Package org.drools.compiler.lang.descr

Examples of org.drools.compiler.lang.descr.ExprConstraintDescr

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

        AndDescr and = (AndDescr) pattern.getConstraint();
        ExprConstraintDescr fld = (ExprConstraintDescr) and.getDescrs().get( 0 );
        assertEquals( "age > 30 && < 40",
                          fld.getExpression() );

        // 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() );

        and = (AndDescr) pattern.getConstraint();
        fld = (ExprConstraintDescr) and.getDescrs().get( 0 );
        assertEquals( "type == \"sedan\" || == \"wagon\"",
                          fld.getExpression() );

        // now the second field
        fld = (ExprConstraintDescr) and.getDescrs().get( 1 );
        assertEquals( "age < 3",
                          fld.getExpression() );
    }
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        assertEquals( 1,
                      first.getConstraint().getDescrs().size() );

        // LiteralDescr constraint = (LiteralDescr) first.getDescrs().get( 0 );
        AndDescr and = (AndDescr) first.getConstraint();
        ExprConstraintDescr fld = (ExprConstraintDescr) and.getDescrs().get( 0 );
        assertNotNull( fld );

        assertEquals( "a==3",
                      fld.getExpression() );

        // Check second pattern
        final PatternDescr second = (PatternDescr) lhs.getDescrs().get( 1 );
        assertEquals( "foo4",
                      second.getIdentifier() );
        assertEquals( "Bar",
                      second.getObjectType() );

        assertEquals( 1,
                      second.getDescrs().size() );

        final ExprConstraintDescr fieldBindingDescr = (ExprConstraintDescr) second.getDescrs().get( 0 );
        assertEquals( "a4:a==4",
                      fieldBindingDescr.getExpression() );

        // Check third pattern
        final PatternDescr third = (PatternDescr) lhs.getDescrs().get( 2 );
        assertNull( third.getIdentifier() );
        assertEquals( "Baz",
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                      pattern.getObjectType() );
        assertEquals( 1,
                      pattern.getConstraint().getDescrs().size() );

        final AndDescr and = (AndDescr) pattern.getConstraint();
        final ExprConstraintDescr fld = (ExprConstraintDescr) and.getDescrs().get( 0 );

        assertEquals( "type == \"stilton\"",
                      fld.getExpression() );
    }
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        assertEquals( 1,
                      first.getConstraint().getDescrs().size() );

        AndDescr and = (AndDescr) first.getConstraint();
        ExprConstraintDescr fld = (ExprConstraintDescr) and.getDescrs().get( 0 );
        assertNotNull( fld );

        assertEquals( "a==3",
                      fld.getExpression() );

        // Check second pattern
        final PatternDescr second = (PatternDescr) lhs.getDescrs().get( 1 );
        assertEquals( "foo4",
                      second.getIdentifier() );
        assertEquals( "Bar",
                      second.getObjectType() );

        assertEquals( 1,
                      second.getDescrs().size() );
        // check it has field bindings.
        final ExprConstraintDescr bindingDescr = (ExprConstraintDescr) second.getDescrs().get( 0 );
        assertEquals( "a4:a==4",
                      bindingDescr.getExpression() );
    }
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        final PatternDescr cheese = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( "Cheese",
                      cheese.getObjectType() );
        assertEquals( 1,
                      cheese.getConstraint().getDescrs().size() );
        final ExprConstraintDescr fieldBinding = (ExprConstraintDescr) cheese.getDescrs().get( 0 );
        assertEquals( "$type:type",
                      fieldBinding.getExpression() );
    }
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        final PatternDescr cheese = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( "Cheese",
                      cheese.getObjectType() );
        assertEquals( 1,
                      cheese.getDescrs().size() );
        ExprConstraintDescr fieldBinding = (ExprConstraintDescr) cheese.getDescrs().get( 0 );
        assertEquals( "$type : type == \"stilton\"",
                      fieldBinding.getExpression() );

        final PatternDescr person = (PatternDescr) lhs.getDescrs().get( 1 );
        assertEquals( 2,
                      person.getDescrs().size() );
        fieldBinding = (ExprConstraintDescr) person.getDescrs().get( 0 );
        assertEquals( "$name : name == \"bob\"",
                      fieldBinding.getExpression() );

