Examples of org.drools.lang.descr.FieldConstraintDescr

org.drools.lang.descr.FieldConstraintDescr
This represents a literal node in the rule language. This is a constraint on a single field of a pattern. The "text" contains the content, which may also be an enumeration.

        assertEquals( "Person",
                      pattern.getObjectType() );
        assertEquals( 1,
                      pattern.getConstraint().getDescrs().size() );


        FieldConstraintDescr fld = (FieldConstraintDescr) pattern.getConstraint().getDescrs().get( 0 );
        assertEquals( RestrictionConnectiveDescr.AND,
                      fld.getRestriction().getConnective() );
        assertEquals( 2,
                      fld.getRestrictions().size() );
        assertEquals( "age",
                      fld.getFieldName() );


        LiteralRestrictionDescr lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );
        assertEquals( ">",
                      lit.getEvaluator() );
        assertEquals( "30",
                      lit.getText() );


        lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 1 );
        assertEquals( "<",
                      lit.getEvaluator() );
        assertEquals( "40",
                      lit.getText() );


        //the second col, with 2 fields, the first with 2 restrictions, the second field with one
        pattern = (PatternDescr) rule.getLhs().getDescrs().get( 1 );
        assertEquals( "Vehicle",
                      pattern.getObjectType() );
        assertEquals( 2,
                      pattern.getConstraint().getDescrs().size() );


        fld = (FieldConstraintDescr) pattern.getConstraint().getDescrs().get( 0 );
        assertEquals( "type",
                      fld.getFieldName() );
        assertEquals( 1,
                      fld.getRestrictions().size() );


        RestrictionConnectiveDescr or = (RestrictionConnectiveDescr) fld.getRestrictions().get( 0 );
        assertEquals( RestrictionConnectiveDescr.OR,
                      or.getConnective() );
        assertEquals( 2,
                      or.getRestrictions().size() );


        lit = (LiteralRestrictionDescr) or.getRestrictions().get( 0 );
        assertEquals( "==",
                      lit.getEvaluator() );
        assertEquals( "sedan",
                      lit.getText() );


        lit = (LiteralRestrictionDescr) or.getRestrictions().get( 1 );
        assertEquals( "==",
                      lit.getEvaluator() );
        assertEquals( "wagon",
                      lit.getText() );


        //now the second field
        fld = (FieldConstraintDescr) pattern.getConstraint().getDescrs().get( 1 );
        assertEquals( 1,
                      fld.getRestrictions().size() );
        lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );
        assertEquals( "<",
                      lit.getEvaluator() );
        assertEquals( "3",
                      lit.getText() );

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        assertEquals( "Person",
                      pattern.getObjectType() );
        assertEquals( 1,
                      pattern.getConstraint().getDescrs().size() );


        FieldConstraintDescr fld = (FieldConstraintDescr) pattern.getConstraint().getDescrs().get( 0 );
        assertEquals( 2,
                      fld.getRestrictions().size() );
        assertEquals( "age",
                      fld.getFieldName() );


        LiteralRestrictionDescr lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );
        assertEquals( ">",
                      lit.getEvaluator() );
        assertEquals( "30",
                      lit.getText() );


        lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 1 );
        assertEquals( "<",
                      lit.getEvaluator() );
        assertEquals( "40",
                      lit.getText() );


        //the second col, with 2 fields, the first with 2 restrictions, the second field with one
        pattern = (PatternDescr) rule.getLhs().getDescrs().get( 1 );
        assertEquals( "Vehicle",
                      pattern.getObjectType() );
        assertEquals( 2,
                      pattern.getConstraint().getDescrs().size() );


        fld = (FieldConstraintDescr) pattern.getConstraint().getDescrs().get( 0 );
        assertEquals( 2,
                      fld.getRestrictions().size() );
        lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );
        assertEquals( "type",
                      fld.getFieldName() );
        assertEquals( "!=",
                      lit.getEvaluator() );
        assertEquals( "sedan",
                      lit.getText() );


        lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 1 );
        assertEquals( "!=",
                      lit.getEvaluator() );
        assertEquals( "wagon",
                      lit.getText() );


        //now the second field
        fld = (FieldConstraintDescr) pattern.getConstraint().getDescrs().get( 1 );
        assertEquals( 1,
                      fld.getRestrictions().size() );
        lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );
        assertEquals( "<",
                      lit.getEvaluator() );
        assertEquals( "3",
                      lit.getText() );

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        assertFalse( parser.getErrorMessages().toString(),
                     parser.hasErrors() );


        assertEquals( 2,
                      pattern.getDescrs().size() );
        FieldConstraintDescr fcd = (FieldConstraintDescr) pattern.getDescrs().get( 0 );
        assertEquals( "age",
                      fcd.getFieldName() );
        fcd = (FieldConstraintDescr) pattern.getDescrs().get( 1 );
        assertEquals( "location",
                      fcd.getFieldName() );
    }

