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Script Functions: how are Java objects handled in JS? [message #831384]

Wed, 28 March 2012 20:57

Alexey Romanov

Messages: 263
Registered: May 2010

Senior Member

Do Script Functions work as described in Rhino documentation? Or do they use some rules for translating Java objects into Javascript ones (and vice versa for arguments), like SWT BrowserFunctions? From examples in birt-functions-lib it certainly looks the first way, but better safe than sorry.

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Re: Script Functions: how are Java objects handled in JS? [message #831729 is a reply to message #831384]

Thu, 29 March 2012 09:07

Alexey Romanov

Messages: 263
Registered: May 2010

Senior Member

Also, what are legal values for DataType element in plugin.xml? All functions in http://code.google.com/a/eclipselabs.org/p/birt-functions-lib/source/browse/branches/2.5.2/birt.functions.lib/plugin.xml have value="String".

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Re: Script Functions: how are Java objects handled in JS? [message #831733 is a reply to message #831729]

Thu, 29 March 2012 09:13

Alexey Romanov

Messages: 263
Registered: May 2010

Senior Member

Are they the same as org.eclipse.birt.core.data.DataType?

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Re: Script Functions: how are Java objects handled in JS? [message #832213 is a reply to message #831733]

Thu, 29 March 2012 22:46

Jason Weathersby

Messages: 9167
Registered: July 2009

Senior Member

Alexey,

That is correct. Here is the list of data type names.

package org.eclipse.birt.core.data;

import java.math.BigDecimal;
import java.sql.Blob;
import java.util.Date;

/**
* Defines constants for BIRT data types
*/
public abstract class DataType
{
public static final int UNKNOWN_TYPE = -1;
public static final int ANY_TYPE = 0;
public static final int BOOLEAN_TYPE = 1;
public static final int INTEGER_TYPE = 2;
public static final int DOUBLE_TYPE = 3;
public static final int DECIMAL_TYPE = 4;
public static final int STRING_TYPE = 5;
public static final int DATE_TYPE = 6;
public static final int BLOB_TYPE = 7;
public static final int BINARY_TYPE = 8;
public static final int SQL_DATE_TYPE = 9;
public static final int SQL_TIME_TYPE = 10;
public static final int JAVA_OBJECT_TYPE = 11;

private static final String[] names =
{
"Any",
"Boolean",
"Integer",
"Float",
"Decimal",
"String",
"DateTime",
"Blob",
"Binary",
"Date",
"Time",
"Java Object"
};

BTW you may be interested in :

http://www.informit.com/articles/article.aspx?p=1748986
http://birtworld.blogspot.com/2008/09/birt-231-adding-functions-to-expression.html

//aggregate extension
http://birtworld.blogspot.com/2010/10/birt-duplicate-rows.html
http://birtworld.blogspot.com/2006/09/optimistic-sums.html

Jason

On 3/29/2012 5:13 AM, Alexey Romanov wrote:
> Are they the same as
> http://help.eclipse.org/helios/index.jsp?topic=%2Forg.eclipse.birt.doc.isv%2Fcore%2Fapi%2Forg%2Feclipse%2Fbirt%2Fcore%2Fdata%2FDataType.html?
>

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