Package org.drools.compiler.lang.descr

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

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

        final PatternDescr out = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final AccumulateDescr accum = (AccumulateDescr) out.getSource();
        assertEqualsIgnoreWhitespace( "$age",
                                      accum.getFunctions().get( 0 ).getParams()[0] );
        assertEqualsIgnoreWhitespace( "average",
                                      accum.getFunctions().get( 0 ).getFunction() );
        assertTrue( accum.isExternalFunction() );

        final PatternDescr pattern = (PatternDescr) accum.getInputPattern();
        assertEquals( "Person",
                      pattern.getObjectType() );
    }
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        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

        final PatternDescr out = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final AccumulateDescr accumulate = (AccumulateDescr) out.getSource();

        PatternDescr person = (PatternDescr) accumulate.getInputPattern();
        assertEquals( "Person",
                      person.getObjectType() );

        final CollectDescr collect2 = (CollectDescr) person.getSource();
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                      rule.getLhs().getDescrs().size() );

        PatternDescr out = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( "Object[]",
                      out.getObjectType() );
        AccumulateDescr accum = (AccumulateDescr) out.getSource();
        assertTrue( accum.isExternalFunction() );

        List<AccumulateFunctionCallDescr> functions = accum.getFunctions();
        assertEquals( 3,
                      functions.size() );
        assertEquals( "average",
                      functions.get( 0 ).getFunction() );
        assertEquals( "$a1",
                      functions.get( 0 ).getBind() );
        assertEquals( "$price",
                      functions.get( 0 ).getParams()[0] );

        assertEquals( "min",
                      functions.get( 1 ).getFunction() );
        assertEquals( "$m1",
                      functions.get( 1 ).getBind() );
        assertEquals( "$price",
                      functions.get( 1 ).getParams()[0] );

        assertEquals( "max",
                      functions.get( 2 ).getFunction() );
        assertEquals( "$M1",
                      functions.get( 2 ).getBind() );
        assertEquals( "$price",
                      functions.get( 2 ).getParams()[0] );

        final PatternDescr pattern = (PatternDescr) accum.getInputPattern();
        assertEquals( "Cheese",
                      pattern.getObjectType() );
    }
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                      out.getConstraint().getDescrs().size() );
        assertEquals( "$a1 > 10 && $M1 <= 100",
                      out.getConstraint().getDescrs().get( 0 ).toString() );
        assertEquals( "$m1 == 5",
                      out.getConstraint().getDescrs().get( 1 ).toString() );
        AccumulateDescr accum = (AccumulateDescr) out.getSource();
        assertTrue( accum.isExternalFunction() );

        List<AccumulateFunctionCallDescr> functions = accum.getFunctions();
        assertEquals( 3,
                      functions.size() );
        assertEquals( "average",
                      functions.get( 0 ).getFunction() );
        assertEquals( "$a1",
                      functions.get( 0 ).getBind() );
        assertEquals( "$price",
                      functions.get( 0 ).getParams()[0] );

        assertEquals( "min",
                      functions.get( 1 ).getFunction() );
        assertEquals( "$m1",
                      functions.get( 1 ).getBind() );
        assertEquals( "$price",
                      functions.get( 1 ).getParams()[0] );

        assertEquals( "max",
                      functions.get( 2 ).getFunction() );
        assertEquals( "$M1",
                      functions.get( 2 ).getBind() );
        assertEquals( "$price",
                      functions.get( 2 ).getParams()[0] );

        final PatternDescr pattern = (PatternDescr) accum.getInputPattern();
        assertEquals( "Cheese",
                      pattern.getObjectType() );
    }
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        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

        final PatternDescr outPattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final AccumulateDescr accum = (AccumulateDescr) outPattern.getSource();
        assertEqualsIgnoreWhitespace( "$counter",
                                      outPattern.getIdentifier() );
        assertEqualsIgnoreWhitespace( "int x = 0 ;",
                                      accum.getInitCode() );
        assertEqualsIgnoreWhitespace( "x++;",
                                      accum.getActionCode() );
        assertEqualsIgnoreWhitespace( "new Integer(x)",
                                      accum.getResultCode() );

        final AndDescr and = (AndDescr) accum.getInput();
        assertEquals( 2,
                      and.getDescrs().size() );
        final PatternDescr person = (PatternDescr) and.getDescrs().get( 0 );
        final PatternDescr cheese = (PatternDescr) and.getDescrs().get( 1 );
        assertEquals( "Person",
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        assertEquals( patterncheese.getIdentifier(),
                      "cheese" );
        assertEquals( patterncheese.getObjectType(),
                      "Cheese" );

