Resolve ImmutableOpenMap issue from core refactor (opensearch-project…

…#2715)

src/integrationTest/java/org/opensearch/test/framework/matcher/AliasExistsMatcher.java

@@ -10,20 +10,22 @@
 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;
 
 import org.opensearch.action.admin.indices.alias.get.GetAliasesRequest;
 import org.opensearch.action.admin.indices.alias.get.GetAliasesResponse;
 import org.opensearch.client.Client;
 import org.opensearch.cluster.metadata.AliasMetadata;
-import org.opensearch.common.collect.ImmutableOpenMap;
 
 import static java.util.Objects.requireNonNull;
 import static java.util.Spliterator.IMMUTABLE;
@@ -41,8 +43,13 @@ public AliasExistsMatcher(String aliasName) {
 	protected boolean matchesSafely(Client client, Description mismatchDescription) {
 		try {
 			GetAliasesResponse response = client.admin().indices().getAliases(new GetAliasesRequest(aliasName)).get();
-			ImmutableOpenMap<String, List<AliasMetadata>> aliases = response.getAliases();
-			Set<String> actualAliasNames = StreamSupport.stream(spliteratorUnknownSize(aliases.valuesIt(), IMMUTABLE), false)
+
+			final Map<String, List<AliasMetadata>> aliases = new HashMap<>();
+			for (ObjectObjectCursor<String, List<AliasMetadata>> cursor : response.getAliases()) {
+				aliases.put(cursor.key, cursor.value);
+			}
+
+			Set<String> actualAliasNames = StreamSupport.stream(spliteratorUnknownSize(aliases.values().iterator(), IMMUTABLE), false)
 					.flatMap(Collection::stream)
 					.map(AliasMetadata::getAlias)
 					.collect(Collectors.toSet());
@@ -53,7 +60,7 @@ protected boolean matchesSafely(Client client, Description mismatchDescription)
 			}
 			return true;
 		} catch (InterruptedException | ExecutionException e) {
-			mismatchDescription.appendText("Error occured during checking if cluster contains alias ")
+			mismatchDescription.appendText("Error occurred during checking if cluster contains alias ")
 				.appendValue(e);
 			return false;
 		}

src/integrationTest/java/org/opensearch/test/framework/matcher/ClusterContainTemplateWithAliasMatcher.java

@@ -9,19 +9,21 @@
 */
 package org.opensearch.test.framework.matcher;
 
+import java.util.HashMap;
+import java.util.Map;
 import java.util.Set;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 import java.util.stream.StreamSupport;
 
+import com.carrotsearch.hppc.cursors.ObjectObjectCursor;
 import org.hamcrest.Description;
 import org.hamcrest.TypeSafeDiagnosingMatcher;
 
 import org.opensearch.action.admin.indices.template.get.GetIndexTemplatesRequest;
 import org.opensearch.action.admin.indices.template.get.GetIndexTemplatesResponse;
 import org.opensearch.client.Client;
 import org.opensearch.cluster.metadata.AliasMetadata;
-import org.opensearch.common.collect.ImmutableOpenMap;
 
 import static java.util.Objects.requireNonNull;
 
@@ -55,15 +57,24 @@ protected boolean matchesSafely(Client client, Description mismatchDescription)
 	private Set<String> getAliases(GetIndexTemplatesResponse response) {
 		return response.getIndexTemplates()
 				.stream()
-				.map(metadata -> metadata.getAliases())
+				.map(metadata -> {
+							Map<String, AliasMetadata> aliases = new HashMap<>();
+							for (ObjectObjectCursor<String, AliasMetadata> cursor : metadata.getAliases()) {
+								aliases.put(cursor.key, cursor.value);
+							}
+							return aliases;
+						})
 				.flatMap(aliasMap -> aliasNames(aliasMap))
 				.collect(Collectors.toSet());
 	}
 
