Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FixingsColumnFactory.java @ 2620:cc0fa1798a3c
FixingsKMChartService: Generate chart and deliver the image as the response of the service.
flys-artifacts/trunk@4205 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Thu, 05 Apr 2012 18:07:47 +0000 |
| parents | 6ed24efc80de |
| children | 8bc1e1cb7f7b |
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--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FixingsColumnFactory.java Thu Apr 05 15:29:52 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FixingsColumnFactory.java Thu Apr 05 18:07:47 2012 +0000 @@ -53,8 +53,9 @@ return (FixingsColumn)element.getValue(); } - result = getUncached(column); - cache.put(new Element(cacheKey, result)); + if ((result = getUncached(column)) != null) { + cache.put(new Element(cacheKey, result)); + } } else { result = getUncached(column); @@ -74,6 +75,10 @@ List<Object []> results = sqlQuery.list(); + if (results.isEmpty()) { + return null; + } + double [] kms = new double[results.size()]; double [] ws = new double[kms.length]; @@ -92,6 +97,10 @@ results = sqlQuery.list(); + if (results.isEmpty()) { + return null; + } + QRangeTree qs = new QRangeTree( results, QRangeTree.WITHOUT_COLUMN, 0, results.size());