Examples with Subtract org.wso2.siddhi.query.api.expression.math.Subtract used on opensource projects

Example 1 with Subtract

use of org.wso2.siddhi.query.api.expression.math.Subtract in project siddhi by wso2.

the class CollectionExpressionParser method parseInternalCollectionExpression.

/**
 * Parse the given expression and create the appropriate Executor by recursively traversing the expression.
 *
 * @param expression             Expression to be parsed
 * @param matchingMetaInfoHolder matchingMetaInfoHolder
 * @param indexedEventHolder     indexed event holder
 * @return ExpressionExecutor
 */
private static CollectionExpression parseInternalCollectionExpression(Expression expression, MatchingMetaInfoHolder matchingMetaInfoHolder, IndexedEventHolder indexedEventHolder) {
    if (expression instanceof And) {
        CollectionExpression leftCollectionExpression = parseInternalCollectionExpression(((And) expression).getLeftExpression(), matchingMetaInfoHolder, indexedEventHolder);
        CollectionExpression rightCollectionExpression = parseInternalCollectionExpression(((And) expression).getRightExpression(), matchingMetaInfoHolder, indexedEventHolder);
        if (leftCollectionExpression.getCollectionScope() == NON && rightCollectionExpression.getCollectionScope() == NON) {
            return new BasicCollectionExpression(expression, NON);
        } else if ((leftCollectionExpression.getCollectionScope() == PRIMARY_KEY_ATTRIBUTE || leftCollectionExpression.getCollectionScope() == PARTIAL_PRIMARY_KEY_ATTRIBUTE || leftCollectionExpression.getCollectionScope() == PRIMARY_KEY_RESULT_SET || leftCollectionExpression.getCollectionScope() == PARTIAL_PRIMARY_KEY_RESULT_SET) && (rightCollectionExpression.getCollectionScope() == PRIMARY_KEY_ATTRIBUTE || rightCollectionExpression.getCollectionScope() == PARTIAL_PRIMARY_KEY_ATTRIBUTE || rightCollectionExpression.getCollectionScope() == PRIMARY_KEY_RESULT_SET || rightCollectionExpression.getCollectionScope() == PARTIAL_PRIMARY_KEY_RESULT_SET)) {
            Set<String> primaryKeys = new HashSet<>();
            primaryKeys.addAll(leftCollectionExpression.getMultiPrimaryKeys());
            primaryKeys.addAll(rightCollectionExpression.getMultiPrimaryKeys());
            if (indexedEventHolder.getPrimaryKeyReferenceHolders() != null && primaryKeys.size() == indexedEventHolder.getPrimaryKeyReferenceHolders().length) {
                return new AndMultiPrimaryKeyCollectionExpression(expression, PRIMARY_KEY_RESULT_SET, leftCollectionExpression, rightCollectionExpression);
            } else {
                return new AndCollectionExpression(expression, PARTIAL_PRIMARY_KEY_RESULT_SET, leftCollectionExpression, rightCollectionExpression);
            }
        // TODO support query rewriting to group all PARTIAL_PRIMARY_KEY_RESULT_SETs together such that it can
        // build AndMultiPrimaryKeyCollectionExpression.
        } else if ((leftCollectionExpression.getCollectionScope() == PARTIAL_PRIMARY_KEY_ATTRIBUTE || leftCollectionExpression.getCollectionScope() == PARTIAL_PRIMARY_KEY_RESULT_SET || leftCollectionExpression.getCollectionScope() == NON || leftCollectionExpression.getCollectionScope() == EXHAUSTIVE) && (rightCollectionExpression.getCollectionScope() == PARTIAL_PRIMARY_KEY_ATTRIBUTE || rightCollectionExpression.getCollectionScope() == PARTIAL_PRIMARY_KEY_RESULT_SET || rightCollectionExpression.getCollectionScope() == NON || rightCollectionExpression.getCollectionScope() == EXHAUSTIVE)) {
            return new BasicCollectionExpression(expression, EXHAUSTIVE);
        } else {
            return new AndCollectionExpression(expression, OPTIMISED_PRIMARY_KEY_OR_INDEXED_RESULT_SET, leftCollectionExpression, rightCollectionExpression);
        }
    } else if (expression instanceof Or) {
        CollectionExpression leftCollectionExpression = parseInternalCollectionExpression(((Or) expression).getLeftExpression(), matchingMetaInfoHolder, indexedEventHolder);
        CollectionExpression rightCollectionExpression = parseInternalCollectionExpression(((Or) expression).getRightExpression(), matchingMetaInfoHolder, indexedEventHolder);
        if (leftCollectionExpression.getCollectionScope() == NON && rightCollectionExpression.getCollectionScope() == NON) {
            return new BasicCollectionExpression(expression, NON);
        } else if (leftCollectionExpression.getCollectionScope() == EXHAUSTIVE || leftCollectionExpression.getCollectionScope() == PARTIAL_PRIMARY_KEY_ATTRIBUTE || leftCollectionExpression.getCollectionScope() == PARTIAL_PRIMARY_KEY_RESULT_SET || rightCollectionExpression.getCollectionScope() == EXHAUSTIVE || rightCollectionExpression.getCollectionScope() == PARTIAL_PRIMARY_KEY_ATTRIBUTE || rightCollectionExpression.getCollectionScope() == PARTIAL_PRIMARY_KEY_RESULT_SET) {
            return new BasicCollectionExpression(expression, EXHAUSTIVE);
        } else {
            return new OrCollectionExpression(expression, OPTIMISED_PRIMARY_KEY_OR_INDEXED_RESULT_SET, leftCollectionExpression, rightCollectionExpression);
        }
    } else if (expression instanceof Not) {
        CollectionExpression notCollectionExpression = parseInternalCollectionExpression(((Not) expression).getExpression(), matchingMetaInfoHolder, indexedEventHolder);
        switch(notCollectionExpression.getCollectionScope()) {
            case NON:
                return new BasicCollectionExpression(expression, NON);