        ExprConstraintDescr fld = (ExprConstraintDescr) person.getDescrs().get( 1 );
        assertEquals( "likes == $type",
                      fld.getExpression() );
    }
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                      right.getObjectType() );

        assertEquals( 1,
                      left.getConstraint().getDescrs().size() );

        ExprConstraintDescr fld = (ExprConstraintDescr) left.getConstraint().getDescrs().get( 0 );

        assertEquals( "name == \"mark\"",
                      fld.getExpression() );

        assertEquals( 1,
                      right.getConstraint().getDescrs().size() );

        fld = (ExprConstraintDescr) right.getConstraint().getDescrs().get( 0 );

        assertEquals( "type == \"stilton\"",
                      fld.getExpression() );

        // now the "||" part
        final OrDescr or = (OrDescr) and.getDescrs().get( 2 );
        assertEquals( 2,
                      or.getDescrs().size() );
        left = (PatternDescr) or.getDescrs().get( 0 );
        right = (PatternDescr) or.getDescrs().get( 1 );
        assertEquals( "Person",
                      left.getObjectType() );
        assertEquals( "Cheese",
                      right.getObjectType() );
        assertEquals( 1,
                      left.getConstraint().getDescrs().size() );

        fld = (ExprConstraintDescr) left.getConstraint().getDescrs().get( 0 );

        assertEquals( "name == \"mark\"",
                      fld.getExpression() );

        assertEquals( 1,
                      right.getConstraint().getDescrs().size() );

        fld = (ExprConstraintDescr) right.getConstraint().getDescrs().get( 0 );

        assertEquals( "type == \"stilton\"",
                      fld.getExpression() );

        assertEqualsIgnoreWhitespace( "System.out.println( \"Mark and Michael\" );",
                                      (String) rule.getConsequence() );
    }
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        final PatternDescr col = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( 1,
                      col.getConstraint().getDescrs().size() );
        assertEquals( "Foo",
                      col.getObjectType() );
        final ExprConstraintDescr fld = (ExprConstraintDescr) col.getConstraint().getDescrs().get( 0 );

        assertEquals( "name== (a + b)",
                      fld.getExpression() );
    }
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        final PatternDescr col = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        AndDescr and = (AndDescr) col.getConstraint();
        assertEquals( 2,
                      and.getDescrs().size() );

        final ExprConstraintDescr field = (ExprConstraintDescr) col.getDescrs().get( 0 );
        final ExprConstraintDescr pred = (ExprConstraintDescr) and.getDescrs().get( 1 );
        assertEquals( "$age2:age",
                      field.getExpression() );
        assertEqualsIgnoreWhitespace( "$age2 == $age1+2",
                                      pred.getExpression() );
    }
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        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 2,
                      rule.getLhs().getDescrs().size() );

        PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final ExprConstraintDescr fieldBinding = (ExprConstraintDescr) pattern.getDescrs().get( 0 );
        assertEquals( "$likes:like",
                      fieldBinding.getExpression() );

        final NotDescr not = (NotDescr) rule.getLhs().getDescrs().get( 1 );
        pattern = (PatternDescr) not.getDescrs().get( 0 );

        final ExprConstraintDescr fld = (ExprConstraintDescr) pattern.getConstraint().getDescrs().get( 0 );

        assertEquals( "type == $likes",
                      fld.getExpression() );
    }
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Related Classes of org.drools.compiler.lang.descr.ExprConstraintDescr

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  • org.drools.compiler.compiler.xml.rules.FieldConstraintHandler
  • org.drools.compiler.compiler.xml.rules.PredicateHandler
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