Example usage for com.mongodb.client.model Indexes descending

Introduction

In this page you can find the example usage for com.mongodb.client.model Indexes descending.

Prototype

public static Bson descending(final List<String> fieldNames) 

Source Link

Document

Create an index key for an ascending index on the given fields.

Usage

From source file:com.redhat.jielicious.storage.mongo.handler.MongoStorageHandler.java

License:Open Source License

private void putAll(String body, SecurityContext context, String systemId, String agentId, String jvmId,
        final String namespace, AsyncResponse asyncResponse, final String collectionSuffix) {
    if (!namespaceSet.contains(namespace)) {
        namespaceSet.add(namespace);//from  w w w  .  j  av  a  2 s .  c om
    }

    if (!indexSet.contains(namespace + collectionSuffix)) {
        ThermostatMongoStorage.getDatabase().getCollection(namespace + collectionSuffix)
                .createIndex(Indexes.descending("systemId"), new IndexOptions().background(true));
        ThermostatMongoStorage.getDatabase().getCollection(namespace + collectionSuffix)
                .createIndex(Indexes.descending("agentId"), new IndexOptions().background(true));
        ThermostatMongoStorage.getDatabase().getCollection(namespace + collectionSuffix)
                .createIndex(Indexes.descending("jvmId"), new IndexOptions().background(true));
        indexSet.add(namespace + collectionSuffix);
    }

    try {
        BasicDBList inputList = (BasicDBList) JSON.parse(body);

        final List<Document> items = new ArrayList<>();
        for (Object item : inputList) {
            items.add(Document.parse(new DocumentBuilder(item.toString())
                    .addTags(context.getUserPrincipal().getName()).addId("systemId", systemId)
                    .addId("agentId", agentId).addId("jvmId", jvmId).build()));
        }

        TimedRequest<Boolean> timedRequest = new TimedRequest<>();

        Boolean response = timedRequest.run(new TimedRequest.TimedRunnable<Boolean>() {
            @Override
            public Boolean run() {
                try {
                    ThermostatMongoStorage.getDatabase().getCollection(namespace + collectionSuffix)
                            .insertMany(items);
                } catch (Exception e) {
                    return Boolean.FALSE;
                }
                return Boolean.TRUE;
            }
        });

        asyncResponse.resume(Response.status(Response.Status.OK).entity("PUT: " + response.toString()).build());
    } catch (Exception e) {
        asyncResponse.resume(Response.status(Response.Status.BAD_REQUEST).build());
    }
}

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From source file:io.lumeer.storage.mongodb.dao.organization.MongoPaymentDao.java

License:Open Source License

@Override
public void createPaymentRepository(final Organization organization) {
    database.createCollection(databaseCollectionName(organization));

    MongoCollection<Document> groupCollection = database.getCollection(databaseCollectionName(organization));
    groupCollection.createIndex(Indexes.ascending(PaymentCodec.PAYMENT_ID), new IndexOptions().unique(true));
    groupCollection.createIndex(Indexes.descending(PaymentCodec.DATE), new IndexOptions().unique(true));
    groupCollection.createIndex(Indexes.descending(PaymentCodec.START), new IndexOptions().unique(true));
    groupCollection.createIndex(Indexes.descending(PaymentCodec.VALID_UNTIL), new IndexOptions().unique(true));
}

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From source file:okra.index.IndexCreator.java

License:Open Source License

public static <T extends OkraItem> void ensureIndexes(final Okra<T> okra, final MongoClient mongo,
        final String database, final String collection) {
    okra.getIndexDefs().stream().map(indexDef -> {
        final boolean ascending = indexDef.getOrdering() == null || indexDef.getOrdering().equals(Ordering.ASC);

        final Bson ordering = ascending ? Indexes.ascending(indexDef.getAttrs())
                : Indexes.descending(indexDef.getAttrs());

        return mongo.getDatabase(database).getCollection(collection).createIndex(ordering);
    }).forEach(indexName -> LOGGER.info("Done. Index name: {}", indexName));
}

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