Examples with JExpression com.sun.codemodel.JExpression used on opensource projects

Example 11 with JExpression

use of com.sun.codemodel.JExpression in project jsonschema2pojo by joelittlejohn.

the class DynamicPropertiesRule method addInternalGetMethodJava6.

private JMethod addInternalGetMethodJava6(JDefinedClass jclass, JsonNode propertiesNode) {
    JMethod method = jclass.method(PROTECTED, jclass.owner()._ref(Object.class), DEFINED_GETTER_NAME);
    JVar nameParam = method.param(String.class, "name");
    JVar notFoundParam = method.param(jclass.owner()._ref(Object.class), "notFoundValue");
    JBlock body = method.body();
    JConditional propertyConditional = null;
    if (propertiesNode != null) {
        for (Iterator<Map.Entry<String, JsonNode>> properties = propertiesNode.fields(); properties.hasNext(); ) {
            Map.Entry<String, JsonNode> property = properties.next();
            String propertyName = property.getKey();
            JsonNode node = property.getValue();
            String fieldName = ruleFactory.getNameHelper().getPropertyName(propertyName, node);
            JType propertyType = jclass.fields().get(fieldName).type();
            JExpression condition = lit(propertyName).invoke("equals").arg(nameParam);
            if (propertyConditional == null) {
                propertyConditional = body._if(condition);
            } else {
                propertyConditional = propertyConditional._elseif(condition);
            }
            JMethod propertyGetter = jclass.getMethod(getGetterName(propertyName, propertyType, node), new JType[] {});
            propertyConditional._then()._return(invoke(propertyGetter));
        }
    }
    JClass extendsType = jclass._extends();
    JBlock lastBlock = propertyConditional == null ? body : propertyConditional._else();
    if (extendsType != null && extendsType instanceof JDefinedClass) {
        JDefinedClass parentClass = (JDefinedClass) extendsType;
        JMethod parentMethod = parentClass.getMethod(DEFINED_GETTER_NAME, new JType[] { parentClass.owner()._ref(String.class), parentClass.owner()._ref(Object.class) });
        lastBlock._return(_super().invoke(parentMethod).arg(nameParam).arg(notFoundParam));
    } else {
        lastBlock._return(notFoundParam);
    }
    return method;
}

Example 12 with JExpression

use of com.sun.codemodel.JExpression in project jsonschema2pojo by joelittlejohn.

the class EnumRule method addFactoryMethod.

private void addFactoryMethod(JDefinedClass _enum, JType backingType) {
    JFieldVar quickLookupMap = addQuickLookupMap(_enum, backingType);
    JMethod fromValue = _enum.method(JMod.PUBLIC | JMod.STATIC, _enum, "fromValue");
    JVar valueParam = fromValue.param(backingType, "value");
    JBlock body = fromValue.body();
    JVar constant = body.decl(_enum, "constant");
    constant.init(quickLookupMap.invoke("get").arg(valueParam));
    JConditional _if = body._if(constant.eq(JExpr._null()));
    JInvocation illegalArgumentException = JExpr._new(_enum.owner().ref(IllegalArgumentException.class));
    JExpression expr = valueParam;
    // if string no need to add ""
    if (!isString(backingType)) {
        expr = expr.plus(JExpr.lit(""));
    }
    illegalArgumentException.arg(expr);
    _if._then()._throw(illegalArgumentException);
    _if._else()._return(constant);
    ruleFactory.getAnnotator().enumCreatorMethod(fromValue);
}

Example 13 with JExpression

use of com.sun.codemodel.JExpression in project rest.li by linkedin.

the class JavaRequestBuilderGenerator method generateResourceFacade.

