Bug 148392 Float type fails to be retrieven in scripted datasets
1/ Create a scripted dataset with Float type values, retrive them in the fetch dataset's method configure the output columns and assign them the Float type => result preview fails to show the float columns values 2/ Set the columns' type as Any => the result preview shows normally 3/ Create a chart based on the previous dataset configure the databindings setting float as the said columns type (the dataset's type is Any) => the series fails to appear in the graph (see error in footer) 4/ Change the data bindings for the said columns as Any and use the series fromatting to fix it => the series appears normally
core/org.eclipse.birt.core/src/org/eclipse/birt/core/data/DataTypeUtil.java
{
		if ( toTypeClass == DataType.getClass( DataType.ANY_TYPE ) )
			return source;
		if ( toTypeClass == Integer.class )
			return toInteger( source );
		if ( toTypeClass == BigDecimal.class )
			return toBigDecimal( source );
		if ( toTypeClass == Boolean.class )
			return toBoolean( source );
		if ( Date.class.isAssignableFrom( toTypeClass ) )
			return toDate( source );
		if ( toTypeClass == Double.class )
			return toDouble( source );
		if ( toTypeClass == String.class )
			return toString( source );
		if ( toTypeClass == Blob.class )
			return toBlob( source );
		
		throw new BirtException( pluginId,
				ResourceConstants.INVALID_TYPE,
				resourceBundle );
	}
	/**
	 * Boolean -> Integer
	 * 		true 	-> 1
	 * 		others 	-> 0 
	 * Date -> Integer
	 * 		Date.getTime();
	 * String -> Integer
	 * 		Integer.valueOf();