| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| ******************************************************************************/ |
| package org.apache.olingo.odata2.jpa.processor.core.jpql; |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.olingo.odata2.api.edm.EdmEntityType; |
| import org.apache.olingo.odata2.api.edm.EdmException; |
| import org.apache.olingo.odata2.api.edm.EdmMapping; |
| import org.apache.olingo.odata2.api.uri.KeyPredicate; |
| import org.apache.olingo.odata2.api.uri.info.GetEntityUriInfo; |
| import org.apache.olingo.odata2.jpa.processor.api.exception.ODataJPAModelException; |
| import org.apache.olingo.odata2.jpa.processor.api.exception.ODataJPARuntimeException; |
| import org.apache.olingo.odata2.jpa.processor.api.jpql.JPQLContext; |
| import org.apache.olingo.odata2.jpa.processor.api.jpql.JPQLContextType; |
| import org.apache.olingo.odata2.jpa.processor.api.jpql.JPQLSelectSingleContextView; |
| |
| public class JPQLSelectSingleContext extends JPQLContext implements JPQLSelectSingleContextView { |
| |
| private String selectExpression; |
| private List<KeyPredicate> keyPredicates; |
| protected Map<String, Map<Integer, Object>> parameterizedQueryMap; |
| protected String jpqlStatement; |
| |
| protected void setKeyPredicates(final List<KeyPredicate> keyPredicates) { |
| this.keyPredicates = keyPredicates; |
| } |
| |
| @Override |
| public List<KeyPredicate> getKeyPredicates() { |
| return keyPredicates; |
| } |
| |
| protected final void setSelectExpression(final String selectExpression) { |
| this.selectExpression = selectExpression; |
| } |
| |
| protected final void setParameterizedQueryMap( |
| final Map<String, Map<Integer, Object>> parameterizedQueryMap) { |
| this.parameterizedQueryMap = parameterizedQueryMap; |
| } |
| |
| @Override |
| public String getSelectExpression() { |
| return selectExpression; |
| } |
| |
| @Override |
| public Map<String, Map<Integer, Object>> getParameterizedQueryMap() { |
| return parameterizedQueryMap; |
| } |
| |
| public class JPQLSelectSingleContextBuilder extends |
| org.apache.olingo.odata2.jpa.processor.api.jpql.JPQLContext.JPQLContextBuilder { |
| |
| protected GetEntityUriInfo entityView; |
| |
| @Override |
| public JPQLContext build() throws ODataJPAModelException, ODataJPARuntimeException { |
| if (entityView != null) { |
| |
| try { |
| |
| setType(JPQLContextType.SELECT_SINGLE); |
| |
| EdmEntityType entityType = entityView.getTargetEntitySet().getEntityType(); |
| EdmMapping mapping = entityType.getMapping(); |
| if (mapping != null) { |
| setJPAEntityName(mapping.getInternalName()); |
| } else { |
| setJPAEntityName(entityType.getName()); |
| } |
| |
| setJPAEntityAlias(generateJPAEntityAlias()); |
| |
| setKeyPredicates(entityView.getKeyPredicates()); |
| |
| setSelectExpression(generateSelectExpression()); |
| |
| setJPQLContext(JPQLSelectSingleContext.this); |
| |
| } catch (EdmException e) { |
| throw ODataJPARuntimeException.throwException(ODataJPARuntimeException.GENERAL.addContent(e.getMessage()), e); |
| } |
| |
| } |
| |
| return JPQLSelectSingleContext.this; |
| |
| } |
| |
| @Override |
| protected void setResultsView(final Object resultsView) { |
| if (resultsView instanceof GetEntityUriInfo) { |
| entityView = (GetEntityUriInfo) resultsView; |
| } |
| |
| } |
| |
| /* |
| * Generate Select Clause |
| */ |
| protected String generateSelectExpression() throws EdmException { |
| return getJPAEntityAlias(); |
| } |
| } |
| |
| @Override |
| public void setJPQLStatement(String jpqlStatement) { |
| this.jpqlStatement = jpqlStatement; |
| } |
| |
| @Override |
| public String getJPQLStatement() { |
| return jpqlStatement; |
| } |
| } |