private JDefinedClass generateResourceFacade(ResourceSchema resource, File sourceFile, Map<String, JClass> pathKeyTypes, Map<String, JClass> assocKeyTypes, Map<String, List<String>> pathToAssocKeys) throws JClassAlreadyExistsException, IOException {
    final ValidationResult validationResult = ValidateDataAgainstSchema.validate(resource.data(), resource.schema(), new ValidationOptions(RequiredMode.MUST_BE_PRESENT));
    if (!validationResult.isValid()) {
        throw new IllegalArgumentException(String.format("Resource validation error.  Resource File '%s', Error Details '%s'", sourceFile, validationResult.toString()));
    }
    final String packageName = resource.getNamespace();
    final JPackage clientPackage = (packageName == null || packageName.isEmpty()) ? getPackage() : getPackage(packageName);
    final String className;
    if (_version == RestliVersion.RESTLI_2_0_0) {
        className = getBuilderClassNameByVersion(RestliVersion.RESTLI_2_0_0, null, resource.getName(), true);
    } else {
        className = getBuilderClassNameByVersion(RestliVersion.RESTLI_1_0_0, null, resource.getName(), true);
    }
    final JDefinedClass facadeClass = clientPackage._class(className);
    annotate(facadeClass, sourceFile.getAbsolutePath());
    final JFieldVar baseUriField;
    final JFieldVar requestOptionsField;
    final JExpression baseUriGetter = JExpr.invoke("getBaseUriTemplate");
    final JExpression requestOptionsGetter = JExpr.invoke("getRequestOptions");
    if (_version == RestliVersion.RESTLI_2_0_0) {
        baseUriField = null;
        requestOptionsField = null;
        facadeClass._extends(BuilderBase.class);
    } else {
        // for old builder, instead of extending from RequestBuilderBase, add fields and getters in the class
        baseUriField = facadeClass.field(JMod.PRIVATE | JMod.FINAL, String.class, "_baseUriTemplate");
        requestOptionsField = facadeClass.field(JMod.PRIVATE, RestliRequestOptions.class, "_requestOptions");
        facadeClass.method(JMod.PRIVATE, String.class, "getBaseUriTemplate").body()._return(baseUriField);
        facadeClass.method(JMod.PUBLIC, RestliRequestOptions.class, "getRequestOptions").body()._return(requestOptionsField);
    }
    // make the original resource path available via a private final static variable.
    final JFieldVar originalResourceField = facadeClass.field(JMod.PRIVATE | JMod.STATIC | JMod.FINAL, String.class, "ORIGINAL_RESOURCE_PATH");
    final String resourcePath = getResourcePath(resource.getPath());
    originalResourceField.init(JExpr.lit(resourcePath));
    // create reference to RestliRequestOptions.DEFAULT_OPTIONS
    final JClass restliRequestOptionsClass = getCodeModel().ref(RestliRequestOptions.class);
    final JFieldRef defaultOptionsField = restliRequestOptionsClass.staticRef("DEFAULT_OPTIONS");
    if (_version == RestliVersion.RESTLI_1_0_0) {
        // same getPathComponents() logic as in RequestBuilderBase
        final JMethod pathComponentsGetter = facadeClass.method(JMod.PUBLIC, String[].class, "getPathComponents");
        pathComponentsGetter.body()._return(getCodeModel().ref(URIParamUtils.class).staticInvoke("extractPathComponentsFromUriTemplate").arg(baseUriField));
        // method that expresses the following logic
        //   (requestOptions == null) ? return RestliRequestOptions.DEFAULT_OPTIONS : requestOptions;
        final JMethod requestOptionsAssigner = facadeClass.method(JMod.PRIVATE | JMod.STATIC, RestliRequestOptions.class, "assignRequestOptions");
        final JVar requestOptionsAssignerParam = requestOptionsAssigner.param(RestliRequestOptions.class, "requestOptions");
        final JConditional requestNullCheck = requestOptionsAssigner.body()._if(requestOptionsAssignerParam.eq(JExpr._null()));
        requestNullCheck._then().block()._return(defaultOptionsField);
        requestNullCheck._else().block()._return(requestOptionsAssignerParam);
