Example usage for org.springframework.data.mongodb.repository.query PartTreeMongoQuery getTree

Introduction

In this page you can find the example usage for org.springframework.data.mongodb.repository.query PartTreeMongoQuery getTree.

Prototype

public PartTree getTree() 

Source Link

Document

Return the PartTree backing the query.

Usage

From source file:org.springframework.data.mongodb.repository.support.IndexEnsuringQueryCreationListener.java

public void onCreation(PartTreeMongoQuery query) {

    PartTree tree = query.getTree();
    Index index = new Index();
    index.named(query.getQueryMethod().getName());
    Sort sort = tree.getSort();/*from   www . j a  v a2s .c  o m*/

    for (Part part : tree.getParts()) {
        if (GEOSPATIAL_TYPES.contains(part.getType())) {
            return;
        }
        String property = part.getProperty().toDotPath();
        Order order = toOrder(sort, property);
        index.on(property, order);
    }

    // Add fixed sorting criteria to index
    if (sort != null) {
        for (Sort.Order order : sort) {
            index.on(order.getProperty(), QueryUtils.toOrder(order));
        }
    }

    MongoEntityInformation<?, ?> metadata = query.getQueryMethod().getEntityInformation();
    operations.indexOps(metadata.getCollectionName()).ensureIndex(index);
    LOG.debug(String.format("Created %s!", index));
}

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