            case PRIMARY_KEY_ATTRIBUTE:
                return new NotCollectionExpression(expression, PRIMARY_KEY_RESULT_SET, notCollectionExpression);
            case INDEXED_ATTRIBUTE:
                return new NotCollectionExpression(expression, INDEXED_RESULT_SET, notCollectionExpression);
            case PRIMARY_KEY_RESULT_SET:
            case INDEXED_RESULT_SET:
            case OPTIMISED_PRIMARY_KEY_OR_INDEXED_RESULT_SET:
                return new NotCollectionExpression(expression, OPTIMISED_PRIMARY_KEY_OR_INDEXED_RESULT_SET, notCollectionExpression);
            case PARTIAL_PRIMARY_KEY_ATTRIBUTE:
            case PARTIAL_PRIMARY_KEY_RESULT_SET:
            case EXHAUSTIVE:
                return new BasicCollectionExpression(expression, EXHAUSTIVE);
        }
    } else if (expression instanceof Compare) {
        CollectionExpression leftCollectionExpression = parseInternalCollectionExpression(((Compare) expression).getLeftExpression(), matchingMetaInfoHolder, indexedEventHolder);
        CollectionExpression rightCollectionExpression = parseInternalCollectionExpression(((Compare) expression).getRightExpression(), matchingMetaInfoHolder, indexedEventHolder);
        if (leftCollectionExpression.getCollectionScope() == NON && rightCollectionExpression.getCollectionScope() == NON) {
            // comparing two stream attributes with O(1) time complexity
            return new BasicCollectionExpression(expression, NON);
        } else if ((leftCollectionExpression.getCollectionScope() == INDEXED_ATTRIBUTE || leftCollectionExpression.getCollectionScope() == PRIMARY_KEY_ATTRIBUTE || leftCollectionExpression.getCollectionScope() == PARTIAL_PRIMARY_KEY_ATTRIBUTE) && rightCollectionExpression.getCollectionScope() == NON) {
            switch(leftCollectionExpression.getCollectionScope()) {
                case INDEXED_ATTRIBUTE:
                    return new CompareCollectionExpression((Compare) expression, INDEXED_RESULT_SET, leftCollectionExpression, ((Compare) expression).getOperator(), rightCollectionExpression);
                case PRIMARY_KEY_ATTRIBUTE:
                    return new CompareCollectionExpression((Compare) expression, PRIMARY_KEY_RESULT_SET, leftCollectionExpression, ((Compare) expression).getOperator(), rightCollectionExpression);
                case PARTIAL_PRIMARY_KEY_ATTRIBUTE:
                    return new CompareCollectionExpression((Compare) expression, PARTIAL_PRIMARY_KEY_RESULT_SET, leftCollectionExpression, ((Compare) expression).getOperator(), rightCollectionExpression);
            }
        } else if (leftCollectionExpression.getCollectionScope() == NON && (rightCollectionExpression.getCollectionScope() == INDEXED_ATTRIBUTE || rightCollectionExpression.getCollectionScope() == PRIMARY_KEY_ATTRIBUTE || rightCollectionExpression.getCollectionScope() == PARTIAL_PRIMARY_KEY_ATTRIBUTE)) {
            Compare.Operator operator = ((Compare) expression).getOperator();
            // moving let to right
            switch(operator) {
                case LESS_THAN:
                    operator = Compare.Operator.GREATER_THAN;
                    break;
                case GREATER_THAN:
                    operator = Compare.Operator.LESS_THAN;
                    break;
                case LESS_THAN_EQUAL:
                    operator = Compare.Operator.GREATER_THAN_EQUAL;
                    break;
                case GREATER_THAN_EQUAL:
                    operator = Compare.Operator.LESS_THAN_EQUAL;
                    break;
                case EQUAL:
                    break;
                case NOT_EQUAL:
                    break;
            }
            switch(rightCollectionExpression.getCollectionScope()) {
                case INDEXED_ATTRIBUTE:
                    return new CompareCollectionExpression((Compare) expression, INDEXED_RESULT_SET, rightCollectionExpression, operator, leftCollectionExpression);
                case PRIMARY_KEY_ATTRIBUTE:
                    return new CompareCollectionExpression((Compare) expression, PRIMARY_KEY_RESULT_SET, rightCollectionExpression, operator, leftCollectionExpression);
                case PARTIAL_PRIMARY_KEY_ATTRIBUTE:
                    return new CompareCollectionExpression((Compare) expression, PARTIAL_PRIMARY_KEY_RESULT_SET, rightCollectionExpression, operator, leftCollectionExpression);
            }
        } else {
            // comparing non indexed table with stream attributes or another table attribute
            return new BasicCollectionExpression(expression, EXHAUSTIVE);
        }
    } else if (expression instanceof Constant) {
        return new BasicCollectionExpression(expression, NON);
    } else if (expression instanceof Variable) {
        if (isCollectionVariable(matchingMetaInfoHolder, (Variable) expression)) {
            if (indexedEventHolder.isAttributeIndexed(((Variable) expression).getAttributeName())) {
                return new AttributeCollectionExpression(expression, ((Variable) expression).getAttributeName(), INDEXED_ATTRIBUTE);
            } else if (indexedEventHolder.isMultiPrimaryKeyAttribute(((Variable) expression).getAttributeName())) {
                if (indexedEventHolder.getPrimaryKeyReferenceHolders() != null && indexedEventHolder.getPrimaryKeyReferenceHolders().length == 1) {
                    return new AttributeCollectionExpression(expression, ((Variable) expression).getAttributeName(), PRIMARY_KEY_ATTRIBUTE);
                } else {
