Package org.drools.compiler.lang.descr

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

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                                             final PatternSourceDescr patternSource,
                                             final boolean isJavaDialect,
                                             final Map<String, String> boundParams,
                                             final PackageDataModelOracle dmo ) {
        if ( patternSource instanceof AccumulateDescr ) {
            AccumulateDescr accumulate = (AccumulateDescr) patternSource;
            FromAccumulateCompositeFactPattern fac = new FromAccumulateCompositeFactPattern();
            fac.setSourcePattern( parseBaseDescr( m,
                                                  accumulate.getInput(),
                                                  isJavaDialect,
                                                  boundParams,
                                                  dmo ) );

            FactPattern factPattern = new FactPattern( pattern.getObjectType() );
            factPattern.setBoundName( pattern.getIdentifier() );
            boundParams.put( factPattern.getBoundName(),
                             factPattern.getFactType() );
            parseConstraint( m,
                             factPattern,
                             pattern.getConstraint(),
                             isJavaDialect,
                             boundParams,
                             dmo );

            fac.setFactPattern( factPattern );
            for ( AccumulateDescr.AccumulateFunctionCallDescr func : accumulate.getFunctions() ) {
                String funcName = func.getFunction();
                boolean first = true;
                StringBuilder sb = new StringBuilder();
                for ( String param : func.getParams() ) {
                    if ( first ) {
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    public RuleConditionElement build( final RuleBuildContext context,
                                       final BaseDescr descr,
                                       final Pattern prefixPattern ) {

        final AccumulateDescr accumDescr = (AccumulateDescr) descr;
        if ( !accumDescr.hasValidInput() ) {
            return null;
        }

        // build source
        BaseDescr input = accumDescr.getInput();
        if( input instanceof AndDescr && ((AndDescr) input).getDescrs().size() == 1 ) {
            input = ((AndDescr) input).getDescrs().get( 0 );
        }
       
        final RuleConditionBuilder builder = (RuleConditionBuilder) context.getDialect().getBuilder( input.getClass() );
        final RuleConditionElement source = builder.build( context,
                                                           input );
        if ( source == null ) {
            return null;
        }

        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,
                                                    declsInScope,
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    public RuleConditionElement build( final RuleBuildContext context,
                                       final BaseDescr descr,
                                       final Pattern prefixPattern ) {
        boolean typesafe = context.isTypesafe();
        try {
            final AccumulateDescr accumDescr = (AccumulateDescr) descr;

            if ( !accumDescr.hasValidInput() ) {
                return null;
            }

            final RuleConditionBuilder builder = (RuleConditionBuilder) context.getDialect().getBuilder( accumDescr.getInput().getClass() );

            // create source CE
            final RuleConditionElement source = builder.build( context,
                                                               accumDescr.getInput() );

            if ( source == null ) {
                return null;
            }

            MVELDialect dialect = (MVELDialect) context.getDialect();

            Map<String, Declaration> decls = context.getDeclarationResolver().getDeclarations( context.getRule() );
            Map<String, Declaration> sourceOuterDeclr = source.getOuterDeclarations();

            Map<String, Declaration> mergedDecl = new HashMap( decls );
            mergedDecl.putAll( sourceOuterDeclr );

            Map<String, Class< ? >> declarationClasses = context.getDeclarationResolver().getDeclarationClasses( decls );
            declarationClasses.putAll( context.getDeclarationResolver().getDeclarationClasses( sourceOuterDeclr ) );

            BoundIdentifiers boundIds = new BoundIdentifiers( declarationClasses,
                                                              context.getPackageBuilder().getGlobals() );
            boundIds.setDeclarations( mergedDecl );

            Accumulator[] accumulators = null;

            final boolean readLocalsFromTuple = PackageBuilderUtil.isReadLocalsFromTuple(accumDescr, source);
           
            if ( accumDescr.isExternalFunction() ) {
                // uses accumulate functions
                accumulators = buildExternalFunctions( context,
                                                       accumDescr,
                                                       dialect,
                                                       decls,
                                                       sourceOuterDeclr,
                                                       boundIds,
                                                       readLocalsFromTuple );
            } else {
                // it is a custom accumulate
                accumulators = buildCustomAccumulate( context,
                                                      accumDescr,
                                                      source,
                                                      dialect,
                                                      decls,
                                                      sourceOuterDeclr,
                                                      boundIds,
                                                      readLocalsFromTuple );
            }

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

            MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( "mvel" );
            int index = 0;
            for ( Accumulator accumulator : accumulators ) {
                data.addCompileable( accumulate.new Wirer( index++ ),
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                                             PatternDescr pattern,
                                             PatternSourceDescr patternSource,
                                             Map<String, String> boundParams,
                                             PackageDataModelOracle dmo ) {
        if ( patternSource instanceof AccumulateDescr ) {
            AccumulateDescr accumulate = (AccumulateDescr) patternSource;
            FromAccumulateCompositeFactPattern fac = new FromAccumulateCompositeFactPattern();
            fac.setSourcePattern( parseBaseDescr( m, accumulate.getInput(), boundParams, dmo ) );

