Example usage for com.mongodb.client.model Collation.Builder backwards

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In this page you can find the example usage for com.mongodb.client.model Collation.Builder backwards.

Prototype

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Usage

From source file:org.wso2.extension.siddhi.store.mongodb.util.MongoTableUtils.java

License:Open Source License

/**
 * Utility method which can be used to create an IndexModel.
 *
 * @param fieldName   the attribute on which the index is to be created.
 * @param sortOrder   the sort order of the index to be created.
 * @param indexOption json string of the options of the index to be created.
 * @return IndexModel./*from   w ww.  ja  v  a 2 s . c  o  m*/
 */
private static IndexModel createIndexModel(String fieldName, Integer sortOrder, String indexOption) {
    Document indexDocument = new Document(fieldName, sortOrder);
    if (indexOption == null) {
        return new IndexModel(indexDocument);
    } else {
        IndexOptions indexOptions = new IndexOptions();
        Document indexOptionDocument;
        try {
            indexOptionDocument = Document.parse(indexOption);
            for (Map.Entry<String, Object> indexEntry : indexOptionDocument.entrySet()) {
                Object value = indexEntry.getValue();
                switch (indexEntry.getKey()) {
                case "unique":
                    indexOptions.unique(Boolean.parseBoolean(value.toString()));
                    break;
                case "background":
                    indexOptions.background(Boolean.parseBoolean(value.toString()));
                    break;
                case "name":
                    indexOptions.name(value.toString());
                    break;
                case "sparse":
                    indexOptions.sparse(Boolean.parseBoolean(value.toString()));
                    break;
                case "expireAfterSeconds":
                    indexOptions.expireAfter(Long.parseLong(value.toString()), TimeUnit.SECONDS);
                    break;
                case "version":
                    indexOptions.version(Integer.parseInt(value.toString()));
                    break;
                case "weights":
                    indexOptions.weights((Bson) value);
                    break;
                case "languageOverride":
                    indexOptions.languageOverride(value.toString());
                    break;
                case "defaultLanguage":
                    indexOptions.defaultLanguage(value.toString());
                    break;
                case "textVersion":
                    indexOptions.textVersion(Integer.parseInt(value.toString()));
                    break;
                case "sphereVersion":
                    indexOptions.sphereVersion(Integer.parseInt(value.toString()));
                    break;
                case "bits":
                    indexOptions.bits(Integer.parseInt(value.toString()));
                    break;
                case "min":
                    indexOptions.min(Double.parseDouble(value.toString()));
                    break;
                case "max":
                    indexOptions.max(Double.parseDouble(value.toString()));
                    break;
                case "bucketSize":
                    indexOptions.bucketSize(Double.parseDouble(value.toString()));
                    break;
                case "partialFilterExpression":
                    indexOptions.partialFilterExpression((Bson) value);
                    break;
                case "collation":
                    DBObject collationOptions = (DBObject) value;
                    Collation.Builder builder = Collation.builder();
                    for (String collationKey : collationOptions.keySet()) {
                        String collationObj = value.toString();
                        switch (collationKey) {
                        case "locale":
                            builder.locale(collationObj);
                            break;
                        case "caseLevel":
                            builder.caseLevel(Boolean.parseBoolean(collationObj));
                            break;
                        case "caseFirst":
                            builder.collationCaseFirst(CollationCaseFirst.fromString(collationObj));
                            break;
                        case "strength":
                            builder.collationStrength(CollationStrength.valueOf(collationObj));
                            break;
                        case "numericOrdering":
                            builder.numericOrdering(Boolean.parseBoolean(collationObj));
                            break;
                        case "normalization":
                            builder.normalization(Boolean.parseBoolean(collationObj));
                            break;
                        case "backwards":
                            builder.backwards(Boolean.parseBoolean(collationObj));
                            break;
                        case "alternate":
                            builder.collationAlternate(CollationAlternate.fromString(collationObj));
                            break;
                        case "maxVariable":
                            builder.collationMaxVariable(CollationMaxVariable.fromString(collationObj));
                            break;
                        default:
                            log.warn("Annotation 'IndexBy' for the field '" + fieldName + "' contains "
                                    + "unknown 'Collation' Option key : '" + collationKey + "'. Please "
                                    + "check your query and try again.");
                            break;
                        }
                    }
                    if (builder.build().getLocale() != null) {
                        indexOptions.collation(builder.build());
                    } else {
                        throw new MongoTableException("Annotation 'IndexBy' for the field '" + fieldName + "'"
                                + " do not contain option for locale. Please check your query and try again.");
                    }
                    break;
                case "storageEngine":
                    indexOptions.storageEngine((Bson) value);
                    break;
                default:
                    log.warn("Annotation 'IndexBy' for the field '" + fieldName + "' contains unknown option "
                            + "key : '" + indexEntry.getKey() + "'. Please check your query and try again.");
                    break;
                }
            }
        } catch (JsonParseException | NumberFormatException e) {
            throw new MongoTableException("Annotation 'IndexBy' for the field '" + fieldName + "' contains "
                    + "illegal value(s) for index option. Please check your query and try again.", e);
        }
        return new IndexModel(indexDocument, indexOptions);
    }
}

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