Examples with AcceptsClassObjectType org.drools.core.spi.AcceptsClassObjectType used on opensource projects

Example 1 with AcceptsClassObjectType

use of org.drools.core.spi.AcceptsClassObjectType in project drools by kiegroup.

the class PatternBuilder method buildPattern.

private Pattern buildPattern(RuleBuildContext context, PatternDescr patternDescr, ObjectType objectType) {
    String patternIdentifier = patternDescr.getIdentifier();
    boolean duplicateBindings = patternIdentifier != null && objectType instanceof ClassObjectType && context.getDeclarationResolver().isDuplicated(context.getRule(), patternIdentifier, objectType.getClassName());
    Pattern pattern;
    if (!StringUtils.isEmpty(patternIdentifier) && !duplicateBindings) {
        pattern = new Pattern(context.getNextPatternId(), // offset is 0 by default
        0, objectType, patternIdentifier, patternDescr.isInternalFact(context));
        if (objectType instanceof ClassObjectType) {
            // make sure PatternExtractor is wired up to correct ClassObjectType and set as a target for rewiring
            context.getPkg().getClassFieldAccessorStore().wireObjectType(objectType, (AcceptsClassObjectType) pattern.getDeclaration().getExtractor());
        }
    } else {
        pattern = new Pattern(context.getNextPatternId(), // offset is 0 by default
        0, objectType, null);
    }
    pattern.setPassive(patternDescr.isPassive(context));
    if (ClassObjectType.Match_ObjectType.isAssignableFrom(pattern.getObjectType())) {
        PropertyHandler handler = PropertyHandlerFactory.getPropertyHandler(RuleTerminalNodeLeftTuple.class);
        if (handler == null) {
            PropertyHandlerFactoryFixer.getPropertyHandlerClass().put(RuleTerminalNodeLeftTuple.class, new ActivationPropertyHandler());
        }
    }
    // adding the newly created pattern to the build stack this is necessary in case of local declaration usage
    context.getDeclarationResolver().pushOnBuildStack(pattern);
    if (duplicateBindings) {
        processDuplicateBindings(patternDescr.isUnification(), patternDescr, pattern, patternDescr, "this", patternDescr.getIdentifier(), context);
    }
    return pattern;
}

Example 2 with AcceptsClassObjectType

use of org.drools.core.spi.AcceptsClassObjectType in project drools by kiegroup.

the class PatternBuilderForAbductiveQuery method postBuild.

@Override
protected void postBuild(RuleBuildContext context, QueryDescr queryDescr, QueryImpl query, String[] params, String[] types, Declaration[] declarations) {
    int numParams = queryDescr.getParameters().length;
    String returnName = "";
    try {
        AnnotationDescr ann = queryDescr.getAnnotation(query.getAbductiveAnnotationClass());
        Object[] argsVal = ((Object[]) ann.getValue("args"));
        String[] args = argsVal != null ? Arrays.copyOf(argsVal, argsVal.length, String[].class) : null;
        returnName = types[numParams];
        Class<?> abductionReturnKlass = query.getAbductionClass(annotationClass -> getTypedAnnotation(queryDescr, annotationClass));
        ObjectType objectType = context.getPkg().wireObjectType(new ClassObjectType(abductionReturnKlass, false), (AcceptsClassObjectType) query);
        query.setReturnType(objectType, params, args, declarations);
    } catch (NoSuchMethodException e) {
        context.addError(new DescrBuildError(context.getParentDescr(), queryDescr, e, "Unable to resolve abducible constructor for type : " + returnName + " with types " + Arrays.toString(types)));
    } catch (IllegalArgumentException e) {
        context.addError(new DescrBuildError(context.getParentDescr(), queryDescr, e, e.getMessage()));
    }
}

Example 3 with AcceptsClassObjectType

use of org.drools.core.spi.AcceptsClassObjectType in project drools by kiegroup.

the class JavaRuleBuilderHelper method createConsequenceContext.