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        assertEquals( 1,
                      pattern.getDescrs().size() );
        OrDescr or = (OrDescr) pattern.getDescrs().get( 0 );
        assertEquals( 2,
                      or.getDescrs().size() );
        FieldConstraintDescr fcd = (FieldConstraintDescr) or.getDescrs().get( 0 );
        assertEquals( "age",
                      fcd.getFieldName() );
        fcd = (FieldConstraintDescr) or.getDescrs().get( 1 );
        assertEquals( "location",
                      fcd.getFieldName() );
    }

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                      or.getDescrs().size() );


        AndDescr and = (AndDescr) or.getDescrs().get( 0 );
        assertEquals( 2,
                      and.getDescrs().size() );
        FieldConstraintDescr fcd = (FieldConstraintDescr) and.getDescrs().get( 0 );
        assertEquals( "age",
                      fcd.getFieldName() );
        assertEquals( "<",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "42",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );
        fcd = (FieldConstraintDescr) and.getDescrs().get( 1 );
        assertEquals( "location",
                      fcd.getFieldName() );
        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "atlanta",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );


        and = (AndDescr) or.getDescrs().get( 1 );
        assertEquals( 2,
                      and.getDescrs().size() );
        fcd = (FieldConstraintDescr) and.getDescrs().get( 0 );
        assertEquals( "age",
                      fcd.getFieldName() );
        assertEquals( ">",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "20",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );
        fcd = (FieldConstraintDescr) and.getDescrs().get( 1 );
        assertEquals( "location",
                      fcd.getFieldName() );
        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "Seatle",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );


        fcd = (FieldConstraintDescr) or.getDescrs().get( 2 );
        assertEquals( "location",
                      fcd.getFieldName() );
        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "Chicago",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );


    }

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                      or1.getDescrs().size() );


        AndDescr and1 = (AndDescr) or1.getDescrs().get( 0 );
        assertEquals( 2,
                      and1.getDescrs().size() );
        FieldConstraintDescr fcd = (FieldConstraintDescr) and1.getDescrs().get( 0 );
        assertEquals( "age",
                      fcd.getFieldName() );
        assertEquals( "<",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "42",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );


        OrDescr or2 = (OrDescr) and1.getDescrs().get( 1 );
        fcd = (FieldConstraintDescr) or2.getDescrs().get( 0 );
        assertEquals( "location",
                      fcd.getFieldName() );
        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "atlanta",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );


        AndDescr and2 = (AndDescr) or2.getDescrs().get( 1 );
        assertEquals( 2,
                      and2.getDescrs().size() );
        fcd = (FieldConstraintDescr) and2.getDescrs().get( 0 );
        assertEquals( "age",
                      fcd.getFieldName() );
        assertEquals( ">",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "20",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );
        fcd = (FieldConstraintDescr) and2.getDescrs().get( 1 );
        assertEquals( "location",
                      fcd.getFieldName() );
        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "Seatle",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );


        fcd = (FieldConstraintDescr) or1.getDescrs().get( 1 );
        assertEquals( "location",
                      fcd.getFieldName() );
        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "Chicago",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );
    }

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        AndDescr and2 = (AndDescr) or1.getDescrs().get( 1 );
        AndDescr and3 = (AndDescr) or1.getDescrs().get( 2 );


        assertEquals( 2,
                      and1.getDescrs().size() );
        FieldConstraintDescr fcd = (FieldConstraintDescr) and1.getDescrs().get( 0 );
        assertEquals( "age",
                      fcd.getFieldName() );
        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "70",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );
        fcd = (FieldConstraintDescr) and1.getDescrs().get( 1 );
        assertEquals( "hair",
                      fcd.getFieldName() );
        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "black",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );


        assertEquals( 2,
                      and2.getDescrs().size() );
        fcd = (FieldConstraintDescr) and2.getDescrs().get( 0 );
        assertEquals( "age",
                      fcd.getFieldName() );
        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "40",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );
        fcd = (FieldConstraintDescr) and2.getDescrs().get( 1 );
        assertEquals( "hair",
                      fcd.getFieldName() );
        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "pink",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );


        assertEquals( 2,
                      and3.getDescrs().size() );
        fcd = (FieldConstraintDescr) and3.getDescrs().get( 0 );
        assertEquals( "age",
                      fcd.getFieldName() );
        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "12",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );
        OrDescr or2 = (OrDescr) and3.getDescrs().get( 1 );
        fcd = (FieldConstraintDescr) or2.getDescrs().get( 0 );
        assertEquals( "hair",
                      fcd.getFieldName() );
        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "yellow",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );
        fcd = (FieldConstraintDescr) or2.getDescrs().get( 1 );
        assertEquals( "hair",
                      fcd.getFieldName() );
        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "blue",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );
    }

