diff options
author | gjoranv <gv@verizonmedia.com> | 2020-07-15 16:18:06 +0200 |
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committer | gjoranv <gv@verizonmedia.com> | 2020-07-15 17:02:31 +0200 |
commit | d6240973ff085f3f954d62989d2cabf3f61537fe (patch) | |
tree | 366a82b13e6fc96798652943772f3b093f08c73d /vespajlib | |
parent | ec07ab582af461c92fbc5abd127d1e7cc15e37d5 (diff) |
Remove unused PredicateSplit class
Diffstat (limited to 'vespajlib')
-rw-r--r-- | vespajlib/src/main/java/com/yahoo/collections/PredicateSplit.java | 40 | ||||
-rw-r--r-- | vespajlib/src/test/java/com/yahoo/collections/PredicateSplitTestCase.java | 30 |
2 files changed, 0 insertions, 70 deletions
diff --git a/vespajlib/src/main/java/com/yahoo/collections/PredicateSplit.java b/vespajlib/src/main/java/com/yahoo/collections/PredicateSplit.java deleted file mode 100644 index 1b3941df7bf..00000000000 --- a/vespajlib/src/main/java/com/yahoo/collections/PredicateSplit.java +++ /dev/null @@ -1,40 +0,0 @@ -// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. -package com.yahoo.collections; - -import java.util.List; -import java.util.ArrayList; -import java.util.function.Predicate; - -/** - * Class holding the result of a partition-by-predicate operation. - **/ -public class PredicateSplit<E> { - public final List<E> falseValues; /// list of values where the predicate returned false - public final List<E> trueValues; /// list of values where the predicate returned true - - private PredicateSplit() { - falseValues = new ArrayList<E>(); - trueValues = new ArrayList<E>(); - } - - /** - * Perform a partition-by-predicate operation. - * Each value in the input is tested by the predicate and - * added to either the falseValues list or the trueValues list. - * @param collection The input collection. - * @param predicate A test for selecting the target list. - * @return Two lists bundled in an object. - **/ - public static <V> PredicateSplit<V> partition(Iterable<V> collection, Predicate<? super V> predicate) - { - PredicateSplit<V> r = new PredicateSplit<V>(); - for (V value : collection) { - if (predicate.test(value)) { - r.trueValues.add(value); - } else { - r.falseValues.add(value); - } - } - return r; - } -} diff --git a/vespajlib/src/test/java/com/yahoo/collections/PredicateSplitTestCase.java b/vespajlib/src/test/java/com/yahoo/collections/PredicateSplitTestCase.java deleted file mode 100644 index 05a719d6a4d..00000000000 --- a/vespajlib/src/test/java/com/yahoo/collections/PredicateSplitTestCase.java +++ /dev/null @@ -1,30 +0,0 @@ -// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. -package com.yahoo.collections; - -import org.junit.Test; - -import java.util.List; -import java.util.ArrayList; - -import static org.junit.Assert.assertEquals; - -public class PredicateSplitTestCase { - @Test - public void requireThatSplitWorks() { - List<Integer> l = new ArrayList<Integer>(); - l.add(1); - l.add(6); - l.add(2); - l.add(4); - l.add(5); - PredicateSplit<Integer> result = PredicateSplit.partition(l, x -> (x % 2 == 0)); - assertEquals((long) result.falseValues.size(), 2L); - assertEquals((long) result.falseValues.get(0), 1L); - assertEquals((long) result.falseValues.get(1), 5L); - - assertEquals((long) result.trueValues.size(), 3L); - assertEquals((long) result.trueValues.get(0), 6L); - assertEquals((long) result.trueValues.get(1), 2L); - assertEquals((long) result.trueValues.get(2), 4L); - } -} |