Example usage for com.mongodb.async.client MongoCollection listIndexes

Introduction

In this page you can find the example usage for com.mongodb.async.client MongoCollection listIndexes.

Prototype

ListIndexesIterable<Document> listIndexes();

Source Link

Document

Get all the indexes in this collection.

Usage

From source file:org.openo.commontosca.inventory.core.mongo.handler.model.MongoModelInsertRequestHandler.java

License:Apache License

/**
 *
 * /*from  w  w  w .ja  va  2 s  . c  o m*/
 * @param request
 * @throws Exception
 */
private void ensureModelCollection(Insert request) throws Exception {
    MongoCollection<Document> modelCollection = this.getDatabase(request)
            .getCollection(Model.MODEL_DEFAULT_COLLECTION_NAME);
    boolean noneMatch = DeferredSingleResult.<List<Document>>execute(deferred -> {
        modelCollection.listIndexes().into(new ArrayList<>(), deferred);
    }).stream().map(d -> {
        return ValueMap.wrap(d);
    }).noneMatch(v -> {
        return v.requireMap("key").get(ModelKey.NAME) != null;
    });
    if (noneMatch) {
        DeferredSingleResult.<String>execute(deferred -> {
            modelCollection.createIndex(Indexes.ascending(ModelKey.NAME.getKeyName()),
                    new IndexOptions().unique(true), deferred);
        });
    }
}

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From source file:org.openo.commontosca.inventory.core.mongo.handler.model.MongoModelUpdateRequestHandler.java

License:Apache License

private void ensureDataCollection(Update request) throws Exception {
    ValueMap model = request.getInventory().model().find().byName(request.getModelName()).execute().asOne();
    if (model != null) {
        MongoCollection<Document> dataCollection = this.getDatabase(request)
                .getCollection(MongoUtils.getModelCollectionName(request.getModelName()));
        List<ValueMap> allIndexes = DeferredSingleResult.<List<ValueMap>>execute(deferred -> {
            dataCollection.listIndexes().map(document -> {
                return ValueMap.wrap(document);
            }).into(new ArrayList<>(), deferred);
        });//from  w  ww.j  a  v  a2  s  .  com
        String primaryKey = "_id";
        String displayAttribute = model.requireValue(ModelKey.DISPLAY_ATTRUBITE);
        this.ensureDataCollectionIndex(dataCollection, allIndexes, DataKey.CREATE_TIME.getKeyName(), true,
                false);
        this.ensureDataCollectionIndex(dataCollection, allIndexes, DataKey.LAST_MODIFIED.getKeyName(), true,
                false);
        model.requireValue(ModelKey.ATTRIBUTES).stream().map(obj -> {
            return ValueAccess.wrap(obj).as(ValueMap.class);
        }).forEach(attribute -> {
            boolean isUniqueIndex = attribute.optValue(ModelKey.UNIQUE, false);
            boolean isReferenceTypeIndex = ValueType
                    .parse(attribute.requireValue(ModelKey.TYPE)) == ValueType.REFERENCE;
            boolean isDisplayAttributeIndex = attribute.requireValue(ModelKey.NAME).equals(displayAttribute);
            boolean isPrimaryKey = attribute.requireValue(ModelKey.NAME).equals(primaryKey);
            if (!isPrimaryKey) {
                boolean hasIndex = isUniqueIndex || isReferenceTypeIndex || isDisplayAttributeIndex;
                try {
                    this.ensureDataCollectionIndex(dataCollection, allIndexes,
                            attribute.requireValue(ModelKey.NAME), hasIndex, isUniqueIndex || isPrimaryKey);
                } catch (Exception e) {
                    throw Toolkits.toInventoryException(e);
                }
            }
        });
    } else {
        throw new IllegalArgumentException("No such model: " + request.getModelName());
    }
}

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