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51-100 of 200 resultsLeft join fetch behaviour doesn't retrieve children?(); // Try to retrieve parent and children using left join fetch ... ; // Ok my em is now closed, let's check if children are retrieved ... (); // Try to retrieve parent and children using left join fetch em = emf | |
Retrieve data of all entity classes in a single query etc) This is the code I use to retrieve all Managed Types and data for the Athlete class Metamodel ... Zazopoulos You can retrieve all the entity objects using a query on Object: SELECT ... casting and retrieve fields in a generic way using Java reflection. support Support Thanks | |
Missing Data on Retrieval (0, null values) automatically when they are missing, so if you retrieve an object from a database and its class is not ... ().isLoaded(m_object)) em.unwrap(PersistenceManager.class). retrieve (obj); Note | |
Query vs Extent for retrieving data I'm running into a problem where data that is retrieved via a Query comes out null, but when I retrieve it using an Extent everything is present. We have a very simple class: public class PositionReportManagerBean implements InstanceCallbacks { private int maxReports; private List reports; } I | |
Bug: ClassCastException by retrieval tn3 = em.find(tNode.class, 1); System.out.printf("find by retrieval : %s %n",tn3.getTa | |
Retrieval by Access bug? of objectC, and I cant find any reason for that. Could be any bug in ObjectDB when I retrieve by navigation | |
How to retrieve the ObjectDB version number? Hi! We need the ObjectDB version for debug purpose/logging. Our project supports also EclipseLink - http://stackoverflow.com/questions/3493495/getting-database-connection-in-pure-jpa-setup With the Connection object the Database name & version can be retrieved . For ObjectDB | |
retrieve without key? and can't see an option to retrieve an object w/o using a key. can this be done? duetto john cummings You can use a single result query . support Support | |
Immediately retrieve unique idImmediately retrieve unique id | |
Retrieve latest entry in a time-seriesRetrieve latest entry in a time-series | |
Retrieving Metamodel without connectionRetrieving Metamodel without connection | |
Pre-detach loading: retrieval by navigation not working in if statementPre-detach loading: retrieval by navigation not working in if statement | |
JPA Query API which retrieves all the Country objects in the database is represented by both q1 and q2 . When building | |
CRUD Database Operations with JPA Given an EntityManager , em , that represents a JPA connection to the object database, we can use it to store, retrieve , update and delete database objects. Storing New Entity Objects The following code fragment stores 1,000 Point objects in the database: em. getTransaction (). begin | |
ObjectDB 2.9 Developer's Guide to store, retrieve , update and delete database objects.   | |
Deleting JPA Entity Objects Existing entity objects can be deleted from the database either explicitly by invoking the remove method or implicitly as a result of a cascade operation. Explicit Remove In order to delete an object from the database it has to first be retrieved (no matter which way) and then in an active | |
Paths and Types in JPQL and Criteria API). Navigation through a NULL value The following query retrieves country names with their capital city names | |
ObjectDB Object Database Features activation (no activation depth) - objects are retrieved from the database automatically by navigating | |
ObjectDB Overview The ObjectDB Object Database ObjectDB is a powerful Object-Oriented Database Management System (ODBMS). It is compact, reliable, easy to use and extremely fast. ObjectDB provides all the standard database management services (storage and retrieval , transactions, lock management, query | |
Database Explorer only in the Explorer. In your applications - retrieved String instances always have the same | |
retrieval again and again started as already mentioned in other posts the database again and again goes for a retrieval like ... weeks no more retrieval , we continue to watch and inform hgzpincher Hans-Georg Zwicker If there are no more retrieval errors it is excellent news. Thank you for the update. support Support update | |
Lazy retrieval by access not working correctlyLazy retrieval by access not working correctly | |
retrieval tas reports in logretrieval tas reports in log | |
Retrieving Metamodel without ConnectionRetrieving Metamodel without Connection | |
Enable intern() for Retrieved StringsEnable intern() for Retrieved Strings | |
javax.persistence.StoredProcedureQuery through INOUT and OUT parameters can be retrieved . The getOutputParameterValue methods are used to retrieve the values passed back from the procedure through INOUT and OUT parameters. When using REF ... to retrieve the result set. Alternatively, the REF_CURSOR result set can be retrieved | |
javax.persistence.Query was set to retrieve . Returns 0 if setFirstResult was not applied to the query object. Return ... int getMaxResults () The maximum number of results the query object was set to retrieve . Returns ... of the first result to retrieve . Parameters: startPosition - position of the first result, numbered from 0 | |
javax.persistence.TypedQuery to retrieve . Returns 0 if setFirstResult was not applied to the query object. Return: position of the first ... () The maximum number of results the query object was set to retrieve . Returns Integer.MAX_VALUE ... TypedQuery setFirstResult (int startPosition) Set the position of the first result to retrieve | |
