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Adapt Mondrian Schemas to Work with Pentaho Analyzer

The following Mondrian features are not yet functional in Pentaho Analyzer, but are scheduled to be added in the future:

  • Parent-child hierarchies will render the entire set of members instead of showing them as parents and children.
  • Ragged hierarchies currently throw an exception when using them in Analyzer
  • Additional Mondrian features not yet available: cube captions, drill-through, parameterization

To adjust for these limitations and to enable some Analyzer functions to work properly, you must make the changes explained in the subsections below.

Step 1: Apply Related Date Filters

Pentaho Analyzer supports many types of relative date filters, but in order to apply them for a given level, you need to define the format string used to construct MDX members for that level. This is because each data warehouse implementation may have a different date format and set of hierarchy levels.

Common Relative Date Filters

In the Steel Wheels sample data cube provided by Pentaho for evaluation and testing, the Month level uses abbreviated three-letter month names. Furthermore, the Month level sits under the Quarter level. In Steel Wheels, the format string for an MDX member from the Month level would look like this:


Some other common date formats:

  • [yyyy] (Year)
  • [yyyy].[q] (Quarter)
  • [yyyy].[q].[M] (Month)
  • [yyyy].[q].[M].[w] (Week)
  • [yyyy].[q].[M].[w].[yyyy-MM-dd] (Day)

The Day line above also specifies a format to represent the entire date. Without this format, a simple [d] parameter would be difficult to put into context. For more information on date format strings, refer to the SimpleDateFormat page on the ICU Project site.

To setup relative date filtering, for each level, you need to do the following:

  • In your Mondrian schema file, set the levelType XML attribute to TimeYears, TimeMonths, TimeQuarters, TimeWeeks or TimeDate
  • Define the MDX date member format as an annotation with the name AnalyzerDateFormat.

Here is an example from the Pentaho sample data (Steel Wheels) Time dimension:

<Level name="Years" levelType="TimeYears" ... >
   <Annotations><Annotation name="AnalyzerDateFormat">[yyyy]</Annotation></Annotations>
<Level name="Quarters" levelType="TimeQuarters" ... >
   <Annotations><Annotation name="AnalyzerDateFormat">[yyyy].['QTR'q]</Annotation></Annotations>
<Level name="Months" levelType="TimeMonths" ... >
   <Annotations><Annotation name="AnalyzerDateFormat">[yyyy].['QTR'q].[MMM]</Annotation></Annotations>

Other Relative Date Filters

Other types of relative date filters are often used, especially the fiscal year in the business sector. A fiscal year will vary with each business and is based on how that business calculates its annual financial statements. You can define a Fiscal Calendar dimension in your Mondrian schema to accommodate this, and Analyzer will then use the current date to look up fiscal time periods in the fiscal time dimension.

For example, suppose a business has defined their fiscal year to always start on the first of May. Their fiscal time dimension table would look like this:

Date Fiscal Week Fiscal Month Fiscal Quarter Fiscal Year
2014-04-30 2014-W53 2014-M12 2014-Q4 2014
2014-05-01 2015-W1 2015-M1 2015-Q1 2015
2014-05-02 2015-W1 2015-M1 2015-Q1 2015

Looking at the table and using a date such as 2014-05-01, we can find which Fiscal Week, Month, Quarter, or Year that it belongs to. Just look for the date in the table, then look further up the hierarchy to find 2015-M1. If you need to get the Current Month and Previous Month, you can first find 2015-M1 and then look back on the hierarchy to find 2014-M12, which is a sibling of 2015-M1 in the hierarchy.

There are a few key points to keep in mind about this dimension, before you get started.

  • The bottommost level must be a Date, which will be used to look up a parent-level member based on the current date.
  • The Date level must specify a new AnalyzerFiscalDateFormat annotation. This annotation value should specifiy a Java format string, which when evaluated with the current date, yields the MDX name of the Date level member. This format string should not include the format string for any parents above the Date level. This is different from the AnalyzerDateFormat annotation in which parents are also included in the format string.
  • The Date level members must be unique within the level, so uniquemembers is set to true. This doesn't need to be the same for parent levels, but it is a good practice to do so since this is a time dimension.
  • All levels in this hierarchy need to specify the levelType attribute.
  • Levels above the Date level should not specify the AnalyzerDateFormat annotations.