            FactPattern factPattern = new FactPattern( pattern.getObjectType() );
            factPattern.setBoundName( pattern.getIdentifier() );
            boundParams.put( factPattern.getBoundName(),
                             factPattern.getFactType() );
            parseConstraint( m,
                             factPattern,
                             pattern.getConstraint(),
                             boundParams,
                             dmo );

            fac.setFactPattern( factPattern );
            for ( AccumulateDescr.AccumulateFunctionCallDescr func : accumulate.getFunctions() ) {
                String funcName = func.getFunction();
                boolean first = true;
                StringBuilder sb = new StringBuilder();
                for ( String param : func.getParams() ) {
                    if ( first ) {
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                                             final PatternDescr pattern,
                                             final PatternSourceDescr patternSource,
                                             final Map<String, String> boundParams,
                                             final PackageDataModelOracle dmo ) {
        if ( patternSource instanceof AccumulateDescr ) {
            AccumulateDescr accumulate = (AccumulateDescr) patternSource;
            FromAccumulateCompositeFactPattern fac = new FromAccumulateCompositeFactPattern();
            fac.setSourcePattern( parseBaseDescr( m,
                                                  accumulate.getInput(),
                                                  boundParams,
                                                  dmo ) );

            FactPattern factPattern = new FactPattern( pattern.getObjectType() );
            factPattern.setBoundName( pattern.getIdentifier() );
            boundParams.put( factPattern.getBoundName(),
                             factPattern.getFactType() );
            parseConstraint( m,
                             factPattern,
                             pattern.getConstraint(),
                             boundParams,
                             dmo );

            fac.setFactPattern( factPattern );
            for ( AccumulateDescr.AccumulateFunctionCallDescr func : accumulate.getFunctions() ) {
                String funcName = func.getFunction();
                boolean first = true;
                StringBuilder sb = new StringBuilder();
                for ( String param : func.getParams() ) {
                    if ( first ) {
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    private IFactPattern parsePatternSource( PatternDescr pattern,
                                             PatternSourceDescr patternSource,
                                             Map<String, String> boundParams,
                                             PackageDataModelOracle dmo ) {
        if ( patternSource instanceof AccumulateDescr ) {
            AccumulateDescr accumulate = (AccumulateDescr) patternSource;
            FromAccumulateCompositeFactPattern fac = new FromAccumulateCompositeFactPattern();
            fac.setSourcePattern( parseBaseDescr( accumulate.getInput(), boundParams, dmo ) );
            fac.setFactPattern( new FactPattern( pattern.getObjectType() ) );
            for ( AccumulateDescr.AccumulateFunctionCallDescr func : accumulate.getFunctions() ) {
                String funcName = func.getFunction();
                boolean first = true;
                StringBuilder sb = new StringBuilder();
                for ( String param : func.getParams() ) {
                    if ( first ) {
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    private IFactPattern parsePatternSource( PatternDescr pattern,
                                             PatternSourceDescr patternSource,
                                             Map<String, String> boundParams ) {
        if ( patternSource instanceof AccumulateDescr ) {
            AccumulateDescr accumulate = (AccumulateDescr) patternSource;
            FromAccumulateCompositeFactPattern fac = new FromAccumulateCompositeFactPattern();
            fac.setSourcePattern( parseBaseDescr( accumulate.getInput(), boundParams ) );
            fac.setFactPattern( new FactPattern( pattern.getObjectType() ) );
            for ( AccumulateDescr.AccumulateFunctionCallDescr func : accumulate.getFunctions() ) {
                String funcName = func.getFunction();
                boolean first = true;
                StringBuilder sb = new StringBuilder();
                for ( String param : func.getParams() ) {
                    if ( first ) {
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    implements
        AccumulateDescrBuilder<P> {

    public AccumulateDescrBuilderImpl(P parent) {
        super( parent,
               new AccumulateDescr() );
    }
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                                             PatternDescr pattern,
                                             PatternSourceDescr patternSource,
                                             Map<String, String> boundParams,
                                             PackageDataModelOracle dmo ) {
        if ( patternSource instanceof AccumulateDescr ) {
            AccumulateDescr accumulate = (AccumulateDescr) patternSource;
            FromAccumulateCompositeFactPattern fac = new FromAccumulateCompositeFactPattern();
            fac.setSourcePattern( parseBaseDescr( m, accumulate.getInput(), boundParams, dmo ) );

            FactPattern factPattern = new FactPattern( pattern.getObjectType() );
            factPattern.setBoundName( pattern.getIdentifier() );
            boundParams.put( factPattern.getBoundName(),
                             factPattern.getFactType() );
            parseConstraint( m,
                             factPattern,
                             pattern.getConstraint(),
                             boundParams,
                             dmo );

            fac.setFactPattern( factPattern );
            for ( AccumulateDescr.AccumulateFunctionCallDescr func : accumulate.getFunctions() ) {
                String funcName = func.getFunction();
                boolean first = true;
                StringBuilder sb = new StringBuilder();
                for ( String param : func.getParams() ) {
                    if ( first ) {
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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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