本文整理汇总了Java中org.eclipse.persistence.config.QueryHints类的典型用法代码示例。如果您正苦于以下问题：Java QueryHints类的具体用法？Java QueryHints怎么用？Java QueryHints使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
QueryHints类属于org.eclipse.persistence.config包，在下文中一共展示了QueryHints类的18个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Java代码示例。
示例1: findAll
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
@Override
public FindOIDsResult<O> findAll(final UserContext userContext) {
CriteriaBuilder builder = _entityManager.getCriteriaBuilder();
// use projections to return ONLY the oid (see http://stackoverflow.com/questions/12618489/jpa-criteria-api-select-only-specific-columns)
CriteriaQuery<Tuple> query = builder.createTupleQuery();
Root<DB> root = query.from(_DBEntityType);
if (Facetables.hasFacet(_modelObjectType,HasVersionableFacet.class)) {
query.multiselect(root.get("_oid"),
root.get("_version"));
} else {
query.multiselect(root.get("_oid"));
}
List<Tuple> tupleResult = _entityManager.createQuery(query)
.setHint(QueryHints.READ_ONLY,HintValues.TRUE)
.getResultList();
FindOIDsResult<O> outOids = _buildResultsFromOids(userContext,
tupleResult);
return outOids;
}
开发者ID:opendata-euskadi，项目名称:r01fb，代码行数:21，代码来源:DBFindForModelObjectBase.java
示例2: test
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
@Test
public void test() {
Query query = entityManager.createQuery("select p from Password p");
query.setHint(QueryHints.LEFT_FETCH, "p.normalUser.employmentContacts");
Field f = ReflectionUtils.findField(((EJBQueryImpl) query).getDatabaseQuery().getClass(), "joinedAttributeManager");
f.setAccessible(true);
JoinedAttributeManager old = (JoinedAttributeManager) ReflectionUtils.getField(f, ((EJBQueryImpl) query).getDatabaseQuery());
FixedJoinerAttributeManager newManager = new FixedJoinerAttributeManager(old.getDescriptor(), old.getBaseExpressionBuilder(), old.getBaseQuery());
newManager.copyFrom(old);
ReflectionUtils.setField(f, ((EJBQueryImpl) query).getDatabaseQuery(), newManager);
query.setMaxResults(1);
List<Password> passwords = query.getResultList();
Assert.assertFalse(passwords.isEmpty());
for (Password password : passwords) {
Assert.assertTrue(Persistence.getPersistenceUtil().isLoaded(password, "normalUser"));
Assert.assertTrue(Persistence.getPersistenceUtil().isLoaded(password.getNormalUser(), "employmentContacts"));
}
}
开发者ID:encircled，项目名称:Joiner，代码行数:25，代码来源:InheritanceJoiningCustomizerTest.java
示例3: testNestedAssociationOnChildFetched
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
@Test
public void testNestedAssociationOnChildFetched() {
Query query = entityManager.createQuery("select u from User u left join treat (u.contacts as Phone) p left join fetch p.statuses s");
query.setHint(QueryHints.LEFT_FETCH, "u.contacts.statuses");
List<User> users = query.getResultList();
boolean hasStatus = false;
Assert.assertFalse(users.isEmpty());
for (User user : users) {
Assert.assertTrue(Persistence.getPersistenceUtil().isLoaded(user, "contacts"));
for (Contact contact : user.getContacts()) {
Assert.assertTrue(Persistence.getPersistenceUtil().isLoaded(contact, "statuses"));
if (contact instanceof Phone) {
if (!((Phone) contact).getStatuses().isEmpty()) {
hasStatus = true;
}
}
}
}
Assert.assertTrue(hasStatus);
}
开发者ID:encircled，项目名称:Joiner，代码行数:24，代码来源:InheritanceJoiningCustomizerTest.java
示例4: addView
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
public void addView(JpaQuery query, String queryString, View view, boolean singleResultExpected) {
Preconditions.checkNotNullArgument(query, "query is null");
Preconditions.checkNotNullArgument(view, "view is null");
Map<String, Object> hints = query.getHints();
