org.gcube.accounting.analytics.persistence.couchdb

Class AccountingPersistenceQueryCouchDB

java.lang.Object

org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQuery

org.gcube.accounting.analytics.persistence.couchdb.AccountingPersistenceQueryCouchDB

public class AccountingPersistenceQueryCouchDB
extends org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQuery

Author:

Luca Frosini (ISTI - CNR) http://www.lucafrosini.com/

Field Summary

Fields

Modifier and Type	Field and Description
protected org.ektorp.CouchDbConnector	couchDbConnector
protected org.ektorp.CouchDbInstance	couchDbInstance
protected static String	DB_NAME
protected static String	KEYS_SEPARATOR Used in the name of map reduce to seperate keys used as filter
protected static String	MAP_REDUCE__DESIGN
protected static String	MAP_REDUCE_ALL
protected static String	VALUES
protected static String	VIEWS_KEY

Constructor Summary

Constructors

Constructor and Description
AccountingPersistenceQueryCouchDB()

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
protected Calendar	getCalendarFromArray(org.json.JSONArray array)
protected String	getDesignDocId(Class<? extends org.gcube.accounting.datamodel.AggregatedUsageRecord> usageRecordType)
Set<String>	getKeys(Class<? extends org.gcube.accounting.datamodel.AggregatedUsageRecord> usageRecordType)
protected org.json.JSONObject	getObjectByID(String id)
Set<String>	getPossibleValuesForKey(Class<? extends org.gcube.accounting.datamodel.AggregatedUsageRecord> usageRecordType, String key)
protected org.codehaus.jackson.node.ArrayNode	getRangeKey(org.codehaus.jackson.node.ArrayNode arrayNode, long time, org.gcube.accounting.analytics.TemporalConstraint.AggregationMode aggregationMode, boolean wildCard)
protected org.ektorp.http.HttpClient	initHttpClient(URL url, String username, String password)
protected void	prepareConnection(org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQueryConfiguration configuration)
protected org.ektorp.ViewResult	query(org.ektorp.ViewQuery query)
protected Map<Calendar,org.gcube.accounting.analytics.Info>	reallyQuery(Class<? extends org.gcube.accounting.datamodel.AggregatedUsageRecord> usageRecordType, org.gcube.accounting.analytics.TemporalConstraint temporalConstraint, List<org.gcube.accounting.analytics.Filter> filters)

Methods inherited from class org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQuery

query

Methods inherited from class java.lang.Object

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

Field Detail

couchDbInstance

protected org.ektorp.CouchDbInstance couchDbInstance

couchDbConnector

protected org.ektorp.CouchDbConnector couchDbConnector

DB_NAME

protected static final String DB_NAME

See Also:

Constant Field Values

MAP_REDUCE__DESIGN

protected static final String MAP_REDUCE__DESIGN

See Also:

Constant Field Values

MAP_REDUCE_ALL

protected static final String MAP_REDUCE_ALL

See Also:

Constant Field Values

KEYS_SEPARATOR

protected static final String KEYS_SEPARATOR

Used in the name of map reduce to seperate keys used as filter

See Also:

Constant Field Values

VIEWS_KEY

protected static final String VIEWS_KEY

See Also:

Constant Field Values

VALUES

protected static final String VALUES

See Also:

Constant Field Values

Constructor Detail

AccountingPersistenceQueryCouchDB

public AccountingPersistenceQueryCouchDB()

Method Detail

initHttpClient

protected org.ektorp.http.HttpClient initHttpClient(URL url,
                                        String username,
                                        String password)

query

protected org.ektorp.ViewResult query(org.ektorp.ViewQuery query)

getObjectByID

protected org.json.JSONObject getObjectByID(String id)
                                     throws Exception

Throws:

Exception

close

public void close()
           throws Exception

Specified by:

close in class org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQuery

Throws:

Exception

prepareConnection

protected void prepareConnection(org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQueryConfiguration configuration)
                          throws Exception

Specified by:

prepareConnection in class org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQuery

Throws:

Exception

getCalendarFromArray

protected Calendar getCalendarFromArray(org.json.JSONArray array)
                                 throws org.json.JSONException

Throws:

org.json.JSONException

getRangeKey

protected org.codehaus.jackson.node.ArrayNode getRangeKey(org.codehaus.jackson.node.ArrayNode arrayNode,
                                              long time,
                                              org.gcube.accounting.analytics.TemporalConstraint.AggregationMode aggregationMode,
                                              boolean wildCard)
                                                   throws org.json.JSONException

Throws:

org.json.JSONException

getDesignDocId

protected String getDesignDocId(Class<? extends org.gcube.accounting.datamodel.AggregatedUsageRecord> usageRecordType)
                         throws InstantiationException,
                                IllegalAccessException

Throws:

InstantiationException

IllegalAccessException

reallyQuery

protected Map<Calendar,org.gcube.accounting.analytics.Info> reallyQuery(Class<? extends org.gcube.accounting.datamodel.AggregatedUsageRecord> usageRecordType,
                                                            org.gcube.accounting.analytics.TemporalConstraint temporalConstraint,
                                                            List<org.gcube.accounting.analytics.Filter> filters)
                                                                 throws Exception

Specified by:

reallyQuery in class org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQuery

Throws:

Exception

getKeys

public Set<String> getKeys(Class<? extends org.gcube.accounting.datamodel.AggregatedUsageRecord> usageRecordType)
                    throws Exception

Specified by:

getKeys in class org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQuery

Throws:

Exception

getPossibleValuesForKey

public Set<String> getPossibleValuesForKey(Class<? extends org.gcube.accounting.datamodel.AggregatedUsageRecord> usageRecordType,
                                  String key)
                                    throws Exception

Specified by:

getPossibleValuesForKey in class org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQuery

Throws:

Exception