JOAFIP(javadataobjectpersisteceifile)使得你可以使用文件系统来保存数据对象，而不是数据库。
主要特点：
easytouseguarateesallACIDpropertiesobjectorieted,writeyourmodel,storeit.Dooteedquerylaguage,justeavigateiyourmodel.multidataaccesssessio(multi-Thread,trasactioaldatastore)save allobjectsofobjectgraphstartigfromarootobjecttofilesystem,oeheapfilerecordbyobjectistacelazyloadigofobject:makeabletootwastememorywithlargeobjectgraphwheolyeedtoaccesstosomeofthem.maagemoreobjectthamemorycacotaisaboutproxyforlazyloadmaageeumstatepersistececrashsafe,mayacceptJVMstopataytimeeveifwriteifile(olythelastcommitislost)filecorruptiodetectiogarbagecollectorforfiledatarecordthatwilleverbeaccessedTheobject thatcabepersitedarePOJOthatoteedstoimplemetSerializable,butthereissome coditiosPossibilitytostoreserializatioof istaceofclassioedatarecord.cabecomprerssedorot
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