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6

javax.persistence.metamodel.MapAttribute

type of the collection. Returns: element type Since: JPA 2.0 Member getJavaMember() Return the java.lang.reflect.Member for the represented attribute. Return the java.lang.reflect.Member for the represented attribute. Returns: corresponding java.lang.reflect.Member Since: JPA 2.0 Class<Y> getJavaType
6

javax.persistence.metamodel.SingularAttribute

Since: JPA 2.0 Member getJavaMember() Return the java.lang.reflect.Member for the represented attribute. Return the java.lang.reflect.Member for the represented attribute. Returns: corresponding java.lang.reflect.Member Since: JPA 2.0 Class<Y> getJavaType() Return the Java type of the represented
6

javax.persistence.metamodel.CollectionAttribute

representing the element type of the collection. Returns: element type Since: JPA 2.0 Member getJavaMember() Return the java.lang.reflect.Member for the represented attribute. Return the java.lang.reflect.Member for the represented attribute. Returns: corresponding java.lang.reflect.Member
0

javax.jdo.annotations.Order

for the ordering component of an ordered container member, such as Java Collections Framework Array ... String column The name of the column to use for ordering the elements of the member. The name of the column to use for ordering the elements of the member. Returns: the name of the ordering column
0

javax.jdo.annotations.FetchGroup

. Default value: {} Since: JDO 2.1 Persistent[] members Members (fields and properties) of the fetch group. Members (fields and properties) of the fetch group. The members should contain only name and recursionDepth. Returns: members for the fetch group Since: JDO 2.1 String name Name of the fetch
0

setRecursionDepth(memberName, recursionDepth)

) Set the recursion-depth for this member. The default is 1. A value of 0 means don't fetch the member (as if the member were omitted entirely). A value of -1 means fetch all instances reachable via this member. Parameters: memberName - the name of the field or property recursionDepth - the value
0

javax.jdo.annotations.Unique

[] members Member (field and property) names that compose this unique constraint. Member (field and property) names that compose this unique constraint. Returns: member names that compose this unique
0

Element.mappedBy

Annotation Element javax.jdo.annotations.Element String mappedBy Name of the member in the target class that forms a bidirectional relationship with this member. Returns: name of the member in the target class that forms a bidirectional relationship with this member Default value: "" Since: JDO 2.1
0

Persistent.types

Annotation Element javax.jdo.annotations.Persistent Class[] types Types of the member. Used when the declared member type is a supertype of the actual type that is stored in the member. For example, the declared member type might be an interface type that must contain an object of a concrete type
0

addMembers(memberNames)

Method javax.jdo.FetchGroup FetchGroup addMembers( String... memberNames ) Add the member (field or property) to the set of members in this FetchGroup. Duplicates are ignored. Parameters: memberNames - the names of members to add to the FetchGroup Returns: the FetchGroup Throws: JDOUserException

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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