Getting Started with JPA This tutorial demonstrates how to create and run a simple JPA application. The demonstrated application uses JPA to store and retrieve simple Point entity objects, where each Point has two persistent fields - x and y . If you already know JPA - the source code | |
Step 5: Add a JSP Page that have already signed (which are retrieved from the request's "guests" attribute that is set by the servlet in | |
Step 5: Add a JSP Page the guestbook, followed by a list of all the guests that have already signed (which are retrieved | |
Step 5: Add a JSP Page the guestbook, followed by a list of all the guests that have already signed (which are retrieved from | |
Step 4: Add a Servlet Class entity object is constructed and stored in the database. All the Guest entity objects are retrieved | |
Step 3: Add a Context Listener Class the servlet context - when the web application starts ( contextInitialized ). Retrieves | |
Step 5: Add a JSP Page a list of all the guests that have already signed (which are retrieved from the request's "guests | |
Step 4: Add a Servlet Class the database. All the Guest entity objects are retrieved from the database and stored in the request's | |
Getting Started with JPA and NetBeans This is the NetBeans version of the Quick Start with JPA tutorial. It demonstrates how to create and run a simple JPA application in NetBeans. The demonstrated application uses JPA to store and retrieve simple Point entity objects, where each Point has two persistent fields | |
Step 4: Create an ObjectDB Data Set this tutorial contains Point entity objects. We will use a simple JPQL query that retrieves points with x | |
Query.setMaxResults(maxResult) - JPA Method JPA Method in javax.persistence.Query Query setMaxResults ( int maxResult ) Set the maximum number of results to retrieve . Parameters: maxResult - maximum number of results to retrieve Return: the same query instance Throws: IllegalArgumentException - if the argument is negative Since: JPA 1.0 | |
StoredProcedureQuery.getSingleResult() - JPA Method JPA Method in javax.persistence.StoredProcedureQuery Object getSingleResult () Retrieve a single result from the next result set. The provider will call execute on the query if needed. A REF_CURSOR result set, if any, will be retrieved in the order the REF_CURSOR parameter was registered | |
StoredProcedureQuery.getResultList() - JPA Method JPA Method in javax.persistence.StoredProcedureQuery List getResultList () Retrieve the list of results from the next result set. The provider will call execute on the query if needed. A REF_CURSOR result set, if any, will be retrieved in the order the REF_CURSOR parameter was registered | |
TypedQuery.setMaxResults(maxResult) - JPA Method JPA Method in javax.persistence.TypedQuery TypedQuery setMaxResults ( int maxResult ) Set the maximum number of results to retrieve . Parameters: maxResult - maximum number of results to retrieve Return: the same query instance Throws: IllegalArgumentException - if the argument is negative Since: JPA 2.0 | |
[ODB1] Chapter 4 - JDO Metadata object is retrieved from the database its fields are not ready yet. Only when the program accesses | |
[ODB1] Chapter 1 - About ObjectDB). ObjectDB is Very Fast ObjectDB has very good performance. It can store and retrieve thousands | |
javax.jdo.PersistenceManager. Parameters: key - the key of the object to be removed Since: JDO 2.0 void retrieve (Object pc) Retrieve ... intends to use the instance, and its field values must be retrieved . The PersistenceManager might use policy information about the class to retrieve associated instances. Parameters: pc - the instance | |
PersistenceManager.retrieveAll(useFetchPlan,pcs) - JDO Method;useFetchPlan, Object... pcs ) Retrieve field values of instances from the store ... should be retrieved . The fields in the current fetch group must be retrieved , and the implementation might retrieve more fields than the current fetch group. If the useFetchPlan parameter is false | |
PersistenceManager.retrieveAll(pcs,useFetchPlan) - JDO Method, boolean useFetchPlan ) Retrieve field values of instances from the store ... values should be retrieved . The fields in the current fetch group must be retrieved , and the implementation might retrieve more fields than the current fetch group. If the useFetchPlan parameter is false | |
PersistenceManager.retrieveAll(pcs,useFetchPlan) - JDO Method; boolean useFetchPlan ) Retrieve field values of instances from the store ... should be retrieved . The fields in the current fetch group must be retrieved , and the implementation might retrieve more fields than the current fetch group. If the useFetchPlan parameter is false | |
PersistenceManager.retrieveAll(pcs) - JDO Method ) Retrieve field values of instances from the store. This tells the PersistenceManager that the application intends to use the instances, and all field values must be retrieved . The PersistenceManager might use policy information about the class to retrieve associated instances. Parameters: pcs - the instances Since: JDO 1.0 | |
PersistenceManager.retrieveAll(pcs) - JDO Method ) Retrieve field values of instances from the store. This tells the PersistenceManager that the application intends to use the instances, and all field values must be retrieved . The PersistenceManager might use policy information about the class to retrieve associated instances. Parameters: pcs - the instances Since: JDO 1.0 |