Package org.drools.compiler.lang.descr

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

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        assertEquals( 1,
                      lhs.getDescrs().size() );
        final NotDescr not = (NotDescr) lhs.getDescrs().get( 0 );
        assertEquals( 1,
                      not.getDescrs().size() );
        final PatternDescr pattern = (PatternDescr) not.getDescrs().get( 0 );

        assertEquals( "Cheese",
                      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( 2,
                      lhs.getDescrs().size() );
        final NotDescr not = (NotDescr) lhs.getDescrs().get( 0 );
        assertEquals( 1,
                      not.getDescrs().size() );
        final PatternDescr pattern = (PatternDescr) not.getDescrs().get( 0 );

        assertEquals( "Cheese",
                      pattern.getObjectType() );

        final ExistsDescr ex = (ExistsDescr) lhs.getDescrs().get( 1 );
        assertEquals( 1,
                      ex.getDescrs().size() );
        final PatternDescr exPattern = (PatternDescr) ex.getDescrs().get( 0 );
        assertEquals( "Foo",
                      exPattern.getObjectType() );
    }
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        assertEquals( 3,
                      lhs.getDescrs().size() );

        // Check first pattern
        final PatternDescr first = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( "foo3",
                      first.getIdentifier() );
        assertEquals( "Bar",
                      first.getObjectType() );

        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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                      lhs.getDescrs().size() );
        assertEqualsIgnoreWhitespace( "System.out.println(\"I like \" + t);",
                                      (String) rule0.getConsequence() );

        // Check first pattern
        PatternDescr first = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( "Cheese",
                      first.getObjectType() );

        // checkout the second rule
        lhs = rule1.getLhs();
        assertNotNull( lhs );
        assertEquals( 1,
                      lhs.getDescrs().size() );
        assertEqualsIgnoreWhitespace( "System.out.println(\"I like \" + t);",
                                      (String) rule1.getConsequence() );

        // Check first pattern
        first = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( "Cheese",
                      first.getObjectType() );
    }
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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 );
        assertEquals( "Person",
                      pattern.getObjectType() );

        assertEquals( 2,
                      pattern.getConstraint().getDescrs().size() );
        assertEquals( "age < 42",
                      ((ExprConstraintDescr) pattern.getConstraint().getDescrs().get( 0 )).getExpression() );
        assertEquals( "location==atlanta",
                      ((ExprConstraintDescr) pattern.getConstraint().getDescrs().get( 1 )).getExpression() );

        pattern = (PatternDescr) rule.getLhs().getDescrs().get( 1 );
        assertEquals( "Bar",
                      pattern.getObjectType() );

        assertNotNull( (String) rule.getConsequence() );

    }
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        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

        final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( "Person",
                      pattern.getObjectType() );

        assertEquals( 2,
                      pattern.getConstraint().getDescrs().size() );
        assertEquals( "age < 42",
                      ((ExprConstraintDescr) pattern.getConstraint().getDescrs().get( 0 )).getExpression() );
        assertEquals( "location==atlanta",
                      ((ExprConstraintDescr) pattern.getConstraint().getDescrs().get( 1 )).getExpression() );

        assertNotNull( (String) rule.getConsequence() );

    }
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        final RuleDescr ruleDescr = (RuleDescr) pkg.getRules().get( 0 );

        final AndDescr lhs = ruleDescr.getLhs();
        assertEquals( 1,
                      lhs.getDescrs().size() );
        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 RuleDescr ruleDescr = (RuleDescr) pkg.getRules().get( 0 );

        final AndDescr lhs = ruleDescr.getLhs();
        assertEquals( 2,
                      lhs.getDescrs().size() );
        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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        final OrDescr or = (OrDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( 2,
                      or.getDescrs().size() );

        final PatternDescr first = (PatternDescr) or.getDescrs().get( 0 );
        assertEquals( "Person",
                      first.getObjectType() );

        final AndDescr and = (AndDescr) or.getDescrs().get( 1 );
        assertEquals( 2,
                      and.getDescrs().size() );

        final PatternDescr left = (PatternDescr) and.getDescrs().get( 0 );
        assertEquals( "Person",
                      left.getObjectType() );

        final PatternDescr right = (PatternDescr) and.getDescrs().get( 1 );
        assertEquals( "Cheese",
                      right.getObjectType() );
    }
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        // we will have 3 children under the main And node
        final AndDescr and = rule.getLhs();
        assertEquals( 3,
                      and.getDescrs().size() );

        PatternDescr left = (PatternDescr) and.getDescrs().get( 0 );
        PatternDescr right = (PatternDescr) and.getDescrs().get( 1 );
        assertEquals( "Person",
                      left.getObjectType() );
        assertEquals( "Cheese",
                      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\" );",
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Related Classes of org.drools.compiler.lang.descr.PatternDescr

  • org.drools.compiler.builder.impl.ClassDefinitionFactory
  • org.drools.compiler.builder.impl.ClassHierarchyManager
  • org.drools.compiler.builder.impl.KnowledgeBuilderTest
  • org.drools.compiler.builder.impl.TypeDeclarationBuilder
  • org.drools.compiler.compiler.PackageBuilder
  • org.drools.compiler.compiler.PackageBuilderTest
  • org.drools.compiler.compiler.QueryBuilderTest
  • org.drools.compiler.compiler.xml.rules.AccumulateHandler
  • org.drools.compiler.compiler.xml.rules.CollectHandler
  • org.drools.compiler.compiler.xml.rules.ExprConstraintHandler
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