oracle.toplink.essentials.queryframework.ResultSetMappingQuery Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* // Copyright (c) 1998, 2007, Oracle. All rights reserved.
*
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package oracle.toplink.essentials.queryframework;
import java.util.*;
import oracle.toplink.essentials.internal.localization.ExceptionLocalization;
import oracle.toplink.essentials.exceptions.QueryException;
import oracle.toplink.essentials.exceptions.DatabaseException;
import oracle.toplink.essentials.internal.sessions.UnitOfWorkImpl;
import oracle.toplink.essentials.sessions.DatabaseRecord;
/**
* Purpose:
* Concrete class to perform read using raw SQL and the SQLResultSetMapping.
*
*
Responsibilities:
* Execute a selecting raw SQL string.
* Returns a List of results. Each item in the list will be another list
* consisting of the expected populated return types in the order they were
* specified in the SQLResultSetMapping
*
* @see SQLResultSetMapping
* @author Gordon Yorke
* @since TopLink Java Essentials
*/
public class ResultSetMappingQuery extends ObjectBuildingQuery {
protected String resultSetMappingName;
protected SQLResultSetMapping resultSetMapping;
/**
* PUBLIC:
* Initialize the state of the query.
*/
public ResultSetMappingQuery() {
super();
}
/**
* PUBLIC:
* Initialize the query to use the specified call.
*/
public ResultSetMappingQuery(Call call) {
this();
setCall(call);
}
/**
* PUBLIC:
* Initialize the query to use the specified call and SQLResultSetMapping
*/
public ResultSetMappingQuery(Call call, String sqlResultSetMappingName) {
this();
setCall(call);
this.resultSetMappingName = sqlResultSetMappingName;
}
/**
* INTERNAL:
* Clone the query.
*/
public Object clone() {
ResultSetMappingQuery cloneQuery = (ResultSetMappingQuery)super.clone();
cloneQuery.resultSetMapping = this.resultSetMapping;
cloneQuery.resultSetMappingName = this.resultSetMappingName;
return cloneQuery;
}
/**
* INTERNAL:
* Convert all the class-name-based settings in this ResultSetMapping to actual class-based
* settings. This method is used when converting a project that has been built
* with class names to a project with classes.
* @param classLoader
*/
public void convertClassNamesToClasses(ClassLoader classLoader){
resultSetMapping.convertClassNamesToClasses(classLoader);
};
/**
* PUBLIC:
* Used to define a store procedure or SQL query.
*/
/* public void setCall(Call call) {
if (call instanceof SQLCall){
((SQLCall)call).setSQLString(((SQLCall)call).getCallString().replace('?','#'));
}
super.setCall(call);
}
*/
/**
* PUBLIC:
* This will be the SQLResultSetMapping that is used by this query to process
* the database results
*/
public void setSQLResultSetMapping(SQLResultSetMapping resultSetMapping){
this.resultSetMapping = resultSetMapping;
this.resultSetMappingName = resultSetMapping.getName();
}
/**
* PUBLIC:
* This will be the SQLResultSetMapping that is used by this query to process
* the database results
*/
public void setSQLResultSetMappingName(String name){
if (name == null && this.resultSetMapping == null){
throw new IllegalArgumentException(ExceptionLocalization.buildMessage("null_sqlresultsetmapping_in_query"));
}
this.resultSetMappingName = name;
}
/**
* INTERNAL:
* This method is used to build the results. Interpreting the
* SQLResultSetMapping.
*/
protected List buildObjectsFromRecords(List databaseRecords){
List results = new ArrayList(databaseRecords.size() );
SQLResultSetMapping mapping = this.getSQLResultSetMapping();
for (Iterator iterator = databaseRecords.iterator(); iterator.hasNext();){
if (mapping.getResults().size()>1){
Object[] resultElement = new Object[mapping.getResults().size()];
DatabaseRecord record = (DatabaseRecord)iterator.next();
for (int i = 0;i