Here is an example of a Fiscal Calendar dimension defined within a Mondrian schema:

<Dimension name="Fiscal Calendar" type="TimeDimension">
    <Hierarchy hasAll="true" primaryKey="DATE_KEY">
        <Table schema="FOODMART" name="CALENDAR"/>
        <Level name="Fiscal Year" levelType="TimeYears" column="FSC_YEAR_STR" uniqueMembers="true" type="String" ordinalColumn="FSC_YEAR" />
        <Level name="Fiscal Quarter" levelType="TimeQuarters" column="FSC_QUARTER_YEAR_STR" uniqueMembers="true" type="String" ordinalColumn="FSC_DIM_QUARTER_NUM" />
        <Level name="Fiscal Month" levelType="TimeMonths" column="FSC_MONTH_YEAR_STR" uniqueMembers="true" type="String" ordinalColumn="FSC_DIM_MONTH_NUM" />
        <Level name="Fiscal Week" levelType="TimeWeeks" column="FSC_WEEK_YEAR_STR" uniqueMembers="false" type="String" ordinalColumn="FSC_DIM_WEEK_NUM" />
        <Level name="Date" levelType="TimeDays" column="CAL_DATE" uniqueMembers="true" type="Date" ordinalColumn="DATE_KEY" >
            <Annotations><Annotation name="AnalyzerFiscalDateFormat">[yyyy-MM-dd]</Annotation></Annotations>

With this set up, Analyzer will be able to generate the MDX to turn a filter like Current Month into the correct Fiscal Month member:

Ancestor([Fiscal Calendar].[Date].[1997-06-28],[Fiscal Calendar].[Fiscal Month])

This MDX references a specific date member in the Date level, and then uses the Ancestor function to locate the parent month. Finding the Previous Month would be as simple as using the Lag MDX function:

Ancestor([Fiscal Calendar].[Date].[1997-06-28],[Fiscal Calendar].[Fiscal Month]).Lag(1)

Once you have these set up, your users will be able to apply this filter by selecting Choose a commonly used time period in the Filter on Fiscal Month dialog box.

Step 2: Adjust for Calculated Members and Named Sets

If your Mondrian schema defines calculated members or named sets that reference MDX members without the dimension prefix, then you must set mondrian.olap.elements.NeedDimensionPrefix to false in your file. Under all other conditions you would want to set this property to true because it increases Mondrian performance, as well as the readability of the schema XML file.

Step 3: Add Geo Map Support to a Mondrian Schema

The Geo Map visualization in Analyzer requires both a Geo Service that provides coordinate data (delivered through a Pentaho Server pentaho-geo plugin), and special Mondrian schema annotations and member properties.

Only the levels marked with Geographical roles (via annotations) can be added to a Geo Map visualization in Analyzer. During the rendering process, the visualization will call the pentaho-geo plugin in the Pentaho Server to look up coordinates that correspond with the level.


First, find all levels that describe location data, then add the appropriate annotations as shown and explained below:

<Level name="CITY" column="CITY" type="String" uniqueMembers="false">
    <Annotation name="Data.Role">Geography</Annotation>
    <Annotation name="Geo.Role">city</Annotation>

Data.Role: Indicates the type of level. Presently, the only valid data role type is Geography.

Geo.Role: Specifies the geographical classification (city, state, zip, etc.). While there are built-in types used in the Data Source Wizard and PDI modelers, the values are arbitrary. You could specify a "city" type and, as long as the service provides data for this classification, it will work.

Note: In the above example, the city role retrieves centroid coordinates.

Member Properties

In addition to retrieving coordinates from the Geo Service, the location Geo.Role value defines a level with member properties supplying Latitude and Longitude values. Levels that are tagged with location must also provide two member properties with the exact names of latitude and longitude that point to the column in the database which contains these values for the level.