                    return new AttributeCollectionExpression(expression, ((Variable) expression).getAttributeName(), PARTIAL_PRIMARY_KEY_ATTRIBUTE);
                }
            } else {
                return new BasicCollectionExpression(expression, EXHAUSTIVE);
            }
        } else {
            return new BasicCollectionExpression(expression, NON);
        }
    } else if (expression instanceof Multiply) {
        CollectionExpression left = parseInternalCollectionExpression(((Multiply) expression).getLeftValue(), matchingMetaInfoHolder, indexedEventHolder);
        CollectionExpression right = parseInternalCollectionExpression(((Multiply) expression).getRightValue(), matchingMetaInfoHolder, indexedEventHolder);
        if (left.getCollectionScope() == NON && right.getCollectionScope() == NON) {
            return new BasicCollectionExpression(expression, NON);
        } else {
            return new BasicCollectionExpression(expression, EXHAUSTIVE);
        }
    } else if (expression instanceof Add) {
        CollectionExpression left = parseInternalCollectionExpression(((Add) expression).getLeftValue(), matchingMetaInfoHolder, indexedEventHolder);
        CollectionExpression right = parseInternalCollectionExpression(((Add) expression).getRightValue(), matchingMetaInfoHolder, indexedEventHolder);
        if (left.getCollectionScope() == NON && right.getCollectionScope() == NON) {
            return new BasicCollectionExpression(expression, NON);
        } else {
            return new BasicCollectionExpression(expression, EXHAUSTIVE);
        }
    } else if (expression instanceof Subtract) {
        CollectionExpression left = parseInternalCollectionExpression(((Subtract) expression).getLeftValue(), matchingMetaInfoHolder, indexedEventHolder);
        CollectionExpression right = parseInternalCollectionExpression(((Subtract) expression).getRightValue(), matchingMetaInfoHolder, indexedEventHolder);
        if (left.getCollectionScope() == NON && right.getCollectionScope() == NON) {
            return new BasicCollectionExpression(expression, NON);
        } else {
            return new BasicCollectionExpression(expression, EXHAUSTIVE);
        }
    } else if (expression instanceof Mod) {
        CollectionExpression left = parseInternalCollectionExpression(((Mod) expression).getLeftValue(), matchingMetaInfoHolder, indexedEventHolder);
        CollectionExpression right = parseInternalCollectionExpression(((Mod) expression).getRightValue(), matchingMetaInfoHolder, indexedEventHolder);
        if (left.getCollectionScope() == NON && right.getCollectionScope() == NON) {
            return new BasicCollectionExpression(expression, NON);
        } else {
            return new BasicCollectionExpression(expression, EXHAUSTIVE);
        }
    } else if (expression instanceof Divide) {
        CollectionExpression left = parseInternalCollectionExpression(((Divide) expression).getLeftValue(), matchingMetaInfoHolder, indexedEventHolder);
        CollectionExpression right = parseInternalCollectionExpression(((Divide) expression).getRightValue(), matchingMetaInfoHolder, indexedEventHolder);
        if (left.getCollectionScope() == NON && right.getCollectionScope() == NON) {
            return new BasicCollectionExpression(expression, NON);
        } else {
            return new BasicCollectionExpression(expression, EXHAUSTIVE);
        }
    } else if (expression instanceof AttributeFunction) {
        Expression[] innerExpressions = ((AttributeFunction) expression).getParameters();
        for (Expression aExpression : innerExpressions) {
            CollectionExpression aCollectionExpression = parseInternalCollectionExpression(aExpression, matchingMetaInfoHolder, indexedEventHolder);
            if (aCollectionExpression.getCollectionScope() != NON) {
                return new BasicCollectionExpression(expression, EXHAUSTIVE);
            }
        }
        return new BasicCollectionExpression(expression, NON);
    } else if (expression instanceof In) {
        CollectionExpression inCollectionExpression = parseInternalCollectionExpression(((In) expression).getExpression(), matchingMetaInfoHolder, indexedEventHolder);
        if (inCollectionExpression.getCollectionScope() != NON) {
            return new BasicCollectionExpression(expression, EXHAUSTIVE);
        }
        return new BasicCollectionExpression(expression, NON);
    } else if (expression instanceof IsNull) {
        CollectionExpression nullCollectionExpression = parseInternalCollectionExpression(((IsNull) expression).getExpression(), matchingMetaInfoHolder, indexedEventHolder);
        if (nullCollectionExpression.getCollectionScope() == NON) {
            return new BasicCollectionExpression(expression, NON);
        } else if (nullCollectionExpression.getCollectionScope() == INDEXED_ATTRIBUTE) {
            return new NullCollectionExpression(expression, INDEXED_RESULT_SET, ((AttributeCollectionExpression) nullCollectionExpression).getAttribute());
        } else if (nullCollectionExpression.getCollectionScope() == PRIMARY_KEY_ATTRIBUTE) {
            return new NullCollectionExpression(expression, PRIMARY_KEY_RESULT_SET, ((AttributeCollectionExpression) nullCollectionExpression).getAttribute());
        } else {
            return new BasicCollectionExpression(expression, EXHAUSTIVE);
        }
    }
    throw new UnsupportedOperationException(expression.toString() + " not supported!");
}

