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20

500Mb ObjectDb database opening issue

500Mb ObjectDb database opening issue
20

Replication error on slave restart

recording to write operations:     <recording enabled="true" sync="false" path="." mode="write ... ="50" user="true" password="true" /> <log path="$objectdb/log/" max="8mb" stdout="false" stderr="false" /> <log-archive path="$objectdb/log/archive/" retain="90" /> <logger name="*" level="info
17

EntityManagerFactory Fails To Swtich Over To Slave When Master Is Unavailable

-XXXX" /> -->         </database>         <entities>                 <enhancement agent="false ... serialization="false" />                 <cascade-persist always="auto" on-persist="false" on-commit="true" />                 <dirty-tracking arrays="false" />         </entities>         <schema
4

javax.persistence.Column

, the default values apply. Example 1: @Column(name="DESC", nullable=false, length=512) public ... getDescription() { return description; } Example 3: @Column(name="ORDER_COST", updatable=false, precision ... specified at the table level. Default value: false Since: JPA 1.0 boolean updatable (Optional
3

javax.persistence.criteria.Subquery

to be eliminated. A false value will cause duplicates to be retained. If distinct has not been specified ... will cause duplicates to be eliminated. A false value will cause duplicates to be retained. If distinct
3

SharedCacheMode.DISABLE_SELECTIVE

Enum Constant javax.persistence.SharedCacheMode DISABLE_SELECTIVE Caching is enabled for all entities except those for which Cacheable(false) is specified. Entities for which Cacheable(false) is specified are not cached. Since: JPA 2.0
3

javax.persistence.MapKeyJoinColumn

key column is nullable. Default value: false Since: JPA 2.0 String referencedColumnName (Optional ... and is useful for when the unique key constraint is only a single field. Default value: false Since: JPA
0

getObjectById(oid, validate)

flag is false, and there is already an instance in the cache with the same JDO identity as the oid ... ObjectId class. If the validate flag is false, and the instance does not exist in the data store
0

javax.jdo.Extent

closed by this method will return false to hasNext() and will throw NoSuchElementException ... associated with this Extent instance. Iterators closed by this method will return false to hasNext
0

preClear(event)

during an application call to evict, and in afterCompletion for commit with RetainValues false and rollback with RestoreValues false. The method is called during any state transition to hollow. Non-persistent, non

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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