    }
    /*
    There will be 4 constructors:
      ()
      (RestliRequestOptions)
      (String)
      (String, RestliRequestOptions)
    */
    final JMethod noArgConstructor = facadeClass.constructor(JMod.PUBLIC);
    final JMethod requestOptionsOverrideConstructor = facadeClass.constructor(JMod.PUBLIC);
    final JMethod resourceNameOverrideConstructor = facadeClass.constructor(JMod.PUBLIC);
    final JMethod mainConstructor = facadeClass.constructor(JMod.PUBLIC);
    // no-argument constructor, delegates to the request options override constructor
    noArgConstructor.body().invoke(THIS).arg(defaultOptionsField);
    // request options override constructor
    final JVar requestOptionsOverrideOptionsParam = requestOptionsOverrideConstructor.param(RestliRequestOptions.class, "requestOptions");
    if (_version == RestliVersion.RESTLI_2_0_0) {
        requestOptionsOverrideConstructor.body().invoke(SUPER).arg(originalResourceField).arg(requestOptionsOverrideOptionsParam);
    } else {
        requestOptionsOverrideConstructor.body().assign(baseUriField, originalResourceField);
        final JInvocation requestOptionsOverrideAssignRequestOptions = new JBlock().invoke("assignRequestOptions").arg(requestOptionsOverrideOptionsParam);
        requestOptionsOverrideConstructor.body().assign(requestOptionsField, requestOptionsOverrideAssignRequestOptions);
    }
    // primary resource name override constructor, delegates to the main constructor
    final JVar resourceNameOverrideResourceNameParam = resourceNameOverrideConstructor.param(_stringClass, "primaryResourceName");
    resourceNameOverrideConstructor.body().invoke(THIS).arg(resourceNameOverrideResourceNameParam).arg(defaultOptionsField);
    // main constructor
    final JVar mainConsResourceNameParam = mainConstructor.param(_stringClass, "primaryResourceName");
    final JVar mainConsOptionsParam = mainConstructor.param(RestliRequestOptions.class, "requestOptions");
    final JExpression baseUriExpr;
    if (resourcePath.contains("/")) {
        baseUriExpr = originalResourceField.invoke("replaceFirst").arg(JExpr.lit("[^/]*/")).arg(mainConsResourceNameParam.plus(JExpr.lit("/")));
    } else {
        baseUriExpr = mainConsResourceNameParam;
    }
    if (_version == RestliVersion.RESTLI_2_0_0) {
        mainConstructor.body().invoke(SUPER).arg(baseUriExpr).arg(mainConsOptionsParam);
    } else {
        final JInvocation mainAssignRequestOptions = new JBlock().invoke("assignRequestOptions").arg(mainConsOptionsParam);
        mainConstructor.body().assign(baseUriField, baseUriExpr);
        mainConstructor.body().assign(requestOptionsField, mainAssignRequestOptions);
    }
    final String resourceName = CodeUtil.capitalize(resource.getName());
    final JMethod primaryResourceGetter = facadeClass.method(JMod.PUBLIC | JMod.STATIC, String.class, "getPrimaryResource");
    primaryResourceGetter.body()._return(originalResourceField);
    final List<String> pathKeys = getPathKeys(resourcePath, pathToAssocKeys);
    JClass keyTyperefClass = null;
    final JClass keyClass;
    JClass keyKeyClass = null;
    JClass keyParamsClass = null;
    final Class<?> resourceSchemaClass;
    Map<String, AssocKeyTypeInfo> assocKeyTypeInfos = Collections.emptyMap();
    StringArray supportsList = null;
    RestMethodSchemaArray restMethods = null;
    FinderSchemaArray finders = null;
    ResourceSchemaArray subresources = null;
    ActionSchemaArray resourceActions = null;
    ActionSchemaArray entityActions = null;
    if (resource.getCollection() != null) {
        resourceSchemaClass = CollectionSchema.class;
        final CollectionSchema collection = resource.getCollection();
        final String keyName = collection.getIdentifier().getName();
        // ComplexKeyResource parameterized by those two.
        if (collection.getIdentifier().getParams() == null) {