        AccumulateDescr accumulatedescr = (AccumulateDescr) patterncheese.getSource();
        assertEquals( "total += $cheese.getPrice();",
                      accumulatedescr.getActionCode() );
        assertEquals( "int total = 0;",
                      accumulatedescr.getInitCode() );
        assertEquals( "new Integer( total ) );",
                      accumulatedescr.getResultCode() );

        patternobj = obj.getLhs().getDescrs().get( 1 );
        assertTrue( patternobj instanceof PatternDescr );

        final PatternDescr patternmax = (PatternDescr) patternobj;
        assertEquals( patternmax.getIdentifier(),
                      "max" );
        assertEquals( patternmax.getObjectType(),
                      "Number" );

        accumulatedescr = (AccumulateDescr) patternmax.getSource();

        assertTrue( accumulatedescr.isExternalFunction() );

        assertEquals( "max",
                      accumulatedescr.getFunctions().get( 0 ).getFunction() );

        assertNull( accumulatedescr.getInitCode() );
        assertNull( accumulatedescr.getActionCode() );
        assertNull( accumulatedescr.getResultCode() );
        assertNull( accumulatedescr.getReverseCode() );

    }
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        assertEquals( patterncheese.getIdentifier(),
                      "cheese" );
        assertEquals( patterncheese.getObjectType(),
                      "Cheese" );

        AccumulateDescr accumulatedescr = (AccumulateDescr) patterncheese.getSource();
        assertEquals( "total += $cheese.getPrice();",
                      accumulatedescr.getActionCode() );
        assertEquals( "int total = 0;",
                      accumulatedescr.getInitCode() );
        assertEquals( "new Integer( total ) );",
                      accumulatedescr.getResultCode() );

        AndDescr anddescr = (AndDescr) accumulatedescr.getInput();

        List descrlist = anddescr.getDescrs();

        PatternDescr[] listpattern = (PatternDescr[]) descrlist.toArray( new PatternDescr[descrlist.size()] );
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                                                               ruleDescr,
                                                               dialectRegistry,
                                                               pkg,
                                                               mvelDialect );

        final AccumulateDescr accDescr = new AccumulateDescr();
        final PatternDescr inputPattern = new PatternDescr( "org.drools.compiler.Cheese",
                                                            "$cheese" );
        accDescr.setInputPattern( inputPattern );
        accDescr.setInitCode( "total = 0;" );
        accDescr.setActionCode( "total += $cheese.price;" );
        accDescr.setReverseCode( "total -= $cheese.price;" );
        accDescr.setResultCode( "new Integer(total)" );

        final MVELAccumulateBuilder builder = new MVELAccumulateBuilder();
        final Accumulate acc = (Accumulate) builder.build( context,
                                                           accDescr );
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    }

    @Test
    public void testBuildRuleBuildContextBaseDescr() {
        // $total : Integer() from accumulate( Cheese( $price : price ) init( int x = 0; ) action( x += $price ) result( new Integer( x ) ) )
        AccumulateDescr accumDescr = new AccumulateDescr();
       
        BindingDescr price = new BindingDescr( "$price", "price" );
        PatternDescr cheeseDescr = new PatternDescr( "org.drools.compiler.Cheese" );
        cheeseDescr.addConstraint( price );
        accumDescr.setInputPattern( cheeseDescr );
       
        accumDescr.setInitCode( "int x = 0; int y = 0;" );
        accumDescr.setActionCode( "x += $price;" );
        accumDescr.setResultCode( "new Integer( x )" );
       
        //org.drools.core.rule.Package pkg = new org.kie.rule.Package( "org.kie" );
        final KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl();
        pkgBuilder.addPackage( new PackageDescr( "org.drools" ) );
        final KnowledgeBuilderConfigurationImpl conf = pkgBuilder.getBuilderConfiguration();
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        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

        final PatternDescr outPattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final AccumulateDescr accum = (AccumulateDescr) outPattern.getSource();
        assertEqualsIgnoreWhitespace( "int x = 0 ;",
                                      accum.getInitCode() );
        assertEqualsIgnoreWhitespace( "x++;",
                                      accum.getActionCode() );
        assertNull( accum.getReverseCode() );
        assertEqualsIgnoreWhitespace( "new Integer(x)",
                                      accum.getResultCode() );

        assertFalse( accum.isExternalFunction() );

        final PatternDescr pattern = (PatternDescr) accum.getInputPattern();
        assertEquals( "Person",
                      pattern.getObjectType() );
    }
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Related Classes of org.drools.compiler.lang.descr.AccumulateDescr

  • org.drools.compiler.compiler.xml.rules.AccumulateHandler
  • org.drools.compiler.compiler.xml.rules.AccumulateHelperHandler
  • org.drools.compiler.compiler.xml.rules.XmlPackageReaderTest
  • org.drools.compiler.lang.api.impl.AccumulateDescrBuilderImpl
  • org.drools.compiler.lang.RuleParserTest
  • org.drools.compiler.rule.builder.dialect.java.JavaAccumulateBuilder
  • org.drools.compiler.rule.builder.dialect.java.JavaAccumulateBuilderTest
  • org.drools.compiler.rule.builder.dialect.mvel.MVELAccumulateBuilder
  • org.drools.compiler.rule.builder.dialect.mvel.MVELAccumulateBuilderTest
  • org.drools.guvnor.models.commons.backend.rule.BRDRLPersistence
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