Ok….I’m going to try to document this for ‘the world’.
Looking through the 7.6.4 JavaDocs, you can get a QualifierInfo object through
numerous methods…the one outline in the appendix
QuerySourceForm primaryForm = new QuerySourceForm("Form1");
QuerySourceForm secondaryForm = new QuerySourceForm("Form2");
ArithmeticOrRelationalOperand field1 = new
ArithmeticOrRelationalOperand(123456, primaryForm);
ArithmeticOrRelationalOperand field2 = new
ArithmeticOrRelationalOperand(654321, secondaryForm);
RelationalOperationInfo relOp = new
RelationalOperationInfo(RelationalOperationInfo.AR_REL_OP_EQUAL, field1,
field2);
QualifierInfo joinQual = new QualifierInfo(relOp);
Or, through more ‘normal’ methods which would be something like this
String qual = "'Field1' = $Field2$"; // 'Product Name' = $Model$
List<Field> f1 = arConnection.getListFieldObjects("Form1");
List<Field> f2 = arConnection.getListFieldObjects("Form2");
QualifierInfo joinQual = arConnection.parseQualification(qual, f2, f1,
Constants.AR_QUALCONTEXT_DEFAULT);
The problem is that the first method creates a QualifierInfo object that looks
something like this
[Operation=4,Operand Left=[Operation=1,Operand Left=[Operand
Type=[type=1],Operand=[Field ID=123456,Func ID=0,Field Source=[Source
Identifier=-6be110ff:136c144c57c:-8000,Source Name=Form1]]],Operand
Right=[Operand Type=[type=1],Operand=[Field ID=654321,Func ID=0,Field
Source=[Source Identifier=-6be110ff:136c144c57c:-7fff,Source
Name=Form2]]]],Operand Right=<null>]
Whereas the second presents something like
[Operation=4,Operand Left=[Operation=1,Operand Left=[Operand
Type=[type=1],Operand=123456],Operand Right=[Operand
Type=[type=1],Operand=654321]],Operand Right=<null>]
So...Eric,
What I'm reading out of this is that the people over at BMC did not deem it
necessary to either update the parseQualification method...or provide an
appropriately overridden version of it to be able to create a QualifierInfo
object that will work when utilizing the getListEntryObjects method with a
RegularQuery object as one of the inputs....
This is a long, 'around the way' way of saying 'No' to your original
question....it looks like you must use the 'long hand' method of creating the
qualifier objects for the moment....and in the long run, if you want to be able
to use the shorthand...you could either write your own method to build it
properly....or submit an enhancement request to BMC to have them do the leg
work.
From: LJ LongWing [mailto:lj.longw...@gmail.com]
Sent: Monday, April 16, 2012 8:45 AM
To: 'arslist@ARSLIST.ORG'
Subject: RE: Multi schema join parse qualfier
Eric,
I see no reason why you wouldn’t be able to use that method to create the
QualifierInfo object….I’m not entirely sure of the code you are using to get
the cast error. Please feel free to contact me offlist if you would like, but
I would love to try to help ☺
From: Action Request System discussion list(ARSList)
[mailto:arslist@ARSLIST.ORG] On Behalf Of Eric Roys
Sent: Sunday, April 15, 2012 9:02 PM
To: arslist@ARSLIST.ORG
Subject: Multi schema join parse qualfier
**
For you java api folks…
ARS 7.6.4 sp2
Java api 7.6.4 build 2
Java 7
Is there a parse qual method for translating a query string (i.e. ‘This’ =
$This$ AND ‘That’ = $That$) for the QualifierInfo required by
com.bmc.arsys.api.QuerySourceForm.setJoin(IQuerySource arg0, int arg1,
QualifierInfo arg2) method [or does one have to embrace the long hand version
and write out as indicated in the appendix of the C API reference doc (excerpt
below)? I was hoping that the parseQualification(String queryString,
List<Field> fieldList1, List<Field> fieldList2, int queryContext, boolean
exceptionWhenFieldNotFound) method would do the trick but it seems the
getListEntryObjects fails with a cast exception (java.lang.Integer cannot be
cast to com.bmc.arsys.api.QueryFormField).
Excerpt:
// Create join qualifier, which is used to generate the SQL query’s
// ON clause.
ArithmeticOrRelationalOperand field1 = new
ArithmeticOrRelationalOperand(240001002, prodCat);
ArithmeticOrRelationalOperand field2 = new
ArithmeticOrRelationalOperand(240001002, products);
RelationalOperationInfo relOp = new
RelationalOperationInfo(RelationalOperationInfo.AR_REL_OP_EQUAL, field1,
field2);
QualifierInfo joinQual = new QualifierInfo(relOp);
Thanks,
Eric
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