org.gcube.socialnetworking.social_data_search_client

Class ElasticSearchClientImpl

java.lang.Object

org.gcube.socialnetworking.social_data_search_client.ElasticSearchClientImpl

All Implemented Interfaces:

ElasticSearchClient

public class ElasticSearchClientImpl
extends Object
implements ElasticSearchClient

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	logger

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
boolean	deleteDocument(String docID) Delete from the index a document with id docID.
protected void	finalize()
List<org.gcube.portal.databook.shared.EnhancedFeed>	search(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.
List<org.gcube.portal.databook.shared.EnhancedFeed>	searchInField(String query, Set<String> vreIDS, int from, int quantity, org.gcube.socialnetworking.social_data_indexing_common.utils.SearchableFields field) 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, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

logger

public static final org.slf4j.Logger logger

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

search

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

Description copied from interface: ElasticSearchClient

Given a query, the method find matching enhanced feeds into the elasticsearch index and return at most quantity hits starting from from. A multimatch query is performed against all searchable fields.

Specified by:

search in interface ElasticSearchClient

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

searchInField

public List<org.gcube.portal.databook.shared.EnhancedFeed> searchInField(String query,
                                                                         Set<String> vreIDS,
                                                                         int from,
                                                                         int quantity,
                                                                         org.gcube.socialnetworking.social_data_indexing_common.utils.SearchableFields field)

Description copied from interface: ElasticSearchClient

Given a query, the method find matching enhanced feeds into the elasticsearch index and return at most quantity hits starting from from. The query is performed against one of the searchable fields.

Specified by:

searchInField in interface ElasticSearchClient

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

field - the field against which the query is performed

Returns:

A list of matching enhanced feeds or nothing

deleteDocument

public boolean deleteDocument(String docID)

Description copied from interface: ElasticSearchClient

Delete from the index a document with id docID.

Specified by:

deleteDocument in interface ElasticSearchClient

Parameters:

docID - the id of the doc to delete

Returns:

true on success, false otherwise

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable