies back-end (database engine) settings for the server ... specifies the database file and page size settings : The initial attribute specifies the initial size ... the database. The element specifies the recovery file settings : The enabled attribute ( "true" or

.DispatcherServlet 2 spring *.html 30 index.jsp The settings above routes web requests with  .html suffix to the Spring dispatcher servlet. Additional spring configuration is set in another XML file ... content: The settings above guides Spring to support annotations (for components, controllers

.objectdb.o._LockTimeoutException: Write lock cannot be granted for a.b.c.d.EE#150. irrespective if I set ... setting a shared lock in the EJB could get around this, but this would be global and impact all threads ... on stale updates. Willks William Support of pessimistic lock timeout  setting ( javax.persistence

, mappedBy="parent") private Set abstractContainers = com.google.common.collect. Sets ... of com.google.common.collect. Sets $SetFromMap - field xxx.AbstractContainer.abstractContainers at com ... Vladimir Tsichevski Maybe the set contains objects that cannot be serialized. Check the full stack trace

")     private Set contracts = new HashSet (); ---------- @Entity public class Contract ... = "contracts")     private Set persons = new HashSet (); [...] itsme Martin Petzold

Given that the default seems to be FetchType.LAZY for all collections @OneToMany and @ManyToMany. Such as a configuration option. Instead of having to explicitly set fetch in annotation code in every relationship. webel Dr Darren Kelly No. There is no such configuration option, since having EAGER

( unknown source ) xirt Sylvain You can set a query execution timeout as a query hint . The many

, such as Hibernate, or for changing default field settings . For example: @Entity public class ... an exception if you try to store an entity with a null value in that field. Cascade and fetch settings ... ( mappedBy ="department") Set employees; } The mappedBy element in the preceding example specifies

in criteria queries The criteria query API provides several ways to set the SELECT clause. Single selection Setting a single-expression SELECT clause is straightforward. For example, the following ... . get ("currency")). distinct (true); The select method takes one argument of type Selection and sets

setting up automatic cascading persist operations. Cascading persist Marking a reference field ... . Because of the CascadeType.PERSIST setting , when an Employee instance is persisted, the operation is automatically ... . You can do this either by setting the ObjectDB configuration or, in a JPA-portable way, by specifying the cascade-persist

. A persistence context is a set of entity instances in which for any given persistent entity identity ... flush . The timing of the flush process depends on the flush mode , which may be set explicitly by ... must also be flushed before execution of any query whose result set would be affected by unflushed modifications

expression handling by using a minimal set of reusable interfaces, so many different types of expressions

by setting the path attribute in the configuration . The recording directory contains two types

The configuration element specifies settings for running an ObjectDB Server . The server is also affected by other elements in the configuration file, such as the and elements. The default configuration file contains the following element: The element The element specifies how clients can connect

: @ManyToMany @JoinTable(name = "CUST_PHONES") public Set getPhones() { return phones; } // In PhoneNumber class: @ManyToMany(mappedBy = "phones") public Set getCustomers() { return customers; } Example 2: // In Customer class: @ManyToMany(targetEntity = com.acme.PhoneNumber.class) public Set

within a transaction, if AUTO is set on the Query or TypedQuery object, or if the flush mode setting for the persistence context is AUTO (the default) and a flush mode setting has not been specified for the Query or ... , if COMMIT is set , the effect of updates made to entities in the persistence context on queries

of EntityManager . A persistence unit defines the set of all classes that are related or grouped by ... mode, result set mapping information, and information about stored procedure parameters. When the query is executed, information that can be set by means of the query APIs can be overridden

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.ManagedType Set getPluralAttributes() Return all multi-valued attributes (Collection-, Set -, List-, and Map-valued attributes) of the managed type. Returns empty set if the managed type has no multi-valued attributes. Returns

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.ManagedType Set getDeclaredPluralAttributes() Return all multi-valued attributes (Collection-, Set -, List-, and Map-valued attributes) declared by the managed type. Returns empty set if the managed type has no declared multivalued

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.AbstractQuery Set getRoots ... itself, including any subquery roots defined as a result of correlation. Returns an empty set if no roots have been defined. Modifications to the set do not affect the query. Returns: the set of query roots. Since: Jakarta Persistence (JPA) 1.0

is false. Since: Jakarta Persistence (JPA) 1.0 void setTimeout ( Integer timeout ) Set the transaction ... that the database server should set the timeout Since: Jakarta Persistence (JPA) 3.2

the Server: Select  File Settings Application Servers . Add Tomcat 6 Server if not set already (Tomcat ... +F10 ). If the browser fails to open check the settings at  File Settings Web Browsers .

