Package org.drools.core.rule

Examples of org.drools.core.rule.Accumulate$Wirer

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                                   LeftTupleSets trgLeftTuples) {
            BetaMemory bm = am.getBetaMemory();
            LeftTupleMemory ltm = bm.getLeftTupleMemory();
            ContextEntry[] contextEntry = bm.getContext();
            BetaConstraints constraints = accNode.getRawConstraints();
            Accumulate accumulate = accNode.getAccumulate();

            for (RightTuple rightTuple = srcRightTuples.getUpdateFirst(); rightTuple != null; ) {
                RightTuple next = rightTuple.getStagedNext();
                PropagationContext context = rightTuple.getPropagationContext();
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                                  LeftTupleSets srcLeftTuples,
                                  LeftTupleSets trgLeftTuples) {
            BetaMemory bm = am.getBetaMemory();
            LeftTupleMemory ltm = bm.getLeftTupleMemory();
            //ContextEntry[] contextEntry = bm.getContext();
            Accumulate accumulate = accNode.getAccumulate();

            for (LeftTuple leftTuple = srcLeftTuples.getDeleteFirst(); leftTuple != null; ) {
                LeftTuple next = leftTuple.getStagedNext();
                if (leftTuple.getMemory() != null) {
                    // it may have been staged and never actually added
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                                   AccumulateMemory am,
                                   InternalWorkingMemory wm,
                                   RightTupleSets srcRightTuples,
                                   LeftTupleSets trgLeftTuples) {
            RightTupleMemory rtm = am.getBetaMemory().getRightTupleMemory();
            Accumulate accumulate = accNode.getAccumulate();

            for (RightTuple rightTuple = srcRightTuples.getDeleteFirst(); rightTuple != null; ) {
                RightTuple next = rightTuple.getStagedNext();
                if (rightTuple.getMemory() != null) {
                    // it may have been staged and never actually added
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        final boolean readLocalsFromTuple = PackageBuilderUtil.isReadLocalsFromTuple(accumDescr, source);
       
        Map<String, Declaration> declsInScope = context.getDeclarationResolver().getDeclarations( context.getRule() );
        Map<String, Class< ? >> declCls = DeclarationScopeResolver.getDeclarationClasses( declsInScope );

        Accumulate accumulate;
        if ( accumDescr.isExternalFunction() ) {
            // if it uses 1+ external function, build methods for them
            accumulate = buildExternalFunctionCall( context,
                                                    accumDescr,
                                                    source,
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                                                                      usedIdentifiers,
                                                                      previousDeclarations,
                                                                      readLocalsFromTuple );
        }

        return new Accumulate(source,
                requiredDecl.toArray(new Declaration[requiredDecl.size()]),
                accumulators,
                accumDescr.isMultiFunction());
    }
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        }

        map.put( "hashCode",
                actionCode.hashCode());

        Accumulate accumulate = new Accumulate(source, declarations);

        generateTemplates("accumulateInnerClass",
                "accumulateInvoker",
                context,
                className,
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                                                      sourceOuterDeclr,
                                                      boundIds,
                                                      readLocalsFromTuple );
            }

            final Accumulate accumulate = new Accumulate( source,
                                                          null,
                                                          accumulators,
                                                          accumDescr.isMultiFunction() );

            MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( "mvel" );
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        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 );

        ((MVELCompileable) acc.getAccumulators()[0]).compile( (MVELDialectRuntimeData) pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectRuntimeRegistry().getDialectData( "mvel" ) );

        final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
        final WorkingMemory wm = ruleBase.newStatefulSession();

        MockLeftTupleSink sink = new MockLeftTupleSink();
        final Cheese cheddar1 = new Cheese( "cheddar",
                                            10 );
        final Cheese cheddar2 = new Cheese( "cheddar",
                                            8 );
        final InternalFactHandle f0 = (InternalFactHandle) wm.insert( new InitialFactImpl() );
        final InternalFactHandle f1 = (InternalFactHandle) wm.insert( cheddar1 );
        final InternalFactHandle f2 = (InternalFactHandle) wm.insert( cheddar2 );
        final LeftTupleImpl tuple = new LeftTupleImpl( f0,
                                               sink,
                                               true );

