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JDO Doc
3

javax.jdo.identity.CharIdentity

boolean equals(Object obj) Determine if the other object represents the same object id. Determine if the other object represents the same object id. Parameters: obj - the other object Returns: true if both objects represent the same object id Since: JDO 1.0 boolean equals(Object obj) Check the class
JDO Doc
3

javax.jdo.identity.IntIdentity

Since: JDO 2.2 boolean equals(Object obj) Determine if the other object represents the same object id. Determine if the other object represents the same object id. Parameters: obj - the other object Returns: true if both objects represent the same object id Since: JDO 1.0 boolean equals(Object obj
JDO Doc
3

javax.jdo.identity.LongIdentity

object id. Determine if the other object represents the same object id. Parameters: obj - the other object Returns: true if both objects represent the same object id Since: JDO 1.0 boolean equals(Object
JDO Doc
3

javax.jdo.identity.ShortIdentity

the same object id. Determine if the other object represents the same object id. Parameters: obj - the other object Returns: true if both objects represent the same object id Since: JDO 1.0 boolean equals
JDO Doc
3

javax.jdo.identity.StringIdentity

.2 boolean equals(Object obj) Determine if the other object represents the same object id. Determine if the other object represents the same object id. Parameters: obj - the other object Returns: true if both objects represent the same object id Since: JDO 1.0 boolean equals(Object obj) Check
JDO Doc
3

javax.jdo.JDONullIdentityException

An instance of this class is thrown when attempting to create an object id when the object id constructor parameter is null. This might occur when creating an object id instance from a transient instance
JPA Doc
3

javax.persistence.EntityResult

.createNativeQuery( "SELECT o.id, o.quantity, o.item, i.id, i.name, i.description "+ "FROM Order o, Item i " + "WHERE (o.quantity > 25) AND (o.item = i.id
JPA Doc
3

javax.persistence.MapsId

has simple primary key @Entity public class Employee { @Id long empId; String name ... type of Employee } @Entity public class Dependent { @EmbeddedId DependentId id; ... @MapsId("empid") // maps the empid attribute of embedded id @ManyToOne
JPA Doc
3

javax.persistence.OneToMany

getOrders() { return orders; } In Order class: @ManyToOne @JoinColumn(name="CUST_ID ... orders; } // In Order class: @ManyToOne @JoinColumn(name="CUST_ID", nullable=false ... ) @JoinColumn(name="CUST_ID") // join column is in table for Order public Set getOrders
JDO Doc
3

newObjectIdInstance(pcClass, obj)

constructor of the object id class. It is intended for single field identity. The identity instance returned ... on which the method is called. If the key is the wrong class for the object id class, null is returned ... of the object id Returns: the new ObjectId instance, or null if the class is not registered. Since: JDO 2.0