From faff24d3e890e2b02a19bf0ac6c9d151e36338aa Mon Sep 17 00:00:00 2001
From: Alexander Diewald <diewald@fortiss.org>
Date: Fri, 26 Jan 2018 08:37:01 +0000
Subject: [PATCH] Common: LambdaUtils: Add firstOfType util method.
The firstOfType method returns the first element from
a given collection that is assignable from the given
type. This method allows to reduce the LoCs since the
described task is quite common.
refs 3203
---
.../fortiss/tooling/common/util/LambdaUtils.java | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/org.fortiss.tooling.common/trunk/src/org/fortiss/tooling/common/util/LambdaUtils.java b/org.fortiss.tooling.common/trunk/src/org/fortiss/tooling/common/util/LambdaUtils.java
index 8c8006e9a..7c3e3be7d 100644
--- a/org.fortiss.tooling.common/trunk/src/org/fortiss/tooling/common/util/LambdaUtils.java
+++ b/org.fortiss.tooling.common/trunk/src/org/fortiss/tooling/common/util/LambdaUtils.java
@@ -237,6 +237,20 @@ public class LambdaUtils {
return outCol;
}
+ /**
+ * Returns the first element of the given {@code inCol} collection that is assignable from the
+ * given type.
+ *
+ * @param inCol
+ * Collection to be filtered.
+ * @param typeFilter
+ * Type for which the elements shall be filtered.
+ * @return Optional of the first found element of the given type.
+ */
+ public static <S, T> Optional<T> firstOfType(Collection<S> inCol, Class<T> typeFilter) {
+ return getFirst(filterType(inCol, typeFilter));
+ }
+
/**
* Applies the given {@code action} to each element of the given {@code inputCollection}.
*
--
GitLab