<Level name="LatTest" column="CUSTOMERNUMBER" type="Numeric" uniqueMembers="false">
    <Annotation name="Data.Role">Geography</Annotation>
    <Annotation name="Geo.Role">location</Annotation>
  <Property name="Latitude" column="CUSTLAT" type="Numeric" />
  <Property name="Longitude" column="CUSTLON" type="Numeric"/>

Step 4: Disable Drill-Through Links

You can permanently disable drill-through links for all analysis reports by editing the file, or you can disable drill-through links on a cube-by-cube basis. Both methods are described in these steps.

  1. Global Disable: Follow these steps to disable drill-through links for all cubes and analysis data sources.
    1. Open your file with a text editor and look for the property called report.drill.links.disabled.
    2. Set the value from false to true as shown here.





    Drill-through links are now disabled for all cubes and analysis data sources. The option for drill-through links is no longer visible on the Report Options dialog box.

  2. Individual Cubes: Follow these steps to disable drill-through links on a cube-by-cube basis.
    1. Open the schema for the particular cube on which you want to disable drill-through links.
    2. Find the Cube element in the schema file and add this annotation to disable the links:
      <Annotations><Annotation name="AnalyzerDisableDrillLinks">true</Annotation></Annotations>
    3. Save and close the schema.

    Drill-through links are now completely disabled for that cube, and the option to show drill-through links is no longer visible on the Report Options dialog box for the cube.

Step 5: Configure Custom Analyzer Actions

Analyzer can be configured with custom action links that call out to JavaScript functions. These action links are available in a context menu by right-clicking on level members or measure cells.

Define Custom Actions in Mondrian

Action links can be defined in your Mondrian schema as annotations. These can be defined under a Level or a Measure. There is no limit to the number of custom action links that you can define, but they need to be named in ascending order, such as AnalyzerCustomAction, AnalyzerCustomAction2, AnalyzerCustomAction3.

The annotation value is just a link-label and JavaScript function, separated by a comma. Analyzer will automatically try to add custom action links on a Type level or a Sales measure whenever they are used in a report.

Annotation defined on a Type level:

<Dimension foreignKey="STATUS" name="Order Status">
     <Hierarchy hasAll="true" allMemberName="All Status Types" primaryKey="STATUS">
        <Level name="Type" column="STATUS" type="String" uniqueMembers="true" levelType="Regular" hideMemberIf="Never">
                    <Annotation name="AnalyzerCustomAction">Custom action 3,customHandlerThree</Annotation>
                    <Annotation name="AnalyzerCustomAction2">Custom action 4,customHandlerFour</Annotation>

Annotation defined on a Sales measure:

<Measure name="Sales" column="TOTALPRICE" formatString="#,###" aggregator="sum" description="Foo">
        <Annotation name="AnalyzerBusinessGroup">Measures</Annotation>
        <Annotation name="AnalyzerCustomAction">Custom action 1,customHandlerOne</Annotation>
        <Annotation name="AnalyzerCustomAction2">Custom action 2,customHandlerTwo</Annotation>    </Annotations>
    <CalculatedMemberProperty name="CHART_SERIES_COLOR" value="#0d8ecf" />

Implement a Custom Action JavaScript Function

In order to implement the JavaScript function, you need to create a new Pentaho plugin that injects your JavaScript functions into Analyzer. Here is an example of an analyzer_extension_plugin.xml:

<?xml version="1.0" encoding="UTF-8"?>
<plugin title="analyzer-extension">
        <static-path url="/analyzer-extension/resources" localFolder="resources"/>
         <file context="analyzer">content/analyzer-extension/resources/analyzer_extension_plugin.js</file>

This basically tells the Pentaho Server to inject the analyzer_extension_plugin.js file into Analyzer so that those functions are now available to Analyzer to call when a user clicks on a custom action link.