AttributeGroup ag = null;
if (view.loadPartialEntities()) {
if (hints != null)
ag = (FetchGroup) hints.get(QueryHints.FETCH_GROUP);
if (ag == null)
ag = new FetchGroup();
} else {
if (hints != null)
ag = (LoadGroup) hints.get(QueryHints.LOAD_GROUP);
if (ag == null)
ag = new LoadGroup();
}
applyView(query, queryString, ag, view, singleResultExpected);
}
开发者ID:cuba-platform，项目名称:cuba，代码行数:21，代码来源:FetchGroupManager.java
示例5: findByCreateDate
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
@Override
public FindOIDsResult<O> findByCreateDate(final UserContext userContext,
final Range<Date> createDate) {
CriteriaBuilder builder = _entityManager.getCriteriaBuilder();
// use projections to return ONLY the oid (see http://stackoverflow.com/questions/12618489/jpa-criteria-api-select-only-specific-columns)
CriteriaQuery<Tuple> query = builder.createTupleQuery();
Root<DB> root = query.from(_DBEntityType);
if (Facetables.hasFacet(_modelObjectType,HasVersionableFacet.class)) {
query.multiselect(root.get("_oid"),
root.get("_version"));
} else {
query.multiselect(root.get("_oid"));
}
Predicate where = _buildDateRangePredicate(builder,root,"_createDate",
createDate);
if (where != null) query.where(where);
List<Tuple> tupleResult = _entityManager.createQuery(query)
.setHint(QueryHints.READ_ONLY,HintValues.TRUE)
.getResultList();
FindOIDsResult<O> outOids = _buildResultsFromOids(userContext,
tupleResult);
return outOids;
}
开发者ID:opendata-euskadi，项目名称:r01fb，代码行数:25，代码来源:DBFindForModelObjectBase.java
示例6: findByLastUpdateDate
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
@Override
public FindOIDsResult<O> findByLastUpdateDate(final UserContext userContext,
final Range<Date> lastUpdateDate) {
CriteriaBuilder builder = _entityManager.getCriteriaBuilder();
// use projections to return ONLY the oid (see http://stackoverflow.com/questions/12618489/jpa-criteria-api-select-only-specific-columns)
CriteriaQuery<Tuple> query = builder.createTupleQuery();
Root<DB> root = query.from(_DBEntityType);
if (Facetables.hasFacet(_modelObjectType,HasVersionableFacet.class)) {
query.multiselect(root.get("_oid"),
root.get("_version"));
} else {
query.multiselect(root.get("_oid"));
}
Predicate where = _buildDateRangePredicate(builder,root,"_lastUpdateDate",
lastUpdateDate);
if (where != null) query.where(where);
List<Tuple> tupleResult = _entityManager.createQuery(query)
.setHint(QueryHints.READ_ONLY,HintValues.TRUE)
.getResultList();
FindOIDsResult<O> outOids = _buildResultsFromOids(userContext,
tupleResult);
return outOids;
}
开发者ID:opendata-euskadi，项目名称:r01fb，代码行数:25，代码来源:DBFindForModelObjectBase.java
示例7: findByCreator
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
@Override
public FindOIDsResult<O> findByCreator(final UserContext userContext,
final UserCode creatorUserCode) {
CriteriaBuilder builder = _entityManager.getCriteriaBuilder();
// use projections to return ONLY the oid (see http://stackoverflow.com/questions/12618489/jpa-criteria-api-select-only-specific-columns)
CriteriaQuery<Tuple> query = builder.createTupleQuery();
Root<DB> root = query.from(_DBEntityType);
if (Facetables.hasFacet(_modelObjectType,HasVersionableFacet.class)) {
query.multiselect(root.get("_oid"),
root.get("_version"));
} else {
query.multiselect(root.get("_oid"));
}
Predicate where = _buildUserPredicate(builder,root,"_creator",
creatorUserCode);
if (where != null) query.where(where);
List<Tuple> tupleResult = _entityManager.createQuery(query)
.setHint(QueryHints.READ_ONLY,HintValues.TRUE)
.getResultList();
FindOIDsResult<O> outOids = _buildResultsFromOids(userContext,
tupleResult);
return outOids;
}
