About true
Logical Operators in JPQL and Criteria API
Explains how to use AND, OR and NOT in JPQL queries.... A valid operand of an AND operator must be one of: TRUE, FALSE , and NULL . The following table shows how the ... TRUE FALSE NULL ...
Literals in JPQL and Criteria Queries
Describes literals in JPQL, including null, false, true, numbers, strings, dates enums and types.... types of literals including NULL , boolean literals ( TRUE and FALSE ), numeric literals (e.g. 100 ), string literals (e.g. ... to Java and SQL, JPQL supports two boolean literals - TRUE and FALSE . Since JPQL is case insensitive, TRUE is equivalent to ...
Comparison in JPQL and Criteria API
Explains how comparison operators can be used in JPQL queries, including in comparing null values.... FALSE TRUE != TRUE FALSE Comparison ...
isTrue(x)
Create a predicate testing for a true value.(Method of javax.persistence.criteria.CriteriaBuilder)
javax.jdo.Transaction
The JDO Transaction interface provides for initiation and completion of transactions under user control.(Interface of JDO)
TemporalType injection with Calendar using JPA
I have ObjectDB JPA comsummed by a RESTful web service deployed on Tomcat. I am using an embedded object as a primary key, which has time fields which I have annotated with TemporalType.TIMESTAMP When I use a java.util.Date as a field on this object there is no problem. However, if I use a java.util.Calendar it encounters an exception. Calendar is what I need. Is there something obvious here that I am failing to see? #1 2011-05-30 17:15 I have ObjectDB JPA comsummed by a RESTful web service deployed on Tomcat. I am using an embe ...
javax.jdo.PersistenceManager
PersistenceManager is the primary interface for JDO-aware application components.(Interface of JDO)
javax.jdo.spi.StateManager
This interface is the point of contact between managed instances of PersistenceCapable classes and the JDO implementation.(Interface of JDO)
[ODB1] Chapter 4 - JDO Metadata
Shows how to define JDO metadata for persistence capable classes.... package name, has to be specified. requires-extent (true | false) By default, JDO manages an extent for every persistent class. ... <field name = "f3" default-fetch-group = "true" /> <field name = "f4" default-fetch-group ...
javax.jdo.spi.PersistenceCapable
A class that can be managed by a binary-compatible JDO implementation must implement this interface.(Interface of JDO)