Example 2 with Subtract

use of org.wso2.siddhi.query.api.expression.math.Subtract in project siddhi by wso2.

the class FilterTestCase2 method testFilterQuery110.

// *****************************************************************************************************************
// Expression-subtract
@Test
public void testFilterQuery110() throws InterruptedException {
    log.info("Filter test110");
    SiddhiManager siddhiManager = new SiddhiManager();
    StreamDefinition cseEventStream = StreamDefinition.id("cseEventStream").attribute("symbol", Attribute.Type.STRING).attribute("price", Attribute.Type.FLOAT).attribute("volume", Attribute.Type.DOUBLE).attribute("quantity", Attribute.Type.INT).attribute("awards", Attribute.Type.LONG);
    Query query = new Query();
    query.from(InputStream.stream("cseEventStream"));
    query.annotation(Annotation.annotation("info").element("name", "query1"));
    query.select(Selector.selector().select("symbol", Expression.variable("symbol")).select("decreasedPrice", Expression.subtract(Expression.variable("price"), Expression.value(20))).select("decreasedVolume", Expression.subtract(Expression.variable("volume"), Expression.value(50))).select("decreasedQuantity", Expression.subtract(Expression.variable("quantity"), Expression.value(4))).select("decreasedAwards", Expression.subtract(Expression.variable("awards"), Expression.value(10))));
    query.insertInto("OutputStream");
    SiddhiApp siddhiApp = new SiddhiApp("ep1");
    siddhiApp.defineStream(cseEventStream);
    siddhiApp.addQuery(query);
    SiddhiAppRuntime siddhiAppRuntime = siddhiManager.createSiddhiAppRuntime(siddhiApp);
    siddhiAppRuntime.addCallback("query1", new QueryCallback() {

        @Override
        public void receive(long timeStamp, Event[] inEvents, Event[] removeEvents) {
            EventPrinter.print(timeStamp, inEvents, removeEvents);
            AssertJUnit.assertTrue("35.5".equals(inEvents[0].getData()[1].toString()));
            AssertJUnit.assertTrue("50.0".equals(inEvents[0].getData()[2].toString()));
            AssertJUnit.assertTrue("1".equals(inEvents[0].getData()[3].toString()));
            AssertJUnit.assertTrue("0".equals(inEvents[0].getData()[4].toString()));
            count = count + inEvents.length;
        }
    });
    InputHandler inputHandler = siddhiAppRuntime.getInputHandler("cseEventStream");
    siddhiAppRuntime.start();
    inputHandler.send(new Object[] { "WSO2", 55.5f, 100d, 5, 10L });
    Thread.sleep(100);
    AssertJUnit.assertEquals(1, count);
    siddhiAppRuntime.shutdown();
}

Example 3 with Subtract

use of org.wso2.siddhi.query.api.expression.math.Subtract in project carbon-apimgt by wso2.

the class APIConsumerImpl method searchPaginatedAPIs.

