org.elastos.hive.vault.database

Class DatabaseController

java.lang.Object

org.elastos.hive.vault.database.DatabaseController

public class DatabaseController
extends java.lang.Object

The wrapper class is to access the database module of the hive node.

Constructor Summary

Constructors

Constructor and Description
DatabaseController(NodeRPCConnection connection) Create by the RPC connection.

Method Summary

Modifier and Type	Method and Description
long	countDocuments(java.lang.String collectionName, com.fasterxml.jackson.databind.JsonNode filter, CountOptions options) Count the documents by filter.
void	createCollection(java.lang.String collectionName) Create the collection.
void	deleteCollection(java.lang.String collectionName) Delete the collection by name.
int	deleteMany(java.lang.String collectionName, com.fasterxml.jackson.databind.JsonNode filter, DeleteOptions options) Delete all matched document by the filter.
int	deleteOne(java.lang.String collectionName, com.fasterxml.jackson.databind.JsonNode filter, DeleteOptions options) Delete the first matched document by the filter.
java.util.List<com.fasterxml.jackson.databind.JsonNode>	find(java.lang.String collectionName, com.fasterxml.jackson.databind.JsonNode filter, FindOptions options) Find all matched document by filter.
com.fasterxml.jackson.databind.JsonNode	findOne(java.lang.String collectionName, com.fasterxml.jackson.databind.JsonNode filter, FindOptions options) Find the first matched document by filter.
InsertResult	insertMany(java.lang.String collectionName, java.util.List<com.fasterxml.jackson.databind.JsonNode> documents, InsertOptions options) Insert many documents.
InsertResult	insertOne(java.lang.String collectionName, com.fasterxml.jackson.databind.JsonNode document, InsertOptions options) Insert one document.
java.util.List<com.fasterxml.jackson.databind.JsonNode>	query(java.lang.String collectionName, com.fasterxml.jackson.databind.JsonNode filter, QueryOptions options) Query the documents by filter and options.
UpdateResult	updateMany(java.lang.String collectionName, com.fasterxml.jackson.databind.JsonNode filter, com.fasterxml.jackson.databind.JsonNode update, UpdateOptions options) Update all matched documents by the filter.
UpdateResult	updateOne(java.lang.String collectionName, com.fasterxml.jackson.databind.JsonNode filter, com.fasterxml.jackson.databind.JsonNode update, UpdateOptions options) Update the first matched document by the filter.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DatabaseController

public DatabaseController(NodeRPCConnection connection)

Create by the RPC connection.

Parameters:

connection - The RPC connection.

Method Detail

createCollection

public void createCollection(java.lang.String collectionName)
                      throws HiveException

Create the collection.

Parameters:

collectionName - The name of the collection.

Throws:

HiveException - The error comes from the hive node.

deleteCollection

public void deleteCollection(java.lang.String collectionName)
                      throws HiveException

Delete the collection by name.

Parameters:

collectionName - The name of the collection.

Throws:

HiveException - The error comes from the hive node.

insertOne

public InsertResult insertOne(java.lang.String collectionName,
                              com.fasterxml.jackson.databind.JsonNode document,
                              InsertOptions options)
                       throws HiveException

Insert one document.

Parameters:

collectionName - The name of the collection.

document - The document.

options - Insert options.

Returns:

The details of the insert operation.

Throws:

HiveException - The error comes from the hive node.

insertMany

public InsertResult insertMany(java.lang.String collectionName,
                               java.util.List<com.fasterxml.jackson.databind.JsonNode> documents,
                               InsertOptions options)
                        throws HiveException

Insert many documents.

Parameters:

collectionName - The name of the collection.

documents - The document.

options - Insert options.

Returns:

The details of the insert operation.

Throws:

HiveException - The error comes from the hive node.

updateOne

public UpdateResult updateOne(java.lang.String collectionName,
                              com.fasterxml.jackson.databind.JsonNode filter,
                              com.fasterxml.jackson.databind.JsonNode update,
                              UpdateOptions options)
                       throws HiveException

Update the first matched document by the filter.

Parameters:

collectionName - The name of the collection.

filter - The filter to filter the matched document.

update - The update data.

options - The update options.

Returns:

The details of the update operation.

Throws:

HiveException - The error comes from the hive node.

updateMany

public UpdateResult updateMany(java.lang.String collectionName,
                               com.fasterxml.jackson.databind.JsonNode filter,
                               com.fasterxml.jackson.databind.JsonNode update,
                               UpdateOptions options)
                        throws HiveException

Update all matched documents by the filter.

Parameters:

collectionName - The name of the collection.

filter - The filter to filter the matched document.

update - The update data.

options - The update options.

Returns:

The details of the update operation.

Throws:

HiveException - The error comes from the hive node.

deleteOne

public int deleteOne(java.lang.String collectionName,
                     com.fasterxml.jackson.databind.JsonNode filter,
                     DeleteOptions options)
              throws HiveException

Delete the first matched document by the filter.

Parameters:

collectionName - The name of the collection.

filter - The filter to filter the matched document.

options - The delete options.

Returns:

The details of the delete operation.

Throws:

HiveException - The error comes from the hive node.

deleteMany

public int deleteMany(java.lang.String collectionName,
                      com.fasterxml.jackson.databind.JsonNode filter,
                      DeleteOptions options)
               throws HiveException

Delete all matched document by the filter.

Parameters:

collectionName - The name of the collection.

filter - The filter to filter the matched documents.

options - The delete options.

Returns:

The details of the delete operation.

Throws:

HiveException - The error comes from the hive node.

countDocuments

public long countDocuments(java.lang.String collectionName,
                           com.fasterxml.jackson.databind.JsonNode filter,
                           CountOptions options)
                    throws HiveException

Count the documents by filter.

Parameters:

collectionName - The name of the collection.

filter - The filter to match the documents.

options - Count options.

Returns:

The number of the matched documents.

Throws:

HiveException - The error comes from the hive node.

findOne

public com.fasterxml.jackson.databind.JsonNode findOne(java.lang.String collectionName,
                                                       com.fasterxml.jackson.databind.JsonNode filter,
                                                       FindOptions options)
                                                throws HiveException

Find the first matched document by filter.

Parameters:

collectionName - The name of the collection.

filter - The filter to match the document.

options - The find options.

Returns:

The first matched document for the find operation.

Throws:

HiveException - The error comes from the hive node.

find

public java.util.List<com.fasterxml.jackson.databind.JsonNode> find(java.lang.String collectionName,
                                                                    com.fasterxml.jackson.databind.JsonNode filter,
                                                                    FindOptions options)
                                                             throws HiveException

Find all matched document by filter.

Parameters:

collectionName - The name of the collection.

filter - The filter to match the documents.

options - The find options.

Returns:

All matched documents for the find operation.

Throws:

HiveException - The error comes from the hive node.

query

public java.util.List<com.fasterxml.jackson.databind.JsonNode> query(java.lang.String collectionName,
                                                                     com.fasterxml.jackson.databind.JsonNode filter,
                                                                     QueryOptions options)
                                                              throws HiveException

Query the documents by filter and options.

Parameters:

collectionName - The name of the collection.

filter - The filter to match the documents.

options - The query options.

Returns:

All matched documents for the query operation.

Throws:

HiveException - The error comes from the hive node.