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java.lang.Exception

requiring a Throwable, or that was set after creation with the initCause(Throwable) method. While it is typically unnecessary to override this method, a subclass can override it to return a cause set by ... of the toString() method for this object. Remaining lines represent data previously recorded by the method
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javax.persistence.TypedQuery

- if the statement execution exceeds the query timeout value set and only the statement is rolled back PersistenceException - if the query execution exceeds the query timeout value set ... object was set to retrieve. The position of the first result the query object was set to retrieve
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Index Definition

; : } Indexes in Queries ObjectDB manages a BTree for every index. A BTree is an ordered map data ... , but might be still more efficient than iteration over the entities data. A composite index
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DELETE Queries in JPA/JPQL

an alternative way for deleting entity objects. Unlike SELECT queries, which are used to retrieve data from the database, DELETE queries do not retrieve data from the database, but when executed, delete specified
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ObjectDB - Object Database for Java (JPA/JDO)

layer. The result is better performance and faster applications, especially when the object data model ... support for the two standard Java database APIs: Java Persistence API (JPA) Java Data Objects (JDO
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Chapter 2 - JPA Entity Classes

JPA Entity classes are user defined classes whose instances can be stored in a database. To store data in an ObjectDB database using JPA you have to define entity classes that represent your application data object model. This chapter explains how to define and use entity classes.
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Report Generation with BIRT and JPA

This tutorial demonstrates how to create reports based on data in an ObjectDB database using the popular open source Business Intelligence and Reporting Tools (BIRT). In order to keep things as ... on the following subset of these points: (11, 11), (12, 12), ..., (20, 20) The data will be presented in
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javax.jdo.JDOFatalException

setStackTrace(StackTraceElement[] stackTrace) Sets the stack trace elements that will be returned by getStackTrace() and printed by printStackTrace() and related methods. Sets the stack trace elements ... a Throwable, or that was set after creation with the initCause(Throwable) method
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javax.jdo.JDOUserException

.4 void setStackTrace(StackTraceElement[] stackTrace) Sets the stack trace elements that will be returned by getStackTrace() and printed by printStackTrace() and related methods. Sets the stack trace ... via one of the constructors requiring a Throwable, or that was set after creation with the initCause(Throwable) method
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[ODB1] Chapter 2 - A Quick Tour

transaction. Lines 16-26 The data structure of this program is an ArrayList containing String instances. ObjectDB, as a pure object database, can simply store a memory data structure in the database

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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