Example usage for com.mongodb.client MongoCollection renameCollection

Introduction

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

Prototype

void renameCollection(MongoNamespace newCollectionNamespace);

Source Link

Document

Rename the collection with oldCollectionName to the newCollectionName.

Usage

From source file:com.imaginea.mongodb.services.impl.CollectionServiceImpl.java

License:Apache License

/**
 * Creates a collection inside a database in mongo to which user is connected to.
 *
 * @param dbName Name of Database in which to insert a collection
 * @param selectedCollectionName Collection on which the operation is performed
 * @param newCollName Name of Collection to be added/renamed to
 * @param capped Specify if the collection is capped
 * @param size Specify the size of collection
 * @param maxDocs specify maximum no of documents in the collection
 * @return Success if Insertion is successful else throw exception
 * @throws DatabaseException throw super type of UndefinedDatabaseException
 * @throws ValidationException throw super type of
 *         EmptyDatabaseNameException,EmptyCollectionNameException
 * @throws CollectionException throw super type of
 *         DuplicateCollectionException,InsertCollectionException
 *//*from  ww w . j  a v a2  s  . c o m*/
public String updateCollection(String dbName, String selectedCollectionName, String newCollName, boolean capped,
        long size, int maxDocs, boolean autoIndexId)
        throws DatabaseException, CollectionException, ValidationException {

    if (dbName == null || dbName.equals("")) {
        throw new DatabaseException(ErrorCodes.DB_NAME_EMPTY, "Invalid Database name");
    }

    if (selectedCollectionName == null || newCollName == null) {
        throw new CollectionException(ErrorCodes.COLLECTION_NAME_EMPTY, "Collection name should be provided");
    }
    if (selectedCollectionName.equals("") || newCollName.equals("")) {
        throw new CollectionException(ErrorCodes.COLLECTION_NAME_EMPTY, "Collection name cannot be empty");
    }
    String result = "No updates were specified!";
    try {
        // if (!databaseService.getDbList().contains(dbName)) {
        //   throw new DatabaseException(ErrorCodes.DB_DOES_NOT_EXISTS,
        //       "Db with name [" + dbName + "] doesn't exist.");
        // }

        boolean convertedToCapped = false, convertedToNormal = false, renamed = false;

        MongoDatabase db = mongoInstance.getDatabase(dbName);
        MongoCollection<Document> selectedCollection = db.getCollection(selectedCollectionName);
        CreateCollectionOptions options = new CreateCollectionOptions();
        options.capped(capped);
        if (capped) {
            options.maxDocuments(maxDocs);
            options.autoIndex(autoIndexId);
            options.sizeInBytes(size);
            createCollection(options, selectedCollection, selectedCollectionName, db);
            convertedToCapped = true;
        } else {
            createCollection(options, selectedCollection, selectedCollectionName, db);
            convertedToNormal = true;
        }

        if (!selectedCollectionName.equals(newCollName)) {
            if (getCollList(dbName).contains(newCollName)) {
                throw new CollectionException(ErrorCodes.COLLECTION_ALREADY_EXISTS,
                        "Collection [" + newCollName + "] already exists in Database [" + dbName + "]");
            }
            selectedCollection = db.getCollection(selectedCollectionName);

            MongoNamespace mongoNamespace = new MongoNamespace(dbName + "." + newCollName);

            selectedCollection.renameCollection(mongoNamespace);
            renamed = true;
        }
        if ((convertedToNormal || convertedToCapped) && renamed) {
            result = "Collection [" + selectedCollectionName + "] was successfully updated.";
        } else if (convertedToCapped) {
            result = "Collection [" + selectedCollectionName
                    + "] was successfully converted to capped collection";
        } else if (convertedToNormal) {
            result = "Capped Collection [" + selectedCollectionName
                    + "] was successfully converted to normal collection";
        } else if (renamed) {
            result = "Collection [" + selectedCollectionName + "] was successfully renamed to '" + newCollName
                    + "'";
        }
    } catch (MongoException m) {
        throw new CollectionException(ErrorCodes.COLLECTION_UPDATE_EXCEPTION, m.getMessage());
    }
    return result;
}

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From source file:com.imaginea.mongodb.services.impl.CollectionServiceImpl.java

License:Apache License

/**
 * Deletes a collection inside a database in mongo to which user is connected to.
 *
 * @param dbName Name of Database in which to insert a collection
 * @param collectionName Name of Collection to be inserted
 * @return Success if deletion is successful else throw exception
 * @throws DatabaseException throw super type of UndefinedDatabaseException
 * @throws ValidationException throw super type of
 *         EmptyDatabaseNameException,EmptyCollectionNameException
 * @throws CollectionException throw super type of
 *         UndefinedCollectionException,DeleteCollectionException
 *//*from   ww w  .  jav  a 2  s. c  o m*/

private void createCollection(CreateCollectionOptions options, MongoCollection<Document> selectedCollection,
        String selectedCollectionName, MongoDatabase db) {
    db.createCollection(selectedCollectionName + "_temp", options);
    MongoCollection<Document> tempCollection = db.getCollection(selectedCollectionName + "_temp");

    MongoCursor<Document> cur = selectedCollection.find().iterator();
    while (cur.hasNext()) {
        Document obj = cur.next();
        tempCollection.insertOne(obj);
    }
    MongoNamespace namespace = selectedCollection.getNamespace();
    selectedCollection.drop();
    tempCollection.renameCollection(namespace);
}

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From source file:mongofx.ui.dbtree.DBTreeController.java

License:Open Source License

private void onReanameCollection(ActionEvent actionEvent) {
    TreeItem<DbTreeValue> selectedItem = treeView.getSelectionModel().getSelectedItem();
    if (selectedItem == null) {
        return;//from  ww w  .ja v  a 2  s .c o  m
    }

    DbTreeValue value = selectedItem.getValue();
    TextInputDialog dialog = new TextInputDialog(value.getDisplayValue());
    dialog.setContentText("New collection name:");
    dialog.setHeaderText("Rename collection");
    dialog.showAndWait().ifPresent(targetCollection -> {
        MongoCollection<Document> collection = value.getMongoDatabase().getMongoDb()
                .getCollection(value.getDisplayValue());
        collection.renameCollection(new MongoNamespace(value.getMongoDatabase().getName(), targetCollection));
        ((DynamicTreeItem) selectedItem.getParent()).reload();
    });
}

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