[rules-users] Low Date question in drools

[Nancy Henggeler]

It is a java date.  We use some java binding objects to build it.  Below 
is just a sampling of this.  The second entry below indicates what to name 
it in Java, it's java type, what DB2 table (cogentTable) and data field it 
is coming from (cogentField).  The snippets below might not help much.


1) bindHistory((ECDField) object.getElement("dateOfBirth"), 
this.getDateOfBirthHistory());

2)              <attribute name="dateOfBirth">
                        <type>Date</type>
                        <cogenTable>W1V0</cogenTable>
                        <cogenField>BIRTH-DATE</cogenField>
                        <description>Date Of Birth</description>
                </attribute>



From:   Wolfgang Laun <wolfgang.laun at gmail.com>
To:     Rules Users List <rules-users at lists.jboss.org>
Date:   02/09/2012 11:00 AM
Subject:        Re: [rules-users] Low Date question in drools
Sent by:        rules-users-bounces at lists.jboss.org



So what is the Java type of dateOfBirth, please?
-W

2012/2/9 Nancy Henggeler <Nancy.Henggeler at fblfinancial.com>
Hello Laun, 

Thank you for your quick response.  This date is a date coming from a DB2 
date field and is valid in my incoming data.  Frankly, I am with you, why 
not null versus a silly low date as such, arggggh.  But since it is coming 
in as such do you know of a work around? 

Thank so much, 
Nancy 



From:        Wolfgang Laun <wolfgang.laun at gmail.com> 
To:        Rules Users List <rules-users at lists.jboss.org> 
Date:        02/09/2012 10:31 AM 
Subject:        Re: [rules-users] Low Date question in drools 
Sent by:        rules-users-bounces at lists.jboss.org 



Why would you want to test for January 1st in year 1? This is not a 
value an object of type java.util.Date can represent. See that type's 
javadoc for details, but the epoch begins January 1, 1970. 

-W 


On 9 February 2012 17:19, Nancy Henggeler <
nancy.henggeler at fblfinancial.com> wrote: 
I have a simple rule where I want to bypass elements that have a low date 
but
drools seems to be interpreting the date different then I am expecting.
Drools statement and error follows:

ClientSupplement ( dateOfBirth : dateOfBirth != null && != 0001-01-01)

throws error -- Error: [Error: badly formatted number: For input string:
"001-01-01"] [Near : {... 0001-01-01 ....}] ^ [Line: 1, Column: 1]

How do I get drools to  understand this low date?  I have tried single,
double, and no quotes around the low date and all result in a similiar 
error
message.  Please Help!

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