        Object[] wmContext = acc.createWorkingMemoryContext();
        Object[] accContext = acc.createContext();
        acc.init( wmContext,
                  accContext,
                  tuple,
                  wm );

        acc.accumulate( wmContext,
                        accContext,
                        tuple,
                        f1,
                        wm );
        acc.accumulate( wmContext,
                        accContext,
                        tuple,
                        f2,
                        wm );

        assertEquals( new Integer( 18 ),
                      acc.getResult( wmContext,
                                     accContext,
                                     tuple,
                                     wm )[0] );

        acc.reverse( wmContext,
                     accContext,
                     tuple,
                     f1,
                     wm );

        assertEquals( new Integer( 8 ),
                      acc.getResult( wmContext,
                                     accContext,
                                     tuple,
                                     wm )[0] );
    }
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        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 );

        ((MVELCompileable) acc.getAccumulators()[0]).compile( (MVELDialectRuntimeData) pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectRuntimeRegistry().getDialectData( "mvel" ) );

        InternalKnowledgeBase kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase();
        StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl)kBase.newStatefulKnowledgeSession();

        MockLeftTupleSink sink = new MockLeftTupleSink();
        final Cheese cheddar1 = new Cheese( "cheddar",
                                            10 );
        final Cheese cheddar2 = new Cheese( "cheddar",
                                            8 );
        final InternalFactHandle f0 = (InternalFactHandle) ksession.insert( new InitialFactImpl() );
        final InternalFactHandle f1 = (InternalFactHandle) ksession.insert( cheddar1 );
        final InternalFactHandle f2 = (InternalFactHandle) ksession.insert( cheddar2 );
        final LeftTupleImpl tuple = new LeftTupleImpl( f0,
                                               sink,
                                               true );

        Object[] wmContext = acc.createWorkingMemoryContext();
        Object[] accContext = acc.createContext();
        acc.init( wmContext,
                  accContext,
                  tuple,
                  ksession );

        acc.accumulate( wmContext,
                        accContext,
                        tuple,
                        f1,
                        ksession );
        acc.accumulate( wmContext,
                        accContext,
                        tuple,
                        f2,
                        ksession );

        assertEquals( new Integer( 18 ),
                      acc.getResult( wmContext,
                                     accContext,
                                     tuple,
                                     ksession )[0] );

        acc.reverse( wmContext,
                     accContext,
                     tuple,
                     f1,
                     ksession );

        assertEquals( new Integer( 8 ),
                      acc.getResult( wmContext,
                                     accContext,
                                     tuple,
                                     ksession )[0] );
    }
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        Dialect dialect = dialectRegistry.getDialect( "java" );
               
        RuleDescr ruleDescr = new RuleDescr("test rule");
        RuleBuildContext context = new RuleBuildContext( pkgBuilder, ruleDescr, dialectRegistry, pkg, dialect);
       
        Accumulate accumulate = (Accumulate) builder.build( context, accumDescr );
        String generatedCode = (String) context.getMethods().get( 0 );
       
        assertTrue( generatedCode.contains( "private int x;" ) );
        assertTrue( generatedCode.contains( "private int y;" ) );
        assertTrue( generatedCode.contains( "x = 0;y = 0;" ) );
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Related Classes of org.drools.core.rule.Accumulate$Wirer

  • 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.core.phreak.PhreakAccumulateNode
  • org.drools.core.phreak.RuleNetworkEvaluator$PhreakAccumulateNode
  • org.drools.core.reteoo.AccumulateNodeTest
  • org.drools.core.reteoo.builder.AccumulateBuilder
  • org.drools.core.reteoo.builder.CollectBuilder
  • org.drools.core.reteoo.test.dsl.AccumulateNodeStep
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