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        assertEquals( 3,
                      orConstr.getDescrs().size() );


        AndDescr andConstr1 = (AndDescr) orConstr.getDescrs().get( 0 );


        FieldConstraintDescr fcd = (FieldConstraintDescr) andConstr1.getDescrs().get( 0 );
        assertEquals( "age",
                      fcd.getFieldName() );
        RestrictionConnectiveDescr or = (RestrictionConnectiveDescr) fcd.getRestriction().getRestrictions().get( 0 );
        RestrictionConnectiveDescr and1 = (RestrictionConnectiveDescr) or.getRestrictions().get( 0 );
        RestrictionConnectiveDescr and2 = (RestrictionConnectiveDescr) or.getRestrictions().get( 1 );


        assertEquals( ">",
                      ((LiteralRestrictionDescr) and1.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "60",
                      ((LiteralRestrictionDescr) and1.getRestrictions().get( 0 )).getText() );


        assertEquals( "<",
                      ((LiteralRestrictionDescr) and1.getRestrictions().get( 1 )).getEvaluator() );
        assertEquals( "70",
                      ((LiteralRestrictionDescr) and1.getRestrictions().get( 1 )).getText() );


        assertEquals( ">",
                      ((LiteralRestrictionDescr) and2.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "50",
                      ((LiteralRestrictionDescr) and2.getRestrictions().get( 0 )).getText() );


        assertEquals( "<",
                      ((LiteralRestrictionDescr) and2.getRestrictions().get( 1 )).getEvaluator() );
        assertEquals( "55",
                      ((LiteralRestrictionDescr) and2.getRestrictions().get( 1 )).getText() );


        fcd = (FieldConstraintDescr) andConstr1.getDescrs().get( 1 );
        assertEquals( "hair",
                      fcd.getFieldName() );


        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "black",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );


        AndDescr andConstr2 = (AndDescr) orConstr.getDescrs().get( 1 );
        assertEquals( 2,
                      andConstr2.getDescrs().size() );
        fcd = (FieldConstraintDescr) andConstr2.getDescrs().get( 0 );
        assertEquals( "age",
                      fcd.getFieldName() );


        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "40",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );


        fcd = (FieldConstraintDescr) andConstr2.getDescrs().get( 1 );
        assertEquals( "hair",
                      fcd.getFieldName() );


        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "pink",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );


        AndDescr andConstr3 = (AndDescr) orConstr.getDescrs().get( 2 );
        assertEquals( 2,
                      andConstr3.getDescrs().size() );
        fcd = (FieldConstraintDescr) andConstr3.getDescrs().get( 0 );
        assertEquals( "age",
                      fcd.getFieldName() );


        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "12",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );


        OrDescr orConstr2 = (OrDescr) andConstr3.getDescrs().get( 1 );


        fcd = (FieldConstraintDescr) orConstr2.getDescrs().get( 0 );
        assertEquals( "hair",
                      fcd.getFieldName() );


        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "yellow",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );


        fcd = (FieldConstraintDescr) orConstr2.getDescrs().get( 1 );
        assertEquals( "hair",
                      fcd.getFieldName() );


        assertEquals( "==",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getEvaluator() );
        assertEquals( "blue",
                      ((LiteralRestrictionDescr) fcd.getRestrictions().get( 0 )).getText() );


    }

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        assertFalse( parser.getErrorMessages().toString(),
                     parser.hasErrors() );


        assertEquals( 1,
                      pattern.getDescrs().size() );
        FieldConstraintDescr fcd = (FieldConstraintDescr) pattern.getDescrs().get( 0 );
        assertEquals( "name",
                      fcd.getFieldName() );


        RestrictionConnectiveDescr or = (RestrictionConnectiveDescr) fcd.getRestrictions().get( 0 );


        assertEquals( 2,
                      or.getRestrictions().size() );


        assertEquals( "matches",

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                     parser.hasErrors() );


        assertEquals( 2,
                      descrs.getDescrs().size() );
        PatternDescr pat = (PatternDescr) descrs.getDescrs().get( 1 );
        FieldConstraintDescr fieldConstr = (FieldConstraintDescr) pat.getConstraint().getDescrs().get( 0 );
        VariableRestrictionDescr restr = (VariableRestrictionDescr) fieldConstr.getRestrictions().get( 0 );


        assertEquals( "not contains",
                      restr.getEvaluator() );
        assertEquals( "$city",
                      restr.getIdentifier() );

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