            keyClass = getJavaBindingType(collection.getIdentifier().getType(), facadeClass).valueClass;
            final JClass declaredClass = getClassRefForSchema(RestSpecCodec.textToSchema(collection.getIdentifier().getType(), _schemaResolver), facadeClass);
            if (!declaredClass.equals(keyClass)) {
                keyTyperefClass = declaredClass;
            }
        } else {
            keyKeyClass = getJavaBindingType(collection.getIdentifier().getType(), facadeClass).valueClass;
            keyParamsClass = getJavaBindingType(collection.getIdentifier().getParams(), facadeClass).valueClass;
            keyClass = getCodeModel().ref(ComplexResourceKey.class).narrow(keyKeyClass, keyParamsClass);
        }
        pathKeyTypes.put(keyName, keyClass);
        supportsList = collection.getSupports();
        restMethods = collection.getMethods();
        finders = collection.getFinders();
        subresources = collection.getEntity().getSubresources();
        resourceActions = collection.getActions();
        entityActions = collection.getEntity().getActions();
    } else if (resource.getAssociation() != null) {
        resourceSchemaClass = AssociationSchema.class;
        final AssociationSchema association = resource.getAssociation();
        keyClass = getCodeModel().ref(CompoundKey.class);
        supportsList = association.getSupports();
        restMethods = association.getMethods();
        finders = association.getFinders();
        subresources = association.getEntity().getSubresources();
        resourceActions = association.getActions();
        entityActions = association.getEntity().getActions();
        assocKeyTypeInfos = generateAssociationKey(facadeClass, association);
        final String keyName = getAssociationKey(resource, association);
        pathKeyTypes.put(keyName, keyClass);
        final List<String> assocKeys = new ArrayList<String>(4);
        for (Map.Entry<String, AssocKeyTypeInfo> entry : assocKeyTypeInfos.entrySet()) {
            assocKeys.add(entry.getKey());
            assocKeyTypes.put(entry.getKey(), entry.getValue().getBindingType());
        }
        pathToAssocKeys.put(keyName, assocKeys);
    } else if (resource.getSimple() != null) {
        resourceSchemaClass = SimpleSchema.class;
        final SimpleSchema simpleSchema = resource.getSimple();
        keyClass = _voidClass;
        supportsList = simpleSchema.getSupports();
        restMethods = simpleSchema.getMethods();
        subresources = simpleSchema.getEntity().getSubresources();
        resourceActions = simpleSchema.getActions();
    } else if (resource.getActionsSet() != null) {
        resourceSchemaClass = ActionsSetSchema.class;
        final ActionsSetSchema actionsSet = resource.getActionsSet();
        resourceActions = actionsSet.getActions();
        keyClass = _voidClass;
    } else {
        throw new IllegalArgumentException("unsupported resource type for resource: '" + resourceName + '\'');
    }
    generateOptions(facadeClass, baseUriGetter, requestOptionsGetter);
    final JFieldVar resourceSpecField = facadeClass.field(JMod.PRIVATE | JMod.STATIC | JMod.FINAL, _resourceSpecClass, "_resourceSpec");
    if (resourceSchemaClass == CollectionSchema.class || resourceSchemaClass == AssociationSchema.class || resourceSchemaClass == SimpleSchema.class) {
        final JClass schemaClass = getJavaBindingType(resource.getSchema(), null).schemaClass;
        final Set<ResourceMethod> supportedMethods = getSupportedMethods(supportsList);
        final JInvocation supportedMethodsExpr;
        if (supportedMethods.isEmpty()) {
            supportedMethodsExpr = _enumSetClass.staticInvoke("noneOf").arg(_resourceMethodClass.dotclass());
        } else {
            supportedMethodsExpr = _enumSetClass.staticInvoke("of");
            for (ResourceMethod resourceMethod : supportedMethods) {