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.CommonAbstractCriteria Set getParameters() Return the parameters of the query. Returns empty set if there are no parameters. Modifications to the set do not affect the query. Returns: the query parameters. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Metamodel Set getEmbeddables() Return the metamodel embeddable types. Returns am empty set if there are no embeddable types. Returns: the metamodel embeddable types. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.ManagedType Set getSingularAttributes() Return the single-valued attributes of the managed type. Returns empty set if the managed type has no single-valued attributes. Returns: single-valued attributes. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.ManagedType Set getDeclaredSingularAttributes() Return the single-valued attributes declared by the managed type. Returns empty set if the managed type has no declared single-valued attributes. Returns: declared single-valued attributes. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.ManagedType Set getDeclaredAttributes() Return the attributes declared by the managed type. Returns empty set if the managed type has no declared attributes. Returns: declared attributes of the managed type. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.TypedQuery TypedQuery setTimeout (    Integer timeout ) Set the query timeout, in milliseconds. This is a hint, and is an alternative to setting the hint jakarta.persistence.query.timeout . Parameters: timeout - the timeout, in

(PrintStreamOrWriter,StackTraceElement~,String,String, Set ), java.lang.Throwable/printStackTrace(), java.lang

public Set getOrders() { return orders; } See Also: ManyToOne OneToMany OneToOne JoinTable

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optional (Optional) Whether the association is optional. If set to false then a non-null relationship

Person { @Id protected String ssn; protected String name; ... @ElementCollection protected Set

~,String,String, Set ), java.lang.Throwable/printStackTrace(), java.lang.Throwable/printStackTrace

.lang.Throwable/printEnclosedStackTrace(PrintStreamOrWriter,StackTraceElement~,String,String, Set ), java

that have already signed (which are retrieved from the request's guestDao attribute that is set by the controller in the previous step). The next step (and the last in this tutorial) is setting the Spring XML configuration .

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceConfiguration PersistenceConfiguration property (    String name ,    Object value ) Set a property of this persistence unit. Parameters: name - the property name value - the property value Returns: this configuration. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceConfiguration PersistenceConfiguration properties (    Map properties ) Set multiple properties of this persistence unit. Parameters: properties - the properties Returns: this configuration. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceConfiguration Map properties() Standard and vendor-specific property settings . Returns: the configured properties. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceContext PersistenceProperty[] properties (Optional) Properties for the container or persistence provider. Vendor specific properties may be included in this set of properties. Properties that are not recognized by a vendor

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.ManagedType SetAttribute getSet (    String name ) Return the Set -valued attribute of the managed type that corresponds to the specified name. Parameters: name - the name of the represented attribute Returns: SetAttribute

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.ManagedType SetAttribute getDeclaredSet (    String name ) Return the Set -valued attribute declared by the managed type that corresponds to the specified name. Parameters: name - the name of the represented attribute

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Metamodel Set getManagedTypes() Return the metamodel managed types. Returns: the metamodel managed types. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Metamodel Set getEntities() Return the metamodel entity types. Returns: the metamodel entity types. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.AbstractQuery Selection getSelection() Return the selection of the query, or null if no selection has been set . Returns: selection item. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.metamodel.Attribute boolean isCollection() Is the attribute collection-valued (represents a Collection , Set , List , or Map ). Returns: boolean indicating whether the attribute is collection-valued. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (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 Returns: the same query instance. Throws

Jakarta Persistence (JPA) Method in jakarta.persistence.TypedQuery TypedQuery setHint (    String hintName ,    Object value ) Set a query property or hint. The hints elements may be used to specify query properties and hints. Properties defined by this specification

+ ")"; } } The Guest entity class will represents guests in the database. We also need to configure JPA by setting