开发者ID:opendata-euskadi，项目名称:r01fb，代码行数:25，代码来源:DBFindForModelObjectBase.java
示例8: findByLastUpdator
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
@Override
public FindOIDsResult<O> findByLastUpdator(final UserContext userContext,
final UserCode lastUpdatorUserCode) {
CriteriaBuilder builder = _entityManager.getCriteriaBuilder();
// use projections to return ONLY the oid (see http://stackoverflow.com/questions/12618489/jpa-criteria-api-select-only-specific-columns)
CriteriaQuery<Tuple> query = builder.createTupleQuery();
Root<DB> root = query.from(_DBEntityType);
if (Facetables.hasFacet(_modelObjectType,HasVersionableFacet.class)) {
query.multiselect(root.get("_oid"),
root.get("_version"));
} else {
query.multiselect(root.get("_oid"));
}
Predicate where = _buildUserPredicate(builder,root,"_lastUpdator",
lastUpdatorUserCode);
if (where != null) query.where(where);
List<Tuple> tupleResult = _entityManager.createQuery(query)
.setHint(QueryHints.READ_ONLY,HintValues.TRUE)
.getResultList();
FindOIDsResult<O> outOids = _buildResultsFromOids(userContext,
tupleResult);
return outOids;
}
开发者ID:opendata-euskadi，项目名称:r01fb，代码行数:25，代码来源:DBFindForModelObjectBase.java
示例9: findByData
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
/**
* Return the vertex with the given data.
*/
public synchronized Vertex findByData(Object data) {
if (data == null) {
return null;
}
Vertex vertex = this.verticesByData.get(data);
if (vertex != null) {
return vertex;
}
Query query = getEntityManager().createNamedQuery("findVertexByData");
query.setHint(QueryHints.READ_ONLY, true);
query.setParameter("data", BasicVertex.convertDataValue(data));
query.setParameter("type", BasicVertex.convertDataType(data));
try {
vertex = (Vertex)query.getSingleResult();
if (this.verticesByData.size() < MAX_SIZE) {
this.verticesByData.put(vertex.getData(), vertex);
}
return vertex;
} catch (NoResultException notFound) {
return null;
}
}
开发者ID:BotLibre，项目名称:BotLibre，代码行数:26，代码来源:DatabaseReadOnlyNetwork.java
示例10: count
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
/**
*
* @return
*/
public Long count() {
EntityManager em = getEntityManager();
try {
CriteriaQuery cq = createCriteriaQuery();
Root<T> root = cq.from(entityBeanType);
Predicate predicate = createPredicate(root);
if (predicate == null) {
cq.select(getCriteriaBuilder().count(root));
} else {
cq.select(getCriteriaBuilder().count(root)).where(predicate);
}
Query q = em.createQuery(cq);
q.setHint(QueryHints.REFRESH, HintValues.TRUE);
Long retorno = ((Long) q.getSingleResult()).longValue();
return retorno;
} finally {
closeIfNeeded(em);
}
}
开发者ID:Godesk，项目名称:JPAUtils，代码行数:24，代码来源:EasyCriteriaQuery.java
示例11: hasNext
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
@Override
public boolean hasNext() {
EntityManager em = getEntityManager();
try {
if (getLastResult() > 0) {
if (firstResult >= getLastResult()) {
return false;
}
if ((firstResult + maxResults) > getLastResult()) {
setMaxResults(getLastResult() - firstResult);
}
}
TypedQuery<T> query = createQuery(em);
query.setHint(QueryHints.REFRESH, HintValues.TRUE);
list = query.getResultList();
setFirstResult(firstResult + maxResults);
return !list.isEmpty();
} finally {
closeIfNeeded(em);
}
}
开发者ID:Godesk，项目名称:JPAUtils，代码行数:22，代码来源:EasyCriteriaQuery.java
示例12: assignReadOnlyResults
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
/**
* @return {@link JpaBaseQueryPO}
*/
public JpaBaseQueryPO assignReadOnlyResults() {
final String methodName = "assignReadOnlyResults";
try {
getQuery().setHint(QueryHints.READ_ONLY, HintValues.TRUE);
} catch (final Exception e) {
// TODO: Can we determine query category?
