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Original file line number Diff line number Diff line change
Expand Up @@ -10,15 +10,13 @@
package org.opensearch.test.framework.matcher;

import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ExecutionException;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;

import com.carrotsearch.hppc.cursors.ObjectObjectCursor;
import org.hamcrest.Description;
import org.hamcrest.TypeSafeDiagnosingMatcher;

Expand All @@ -44,11 +42,7 @@ protected boolean matchesSafely(Client client, Description mismatchDescription)
try {
GetAliasesResponse response = client.admin().indices().getAliases(new GetAliasesRequest(aliasName)).get();

final Map<String, List<AliasMetadata>> aliases = new HashMap<>();
for (ObjectObjectCursor<String, List<AliasMetadata>> cursor : response.getAliases()) {
aliases.put(cursor.key, cursor.value);
}

Map<String, List<AliasMetadata>> aliases = response.getAliases();
Set<String> actualAliasNames = StreamSupport.stream(spliteratorUnknownSize(aliases.values().iterator(), IMMUTABLE), false)
.flatMap(Collection::stream)
.map(AliasMetadata::getAlias)
Expand All @@ -61,7 +55,7 @@ protected boolean matchesSafely(Client client, Description mismatchDescription)
return true;
} catch (InterruptedException | ExecutionException e) {
mismatchDescription.appendText("Error occurred during checking if cluster contains alias ")
.appendValue(e);
.appendValue(e);
return false;
}
}
Expand Down