| org.apache.cayenne | Contains persistence APIs directly accessible by users. | 
| org.apache.cayenne.access | Contains classes that make up Cayenne ORM stack. | 
| org.apache.cayenne.access.dbsync |  | 
| org.apache.cayenne.access.event |  | 
| org.apache.cayenne.access.jdbc | Contains classes that handle JDBC interactions. | 
| org.apache.cayenne.access.jdbc.reader |  | 
| org.apache.cayenne.access.translator |  | 
| org.apache.cayenne.access.translator.batch |  | 
| org.apache.cayenne.access.translator.ejbql |  | 
| org.apache.cayenne.access.translator.procedure |  | 
| org.apache.cayenne.access.translator.select |  | 
| org.apache.cayenne.access.types | Defines an extendable mechanism to map Java types to JDBC types. | 
| org.apache.cayenne.access.util |  | 
| org.apache.cayenne.annotation |  | 
| org.apache.cayenne.ashwood |  | 
| org.apache.cayenne.ashwood.graph |  | 
| org.apache.cayenne.cache |  | 
| org.apache.cayenne.configuration |  | 
| org.apache.cayenne.configuration.osgi |  | 
| org.apache.cayenne.configuration.rop.client |  | 
| org.apache.cayenne.configuration.rop.server |  | 
| org.apache.cayenne.configuration.server |  | 
| org.apache.cayenne.configuration.web |  | 
| org.apache.cayenne.conn |  | 
| org.apache.cayenne.datasource |  | 
| org.apache.cayenne.dba | Contains database adapter API (DbAdapter) and its default implementation. | 
| org.apache.cayenne.dba.db2 | IBM DB2 DbAdapter. | 
| org.apache.cayenne.dba.derby | Apache Derby DbAdapter. | 
| org.apache.cayenne.dba.firebird |  | 
| org.apache.cayenne.dba.frontbase | FrontBase DbAdapter. | 
| org.apache.cayenne.dba.h2 |  | 
| org.apache.cayenne.dba.hsqldb | HSQLDB DbAdapter. | 
| org.apache.cayenne.dba.ingres |  | 
| org.apache.cayenne.dba.mariadb |  | 
| org.apache.cayenne.dba.mysql | MySQL DbAdapter. | 
| org.apache.cayenne.dba.openbase | OpenBase DbAdapter. | 
| org.apache.cayenne.dba.oracle | Oracle DbAdapter. | 
| org.apache.cayenne.dba.postgres | PostgreSQL DbAdapter. | 
| org.apache.cayenne.dba.sqlite |  | 
| org.apache.cayenne.dba.sqlserver | MS SQLServer DbAdapter. | 
| org.apache.cayenne.dba.sybase | Sybase DbAdapter. | 
| org.apache.cayenne.di |  | 
| org.apache.cayenne.di.spi |  | 
| org.apache.cayenne.ejbql |  | 
| org.apache.cayenne.ejbql.parser |  | 
| org.apache.cayenne.event | Contains classes that make up Cayenne generic event dispatch mechanism. | 
| org.apache.cayenne.exp | Cayenne data expression classes. | 
| org.apache.cayenne.exp.parser | Contains expression parser and other expression internals. | 
| org.apache.cayenne.graph | Contains generic graph management tools used in Cayenne. | 
| org.apache.cayenne.log |  | 
| org.apache.cayenne.map | Contains O/R mapping classes that store relational database 
metadata information and map it to Java classes. | 
| org.apache.cayenne.map.event |  | 
| org.apache.cayenne.query | Defines standard queries supported by Cayenne and extension mechanism to create
custom queries. | 
| org.apache.cayenne.reflect |  | 
| org.apache.cayenne.reflect.generic |  | 
| org.apache.cayenne.reflect.valueholder |  | 
| org.apache.cayenne.remote | Contains classes an interfaces related to Cayenne remote object persistence features. | 
| org.apache.cayenne.remote.hessian |  | 
| org.apache.cayenne.remote.hessian.service |  | 
| org.apache.cayenne.remote.service |  | 
| org.apache.cayenne.resource |  | 
| org.apache.cayenne.rop |  | 
| org.apache.cayenne.rop.http |  | 
| org.apache.cayenne.tx |  | 
| org.apache.cayenne.util | General utility classes. | 
| org.apache.cayenne.util.concurrentlinkedhashmap |  | 
| org.apache.cayenne.validation |  | 
| org.apache.cayenne.velocity |  |