org.eclipse.persistence.jpa.jpql.parser.WhereClause.getConditionalExpression()方法的使用及代码示例

x33g5p2x  于2022-02-03 转载在 其他  
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本文整理了Java中org.eclipse.persistence.jpa.jpql.parser.WhereClause.getConditionalExpression()方法的一些代码示例，展示了WhereClause.getConditionalExpression()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。WhereClause.getConditionalExpression()方法的具体详情如下：
包路径：org.eclipse.persistence.jpa.jpql.parser.WhereClause
类名称：WhereClause
方法名：getConditionalExpression

WhereClause.getConditionalExpression介绍

暂无

代码示例

代码示例来源：origin: Impetus/Kundera

  1. /**
  2.  * Sets the filters from where clause.
  3.  * 
  4.  * @param query
  5.  *            the query
  6.  * @param m
  7.  *            the m
  8.  * @param useLuceneOrES
  9.  *            the use lucene or es
  10.  * @return the filters from where clause
  11.  */
  12. private Filter getFiltersFromWhereClause(KunderaQuery query, EntityMetadata m, Boolean useLuceneOrES)
  13. {
  14.   String idColumn = ((AbstractAttribute) m.getIdAttribute()).getJPAColumnName();
  15.   WhereClause whereClause = KunderaQueryUtils.getWhereClause(query.getJpqlExpression());
  16.   if (whereClause != null)
  17.   {
  18.     this.isWhereOrAggregation = true;
  19.     if (!useLuceneOrES)
  20.       return traverse(whereClause.getConditionalExpression(), m, idColumn);
  21.   }
  22.   return null;
  23. }

代码示例来源：origin: Impetus/Kundera

  1. /**
  2.  * Inits the filter.
  3.  */
  4. private void initFilter() {
  5.   EntityMetadata metadata = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, entityClass);
  6.   Metamodel metaModel = kunderaMetadata.getApplicationMetadata().getMetamodel(getPersistenceUnit());
  7.   EntityType entityType = metaModel.entity(entityClass);
  8.   if (null == filter) {
  9.     List<String> clauses = new ArrayList<String>();
  10.     addDiscriminatorClause(clauses, entityType);
  11.     return;
  12.   }
  13.   WhereClause whereClause = KunderaQueryUtils.getWhereClause(getJpqlExpression());
  14.   KunderaQueryUtils.traverse(whereClause.getConditionalExpression(), metadata, kunderaMetadata, this, false);
  15.   for (Object filterClause : filtersQueue) {
  16.     if (!(filterClause instanceof String)) {
  17.       onTypedParameter(((FilterClause) filterClause));
  18.     }
  19.   }
  20.   addDiscriminatorClause(null, entityType);
  21. }

代码示例来源：origin: Impetus/Kundera

  1. @Override
  2. protected List<Object> populateEntities(EntityMetadata m, Client client)
  3. {
  4.   MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
  5.       m.getPersistenceUnit());
  6.   EntityType entity = metaModel.entity(m.getEntityClazz());
  7.   Expression whereExpression = KunderaQueryUtils.getWhereClause(kunderaQuery.getJpqlExpression());
  8.   QueryBuilder filter = whereExpression == null || whereExpression instanceof NullExpression ? null
  9.       : esFilterBuilder.populateFilterBuilder(((WhereClause) whereExpression).getConditionalExpression(), m);
  10.   return ((ESClient) client).executeQuery(filter, buildAggregation(kunderaQuery, m, filter), m,
  11.       getKunderaQuery(),this.firstResult, this.maxResult);
  12. }

代码示例来源：origin: Impetus/Kundera

  1. /**
  2.  * Compile where.
  3.  */
  4. private void compileWhere()
  5. {
  6.   WhereClause whereClause = null;
  7.   if (query.isSelectStatement())
  8.   {
  9.     whereClause = (WhereClause) query.getSelectStatement().getWhereClause();
  10.   }
  11.   else if (query.isUpdateStatement())
  12.   {
  13.     whereClause = (WhereClause) query.getUpdateStatement().getWhereClause();
  14.   }
  15.   if (query.isDeleteStatement())
  16.   {
  17.     whereClause = (WhereClause) query.getDeleteStatement().getWhereClause();
  18.   }
  19.   String content = whereClause.getConditionalExpression().toActualText();
  20.   if (whereClause != null && content.length() == 0)
  21.   {
  22.     throw new JPQLParseException("keyword without value[WHERE]");
  23.   }
  24.   query.setFilter(content);
  25. }

代码示例来源：origin: Impetus/Kundera

  1. @Override
  2. public Map<String, Object> search(KunderaMetadata kunderaMetadata, KunderaQuery kunderaQuery,
  3.     PersistenceDelegator persistenceDelegator, EntityMetadata m, int firstResult, int maxResults)
  4. {
  5.   ESQuery query = new ESQuery<>(kunderaQuery, persistenceDelegator, kunderaMetadata);
  6.   MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata()
  7.       .getMetamodel(m.getPersistenceUnit());
  8.   Expression whereExpression = KunderaQueryUtils.getWhereClause(kunderaQuery.getJpqlExpression());
  9.   QueryBuilder filter = whereExpression != null ? query.getEsFilterBuilder()
  10.       .populateFilterBuilder(((WhereClause) whereExpression).getConditionalExpression(), m) : null;
  11.   FilteredQueryBuilder queryBuilder = QueryBuilders.filteredQuery(null, filter);
  12.   SearchResponse response = getSearchResponse(kunderaQuery, queryBuilder, filter, query, m, firstResult,
  13.       maxResults, kunderaMetadata);
  14.   return buildResultMap(response, kunderaQuery, m, metaModel);
  15. }

