com.mongodb.client.ListIndexesIterable Java Examples

The following examples show how to use com.mongodb.client.ListIndexesIterable. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: MongoIndex.java    From presto with Apache License 2.0 6 votes vote down vote up 
public static List<MongoIndex> parse(ListIndexesIterable<Document> indexes)
{
    ImmutableList.Builder<MongoIndex> builder = ImmutableList.builder();
    for (Document index : indexes) {
        // TODO: v, ns, sparse fields
        Document key = (Document) index.get("key");
        String name = index.getString("name");
        boolean unique = index.getBoolean("unique", false);

        if (key.containsKey("_fts")) { // Full Text Search
            continue;
        }
        builder.add(new MongoIndex(name, parseKey(key), unique));
    }

    return builder.build();
}
Example #2
Source File: MongoCompensableLogger.java    From ByteTCC with GNU Lesser General Public License v3.0 5 votes vote down vote up 
private void createTransactionsGlobalTxKeyIndexIfNecessary() {
	String databaseName = CommonUtils.getApplication(this.endpoint).replaceAll("\\W", "_");
	MongoDatabase database = this.mongoClient.getDatabase(databaseName);
	MongoCollection<Document> transactions = database.getCollection(CONSTANTS_TB_TRANSACTIONS);
	ListIndexesIterable<Document> transactionIndexList = transactions.listIndexes();
	boolean transactionIndexExists = false;
	MongoCursor<Document> transactionCursor = null;
	try {
		transactionCursor = transactionIndexList.iterator();
		while (transactionIndexExists == false && transactionCursor.hasNext()) {
			Document document = transactionCursor.next();
			Boolean unique = document.getBoolean("unique");
			Document key = (Document) document.get("key");

			boolean globalExists = key.containsKey(CONSTANTS_FD_GLOBAL);
			boolean lengthEquals = key.size() == 1;
			transactionIndexExists = lengthEquals && globalExists;

			if (transactionIndexExists && (unique == null || unique == false)) {
				throw new IllegalStateException();
			}
		}
	} finally {
		IOUtils.closeQuietly(transactionCursor);
	}

	if (transactionIndexExists == false) {
		Document index = new Document(CONSTANTS_FD_GLOBAL, 1);
		transactions.createIndex(index, new IndexOptions().unique(true));
	}
}
Example #3
Source File: MongoCompensableLock.java    From ByteTCC with GNU Lesser General Public License v3.0 5 votes vote down vote up 
private void createLocksIndexIfNecessary() {
	String databaseName = CommonUtils.getApplication(this.endpoint).replaceAll("\\W", "_");
	MongoDatabase database = this.mongoClient.getDatabase(databaseName);
	MongoCollection<Document> locks = database.getCollection(CONSTANTS_TB_LOCKS);
	ListIndexesIterable<Document> lockIndexList = locks.listIndexes();
	boolean transactionIndexExists = false;
	MongoCursor<Document> lockCursor = null;
	try {
		lockCursor = lockIndexList.iterator();
		while (transactionIndexExists == false && lockCursor.hasNext()) {
			Document document = lockCursor.next();
			Boolean unique = document.getBoolean("unique");
			Document key = (Document) document.get("key");

			boolean globalExists = key.containsKey(CONSTANTS_FD_GLOBAL);
			boolean lengthEquals = key.size() == 1;
			transactionIndexExists = lengthEquals && globalExists;

			if (transactionIndexExists && (unique == null || unique == false)) {
				throw new IllegalStateException();
			}
		}
	} finally {
		IOUtils.closeQuietly(lockCursor);
	}

	if (transactionIndexExists == false) {
		Document index = new Document(CONSTANTS_FD_GLOBAL, 1);
		locks.createIndex(index, new IndexOptions().unique(true));
	}
}
Example #4
Source File: CmdIdxAccessStats.java    From mongodb-slow-operations-profiler with GNU Affero General Public License v3.0 5 votes vote down vote up 
private HashMap<String, Document> getIndexesProperties(MongoCollection collection){
    final HashMap<String, Document> result = new HashMap<>();
    final ListIndexesIterable<Document> currentIndexes = collection.listIndexes();
    for(Document doc: currentIndexes){
        String indexName = doc.getString("name");
        if(indexName != null){
            result.put(indexName, doc);
        }
    }
    return result;
}