From 99f2205b63c4f23ce211e7cff757ffe3d8602d26 Mon Sep 17 00:00:00 2001
From: Luca Frosini <luca.frosini@isti.cnr.it>
Date: Thu, 12 Oct 2017 13:49:25 +0000
Subject: [PATCH] Allow to specify a limit when querying values for suggestion.
 refs #9943

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/accounting/accounting-analytics@155176 82a268e6-3cf1-43bd-a215-b396298e98cf
---
 .../AccountingPersistenceBackendQuery.java     | 18 ++++++++++++++++++
 .../AccountingPersistenceQuery.java            | 13 ++++++++++---
 2 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/src/main/java/org/gcube/accounting/analytics/persistence/AccountingPersistenceBackendQuery.java b/src/main/java/org/gcube/accounting/analytics/persistence/AccountingPersistenceBackendQuery.java
index 1df7aad..7cebca8 100644
--- a/src/main/java/org/gcube/accounting/analytics/persistence/AccountingPersistenceBackendQuery.java
+++ b/src/main/java/org/gcube/accounting/analytics/persistence/AccountingPersistenceBackendQuery.java
@@ -167,6 +167,8 @@ public interface AccountingPersistenceBackendQuery {
 	 */
 	public void close() throws Exception;
 
+	
+	
 	/**
 	 * Return a sortedSet filter value
 	 * 
@@ -187,6 +189,22 @@ public interface AccountingPersistenceBackendQuery {
 					TemporalConstraint temporalConstraint, List<Filter> filters,
 					String key) throws Exception;
 
+	/**
+	 * Return a sortedSet filter value
+	 * 
+	 * @param clz
+	 * @param temporalConstraint
+	 * @param filters
+	 * @param key
+	 * @param limit
+	 * @return
+	 * @throws Exception
+	 */
+	public SortedSet<NumberedFilter> getFilterValues(
+			Class<? extends AggregatedRecord<?, ?>> clz,
+					TemporalConstraint temporalConstraint, List<Filter> filters,
+					String key, int limit) throws Exception;
+	
 	/**
 	 * Return a JsonObject with value
 	 * e.g.for StorageUsageRecord {"dataVolume":1860328,"operationCount":4115}
diff --git a/src/main/java/org/gcube/accounting/analytics/persistence/AccountingPersistenceQuery.java b/src/main/java/org/gcube/accounting/analytics/persistence/AccountingPersistenceQuery.java
index 5d857c3..43ffad2 100644
--- a/src/main/java/org/gcube/accounting/analytics/persistence/AccountingPersistenceQuery.java
+++ b/src/main/java/org/gcube/accounting/analytics/persistence/AccountingPersistenceQuery.java
@@ -277,11 +277,18 @@ public class AccountingPersistenceQuery implements AccountingPersistenceBackendQ
 	@Override
 	public SortedSet<NumberedFilter> getFilterValues(Class<? extends AggregatedRecord<?, ?>> clz,
 			TemporalConstraint temporalConstraint, List<Filter> filters, String key) throws Exception {
-
-		return AccountingPersistenceBackendQueryFactory.getInstance().getFilterValues(clz, temporalConstraint, filters,
-				key);
+		return getFilterValues(clz, temporalConstraint, filters, key, 100);
 	}
 
+	@Override
+	public SortedSet<NumberedFilter> getFilterValues(Class<? extends AggregatedRecord<?, ?>> clz,
+			TemporalConstraint temporalConstraint, List<Filter> filters, String key, int limit) throws Exception {
+
+		return AccountingPersistenceBackendQueryFactory.getInstance().getFilterValues(clz, temporalConstraint, filters,
+				key, limit);
+	}
+	
+	
 	@Override
 	public JSONObject getUsageValue(Class<? extends AggregatedRecord<?, ?>> clz, TemporalConstraint temporalConstraint,
 			Filter applicant) throws Exception {