Here is an example analyzer_extension_plugin.js.

cv.extension = cv.extension || {};

 * report - Analyzer report definition.
 * formula - The level or measure that was clicked on.
 * ctx - All levels that intersect on the clicked on level or cell.
 * filter - Filters applied on the report. Only includes filters which includes members.
cv.extension.customHandlerOne = function (report, formula, ctx, filter) {
    var year = ctx['[Time].[Years]']; // Returns the member unique name
    if (year) 
        year = cv.util.parseMDXExpression(year); // Extract the name of the member
    var url = window.CONTEXT_PATH + "api/repos/:public:Steel%20Wheels:Country%20Performance%20(heat%20grid).xanalyzer/viewer?yearParameter=" + year;
    if (window.parent && window.parent.parent && window.parent.parent.mantle_openTab) {
        window.parent.parent.mantle_openTab("Custom One", "Custom One", url);

cv.extension.customHandlerOne_validate = function (report, formula, ctx, filter) {
    var territory = ctx['[Markets].[Territory]'];
    if (territory == "[Markets].[Japan]")
        return false;
    return true;

You must define your custom action JavaScript function under the cv.extension namespace. The name of the JavaScript function must exactly match the name you used in the AnalyzerCustomAction annotation. The function takes four parameters:

  • report- This is the Analyzer report object. You normally will not use this, but if you want to access the report XML definition to inspect the state of the current report definition, you can access report.reportDoc.
  • formula- This is either the level MDX unique name or the measure unique name, depending on what the user clicked on.
  • ctx- This is a map of all the levels on the row or column zone and their corresponding MDX members. When clicking on a cell, this map will contain all row and column levels on the report. When clicking on a level member, this map will only contain outer levels which are usually to the left or above the clicked-on level.
  • filter- This is a level map-to-filter operator-to-member array of all report filters with the exception of numeric filters like Top10 or Greater than.

The filter object is a map of levels to predicate objects. A predicate object is a map of predicate operators to operator arguments. A single level such as [Customer].[Name] may have more than one predicate operator, such as contains "John" but does not contain "Doe".

The possible operators are: EQUALS, NOT_EQUAL, BEFORE, AFTER, BETWEEN, CONTAIN, and NOT_CONTAIN. For all operators with the exception of CONTAIN and NOT_CONTAIN, the operator arguments are MDX members such as [Time].[2014]. CONTAIN and NOT_CONTAIN have string literals as operator arguments. Numeric filters such as Top 10 Account by Sales are not exposed in the filter object.

As an example, assuming the user clicks in the cell, then the member, ctx, and filter arguments will look like:

ctx: Object
     [Markets].[Territory]: "[Markets].[APAC]"
     [Measures].[MeasuresLevels]: "[Measures].[Sales]"
     [Order Status].[Type]: "[Order Status].[Shipped]"
     [Time].[Years]: "[Time].[2003]"
     __proto__: Object
filter: Object
    {EQUALS:['[Product].[Trucks and Buses]','[Product].[Trains]','[Product].[Planes]']}
    {EQUALS: ['[Time].[2013]','[Time].[2014]']}

formula: "[Measures].[Sales]"     

Here are a couple of helpful tips for implementing the JavaScript functions:

  • You can use cv.util.parseMDXExpression to extract the name of the member. For example, [Year].[2003]would return: 2003.
  • You can construct your own URL and then open the URL in a new PUC tab, assuming Analyzer is running within PUC with the function: window.parent.parent.mantle_openTab.

Determine When to Show a Custom Action

There is also another feature to validate whether a custom action link should be included in the context menu or not. You can implement a validation function which returns false to hide the link in the UI. If this validation function is not implemented, then the link will always be shown. This validation function must be named by suffixing the custom action JavaScript function name with _validate.

In this example, the Custom action 1 menu item will not be included if the user right-clicks on a Measure cell where the current context includes Territory: Japan:

cv.extension.customHandlerOne_validate = function (report, formula, ctx, filter) {
var territory = ctx['[Markets].[Territory]'];
if (territory == "[Markets].[Japan]")
return false;
return true;

Notice how Custom action 1 was not included in the above menu.