/**
 * Pagination API search based on solr indexing
 *
 * @param registry
 * @param searchTerm
 * @param searchType
 * @return
 * @throws APIManagementException
 */
public Map<String, Object> searchPaginatedAPIs(Registry registry, String searchTerm, String searchType, int start, int end, boolean limitAttributes) throws APIManagementException {
    SortedSet<API> apiSet = new TreeSet<API>(new APINameComparator());
    List<API> apiList = new ArrayList<API>();
    searchTerm = searchTerm.trim();
    Map<String, Object> result = new HashMap<String, Object>();
    int totalLength = 0;
    boolean isMore = false;
    String criteria = APIConstants.API_OVERVIEW_NAME;
    try {
        String paginationLimit = getAPIManagerConfiguration().getFirstProperty(APIConstants.API_STORE_APIS_PER_PAGE);
        // If the Config exists use it to set the pagination limit
        final int maxPaginationLimit;
        if (paginationLimit != null) {
            // The additional 1 added to the maxPaginationLimit is to help us determine if more
            // APIs may exist so that we know that we are unable to determine the actual total
            // API count. We will subtract this 1 later on so that it does not interfere with
            // the logic of the rest of the application
            int pagination = Integer.parseInt(paginationLimit);
            // leading to some of the APIs not being displayed
            if (pagination < 11) {
                pagination = 11;
                log.warn("Value of '" + APIConstants.API_STORE_APIS_PER_PAGE + "' is too low, defaulting to 11");
            }
            maxPaginationLimit = start + pagination + 1;
        } else // Else if the config is not specified we go with default functionality and load all
        {
            maxPaginationLimit = Integer.MAX_VALUE;
        }
        GenericArtifactManager artifactManager = APIUtil.getArtifactManager(registry, APIConstants.API_KEY);
        PaginationContext.init(start, end, "ASC", APIConstants.API_OVERVIEW_NAME, maxPaginationLimit);
        if (artifactManager != null) {
            if (APIConstants.API_PROVIDER.equalsIgnoreCase(searchType)) {
                criteria = APIConstants.API_OVERVIEW_PROVIDER;
                searchTerm = searchTerm.replaceAll("@", "-AT-");
            } else if (APIConstants.API_VERSION_LABEL.equalsIgnoreCase(searchType)) {
                criteria = APIConstants.API_OVERVIEW_VERSION;
            } else if (APIConstants.API_CONTEXT.equalsIgnoreCase(searchType)) {
                criteria = APIConstants.API_OVERVIEW_CONTEXT;
            } else if (APIConstants.API_DESCRIPTION.equalsIgnoreCase(searchType)) {
                criteria = APIConstants.API_OVERVIEW_DESCRIPTION;
            } else if (APIConstants.API_TAG.equalsIgnoreCase(searchType)) {
                criteria = APIConstants.API_OVERVIEW_TAG;
            }
            // Create the search attribute map for PUBLISHED APIs
            final String searchValue = searchTerm;
            Map<String, List<String>> listMap = new HashMap<String, List<String>>();
            listMap.put(criteria, new ArrayList<String>() {

                {
                    add(searchValue);
                }
            });
            boolean displayAPIsWithMultipleStatus = APIUtil.isAllowDisplayAPIsWithMultipleStatus();
            // multiple status. This is because pagination is breaking when we do a another filtering with the API Status
            if (!displayAPIsWithMultipleStatus) {
                listMap.put(APIConstants.API_OVERVIEW_STATUS, new ArrayList<String>() {

                    {
                        add(APIConstants.PUBLISHED);
                    }
                });
            }
            GenericArtifact[] genericArtifacts = artifactManager.findGenericArtifacts(listMap);
            totalLength = PaginationContext.getInstance().getLength();
            boolean isFound = true;
            if (genericArtifacts == null || genericArtifacts.length == 0) {
                if (APIConstants.API_OVERVIEW_PROVIDER.equals(criteria)) {
                    genericArtifacts = searchAPIsByOwner(artifactManager, searchValue);
                    if (genericArtifacts == null || genericArtifacts.length == 0) {
                        isFound = false;
                    }
                } else {
                    isFound = false;
                }
            }
            if (!isFound) {
                result.put("apis", apiSet);
                result.put("length", 0);
                result.put("isMore", isMore);
                return result;
            }
            // Check to see if we can speculate that there are more APIs to be loaded
            if (maxPaginationLimit == totalLength) {
                // More APIs exist, cannot determine total API count without incurring perf hit
                isMore = true;
                // Remove the additional 1 added earlier when setting max pagination limit
                --totalLength;
            }
            int tempLength = 0;
            for (GenericArtifact artifact : genericArtifacts) {
                String status = artifact.getAttribute(APIConstants.API_OVERVIEW_STATUS);
                if (APIUtil.isAllowDisplayAPIsWithMultipleStatus()) {
                    if (APIConstants.PROTOTYPED.equals(status) || APIConstants.PUBLISHED.equals(status) || APIConstants.DEPRECATED.equals(status)) {
                        API resultAPI;
                        if (limitAttributes) {
                            resultAPI = APIUtil.getAPI(artifact);
                        } else {
                            resultAPI = APIUtil.getAPI(artifact, registry);
                        }
                        if (resultAPI != null) {
                            apiList.add(resultAPI);
                        }
                    }
                } else {
                    if (APIConstants.PROTOTYPED.equals(status) || APIConstants.PUBLISHED.equals(status)) {
                        API resultAPI;
                        if (limitAttributes) {
                            resultAPI = APIUtil.getAPI(artifact);
                        } else {
                            resultAPI = APIUtil.getAPI(artifact, registry);
                        }
                        if (resultAPI != null) {
                            apiList.add(resultAPI);
                        }
                    }
                }
                // Ensure the APIs returned matches the length, there could be an additional API
                // returned due incrementing the pagination limit when getting from registry
                tempLength++;
                if (tempLength >= totalLength) {
                    break;
                }
            }
            apiSet.addAll(apiList);
        }
    } catch (RegistryException e) {
        handleException("Failed to search APIs with type", e);
    }
    result.put("apis", apiSet);
    result.put("length", totalLength);
    result.put("isMore", isMore);
    return result;
}

