diff options
Diffstat (limited to 'common-app-api/src/main/java/org/openecomp/sdc/common/util/PairUtils.java')
-rw-r--r-- | common-app-api/src/main/java/org/openecomp/sdc/common/util/PairUtils.java | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/common-app-api/src/main/java/org/openecomp/sdc/common/util/PairUtils.java b/common-app-api/src/main/java/org/openecomp/sdc/common/util/PairUtils.java new file mode 100644 index 0000000000..3dd313b824 --- /dev/null +++ b/common-app-api/src/main/java/org/openecomp/sdc/common/util/PairUtils.java @@ -0,0 +1,19 @@ +package org.openecomp.sdc.common.util; + +import org.apache.commons.lang3.tuple.ImmutablePair; +import org.apache.commons.lang3.tuple.Pair; + +import java.util.List; +import java.util.stream.Collectors; + +public class PairUtils { + + public static <L, R> List<L> leftSequence(List<ImmutablePair<L, R>> pairs) { + return pairs.stream().map(Pair::getLeft).collect(Collectors.toList()); + } + + public static <L, R> List<R> rightSequence(List<Pair<L, R>> pairs) { + return pairs.stream().map(Pair::getRight).collect(Collectors.toList()); + } + +} |