                validateResourceMethod(resourceSchemaClass, resourceName, resourceMethod);
                supportedMethodsExpr.arg(_resourceMethodClass.staticRef(resourceMethod.name()));
            }
        }
        final JBlock staticInit = facadeClass.init();
        final JVar methodSchemaMap = methodMetadataMapInit(facadeClass, resourceActions, entityActions, staticInit);
        final JVar responseSchemaMap = responseMetadataMapInit(facadeClass, resourceActions, entityActions, staticInit);
        if (resourceSchemaClass == CollectionSchema.class || resourceSchemaClass == AssociationSchema.class) {
            final JClass assocKeyClass = getCodeModel().ref(TypeInfo.class);
            final JClass hashMapClass = getCodeModel().ref(HashMap.class).narrow(_stringClass, assocKeyClass);
            final JVar keyPartsVar = staticInit.decl(hashMapClass, "keyParts").init(JExpr._new(hashMapClass));
            for (Map.Entry<String, AssocKeyTypeInfo> typeInfoEntry : assocKeyTypeInfos.entrySet()) {
                final AssocKeyTypeInfo typeInfo = typeInfoEntry.getValue();
                final JInvocation typeArg = JExpr._new(assocKeyClass).arg(typeInfo.getBindingType().dotclass()).arg(typeInfo.getDeclaredType().dotclass());
                staticInit.add(keyPartsVar.invoke("put").arg(typeInfoEntry.getKey()).arg(typeArg));
            }
            staticInit.assign(resourceSpecField, JExpr._new(_resourceSpecImplClass).arg(supportedMethodsExpr).arg(methodSchemaMap).arg(responseSchemaMap).arg(keyTyperefClass == null ? keyClass.dotclass() : keyTyperefClass.dotclass()).arg(keyKeyClass == null ? JExpr._null() : keyKeyClass.dotclass()).arg(keyKeyClass == null ? JExpr._null() : keyParamsClass.dotclass()).arg(schemaClass.dotclass()).arg(keyPartsVar));
        } else //simple schema
        {
            staticInit.assign(resourceSpecField, JExpr._new(_resourceSpecImplClass).arg(supportedMethodsExpr).arg(methodSchemaMap).arg(responseSchemaMap).arg(schemaClass.dotclass()));
        }
        generateBasicMethods(facadeClass, baseUriGetter, keyClass, schemaClass, supportedMethods, restMethods, resourceSpecField, resourceName, pathKeys, pathKeyTypes, assocKeyTypes, pathToAssocKeys, requestOptionsGetter, resource.data().getDataMap("annotations"));
        if (resourceSchemaClass == CollectionSchema.class || resourceSchemaClass == AssociationSchema.class) {
            generateFinders(facadeClass, baseUriGetter, finders, keyClass, schemaClass, assocKeyTypeInfos, resourceSpecField, resourceName, pathKeys, pathKeyTypes, assocKeyTypes, pathToAssocKeys, requestOptionsGetter);
        }
        generateSubResources(sourceFile, subresources, pathKeyTypes, assocKeyTypes, pathToAssocKeys);
    } else //action set
    {
        final JBlock staticInit = facadeClass.init();
        final JInvocation supportedMethodsExpr = _enumSetClass.staticInvoke("noneOf").arg(_resourceMethodClass.dotclass());
        final JVar methodSchemaMap = methodMetadataMapInit(facadeClass, resourceActions, entityActions, staticInit);
        final JVar responseSchemaMap = responseMetadataMapInit(facadeClass, resourceActions, entityActions, staticInit);
        staticInit.assign(resourceSpecField, JExpr._new(_resourceSpecImplClass).arg(supportedMethodsExpr).arg(methodSchemaMap).arg(responseSchemaMap).arg(keyClass.dotclass()).arg(JExpr._null()).arg(JExpr._null()).arg(JExpr._null()).arg(getCodeModel().ref(Collections.class).staticInvoke("<String, Class<?>>emptyMap")));
    }
    generateActions(facadeClass, baseUriGetter, resourceActions, entityActions, keyClass, resourceSpecField, resourceName, pathKeys, pathKeyTypes, assocKeyTypes, pathToAssocKeys, requestOptionsGetter);
    generateClassJavadoc(facadeClass, resource);
    if (!checkVersionAndDeprecateBuilderClass(facadeClass, true)) {
        checkRestSpecAndDeprecateRootBuildersClass(facadeClass, resource);
    }
    return facadeClass;
}

