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Posted to commits@ozone.apache.org by sa...@apache.org on 2020/07/10 12:48:31 UTC

[hadoop-ozone] 06/08: HDDS-3747. Redundancy if condition code in ListPipelinesSubcommand (#1051)

This is an automated email from the ASF dual-hosted git repository.

sammichen pushed a commit to branch ozone-0.6.0
in repository https://gitbox.apache.org/repos/asf/hadoop-ozone.git

commit 9709b26ea96cfd0eecbf4419f18e58d72e0edc06
Author: hemanthboyina <he...@gmail.com>
AuthorDate: Thu Jul 9 21:45:01 2020 +0530

    HDDS-3747. Redundancy if condition code in ListPipelinesSubcommand (#1051)
    
    (cherry picked from commit d85c7e334c568a9df571b7b779d119a0a1566751)
---
 .../scm/cli/pipeline/ListPipelinesSubcommand.java   | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/hadoop-hdds/tools/src/main/java/org/apache/hadoop/hdds/scm/cli/pipeline/ListPipelinesSubcommand.java b/hadoop-hdds/tools/src/main/java/org/apache/hadoop/hdds/scm/cli/pipeline/ListPipelinesSubcommand.java
index f8ac1d4..729daea 100644
--- a/hadoop-hdds/tools/src/main/java/org/apache/hadoop/hdds/scm/cli/pipeline/ListPipelinesSubcommand.java
+++ b/hadoop-hdds/tools/src/main/java/org/apache/hadoop/hdds/scm/cli/pipeline/ListPipelinesSubcommand.java
@@ -21,9 +21,11 @@ package org.apache.hadoop.hdds.scm.cli.pipeline;
 import com.google.common.base.Strings;
 import org.apache.hadoop.hdds.cli.HddsVersionProvider;
 import org.apache.hadoop.hdds.scm.client.ScmClient;
+import org.apache.hadoop.hdds.scm.pipeline.Pipeline;
 import picocli.CommandLine;
 
 import java.util.concurrent.Callable;
+import java.util.stream.Stream;
 
 /**
  * Handler of list pipelines command.
@@ -54,17 +56,16 @@ public class ListPipelinesSubcommand implements Callable<Void> {
   @Override
   public Void call() throws Exception {
     try (ScmClient scmClient = parent.getParent().createScmClient()) {
-      if (Strings.isNullOrEmpty(factor) && Strings.isNullOrEmpty(state)) {
-        scmClient.listPipelines().forEach(System.out::println);
-      } else {
-        scmClient.listPipelines().stream()
-            .filter(p -> ((Strings.isNullOrEmpty(factor) ||
-                (p.getFactor().toString().compareToIgnoreCase(factor) == 0))
-                && (Strings.isNullOrEmpty(state) ||
-                (p.getPipelineState().toString().compareToIgnoreCase(state)
-                    == 0))))
-            .forEach(System.out::println);
+      Stream<Pipeline> stream = scmClient.listPipelines().stream();
+      if (!Strings.isNullOrEmpty(factor)) {
+        stream = stream.filter(
+            p -> p.getFactor().toString().compareToIgnoreCase(factor) == 0);
       }
+      if (!Strings.isNullOrEmpty(state)) {
+        stream = stream.filter(p -> p.getPipelineState().toString()
+            .compareToIgnoreCase(state) == 0);
+      }
+      stream.forEach(System.out::println);
       return null;
     }
   }


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