4 | javax.persistence.MapKeyColumn relationship field or property; "_"; "KEY". Example: @Entity public class Item { @Id int id ... : true Since: JPA 2.0 int length (Optional) The column length. (Optional) The column length. (Applies ... ) Whether the database column is nullable. Default value: false Since: JPA 2.0 int precision (Optional |
3 | javax.persistence.MapKeyJoinColumn: @Entity public class Company { @Id int id; ... @OneToMany ... public class VideoStore { @Id int id; String name; Address location ... ; ... } Example 3: @Entity public class Student { @Id int studentId |
3 | javax.persistence.Column. Default value: true Since: JPA 1.0 int length (Optional) The column length. (Optional) The column ... int precision (Optional) The precision for a decimal (exact numeric) column. (Optional) The precision ... by developer if used when generating the DDL for the column. Default value: 0 Since: JPA 1.0 int |
0 | javax.jdo.identity.ObjectIdentity. Parameters: pcClass - the class param - the key Since: JDO 1.0 int compareTo(T arg0) Parameters: arg0 - int compareTo(Object o) Determine the ordering of identity objects. Determine the ordering ... . Since: JDO 2.0 int hashCode() Return the cached hash code. Return the cached hash code. Returns |
0 | javax.jdo.identity.StringIdentity. Parameters: pcClass - the class key - the key Since: JDO 1.0 int compareTo(T arg0) Parameters: arg0 - int ... .0 int hashCode() Return the cached hash code. Return the cached hash code. Returns: the cached hash |
0 | getIntField(pc, field, currentValue)Method javax.jdo.spi.StateManager int getIntField( PersistenceCapable pc, int field, int currentValue ) Return the value for the field. Parameters: pc - the calling PersistenceCapable instance field - the field number currentValue - the current value of the field Returns: the new value for the field Since: JDO 1.0 |
0 | javax.jdo.identity.ByteIdentity with class and key. Parameters: pcClass - the target class str - the key Since: JDO 1.0 int compareTo(T arg0) Parameters: arg0 - int compareTo(Object o) Determine the ordering of identity objects ... : the target class name. Since: JDO 2.0 int hashCode() Return the cached hash code. Return the cached |
0 | setIntField(pc, field, currentValue, newValue)Method javax.jdo.spi.StateManager void setIntField( PersistenceCapable pc, int field, int currentValue, int newValue ) Mark the field as modified by the user. Parameters: pc - the calling PersistenceCapable instance field - the field number currentValue - the current value of the field newValue - the proposed new value of the field Since: JDO 1.0 |
0 | javax.jdo.FetchGroup of this FetchGroup. Returns: the post-load property Since: JDO 2.2 int getRecursionDepth(String memberName ... Since: JDO 2.2 int hashCode() Return the hashCode for this instance. Return the hashCode ... - if the FetchGroup is unmodifiable Since: JDO 2.2 FetchGroup setRecursionDepth(String memberName, int |
0 | javax.jdo.identity.ShortIdentity with class and key. Parameters: pcClass - the class str - the key Since: JDO 1.0 int compareTo(T arg0) Parameters: arg0 - int compareTo(Object o) Determine the ordering of identity objects. Determine ... class name. Since: JDO 2.0 int hashCode() Return the cached hash code. Return the cached hash code |