throw new PersistenceException(new JpcBasicExceptionPO().setClassName(JpaBaseQueryPO.CLASS_NAME)
.setMethodName(methodName).setMessage(
"The hint [" + QueryHints.READ_ONLY + "] is not supported with this query category."),
e);
}
return this;
}
开发者ID:gtcGroup，项目名称:jped-parent-project，代码行数:20，代码来源:JpaBaseQueryPO.java
示例13: findAllWithGraph
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
@Override
public List<E> findAllWithGraph(EntityGraph<E> graph) {
String sql = "SELECT o FROM " + getTableName() + " o";
TypedQuery<E> query = entityManager.createQuery(sql, getEntityClass());
query.setHint(QueryHints.JPA_LOAD_GRAPH, graph);
return query.getResultList();
}
开发者ID:viydaag，项目名称:dungeonstory-java，代码行数:10，代码来源:AbstractRepository.java
示例14: setView
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
public void setView(JpaQuery query, String queryString, @Nullable View view, boolean singleResultExpected) {
Preconditions.checkNotNullArgument(query, "query is null");
if (view != null) {
AttributeGroup ag = view.loadPartialEntities() ? new FetchGroup() : new LoadGroup();
applyView(query, queryString, ag, view, singleResultExpected);
} else {
query.setHint(QueryHints.FETCH_GROUP, null);
}
}
开发者ID:cuba-platform，项目名称:cuba，代码行数:10，代码来源:FetchGroupManager.java
示例15: getAllResultList
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
public List<T> getAllResultList() {
EntityManager em = getEntityManager();
try {
// this.all = true;
TypedQuery<T> query = createQuery(em);
query.setHint(QueryHints.REFRESH, HintValues.TRUE);
return query.getResultList();
} finally {
closeIfNeeded(em);
}
}
开发者ID:Godesk，项目名称:JPAUtils，代码行数:12，代码来源:EasyCriteriaQuery.java
示例16: getSingleResult
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
public T getSingleResult() {
EntityManager em = getEntityManager();
try {
this.all = true;
TypedQuery<T> query = createQuery(em);
query.setHint(QueryHints.REFRESH, HintValues.TRUE);
return query.getSingleResult();
} finally {
closeIfNeeded(em);
}
}
开发者ID:Godesk，项目名称:JPAUtils，代码行数:12，代码来源:EasyCriteriaQuery.java
示例17: executeNamedQueryPagingReadOnly
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
/**
* @param <ENTITY>
* @param name
* @param pagingPO
* @return {@link JpaBasicQueryPO}
*/
public <ENTITY> List<ENTITY> executeNamedQueryPagingReadOnly(final String name, final JpaBasicPagingPO pagingPO) {
final String methodName = "executeNamedQueryPagingReadOnly";
final JpcPerformanceTimerPO performanceTimerPO = new JpcPerformanceTimerPO();
EntityManager entityManager = null;
final List<ENTITY> entityList;
try {
entityManager = createEntityManagerThatShouldBeClosed();
final Query query = entityManager.createNamedQuery(name);
query.setHint(QueryHints.JDBC_FIRST_RESULT, new Integer(pagingPO.getFirstResult()))
.setHint(QueryHints.JDBC_MAX_ROWS, new Integer(pagingPO.getMaxRows()));
final JpaBasicQueryPO queryPO = new JpaBasicQueryPO(entityManager, JpaQueryTypeConstants.NAMED_QUERY, query)
.assignReadOnlyResults();
entityList = JpaBaseQueryRM.QUERY_HELPER.getResultList(queryPO);
} finally {
closeEntityManager(entityManager);
}
// TODO: clarify message
performanceTimerPO.logPerformance(JpaBasePagingRM.CLASS_NAME, methodName, JpaBaseEntityManagerRM.logger, "TODO");
return entityList;
}
开发者ID:gtcGroup，项目名称:jped-parent-project，代码行数:36，代码来源:JpaBasePagingRM.java
示例18: setHints
import org.eclipse.persistence.config.QueryHints; //导入依赖的package包/类
public void setHints(Query query) {
query.setHint(QueryHints.READ_ONLY, true);
}
开发者ID:BotLibre，项目名称:BotLibre，代码行数:4，代码来源:DatabaseReadOnlyNetwork.java
注：本文中的org.eclipse.persistence.config.QueryHints类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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