代码示例来源：origin: Impetus/Kundera

  1. Expression whereExp = whereClause.getConditionalExpression();

代码示例来源：origin: Impetus/Kundera

  1. Expression whereExp = whereClause.getConditionalExpression();
  2. filter = table.filter(parseAndBuildFilters(entityType, whereExp));

代码示例来源：origin: Impetus/Kundera

  1. Expression whereExp = whereClause.getConditionalExpression();
  2. parseAndBuildFilters(entityType, scannerBuilder, whereExp);

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.jpa.jpql

  1. /**
  2.    * {@inheritDoc}
  3.    */
  4.   @Override
  5.   public void visit(WhereClause expression) {
  6.     clause = WHERE;
  7.     expression.getConditionalExpression().accept(this);
  8.     clause = null;
  9.   }
  10. }

代码示例来源：origin: com.haulmont.thirdparty/eclipselink

  1. /**
  2.  * {@inheritDoc}
  3.  */
  4. @Override
  5. public void visit(WhereClause expression) {
  6.   expression.getConditionalExpression().accept(this);
  7. }

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.core

  1. /**
  2.  * {@inheritDoc}
  3.  */
  4. @Override
  5. public void visit(WhereClause expression) {
  6.   expression.getConditionalExpression().accept(this);
  7. }

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.jpa.jpql

  1. /**
  2.  * {@inheritDoc}
  3.  */
  4. public void visit(WhereClause expression) {
  5.   expression.getConditionalExpression().accept(this);
  6. }

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.jpa.jpql

  1. /**
  2.  * {@inheritDoc}
  3.  */
  4. @Override
  5. public void visit(WhereClause expression) {
  6.   expression.getConditionalExpression().accept(this);
  7. }

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.core

  1. /**
  2.  * {@inheritDoc}
  3.  */
  4. @Override
  5. public void visit(WhereClause expression) {
  6.   expression.getConditionalExpression().accept(this);
  7. }

代码示例来源：origin: com.haulmont.thirdparty/eclipselink

  1. /**
  2.  * {@inheritDoc}
  3.  */
  4. @Override
  5. public void visit(WhereClause expression) {
  6.   expression.getConditionalExpression().accept(this);
  7. }

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.jpa.jpql

  1. /**
  2.    * {@inheritDoc}
  3.    */
  4.   @Override
  5.   public void visit(WhereClause expression) {
  6.     if (expression.hasConditionalExpression()) {
  7.       conditionalExpression = true;
  8.       expression.getConditionalExpression().accept(this);
  9.       conditionalExpression = false;
  10.     }
  11.   }
  12. }

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.jpa.jpql

  1. /**
  2.    * {@inheritDoc}
  3.    */
  4.   @Override
  5.   public void visit(WhereClause expression) {
  6.     WhereClauseStateObject whereClause = stateObject.addWhereClause();
  7.     whereClause.setExpression(expression);
  8.     expression.getConditionalExpression().accept(BasicStateObjectBuilder.this);
  9.     StateObject conditionalStateObject = BasicStateObjectBuilder.this.stateObject;
  10.     whereClause.setConditional(conditionalStateObject);
  11.   }
  12. }

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.jpa.jpql

  1. /**
  2.    * {@inheritDoc}
  3.    */
  4.   @Override
  5.   public void visit(WhereClause expression) {
  6.     WhereClauseStateObject whereClause = stateObject.addWhereClause();
  7.     whereClause.setExpression(expression);
  8.     StateObject stateObject = buildStateObjectImp(expression.getConditionalExpression());
  9.     whereClause.setConditional(stateObject);
  10.   }
  11. }

代码示例来源：origin: com.impetus.kundera.client/kundera-elastic-search

  1. @Override
  2. protected List<Object> populateEntities(EntityMetadata m, Client client)
  3. {
  4.   MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
  5.       m.getPersistenceUnit());
  6.   EntityType entity = metaModel.entity(m.getEntityClazz());
  7.   Expression whereExpression = KunderaQueryUtils.getWhereClause(kunderaQuery.getJpqlExpression());
  8.   QueryBuilder filter = whereExpression == null || whereExpression instanceof NullExpression ? null
  9.       : esFilterBuilder.populateFilterBuilder(((WhereClause) whereExpression).getConditionalExpression(), m);
  10.   return ((ESClient) client).executeQuery(filter, buildAggregation(kunderaQuery, m, filter), m,
  11.       getKunderaQuery(),this.firstResult, this.maxResult);
  12. }

代码示例来源：origin: com.impetus.kundera.client/kundera-elastic-search

  1. @Override
  2. public Map<String, Object> search(KunderaMetadata kunderaMetadata, KunderaQuery kunderaQuery,
  3.     PersistenceDelegator persistenceDelegator, EntityMetadata m, int firstResult, int maxResults)
  4. {
  5.   ESQuery query = new ESQuery<>(kunderaQuery, persistenceDelegator, kunderaMetadata);
  6.   MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata()
  7.       .getMetamodel(m.getPersistenceUnit());
  8.   Expression whereExpression = KunderaQueryUtils.getWhereClause(kunderaQuery.getJpqlExpression());
  9.   QueryBuilder filter = whereExpression != null ? query.getEsFilterBuilder()
  10.       .populateFilterBuilder(((WhereClause) whereExpression).getConditionalExpression(), m) : null;
  11.   FilteredQueryBuilder queryBuilder = QueryBuilders.filteredQuery(null, filter);
  12.   SearchResponse response = getSearchResponse(kunderaQuery, queryBuilder, filter, query, m, firstResult,
  13.       maxResults, kunderaMetadata);
  14.   return buildResultMap(response, kunderaQuery, m, metaModel);
  15. }

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