1 files changed, 37 insertions, 0 deletions
diff --git a/java/perftests/visualisation-jfc/src/main/java/org/apache/qpid/disttest/charting/seriesbuilder/DatasetHolder.java b/java/perftests/visualisation-jfc/src/main/java/org/apache/qpid/disttest/charting/seriesbuilder/DatasetHolder.java
new file mode 100644
index 0000000000..14fd50facc
--- /dev/null
+++ b/java/perftests/visualisation-jfc/src/main/java/org/apache/qpid/disttest/charting/seriesbuilder/DatasetHolder.java
@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.qpid.disttest.charting.seriesbuilder;
+
+import org.apache.qpid.disttest.charting.definition.SeriesDefinition;
+import org.jfree.data.general.Dataset;
+
+/**
+ * Accepts data in the form of {@link SeriesDefinition}s and {@link SeriesRow}s,
+ * and returns it as a {@link Dataset} for use by a JFreeChart chart.
+ */
+public interface DatasetHolder
+{
+    int getNumberOfDimensions();
+    void beginSeries(SeriesDefinition seriesDefinition);
+    void addDataPointToSeries(SeriesDefinition seriesDefinition, SeriesRow row);
+    void endSeries(SeriesDefinition seriesDefinition);
+
+    Dataset getPopulatedDataset();
+}