Example 4 with Subtract

use of org.wso2.siddhi.query.api.expression.math.Subtract in project carbon-apimgt by wso2.

the class APIConsumerImpl method getAllPaginatedLightWeightAPIsByStatus.

/**
 * The method to get APIs in any of the given LC status array
 *
 * @return Map<String, Object>  API result set with pagination information
 * @throws APIManagementException
 */
@Override
public Map<String, Object> getAllPaginatedLightWeightAPIsByStatus(String tenantDomain, int start, int end, final String[] apiStatus, boolean returnAPITags) throws APIManagementException {
    Map<String, Object> result = new HashMap<String, Object>();
    SortedSet<API> apiSortedSet = new TreeSet<API>(new APINameComparator());
    SortedSet<API> apiVersionsSortedSet = new TreeSet<API>(new APIVersionComparator());
    int totalLength = 0;
    boolean isMore = false;
    String criteria = "lcState=";
    try {
        Registry userRegistry;
        boolean isTenantMode = (tenantDomain != null);
        if ((isTenantMode && this.tenantDomain == null) || (isTenantMode && isTenantDomainNotMatching(tenantDomain))) {
            // Tenant store anonymous mode
            int tenantId = getTenantId(tenantDomain);
            // explicitly load the tenant's registry
            APIUtil.loadTenantRegistry(tenantId);
            userRegistry = ServiceReferenceHolder.getInstance().getRegistryService().getGovernanceUserRegistry(CarbonConstants.REGISTRY_ANONNYMOUS_USERNAME, tenantId);
            setUsernameToThreadLocalCarbonContext(CarbonConstants.REGISTRY_ANONNYMOUS_USERNAME);
        } else {
            userRegistry = registry;
            setUsernameToThreadLocalCarbonContext(this.username);
        }
        this.isTenantModeStoreView = isTenantMode;
        this.requestedTenant = tenantDomain;
        Map<String, API> latestPublishedAPIs = new HashMap<String, API>();
        List<API> multiVersionedAPIs = new ArrayList<API>();
        Comparator<API> versionComparator = new APIVersionComparator();
        Boolean displayMultipleVersions = APIUtil.isAllowDisplayMultipleVersions();
        String paginationLimit = ServiceReferenceHolder.getInstance().getAPIManagerConfigurationService().getAPIManagerConfiguration().getFirstProperty(APIConstants.API_STORE_APIS_PER_PAGE);
        // If the Config exists use it to set the pagination limit
        final int maxPaginationLimit;
        if (paginationLimit != null) {
            // The additional 1 added to the maxPaginationLimit is to help us determine if more
            // APIs may exist so that we know that we are unable to determine the actual total
            // API count. We will subtract this 1 later on so that it does not interfere with
            // the logic of the rest of the application
            int pagination = Integer.parseInt(paginationLimit);
            // leading to some of the APIs not being displayed
            if (pagination < 11) {
                pagination = 11;
                log.warn("Value of '" + APIConstants.API_STORE_APIS_PER_PAGE + "' is too low, defaulting to 11");
            }
            maxPaginationLimit = start + pagination + 1;
        } else // Else if the config is not specified we go with default functionality and load all
        {
            maxPaginationLimit = Integer.MAX_VALUE;
        }
        PaginationContext.init(start, end, "ASC", APIConstants.API_OVERVIEW_NAME, maxPaginationLimit);
        criteria = criteria + APIUtil.getORBasedSearchCriteria(apiStatus);
        GenericArtifactManager artifactManager = APIUtil.getArtifactManager(userRegistry, APIConstants.API_KEY);
        if (artifactManager != null) {
            if (apiStatus != null && apiStatus.length > 0) {
                List<GovernanceArtifact> genericArtifacts = GovernanceUtils.findGovernanceArtifacts(getSearchQuery(criteria), userRegistry, APIConstants.API_RXT_MEDIA_TYPE);
                totalLength = PaginationContext.getInstance().getLength();
                if (genericArtifacts == null || genericArtifacts.size() == 0) {
                    result.put("apis", apiSortedSet);
                    result.put("totalLength", totalLength);
                    result.put("isMore", isMore);
                    return result;