-	private Stream<String> aliasNames(ImmutableOpenMap<String, AliasMetadata> aliasMap) {
-		return StreamSupport.stream(aliasMap.keys().spliterator(), false).map(objectCursor -> objectCursor.value);
+	private Stream<String> aliasNames(Map<String, AliasMetadata> aliasMap) {
+		Iterable<Map.Entry<String, AliasMetadata>> iterable = () -> aliasMap.entrySet().iterator();
+		return StreamSupport.stream(iterable.spliterator(), false)
+				.map(entry -> entry.getValue().getAlias());
 	}
 
+
 	@Override
 	public void describeTo(Description description) {
 		description.appendText("template ").appendValue(templateName).appendText(" exists and ");

src/integrationTest/java/org/opensearch/test/framework/matcher/GetSettingsResponseContainsIndicesMatcher.java

@@ -9,11 +9,14 @@
 */
 package org.opensearch.test.framework.matcher;
 
+import java.util.HashMap;
+import java.util.Map;
+
+import com.carrotsearch.hppc.cursors.ObjectObjectCursor;
 import org.hamcrest.Description;
 import org.hamcrest.TypeSafeDiagnosingMatcher;
 
 import org.opensearch.action.admin.indices.settings.get.GetSettingsResponse;
-import org.opensearch.common.collect.ImmutableOpenMap;
 import org.opensearch.common.settings.Settings;
 
 import static java.util.Objects.isNull;
@@ -31,12 +34,16 @@ class GetSettingsResponseContainsIndicesMatcher extends TypeSafeDiagnosingMatche
 
 	@Override
 	protected boolean matchesSafely(GetSettingsResponse response, Description mismatchDescription) {
-		ImmutableOpenMap<String, Settings> indexToSettings = response.getIndexToSettings();
+
+		final Map<String, Settings> indexToSettings = new HashMap<>();
+		for (ObjectObjectCursor<String, Settings> cursor : response.getIndexToSettings()) {
+			indexToSettings.put(cursor.key, cursor.value);
+		}
 		for (String index : expectedIndices) {
 			if (!indexToSettings.containsKey(index)) {
 				mismatchDescription
 						.appendText("Response contains settings of indices: ")
-						.appendValue(indexToSettings.keys());
+						.appendValue(indexToSettings.keySet());
 				return false;
 			}
 		}

src/integrationTest/java/org/opensearch/test/framework/matcher/IndexMappingIsEqualToMatcher.java

@@ -17,8 +17,6 @@
 import org.opensearch.action.admin.indices.mapping.get.GetMappingsRequest;
 import org.opensearch.action.admin.indices.mapping.get.GetMappingsResponse;
 import org.opensearch.client.Client;
-import org.opensearch.cluster.metadata.MappingMetadata;
-import org.opensearch.common.collect.ImmutableOpenMap;
 import org.opensearch.index.IndexNotFoundException;
 import org.opensearch.test.framework.cluster.LocalCluster;
 
@@ -44,8 +42,7 @@ protected boolean matchesSafely(LocalCluster cluster, Description mismatchDescri
 			GetMappingsResponse response = client.admin().indices()
 					.getMappings(new GetMappingsRequest().indices(expectedIndexName)).actionGet();
 
-			ImmutableOpenMap<String, MappingMetadata> actualMappings = response.mappings();
-			Map<String, Object> actualIndexMapping = actualMappings.get(expectedIndexName).getSourceAsMap();
+			Map<String, Object> actualIndexMapping = response.getMappings().get(expectedIndexName).sourceAsMap();
 
 			if (!expectedMapping.equals(actualIndexMapping)) {
 				mismatchDescription.appendText("Actual mapping ").appendValue(actualIndexMapping).appendText(" does not match expected");

src/integrationTest/java/org/opensearch/test/framework/matcher/IndexStateIsEqualToMatcher.java

@@ -9,14 +9,15 @@
 */
 package org.opensearch.test.framework.matcher;
 