Example 14 with JExpression

use of com.sun.codemodel.JExpression in project drill by apache.

the class CopyUtil method generateCopies.

public static void generateCopies(ClassGenerator<?> g, VectorAccessible batch, boolean hyper) {
    // we have parallel ids for each value vector so we don't actually have to deal with managing the ids at all.
    int fieldId = 0;
    JExpression inIndex = JExpr.direct("inIndex");
    JExpression outIndex = JExpr.direct("outIndex");
    for (VectorWrapper<?> vv : batch) {
        String copyMethod;
        if (!Types.isFixedWidthType(vv.getField().getType()) || Types.isRepeated(vv.getField().getType()) || Types.isComplex(vv.getField().getType())) {
            copyMethod = "copyFromSafe";
        } else {
            copyMethod = "copyFrom";
        }
        g.rotateBlock();
        JVar inVV = g.declareVectorValueSetupAndMember("incoming", new TypedFieldId(vv.getField().getType(), vv.isHyper(), fieldId));
        JVar outVV = g.declareVectorValueSetupAndMember("outgoing", new TypedFieldId(vv.getField().getType(), false, fieldId));
        if (hyper) {
            g.getEvalBlock().add(outVV.invoke(copyMethod).arg(inIndex.band(JExpr.lit((int) Character.MAX_VALUE))).arg(outIndex).arg(inVV.component(inIndex.shrz(JExpr.lit(16)))));
        } else {
            g.getEvalBlock().add(outVV.invoke(copyMethod).arg(inIndex).arg(outIndex).arg(inVV));
        }
        g.rotateBlock();
        fieldId++;
    }
}

Example 15 with JExpression

use of com.sun.codemodel.JExpression in project drill by apache.

the class PartitionSenderRootExec method createClassInstances.

private List<Partitioner> createClassInstances(int actualPartitions) throws SchemaChangeException {
    // set up partitioning function
    final LogicalExpression expr = operator.getExpr();
    final ErrorCollector collector = new ErrorCollectorImpl();
    final ClassGenerator<Partitioner> cg;
    cg = CodeGenerator.getRoot(Partitioner.TEMPLATE_DEFINITION, context.getFunctionRegistry(), context.getOptions());
    cg.getCodeGenerator().plainJavaCapable(true);
    // Uncomment out this line to debug the generated code.
    //    cg.getCodeGenerator().saveCodeForDebugging(true);
    ClassGenerator<Partitioner> cgInner = cg.getInnerGenerator("OutgoingRecordBatch");
    final LogicalExpression materializedExpr = ExpressionTreeMaterializer.materialize(expr, incoming, collector, context.getFunctionRegistry());
    if (collector.hasErrors()) {
        throw new SchemaChangeException(String.format("Failure while trying to materialize incoming schema.  Errors:\n %s.", collector.toErrorString()));
    }
    // generate code to copy from an incoming value vector to the destination partition's outgoing value vector
    JExpression bucket = JExpr.direct("bucket");
    // generate evaluate expression to determine the hash
    ClassGenerator.HoldingContainer exprHolder = cg.addExpr(materializedExpr);
    cg.getEvalBlock().decl(JType.parse(cg.getModel(), "int"), "bucket", exprHolder.getValue().mod(JExpr.lit(outGoingBatchCount)));
    cg.getEvalBlock()._return(cg.getModel().ref(Math.class).staticInvoke("abs").arg(bucket));
    CopyUtil.generateCopies(cgInner, incoming, incoming.getSchema().getSelectionVectorMode() == SelectionVectorMode.FOUR_BYTE);
    try {
        // compile and setup generated code
        List<Partitioner> subPartitioners = context.getImplementationClass(cg, actualPartitions);
        return subPartitioners;
    } catch (ClassTransformationException | IOException e) {
        throw new SchemaChangeException("Failure while attempting to load generated class", e);
    }
}