public static Map<String, Object> createConsequenceContext(final RuleBuildContext context, String consequenceName, String className, String consequenceText, Map<String, Declaration> decls, final BoundIdentifiers usedIdentifiers) {
    final Declaration[] declarations = new Declaration[usedIdentifiers.getDeclrClasses().size()];
    String[] declrStr = new String[declarations.length];
    int j = 0;
    for (String str : usedIdentifiers.getDeclrClasses().keySet()) {
        declrStr[j] = str;
        declarations[j++] = decls.get(str);
    }
    Arrays.sort(declarations, RuleTerminalNode.SortDeclarations.instance);
    for (int i = 0; i < declrStr.length; i++) {
        declrStr[i] = declarations[i].getIdentifier();
    }
    context.getRule().setRequiredDeclarationsForConsequence(consequenceName, declrStr);
    final Map<String, Object> map = createVariableContext(className, consequenceText, context, declarations, null, usedIdentifiers.getGlobals());
    map.put("consequenceName", consequenceName);
    // final int[] indexes = new int[declarations.length];
    final Integer[] indexes = new Integer[declarations.length];
    final Boolean[] notPatterns = new Boolean[declarations.length];
    for (int i = 0, length = declarations.length; i < length; i++) {
        indexes[i] = i;
        notPatterns[i] = (declarations[i].getExtractor() instanceof AcceptsClassObjectType) ? Boolean.FALSE : Boolean.TRUE;
        if (indexes[i] == -1) {
            context.addError(new DescrBuildError(context.getParentDescr(), context.getRuleDescr(), null, "Internal Error : Unable to find declaration in list while generating the consequence invoker"));
        }
    }
    map.put("indexes", indexes);
    map.put("notPatterns", notPatterns);
    return map;
}

Example 4 with AcceptsClassObjectType

use of org.drools.core.spi.AcceptsClassObjectType in project drools by kiegroup.

the class PatternBuilder method buildPattern.

private Pattern buildPattern(RuleBuildContext context, PatternDescr patternDescr, Declaration xpathStartDeclaration, ObjectType objectType) {
    String patternIdentifier = patternDescr.getIdentifier();
    boolean duplicateBindings = patternIdentifier != null && objectType instanceof ClassObjectType && context.getDeclarationResolver().isDuplicated(context.getRule(), patternIdentifier, objectType.getClassName());
    Pattern pattern;
    if (!StringUtils.isEmpty(patternIdentifier) && !duplicateBindings) {
        pattern = new Pattern(context.getNextPatternId(), // offset is 0 by default
        0, // offset is 0 by default
        0, objectType, patternIdentifier, isInternalFact(patternDescr, context));
        if (objectType instanceof ClassObjectType) {
            // make sure PatternExtractor is wired up to correct ClassObjectType and set as a target for rewiring
            context.getPkg().wireObjectType(objectType, (AcceptsClassObjectType) pattern.getDeclaration().getExtractor());
        }
    } else {
        pattern = new Pattern(context.getNextPatternId(), // tupleIndex is 0 by default
        0, // patternIndex is 0 by default
        0, objectType, null);
    }
    pattern.setPassive(isPassivePattern(patternDescr, context));
    // adding the newly created pattern to the build stack this is necessary in case of local declaration usage
    context.getDeclarationResolver().pushOnBuildStack(pattern);
    if (duplicateBindings) {
        processDuplicateBindings(patternDescr.isUnification(), patternDescr, xpathStartDeclaration, pattern, patternDescr, "this", patternDescr.getIdentifier(), context);
    }
    return pattern;
}

Example 5 with AcceptsClassObjectType

use of org.drools.core.spi.AcceptsClassObjectType in project drools by kiegroup.

the class ClassFieldAccessorStore method wireObjectType.

public ObjectType wireObjectType(ObjectType objectType, AcceptsClassObjectType target) {
    if (!(objectType instanceof ClassObjectType)) {
        return objectType;
    }
    AccessorKey key = new AccessorKey(objectType.getClassName(), objectType.isEvent() ? "$$DROOLS__isEvent__" : null, AccessorKey.AccessorType.ClassObjectType);
    ClassObjectTypeLookupEntry entry = (ClassObjectTypeLookupEntry) this.lookup.computeIfAbsent(key, k -> new ClassObjectTypeLookupEntry(cache.getClassObjectType((ClassObjectType) objectType, false)));
    if (target != null) {
        target.setClassObjectType(entry.getClassObjectType());
    }
    return entry.getClassObjectType();
}