About string

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JDO Doc
6

javax.jdo.JDOException

without a detail message. Constructs a new JDOException without a detail message. Since: JDO 1.0 JDOException(String msg ... (String msg, Object failed) Constructs a new JDOException with the specified detail message and failed ... : msg - the detail message. failed - the failed object. Since: JDO 1.0 JDOException(String msg
JPA Doc
6

javax.persistence.EntityManager

- if not an entity Since: JPA 1.0 Query createNamedQuery(String name) Create an instance of Query ... string is found to be invalid Since: JPA 1.0 TypedQuery createNamedQuery(String name, Classstring is found to be invalid
JPA Doc
6

javax.persistence.metamodel.EntityType

Attribute getAttribute(String name) Return the attribute of the managed type that corresponds ... . Returns: bindable type Since: JPA 2.0 CollectionAttribute getCollection(String name) Return ... Since: JPA 2.0 CollectionAttribute getCollection(String name, Class elementType) Return
JDO Doc
6

javax.jdo.annotations.Persistent

" and "property". Since: JDO 2.1 String cacheable Whether this field/property is cacheable in a Level2 cache ... String column Column name where the values are stored for this member. Column name where the values ... . Returns: the columns for this member Default value: {} Since: JDO 2.1 String customValueStrategy Custom
Tutorial
6

Step 2: Define a JPA Entity Class

() { return y; } @Override public String toString() { return String.format
Manual
6

Shared (L2) Entity Cache

and primary key: em.find(MyEntity2.class, Long.valueOf(1),      Collections.<String,Object ... , Long.valueOf(1),    Collections.<String,Object>singletonMap(         "javax.persistence.cache
Manual
6

Setting and Tuning of JPA Queries

> For an EntityManagerFactory - using the createEntityManagerFacotory method:   Map<String,Object> properties ... the createEntityManager method:   Map<String,Object> properties = new HashMap();   properties
Manual
6

Database Schema Evolution

and false are converted to false, any other value is converted to true). From any type to String (using toString() if necessary). From String to numeric types including enum types (when applicable). From
Tutorial
6

Step 2: Define a JPA Entity Class [2011-02-11]

; } public int getY() { return y; } @Override public String toString() { return String.format("(%d, %d)", this.x, this.y); } } The new class
Tutorial
6

Step 2: Define a JPA Entity Class

; } public int getY() { return y; } @Override public String toString() { return String.format("(%d, %d)", this.x, this.y); } } The new class