oracle.toplink.essentials.queryframework.ConstructorReportItem Maven / Gradle / Ivy
/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* glassfish/bootstrap/legal/CDDLv1.0.txt or
* https://glassfish.dev.java.net/public/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* HEADER in each file and include the License file at
* glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable,
* add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your
* own identifying information: Portions Copyright [yyyy]
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// Copyright (c) 1998, 2007, Oracle. All rights reserved.
package oracle.toplink.essentials.queryframework;
import java.util.Vector;
import java.util.List;
import oracle.toplink.essentials.exceptions.QueryException;
import oracle.toplink.essentials.expressions.Expression;
import oracle.toplink.essentials.internal.queryframework.ReportItem;
/**
* Purpose: An item specifying a class constructor method to be used in a ReportQuery's returned results.
* Example:
* ConstructorReportItem citem = new ConstructorReportItem("Employee");
* citem.setResultType(Employee.class);
* citem.addAttribute("firstName", employees.get("firstName"));
* query.addConstructorReportItem(citem);
*
* when executed will return a collection of ReportQueryResults that contain Employee objects created using
* the new Employee(firstname) method.
*
* @author Chris Delahunt
* @since TopLink Essentials
*/
public class ConstructorReportItem extends ReportItem {
protected Class[] constructorArgTypes;
protected List constructorMappings;
public List reportItems;
public ConstructorReportItem() {
}
/**
* Method to add an expression to be used to return the parameter that is then passed into the constructor method.
* Similar to ReportQuery's addAttribute method, but a name is not needed
* @param name - string used to look up this result in the ReportQueryResult
*/
public ConstructorReportItem(String name) {
super(name,null);
}
/**
* Method to add an expression to be used to return the parameter that is then passed into the constructor method.
* Similar to ReportQuery's addAttribute method, but a name is not needed
* @param attributeExpression
*/
public void addAttribute( Expression attributeExpression) {
ReportItem item = new ReportItem(getName()+getReportItems().size(), attributeExpression);
getReportItems().add(item);
}
public void addAttribute(String attributeName, Expression attributeExpression, List joinedExpressions) {
ReportItem item = new ReportItem(attributeName, attributeExpression);
item.getJoinedAttributeManager().setJoinedAttributeExpressions_(joinedExpressions);
getReportItems().add(item);
}
public void addItem(ReportItem item) {
getReportItems().add(item);
}
public Class[] getConstructorArgTypes(){
return constructorArgTypes;
}
public List getConstructorMappings(){
return constructorMappings;
}
public List getReportItems(){
if (reportItems==null){
reportItems=new Vector();
}
return reportItems;
}
/**
* INTERNAL:
* Looks up mapping for attribute during preExecute of ReportQuery
*/
public void initialize(ReportQuery query) throws QueryException {
int size= getReportItems().size();
List mappings = new Vector();
for (int i=0;i [";
//don't use getReportItems to avoid creating collection.
if (reportItems!=null){
int size=reportItems.size();
for(int i=0;i