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16

Replication error on slave restart

directory contains an empty database file (sm.odb) with no classes and no objects. Could you please explain what happened to the master database and when and how it became empty? Because in this situation, when the master database is empty, obviously replication cannot succeed. support Support Interesting
4

javax.persistence.criteria.ListJoin

this type. Return the fetch joins that have been made from this type. Returns empty set if no fetch joins ... the joins that have been made from this bound type. Returns empty set if no joins have been made from
4

javax.persistence.criteria.From

that have been made from this type. Returns empty set if no fetch joins have been made from this type. Modifications ... . Returns empty set if no joins have been made from this bound type. Modifications to the set do not
4

javax.persistence.criteria.CollectionJoin

that have been made from this type. Return the fetch joins that have been made from this type. Returns empty ... this bound type. Return the joins that have been made from this bound type. Returns empty set
4

javax.persistence.criteria.Root

. Returns empty set if no fetch joins have been made from this type. Modifications to the set do not affect ... that have been made from this bound type. Return the joins that have been made from this bound type. Returns empty set
4

isEmpty(collection)

Method javax.persistence.criteria.CriteriaBuilder Predicate isEmpty( Expression<C> collection ) Create a predicate that tests whether a collection is empty. Parameters: collection - expression Returns: is-empty predicate Since: JPA 2.0
4

isNotEmpty(collection)

Method javax.persistence.criteria.CriteriaBuilder Predicate isNotEmpty( Expression<C> collection ) Create a predicate that tests whether a collection is not empty. Parameters: collection - expression Returns: is-not-empty predicate Since: JPA 2.0
4

javax.persistence.criteria.MapJoin

this type. Return the fetch joins that have been made from this type. Returns empty set if no fetch ... . Return the joins that have been made from this bound type. Returns empty set if no joins
4

javax.persistence.criteria.AbstractQuery

expressions. Return a list of the grouping expressions. Returns empty list if no grouping expressions ... of correlation. Returns empty set if no roots have been defined. Modifications to the set do not affect
0

javax.jdo.Constants

PersistenceManagerFactory, which is the empty string. The name of the anonymous PersistenceManagerFactory, which is the empty string. Since: JDO 2.1 String ELEMENT_INSTANCE_LIFECYCLE_LISTENER The name of the instance

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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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