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93

Step 5: Design a BIRT Report Chart

In this step we will add a simple chart to the report: Open the [New Chart] dialog box by dragging a Chart from the [Palette] window and dropping it on the report design (.rptdesign) layout. In the [Select Chart Type] tab select Tube as the chart type and click Next. In the [Select Data] tab
20

TemporalType injection with Calendar using JPA

+ " ]"; } And this is embedded in this Entity class @Entity @Access(AccessType.PROPERTY) public class Chart ... Chart() { this.points = new ArrayList<Point>(); } @EmbeddedId public TimePeriod
20

Getting sales quantity per country with a query, an idea anyone?

Hi, For the purpose of some charts on a dashboard for our ERP i would like to get the list of countries and the sales quantity for each of them. I am pretty sure it is somehow possible ... , this call is used for a pie chart. public static List<Object[]> getOrdersPerCountry4Month(int monthBack) { int
14

Left join fetch behaviour doesn't retrieve children?

. It's would also be really great to put these new benchmarks in your existing charts. Regards, Xirt xirt
14

Suspected memleak caused by bad state of EntityManager

can never be released by JVM.There is a chart describes the instances exists in memory. We had checked the heap
10

[ObjectDB 2.2.6_02] Unexpected exception (Error 990) at com.objectdb.o.OBC.aJ(OBC.java:961)

on the chart PointEntity latestPoint = new PointEntity(moment); latestPoint.setX(x); latestPoint.setY(y); // create and update a Chart ChartEntity chart = new ChartEntity(identifier); create(chart); chart.addPoint(latestPoint
6

[ObjectDB 2.2.5_02] Unexpected exception (Error 990) com.objectdb.o.InternalException: java.lang.NullPointerException: null

.java:113) my code (generated by netbeans) for findEntities() is as follows: public List<Chart> findChartEntities() { return findChartEntities(true, -1, -1); } public List<Chart ... , maxResults, firstResult); } private List<Chart> findChartEntities(boolean all, int maxResults
5

Step 4: Create an ObjectDB Data Set

the next steps we will use this data set to build a chart and a table.
5

Report Generation with BIRT and JPA

the BIRT report using a chart and a table: The tutorial consists of the following steps:

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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