ff-attic/tpquery
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Added javadoc

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Willem 2015-06-19 23:56:45 +02:00
parent f1f101fde3
commit 6ddd2c969b
44 changed files with 382 additions and 71 deletions
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tpquery-executor-jpa/src/main/java/net/forwardfire/tpquery/store/executor/jpa/TPQExecutorJpa.java
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@ -32,21 +32,47 @@ import net.forwardfire.tpquery.TPQFactory;
import net.forwardfire.tpquery.store.executor.AbstractTPQExecutor;
import net.forwardfire.tpquery.store.executor.TPQExecutorContext;
/**
* The jpa query executor.
*
* @author Willem Cazander
* @version 1.0 Jan 14, 2015
*/
public class TPQExecutorJpa extends AbstractTPQExecutor<EntityManager,Query> {
private static final String HINT_TIMEOUT = "javax.persistence.query.timeout";
/**
* Created the jpa query executor.
* @param context The executor context.
*/
public TPQExecutorJpa(TPQExecutorContext context) {
super(context);
registrateStatementCreator(TPQFactory.StatementLanguage.HQL, (em,stmt) -> em.createQuery(stmt));
registrateStatementCreator(TPQFactory.StatementLanguage.SQL, (em,stmt) -> em.createNativeQuery(stmt));
}
/**
* Selects a List of object from the database.
* @param entityManager The entity manager to query.
* @param queryName The query name to execute.
* @param parameters The parameter for the query.
* @param <E> The object type.
* @return The List of objects.
*/
@SuppressWarnings("unchecked")
public <E> List<E> selectList(EntityManager entityManager,String queryName,Map<String,Object> parameters) {
return createPreparedStatement(entityManager, queryName, parameters).getResultList();
}
/**
* Selects a single object from the database.
* @param entityManager The entity manager to query.
* @param queryName The query name to execute.
* @param parameters The parameter for the query.
* @param <E> The object type.
* @return The object.
*/
@SuppressWarnings("unchecked")
public <E> E selectObject(EntityManager entityManager,String queryName,Map<String,Object> parameters) {
return (E)createPreparedStatement(entityManager, queryName, parameters).getSingleResult();