+import java.util.Map;
+
 import org.hamcrest.Description;
 import org.hamcrest.TypeSafeDiagnosingMatcher;
 
 import org.opensearch.action.admin.cluster.state.ClusterStateRequest;
 import org.opensearch.action.admin.cluster.state.ClusterStateResponse;
 import org.opensearch.client.Client;
 import org.opensearch.cluster.metadata.IndexMetadata;
-import org.opensearch.common.collect.ImmutableOpenMap;
 import org.opensearch.test.framework.cluster.LocalCluster;
 
 import static java.util.Objects.requireNonNull;
@@ -37,7 +38,7 @@ protected boolean matchesSafely(LocalCluster cluster, Description mismatchDescri
 			ClusterStateRequest clusterStateRequest = new ClusterStateRequest().indices(expectedIndexName);
 			ClusterStateResponse clusterStateResponse = client.admin().cluster().state(clusterStateRequest).actionGet();
 
-			ImmutableOpenMap<String, IndexMetadata> indicesMetadata = clusterStateResponse.getState().getMetadata().indices();
+			Map<String, IndexMetadata> indicesMetadata = clusterStateResponse.getState().getMetadata().indices();
 			if (!indicesMetadata.containsKey(expectedIndexName)) {
 				mismatchDescription.appendValue("Index does not exist");
 			}

src/main/java/org/opensearch/security/privileges/PrivilegesEvaluator.java

@@ -29,6 +29,7 @@
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
+import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
@@ -37,6 +38,7 @@
 import java.util.StringJoiner;
 import java.util.regex.Pattern;
 
+import com.carrotsearch.hppc.cursors.ObjectObjectCursor;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Sets;
 import org.apache.logging.log4j.LogManager;
@@ -78,7 +80,6 @@
 import org.opensearch.cluster.metadata.IndexNameExpressionResolver;
 import org.opensearch.cluster.service.ClusterService;
 import org.opensearch.common.Strings;
-import org.opensearch.common.collect.ImmutableOpenMap;
 import org.opensearch.common.settings.Settings;
 import org.opensearch.common.transport.TransportAddress;
 import org.opensearch.common.util.concurrent.ThreadContext;
@@ -378,8 +379,6 @@ public PrivilegesEvaluatorResponse evaluate(final User user, String action0, fin
                     presponse.allowed = true;
                     return presponse;
                 }
-
-
             }
         }
 
@@ -632,6 +631,7 @@ public static boolean isClusterPerm(String action0) {
             ) ;
     }
 
+    @SuppressWarnings("unchecked")
     private boolean checkFilteredAliases(Resolved requestedResolved, String action, boolean isDebugEnabled) {
         final String faMode = dcm.getFilteredAliasMode();// getConfigSettings().dynamic.filtered_alias_mode;
 
@@ -649,7 +649,7 @@ private boolean checkFilteredAliases(Resolved requestedResolved, String action,
             indexMetaDataCollection = new Iterable<IndexMetadata>() {
                 @Override
                 public Iterator<IndexMetadata> iterator() {
-                    return clusterService.state().getMetadata().getIndices().valuesIt();
+                    return clusterService.state().getMetadata().getIndices().values().iterator();
                 }
             };
         } else {
@@ -674,14 +674,17 @@ public Iterator<IndexMetadata> iterator() {
 
             final List<AliasMetadata> filteredAliases = new ArrayList<AliasMetadata>();
 
-            final ImmutableOpenMap<String, AliasMetadata> aliases = indexMetaData.getAliases();
+            final Map<String, AliasMetadata> aliases = new HashMap<>();
+            for (ObjectObjectCursor<String, AliasMetadata> cursor : indexMetaData.getAliases()) {
+                aliases.put(cursor.key, cursor.value);
+            }
 
             if(aliases != null && aliases.size() > 0) {
                 if (isDebugEnabled) {
                     log.debug("Aliases for {}: {}", indexMetaData.getIndex().getName(), aliases);
                 }
 
-                final Iterator<String> it = aliases.keysIt();
+                final Iterator<String> it = aliases.keySet().iterator();
                 while(it.hasNext()) {
                     final String alias = it.next();
                     final AliasMetadata aliasMetadata = aliases.get(alias);