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JPA Doc
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javax.persistence.JoinTable

[] inverseJoinColumns (Optional) The foreign key columns of the join table which reference the primary table of the entity that does not own the association. (Optional) The foreign key columns ... : {} Since: JPA 1.0 JoinColumn[] joinColumns (Optional) The foreign key columns of the join table
JPA Doc
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javax.persistence.MapKeyClass

javax.persistence Annotation MapKeyClass Target: Fields (including property get methods) Specifies the type of the map key for associations of type java.util.Map. The map key can be a basic type ... ManyToMany Class value (Required) The type of the map key. (Required) The type of the map key. Since: JPA 2.0
JDO Doc
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jdoCopyKeyFieldsFromObjectId(fm, oid)

 fm,   Object oid ) Copy fields to an outside consumer from the key fields in the ObjectId. This method is generated in the PersistenceCapable class to generate a call to the field manager for each key field in the ObjectId. For example, an ObjectId class that has three key fields (int id, String
JDO Doc
1

jdoCopyKeyFieldsToObjectId(fm, oid)

,   Object oid ) Copy fields from an outside source to the key fields in the ObjectId. This method is generated in the PersistenceCapable class to generate a call to the field manager for each key field in the ObjectId. For example, an ObjectId class that has three key fields (int id, String name
JPA Doc
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JoinColumn.referencedColumnName

of the column referenced by this foreign key column. When used with entity relationship mappings ... with a unidirectional OneToMany foreign key mapping, the referenced column is in the table of the source entity. When used inside a JoinTable annotation, the referenced key column is in the entity
JPA Doc
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JoinColumn.unique

is a unique key. This is a shortcut for the UniqueConstraint annotation at the table level and is useful for when the unique key constraint is only a single field. It is not necessary to explicitly specify this for a join column that corresponds to a primary key that is part of a foreign key. Default value: false Since: JPA 1.0
JPA Doc
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MapKeyColumn.table

that contains the column. Defaults: If the map key is for an element collection, the name of the collection table for the map value. If the map key is for a OneToMany or ManyToMany entity relationship using a join table, the name of the join table for the map. If the map key is for a OneToMany entity
JPA Doc
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PrimaryKeyJoinColumn.name

of the primary key column of the current table. Defaults to the same name as the primary key column of the primary table of the superclass (JOINED mapping strategy); the same name as the primary key column of the primary table (SecondaryTable mapping); or the same name as the primary key column for the table
JPA Doc
1

PrimaryKeyJoinColumn.referencedColumnName

) The name of the primary key column of the table being joined to. Defaults to the same name as the primary key column of the primary table of the superclass (JOINED mapping strategy); the same name as the primary key column of the primary table (SecondaryTable mapping); or the same name as the primary
JDO Doc
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toString()

can be reconstructed later. Then the toString of the key instance is appended. During construction ... of the key is used to construct the key itself. Returns: the String form of the key Since: JDO 1.0