org.gcube.socialnetworking.social_data_search_client

Class ElasticSearchClientImpl

java.lang.Object

org.gcube.socialnetworking.social_data_search_client.ElasticSearchClientImpl

All Implemented Interfaces:

ElasticSearchClientInterface

public class ElasticSearchClientImpl
extends Object
implements ElasticSearchClientInterface

The elasticsearch client for gcube portlets.

Author:

Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)

Field Summary

Fields

Modifier and Type	Field and Description
static org.slf4j.Logger	_log

Constructor Summary

Constructors

Constructor and Description
ElasticSearchClientImpl(String scope) Build an elasticsearch client to be queried.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	deleteDocument(String docID) Delete from the index a document with id docID.
List<org.gcube.portal.databook.shared.EnhancedFeed>	searchInEnhancedFeeds(String query, Set<String> vreIDS, int from, int quantity) Given a query, the method find matching enhanced feeds into the elasticsearch index and return at most quantity hits starting from from.

Methods inherited from class java.lang.Object

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

Field Detail

_log

public static final org.slf4j.Logger _log

Constructor Detail

ElasticSearchClientImpl

public ElasticSearchClientImpl(String scope)
                        throws Exception

Build an elasticsearch client to be queried.

Parameters:

scope - the scope in the infrastructure

Throws:

Exception

Method Detail

searchInEnhancedFeeds

public List<org.gcube.portal.databook.shared.EnhancedFeed> searchInEnhancedFeeds(String query,
                                                                        Set<String> vreIDS,
                                                                        int from,
                                                                        int quantity)

Description copied from interface: ElasticSearchClientInterface

Given a query, the method find matching enhanced feeds into the elasticsearch index and return at most quantity hits starting from from.

Specified by:

searchInEnhancedFeeds in interface ElasticSearchClientInterface

Parameters:

query - the query to match

vreIDS - specifies the vre(s) to which the returning feeds must belong

from - start hits index

quantity - max number of hits to return starting from from

Returns:

A list of matching enhanced feeds or nothing

deleteDocument

public boolean deleteDocument(String docID)

Description copied from interface: ElasticSearchClientInterface

Delete from the index a document with id docID.

Specified by:

deleteDocument in interface ElasticSearchClientInterface

Parameters:

docID - the id of the doc to delete

Returns:

true on success, false otherwise