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unpinAll(oids)

Method javax.jdo.datastore.DataStoreCache void unpinAll( Collection oids ) Unpin the parameter instances from the second-level cache. Parameters: oids - the object ids of the instance to evict. Since: JDO 2.0
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unpin(oid)

Method javax.jdo.datastore.DataStoreCache void unpin( Object oid ) Unpin the parameter instance from the second-level cache. Parameters: oid - the object id of the instance to unpin. Since: JDO 2.0
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unpinAll(subclasses, pcClass)

Method javax.jdo.datastore.DataStoreCache void unpinAll( boolean subclasses, Class pcClass ) Unpin instances from the second-level cache. Parameters: subclasses - if true, unpin instances of subclasses also pcClass - the class of instances to unpin Since: JDO 2.1
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unpinAll(pcClass, subclasses)

Method javax.jdo.datastore.DataStoreCache void unpinAll( Class pcClass, boolean subclasses ) Unpin instances from the second-level cache. Parameters: pcClass - the class of instances to unpin subclasses - if true, unpin instances of subclasses also Since: JDO 2.0
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pinAll(oids)

Method javax.jdo.datastore.DataStoreCache void pinAll( Collection oids ) Pin the parameter instances in the second-level cache. Parameters: oids - the object ids of the instances to pin. Since: JDO 2.0
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pin(oid)

Method javax.jdo.datastore.DataStoreCache void pin( Object oid ) Pin the parameter instance in the second-level cache. Parameters: oid - the object id of the instance to pin. Since: JDO 2.0
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pinAll(subclasses, pcClass)

Method javax.jdo.datastore.DataStoreCache void pinAll( boolean subclasses, Class pcClass ) Pin instances in the second-level cache. Parameters: subclasses - if true, pin instances of subclasses also pcClass - the class of instances to pin Since: JDO 2.1
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pinAll(pcClass, subclasses)

Method javax.jdo.datastore.DataStoreCache void pinAll( Class pcClass, boolean subclasses ) Pin instances in the second-level cache. Parameters: pcClass - the class of instances to pin subclasses - if true, pin instances of subclasses also Since: JDO 2.0
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evictAll(oids)

Method javax.jdo.datastore.DataStoreCache void evictAll( Collection oids ) Evict the parameter instances from the second-level cache. Parameters: oids - the object ids of the instance to evict. Since: JDO 2.0
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evictAll(subclasses, pcClass)

Method javax.jdo.datastore.DataStoreCache void evictAll( boolean subclasses, Class pcClass ) Evict the parameter instances from the second-level cache. Parameters: subclasses - if true, evict instances of subclasses also pcClass - the class of instances to evict Since: JDO 2.1

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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See a comparison of Hibernate, EclipseLink, OpenJPA, DataNucleus, MySQL, PostgreSQL, Derby, HSQLDB, DB4O by Versant, H2 Database, SQLite and ObjectDB

in the JPA Benchmark.

Copyright © 2003, 2010, 2024  ObjectDB Software, all rights reserved. The JPA API Reference Documentation (JavaDoc) on this website is derived with some adjustments from the open source JPA 2 RI (EclipseLink) and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0. The JDO API Reference Documentation (JavaDoc) on this website is derived with some adjustments from the JDO 2.2 API and is available under the terms of the Apache License, v. 2.0. Images on this website are available under these licecnes. Documentation on this website explains how to use JPA in the context of the ObjectDB Object Database but mostly relevant also for ORM JPA implementations, such as Hibernate (and HQL), EclipseLink, TopLink, OpenJPA and DataNucleus. ObjectDB is not an ORM JPA implementation but an Object Database (ODBMS) for Java with built in JPA 2 support.