Example usage for com.mongodb.client MongoCollection createIndex

Introduction

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

Prototype

String createIndex(Bson keys);

Source Link

Document

Create an index with the given keys.

Usage

From source file:rapture.blob.mongodb.DocHandler.java

License:Open Source License

private MongoCollection<Document> createCollection() {
    MongoDatabase db = MongoDBFactory.getDatabase(instanceName);
    MongoCollection<Document> tempCollection = db.getCollection(bucket);
    Document blobNameIndex = new Document(BLOB_NAME, 1).append("unique", false).append("sparse", true);
    tempCollection.createIndex(blobNameIndex);
    return tempCollection;
}

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From source file:rapture.repo.mongodb.MongoDbDataStore.java

License:Open Source License

@Override
public void setConfig(Map<String, String> config) {
    tableName = config.get(PREFIX);//from w w  w.  j  av a2s . co  m
    if (config.containsKey(SEPARATE_VERSION)) {
        separateVersion = Boolean.valueOf(config.get(SEPARATE_VERSION));
    }
    String dirName;
    if (tableName == null || tableName.isEmpty()) {
        tableName = "__data__" + instanceName;
        dirName = "__dir__" + instanceName;
    } else {
        dirName = "__dir__" + tableName;
    }

    MongoCollection<Document> collection = getCollection();
    collection.createIndex(new Document(KEY, new BsonInt32(1)));
    dirRepo.setInstanceName(instanceName);
    Map<String, String> dirConfig = ImmutableMap.of(PREFIX, dirName);
    dirRepo.setConfig(dirConfig);
    dirRepo.setRepoDescription(String.format("Mongo - %s", tableName));
}

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From source file:rapture.table.mongodb.MongoIndexHandler.java

License:Open Source License

@Override
public void setConfig(Map<String, String> config) {
    tableName = config.get(PREFIX);/*from   w w  w .j  ava 2  s  .  c  om*/
    MongoCollection<Document> collection = MongoDBFactory.getCollection(instanceName, tableName);
    collection.createIndex(new BsonDocument(KEY, new BsonInt32(1)));
}

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From source file:tour.NewQuickTour.java

License:Apache License

/**
 * Run this main method to see the output of this quick example.
 *
 * @param args takes an optional single argument for the connection string
 *///from  w w w  . j  av a  2 s . c  om
public static void main(final String[] args) {
    MongoClient mongoClient;

    if (args.length == 0) {
        // connect to the local database server
        mongoClient = new MongoClient();
    } else {
        mongoClient = new MongoClient(new MongoClientURI(args[0]));
    }

    // get handle to "mydb" database
    MongoDatabase database = mongoClient.getDatabase("mydb");

    database.drop();

    // get a list of the collections in this database and print them out
    List<String> collectionNames = database.listCollectionNames().into(new ArrayList<String>());
    for (final String s : collectionNames) {
        System.out.println(s);
    }

    // get a handle to the "test" collection
    MongoCollection<Document> collection = database.getCollection("test");

    // drop all the data in it
    collection.drop();

    // make a document and insert it
    Document doc = new Document("name", "MongoDB").append("type", "database").append("count", 1).append("info",
            new Document("x", 203).append("y", 102));

    collection.insertOne(doc);

    // get it (since it's the only one in there since we dropped the rest earlier on)
    Document myDoc = collection.find().first();
    System.out.println(myDoc);

    // now, lets add lots of little documents to the collection so we can explore queries and cursors
    List<Document> documents = new ArrayList<Document>();
    for (int i = 0; i < 100; i++) {
        documents.add(new Document("i", i));
    }
    collection.insertMany(documents);
    System.out.println(
            "total # of documents after inserting 100 small ones (should be 101) " + collection.count());

    // lets get all the documents in the collection and print them out
    MongoCursor<Document> cursor = collection.find().iterator();
    try {
        while (cursor.hasNext()) {
            System.out.println(cursor.next());
        }
    } finally {
        cursor.close();
    }

    for (Document cur : collection.find()) {
        System.out.println(cur);
    }

    // now use a query to get 1 document out
    myDoc = collection.find(eq("i", 71)).first();
    System.out.println(myDoc);

    // now use a range query to get a larger subset
    cursor = collection.find(gt("i", 50)).iterator();

    try {
        while (cursor.hasNext()) {
            System.out.println(cursor.next());
        }
    } finally {
        cursor.close();
    }

    // range query with multiple constraints
    cursor = collection.find(and(gt("i", 50), lte("i", 100))).iterator();

    try {
        while (cursor.hasNext()) {
            System.out.println(cursor.next());
        }
    } finally {
        cursor.close();
    }

    // max time
    collection.find().maxTime(1, TimeUnit.SECONDS).first();

    collection.drop();

    // ordered bulk writes
    List<WriteModel<Document>> writes = new ArrayList<WriteModel<Document>>();
    writes.add(new InsertOneModel<Document>(new Document("_id", 4)));
    writes.add(new InsertOneModel<Document>(new Document("_id", 5)));
    writes.add(new InsertOneModel<Document>(new Document("_id", 6)));
    writes.add(
            new UpdateOneModel<Document>(new Document("_id", 1), new Document("$set", new Document("x", 2))));
    writes.add(new DeleteOneModel<Document>(new Document("_id", 2)));
    writes.add(new ReplaceOneModel<Document>(new Document("_id", 3), new Document("_id", 3).append("x", 4)));

    collection.bulkWrite(writes);

    collection.drop();

    collection.bulkWrite(writes, new BulkWriteOptions().ordered(false));

    // getting a list of databases
    for (String name : mongoClient.listDatabaseNames()) {
        System.out.println(name);
    }

    // drop a database
    mongoClient.dropDatabase("databaseToBeDropped");

    // create a collection
    database.createCollection("cappedCollection",
            new CreateCollectionOptions().capped(true).sizeInBytes(0x100000));

    for (String name : database.listCollectionNames()) {
        System.out.println(name);
    }

    // create an ascending index on the "i" field
    collection.createIndex(new Document("i", 1));

    // list the indexes on the collection
    for (final Document index : collection.listIndexes()) {
        System.out.println(index);
    }

    // create a text index on the "content" field
    collection.createIndex(new Document("content", "text"));

    collection.insertOne(new Document("_id", 0).append("content", "textual content"));
    collection.insertOne(new Document("_id", 1).append("content", "additional content"));
    collection.insertOne(new Document("_id", 2).append("content", "irrelevant content"));

    // Find using the text index
    Document search = new Document("$search", "textual content -irrelevant");
    Document textSearch = new Document("$text", search);
    long matchCount = collection.count(textSearch);
    System.out.println("Text search matches: " + matchCount);

    // Find using the $language operator
    textSearch = new Document("$text", search.append("$language", "english"));
    matchCount = collection.count(textSearch);
    System.out.println("Text search matches (english): " + matchCount);

    // Find the highest scoring match
    Document projection = new Document("score", new Document("$meta", "textScore"));
    myDoc = collection.find(textSearch).projection(projection).first();
    System.out.println("Highest scoring document: " + myDoc);

    // release resources
    mongoClient.close();
}

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