Examples of org.bson.BSONObject

org.bson.BSONObject
A key-value map that can be saved to the database.

        return response;
    }


    private BSONObject commandDropDatabase() {
        backend.dropDatabase(this);
        BSONObject response = new BasicBSONObject("dropped", getDatabaseName());
        Utils.markOkay(response);
        return response;
    }

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        MongoCollection collection = collections.remove(collectionName);


        if (collection == null) {
            throw new MongoSilentServerException("ns not found");
        }
        BSONObject response = new BasicBSONObject();
        namespaces.removeDocument(new BasicBSONObject("name", collection.getFullName()));
        response.put("nIndexesWas", Integer.valueOf(collection.getNumIndexes()));
        response.put("ns", collection.getFullName());
        Utils.markOkay(response);
        return response;


    }

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        return response;


    }


    private void putLastError(Channel channel, MongoServerException ex) {
        BSONObject error = new BasicBSONObject();
        if (ex instanceof MongoServerError) {
            MongoServerError err = (MongoServerError) ex;
            error.put("err", err.getMessage());
            error.put("code", Integer.valueOf(err.getCode()));
        } else {
            error.put("err", ex.getMessage());
        }
        // TODO: https://github.com/netty/netty/issues/1810
        // also note:
        // http://stackoverflow.com/questions/17690094/channel-id-has-been-removed-in-netty4-0-final-version-how-can-i-solve
        error.put("connectionId", Integer.valueOf(channel.hashCode()));
        putLastResult(channel, error);
    }

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    }


    private synchronized void putLastResult(Channel channel, BSONObject result) {
        List<BSONObject> results = lastResults.get(channel);
        // list must not be empty
        BSONObject last = results.get(results.size() - 1);
        if (last != null) {
            throw new IllegalStateException("last result already set: " + last);
        }
        results.set(results.size() - 1, result);
    }

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            }
        }


        List<BSONObject> results = lastResults.get(channel);


        BSONObject result = null;
        if (results != null && !results.isEmpty()) {
            result = results.get(results.size() - 1);
            if (result == null) {
                result = new BasicBSONObject();
            }
        } else {
            result = new BasicBSONObject();
            result.put("err", null);
        }
        Utils.markOkay(result);
        return result;
    }

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    private BSONObject commandGetPrevError(Channel channel, String command, BSONObject query) {
        List<BSONObject> results = lastResults.get(channel);


        if (results != null) {
            for (int i = 1; i < results.size(); i++) {
                BSONObject result = results.get(results.size() - i);
                if (result == null) {
                    continue;
                }


                boolean isRelevant = false;
                if (result.get("err") != null) {
                    isRelevant = true;
                } else if (((Number) result.get("n")).intValue() > 0) {
                    isRelevant = true;
                }


                if (isRelevant) {
                    result.put("nPrev", Integer.valueOf(i));
                    return result;
                }
            }
        }


        // found no prev error
        BSONObject result = new BasicBSONObject();
        result.put("nPrev", Integer.valueOf(-1));
        Utils.markOkay(result);
        return result;
    }

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    private BSONObject commandResetError(Channel channel, String command, BSONObject query) {
        List<BSONObject> results = lastResults.get(channel);
        if (results != null) {
            results.clear();
        }
        BSONObject result = new BasicBSONObject();
        Utils.markOkay(result);
        return result;
    }

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        return result;
    }


    private BSONObject commandCount(String command, BSONObject query) throws MongoServerException {
        String collection = query.get(command).toString();
        BSONObject response = new BasicBSONObject();
        MongoCollection coll = collections.get(collection);
        if (coll == null) {
            response.put("missing", Boolean.TRUE);
            response.put("n", Integer.valueOf(0));
        } else {
            response.put("n", Integer.valueOf(coll.count((BSONObject) query.get("query"))));
        }
        Utils.markOkay(response);
        return response;
    }

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    }


    private Iterable<Integer> matchDocuments(BSONObject query, Iterable<Integer> positions) throws MongoServerException {
        List<Integer> answer = new ArrayList<Integer>();
        for (Integer pos : positions) {
            BSONObject document = documents.get(pos.intValue());
            if (matcher.matches(document, query)) {
                answer.add(pos);
            }
        }
        return answer;

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    }


    private Iterable<Integer> matchDocuments(BSONObject query) throws MongoServerException {
        List<Integer> answer = new ArrayList<Integer>();
        for (int i = 0; i < documents.size(); i++) {
            BSONObject document = documents.get(i);
            if (document != null && matcher.matches(document, query)) {
                answer.add(Integer.valueOf(i));
            }
        }
        return answer;

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