From 61a9d65d84fbd3e623fe1beb9adad27d043add23 Mon Sep 17 00:00:00 2001
From: felmer <felmer>
Date: Thu, 21 Jan 2010 08:14:45 +0000
Subject: [PATCH] add sum()
SVN: 14366
---
.../server/calculator/StandardFunctions.java | 20 +++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/server/calculator/StandardFunctions.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/server/calculator/StandardFunctions.java
index cae63192d45..22d3b2e1934 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/server/calculator/StandardFunctions.java
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/server/calculator/StandardFunctions.java
@@ -116,6 +116,26 @@ final class StandardFunctions
return condition != null && condition.booleanValue() ? thenValue : elseValue;
}
+ /**
+ * Calculates the sum of the specified values.
+ * Blank strings or <code>null</code> values in the list are ignored.
+ *
+ * @throws NumberFormatException if an element can not be parsed as a floating-point number.
+ * @throws IllegalArgumentException if the list is empty.
+ */
+ public static Double sum(List<Object> values)
+ {
+ List<Double> array = toDoubleArray(values);
+ String functionName = "sum";
+ assertNotEmpty(array, functionName);
+ double sum = 0.0;
+ for (double value : array)
+ {
+ sum += value;
+ }
+ return sum;
+ }
+
/**
* Calculates the mean of the specified values.
* Blank strings or <code>null</code> values in the list are ignored.
--
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