eu.europeana.corelib.lookup.impl

Class CollectionMongoServerImpl

java.lang.Object

eu.europeana.corelib.lookup.impl.CollectionMongoServerImpl

All Implemented Interfaces:

MongoServer, CollectionMongoServer

public class CollectionMongoServerImpl
extends Object
implements MongoServer, CollectionMongoServer

Class for creating and accessing the Collection Lookup table

Author:

yorgos.mamakis@ kb.nl, Patrick Ehlert

Constructor Summary

Constructors

Constructor and Description
CollectionMongoServerImpl(org.mongodb.morphia.Datastore datastore) Setup a new datastore to do get/delete/save operations on the database
CollectionMongoServerImpl(com.mongodb.MongoClient mongoClient, String databaseName) Constructor for the CollectionMongoServer to ensure that everything has been set upon initialization Any required login credentials should be present in the provided mongoClient
CollectionMongoServerImpl(String host, int port, String databaseName, String username, String password) Create a new datastore to do get/delete/save operations on the database

Method Summary

Modifier and Type	Method and Description
void	close() Close the connection to the Mongo server
String	findNewCollectionId(String oldCollectionId) Retrieve the new CollectionId based on the old CollectionID.
String	findOldCollectionId(String newCollectionId) Retrieve the old CollectionId based on the new CollectionID.
org.mongodb.morphia.Datastore	getDatastore() Return the datastore.
List<Collection>	retrieveAllCollections() Retrieve all stored collections
void	saveCollection(Collection collection) Save a Collection
void	setDatastore(org.mongodb.morphia.Datastore datastore)

Methods inherited from class java.lang.Object

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

Methods inherited from interface eu.europeana.corelib.storage.MongoServer

toString

Constructor Detail

CollectionMongoServerImpl

public CollectionMongoServerImpl(com.mongodb.MongoClient mongoClient,
                                 String databaseName)

Constructor for the CollectionMongoServer to ensure that everything has been set upon initialization Any required login credentials should be present in the provided mongoClient

Parameters:

mongoClient - the Mongo Server to connect to

databaseName - the database to connect to

CollectionMongoServerImpl

public CollectionMongoServerImpl(org.mongodb.morphia.Datastore datastore)

Setup a new datastore to do get/delete/save operations on the database

Parameters:

datastore -

CollectionMongoServerImpl

public CollectionMongoServerImpl(String host,
                                 int port,
                                 String databaseName,
                                 String username,
                                 String password)

Create a new datastore to do get/delete/save operations on the database

Parameters:

host -

port -

databaseName -

username -

password -

Method Detail

getDatastore

public org.mongodb.morphia.Datastore getDatastore()

Return the datastore. Useful for exposing surplus functionality

Specified by:

getDatastore in interface MongoServer

close

public void close()

Close the connection to the Mongo server

Specified by:

close in interface MongoServer

findNewCollectionId

public String findNewCollectionId(String oldCollectionId)

Description copied from interface: CollectionMongoServer

Retrieve the new CollectionId based on the old CollectionID. This is a fast method as the old CollectionID is indexed in the Mongo Schema

Specified by:

findNewCollectionId in interface CollectionMongoServer

Parameters:

oldCollectionId - The old Collection ID

Returns:

findOldCollectionId

public String findOldCollectionId(String newCollectionId)

Description copied from interface: CollectionMongoServer

Retrieve the old CollectionId based on the new CollectionID. This is a slow method as the new CollectionId is NOT indexed in the Mongo Schema

Specified by:

findOldCollectionId in interface CollectionMongoServer

Returns:

saveCollection

public void saveCollection(Collection collection)

Description copied from interface: CollectionMongoServer

Save a Collection

Specified by:

saveCollection in interface CollectionMongoServer

Parameters:

collection - The collection to save

retrieveAllCollections

public List<Collection> retrieveAllCollections()

Description copied from interface: CollectionMongoServer

Retrieve all stored collections

Specified by:

retrieveAllCollections in interface CollectionMongoServer

Returns:

setDatastore

public void setDatastore(org.mongodb.morphia.Datastore datastore)

Specified by:

setDatastore in interface CollectionMongoServer