Package org.dspace.statistics.content

Class StatisticsDataWorkflow

java.lang.Object

org.dspace.statistics.content.StatisticsData

org.dspace.statistics.content.StatisticsDataWorkflow

public class StatisticsDataWorkflow
extends StatisticsData

A workflow data implementation that will query the statistics backend for workflow information.

Author:

Kevin Van de Velde (kevin at atmire dot com), Ben Bosman (ben at atmire dot com), Mark Diggory (markd at atmire dot com)

Field Summary

Fields inherited from class org.dspace.statistics.content.StatisticsData

solrLoggerService

Constructor Summary

Constructors

Constructor	Description
StatisticsDataWorkflow(DSpaceObject dso, int averageMonths)

Method Summary

Modifier and Type	Method	Description
Dataset	createDataset(Context context, int facetMinCount)	Run the accumulated query and return its results.
protected Date	getOldestWorkflowItemDate(int facetMinCount)
protected String	getQuery()	Returns the query to be used in solr in case of a dso a scopeDso query will be returned otherwise the default *:* query will be used
protected Map<String,Long>	getTotalFacetCounts(DatasetTypeGenerator typeGenerator, int facetMinCount)	Retrieve the total counts for the facets (total count is same query but none of the filter queries).

Methods inherited from class org.dspace.statistics.content.StatisticsData

addDatasetGenerator, addFilters, getDataset, getDatasetGenerators, getFilters, setDataset

Methods inherited from class java.lang.Object

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

Constructor Detail

StatisticsDataWorkflow

public StatisticsDataWorkflow(DSpaceObject dso,
                              int averageMonths)

Method Detail

createDataset

public Dataset createDataset(Context context,
                             int facetMinCount)
                      throws SQLException,
                             org.apache.solr.client.solrj.SolrServerException,
                             IOException,
                             ParseException

Description copied from class: StatisticsData

Run the accumulated query and return its results.

Specified by:

createDataset in class StatisticsData

Parameters:

context - The relevant DSpace Context.

facetMinCount - Minimum count of results facet must have to return a result

Returns:

accumulated query results

Throws:

SQLException - An exception that provides information on a database access error or other errors.

org.apache.solr.client.solrj.SolrServerException - Exception from the Solr server to the solrj Java client.

IOException - A general class of exceptions produced by failed or interrupted I/O operations.

ParseException - if the dataset cannot be parsed

getQuery

protected String getQuery()

Returns the query to be used in solr in case of a dso a scopeDso query will be returned otherwise the default *:* query will be used

Returns:

the query as a string

getTotalFacetCounts

protected Map<String,Long> getTotalFacetCounts(DatasetTypeGenerator typeGenerator,
                                                     int facetMinCount)
                                              throws org.apache.solr.client.solrj.SolrServerException,
                                                     IOException

Retrieve the total counts for the facets (total count is same query but none of the filter queries).

Parameters:

typeGenerator - the type generator

facetMinCount - return only facets having at least this many hits.

Returns:

counts for each facet by name.

Throws:

org.apache.solr.client.solrj.SolrServerException - passed through.

IOException - passed through.

getOldestWorkflowItemDate

protected Date getOldestWorkflowItemDate(int facetMinCount)
                                  throws org.apache.solr.client.solrj.SolrServerException,
                                         IOException

Throws:

org.apache.solr.client.solrj.SolrServerException

IOException