                }
                // Check to see if we can speculate that there are more APIs to be loaded
                if (maxPaginationLimit == totalLength) {
                    // More APIs exist so we cannot determine the total API count without
                    isMore = true;
                    // incurring a performance hit
                    // Remove the additional 1 we added earlier when setting max pagination limit
                    --totalLength;
                }
                int tempLength = 0;
                for (GovernanceArtifact artifact : genericArtifacts) {
                    API api = null;
                    try {
                        api = APIUtil.getLightWeightAPI(artifact);
                    } catch (APIManagementException e) {
                        // log and continue since we want to load the rest of the APIs.
                        log.error("Error while loading API " + artifact.getAttribute(APIConstants.API_OVERVIEW_NAME), e);
                    }
                    if (api != null) {
                        if (returnAPITags) {
                            String artifactPath = GovernanceUtils.getArtifactPath(registry, artifact.getId());
                            Set<String> tags = new HashSet<String>();
                            org.wso2.carbon.registry.core.Tag[] tag = registry.getTags(artifactPath);
                            for (org.wso2.carbon.registry.core.Tag tag1 : tag) {
                                tags.add(tag1.getTagName());
                            }
                            api.addTags(tags);
                        }
                        String key;
                        // Check the configuration to allow showing multiple versions of an API true/false
                        if (!displayMultipleVersions) {
                            // If allow only showing the latest version of an API
                            key = api.getId().getProviderName() + COLON_CHAR + api.getId().getApiName();
                            API existingAPI = latestPublishedAPIs.get(key);
                            if (existingAPI != null) {
                                // this one has a higher version number
                                if (versionComparator.compare(api, existingAPI) > 0) {
                                    latestPublishedAPIs.put(key, api);
                                }
                            } else {
                                // We haven't seen this API before
                                latestPublishedAPIs.put(key, api);
                            }
                        } else {
                            // If allow showing multiple versions of an API
                            multiVersionedAPIs.add(api);
                        }
                    }
                    tempLength++;
                    if (tempLength >= totalLength) {
                        break;
                    }
                }
                if (!displayMultipleVersions) {
                    apiSortedSet.addAll(latestPublishedAPIs.values());
                    result.put("apis", apiSortedSet);
                    result.put("totalLength", totalLength);
                    result.put("isMore", isMore);
                    return result;
                } else {
                    apiVersionsSortedSet.addAll(multiVersionedAPIs);
                    result.put("apis", apiVersionsSortedSet);
                    result.put("totalLength", totalLength);
                    result.put("isMore", isMore);
                    return result;
                }
            }
        } else {
            String errorMessage = "Artifact manager is null for tenant domain " + tenantDomain + " when retrieving all paginated APIs by status.";
            log.error(errorMessage);
        }
    } catch (RegistryException e) {
        handleException("Failed to get all published APIs", e);
    } catch (UserStoreException e) {
        handleException("Failed to get all published APIs", e);
    } finally {
        PaginationContext.destroy();
    }
    result.put("apis", apiSortedSet);
    result.put("totalLength", totalLength);
    result.put("isMore", isMore);
    return result;
}

Example 5 with Subtract

use of org.wso2.siddhi.query.api.expression.math.Subtract in project carbon-apimgt by wso2.

the class APIConsumerImpl method getAllPaginatedAPIsByStatus.

/**
 * The method to get APIs in any of the given LC status array
 *
 * @return Map<String, Object>  API result set with pagination information
 * @throws APIManagementException
 */
@Override
public Map<String, Object> getAllPaginatedAPIsByStatus(String tenantDomain, int start, int end, final String[] apiStatus, boolean returnAPITags) throws APIManagementException {
    Map<String, Object> result = new HashMap<String, Object>();
    SortedSet<API> apiSortedSet = new TreeSet<API>(new APINameComparator());
    SortedSet<API> apiVersionsSortedSet = new TreeSet<API>(new APIVersionComparator());
    int totalLength = 0;
    boolean isMore = false;
    String criteria = APIConstants.LCSTATE_SEARCH_TYPE_KEY;
    try {
        Registry userRegistry;
        boolean isTenantMode = (tenantDomain != null);
        if ((isTenantMode && this.tenantDomain == null) || (isTenantMode && isTenantDomainNotMatching(tenantDomain))) {
            // Tenant store anonymous mode
            int tenantId = getTenantId(tenantDomain);
            // explicitly load the tenant's registry
            APIUtil.loadTenantRegistry(tenantId);
            userRegistry = getGovernanceUserRegistry(tenantId);
            setUsernameToThreadLocalCarbonContext(CarbonConstants.REGISTRY_ANONNYMOUS_USERNAME);
        } else {
            userRegistry = registry;
            setUsernameToThreadLocalCarbonContext(this.username);
        }
        this.isTenantModeStoreView = isTenantMode;
        this.requestedTenant = tenantDomain;
        Map<String, API> latestPublishedAPIs = new HashMap<String, API>();
        List<API> multiVersionedAPIs = new ArrayList<API>();
        Comparator<API> versionComparator = new APIVersionComparator();
        Boolean displayMultipleVersions = APIUtil.isAllowDisplayMultipleVersions();
        String paginationLimit = getAPIManagerConfiguration().getFirstProperty(APIConstants.API_STORE_APIS_PER_PAGE);
        // If the Config exists use it to set the pagination limit
        final int maxPaginationLimit;
        if (paginationLimit != null) {
            // The additional 1 added to the maxPaginationLimit is to help us determine if more
            // APIs may exist so that we know that we are unable to determine the actual total
            // API count. We will subtract this 1 later on so that it does not interfere with
            // the logic of the rest of the application
            int pagination = Integer.parseInt(paginationLimit);
            // leading to some of the APIs not being displayed
            if (pagination < 11) {
                pagination = 11;
                log.warn("Value of '" + APIConstants.API_STORE_APIS_PER_PAGE + "' is too low, defaulting to 11");
            }
            maxPaginationLimit = start + pagination + 1;
        } else // Else if the config is not specified we go with default functionality and load all
        {
            maxPaginationLimit = Integer.MAX_VALUE;
        }
        PaginationContext.init(start, end, "ASC", APIConstants.API_OVERVIEW_NAME, maxPaginationLimit);
        criteria = criteria + APIUtil.getORBasedSearchCriteria(apiStatus);
        GenericArtifactManager artifactManager = APIUtil.getArtifactManager(userRegistry, APIConstants.API_KEY);
        if (artifactManager != null) {
            if (apiStatus != null && apiStatus.length > 0) {
                List<GovernanceArtifact> genericArtifacts = GovernanceUtils.findGovernanceArtifacts(getSearchQuery(criteria), userRegistry, APIConstants.API_RXT_MEDIA_TYPE);
                totalLength = PaginationContext.getInstance().getLength();
                if (genericArtifacts == null || genericArtifacts.size() == 0) {
                    result.put("apis", apiSortedSet);
                    result.put("totalLength", totalLength);
                    result.put("isMore", isMore);
                    return result;
                }
                // Check to see if we can speculate that there are more APIs to be loaded
                if (maxPaginationLimit == totalLength) {
                    // More APIs exist so we cannot determine the total API count without incurring a
                    isMore = true;
                    // performance hit
                    // Remove the additional 1 we added earlier when setting max pagination limit
                    --totalLength;
                }
                int tempLength = 0;
                for (GovernanceArtifact artifact : genericArtifacts) {
                    API api = null;
                    try {
                        api = APIUtil.getAPI(artifact);
                    } catch (APIManagementException e) {
                        // log and continue since we want to load the rest of the APIs.
                        log.error("Error while loading API " + artifact.getAttribute(APIConstants.API_OVERVIEW_NAME), e);
                    }
                    if (api != null) {
                        if (returnAPITags) {
                            String artifactPath = GovernanceUtils.getArtifactPath(registry, artifact.getId());
                            Set<String> tags = new HashSet<String>();
                            org.wso2.carbon.registry.core.Tag[] tag = registry.getTags(artifactPath);
                            for (org.wso2.carbon.registry.core.Tag tag1 : tag) {
                                tags.add(tag1.getTagName());
                            }
                            api.addTags(tags);
                        }
                        String key;
                        // Check the configuration to allow showing multiple versions of an API true/false
                        if (!displayMultipleVersions) {
                            // If allow only showing the latest version of an API
                            key = api.getId().getProviderName() + COLON_CHAR + api.getId().getApiName();
                            API existingAPI = latestPublishedAPIs.get(key);
                            if (existingAPI != null) {
                                // this one has a higher version number
                                if (versionComparator.compare(api, existingAPI) > 0) {
                                    latestPublishedAPIs.put(key, api);
                                }
                            } else {
                                // We haven't seen this API before
                                latestPublishedAPIs.put(key, api);
                            }
                        } else {
                            // If allow showing multiple versions of an API
                            multiVersionedAPIs.add(api);
                        }
                    }
                    tempLength++;
                    if (tempLength >= totalLength) {
                        break;
                    }
                }
                if (!displayMultipleVersions) {
                    apiSortedSet.addAll(latestPublishedAPIs.values());
                    result.put("apis", apiSortedSet);
                    result.put("totalLength", totalLength);
                    result.put("isMore", isMore);
                    return result;
                } else {
                    apiVersionsSortedSet.addAll(multiVersionedAPIs);
                    result.put("apis", apiVersionsSortedSet);
                    result.put("totalLength", totalLength);
                    result.put("isMore", isMore);
                    return result;
                }
            }
        } else {
            String errorMessage = "Artifact manager is null for tenant domain " + tenantDomain + " when retrieving all paginated APIs by status.";
            log.error(errorMessage);
        }
    } catch (RegistryException e) {
        handleException("Failed to get all published APIs", e);
    } catch (UserStoreException e) {
        handleException("Failed to get all published APIs", e);
    } finally {
        PaginationContext.destroy();
    }
    result.put("apis", apiSortedSet);
    result.put("totalLength", totalLength);
    result.put("isMore", isMore);
    return result;
}