Get rid of the InferenceServices class.

Author: afoucret

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/inference/InferenceResolver.java

@@ -15,6 +15,7 @@
 import org.elasticsearch.xpack.core.inference.action.GetInferenceModelAction;
 import org.elasticsearch.xpack.esql.core.expression.Expression;
 import org.elasticsearch.xpack.esql.core.expression.FoldContext;
+import org.elasticsearch.xpack.esql.expression.function.EsqlFunctionRegistry;
 import org.elasticsearch.xpack.esql.plan.logical.LogicalPlan;
 import org.elasticsearch.xpack.esql.plan.logical.inference.InferencePlan;
 
@@ -155,8 +156,8 @@ private Factory(Client client) {
             this.client = client;
         }
 
-        public InferenceResolver create() {
-            return new InferenceResolver(client);
+        public InferenceResolver create(EsqlFunctionRegistry functionRegistry) {
+            return new InferenceResolver(client, functionRegistry);
         }
     }
 }

x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/optimizer/LogicalPlanPreOptimizerTests.java

@@ -26,7 +26,6 @@
 import org.elasticsearch.xpack.esql.expression.function.vector.Knn;
 import org.elasticsearch.xpack.esql.expression.predicate.operator.arithmetic.Add;
 import org.elasticsearch.xpack.esql.inference.InferenceRunner;
-import org.elasticsearch.xpack.esql.inference.InferenceServices;
 import org.elasticsearch.xpack.esql.inference.bulk.BulkInferenceRequestIterator;
 import org.elasticsearch.xpack.esql.plan.logical.EsRelation;
 import org.elasticsearch.xpack.esql.plan.logical.Eval;
@@ -214,9 +213,9 @@ private Expression randomCondition() {
     }
 
     private static TransportActionServices mockTransportActionServices(InferenceRunner inferenceRunner) {
-        InferenceServices inferenceServices = mock(InferenceServices.class);
-        when(inferenceServices.inferenceRunner()).thenReturn(inferenceRunner);
-        return new TransportActionServices(null, null, null, null, null, null, null, inferenceServices);
+        TransportActionServices services = mock(TransportActionServices.class);
+        when(services.inferenceRunner()).thenReturn(inferenceRunner);
+        return services;
     }
 
     private static InferenceRunner mockInferenceRunner(TextEmbeddingModelMock textEmbeddingModel) {

x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/optimizer/PhysicalPlanOptimizerTests.java

@@ -7890,6 +7890,7 @@ private LocalExecutionPlanner.LocalExecutionPlan physicalOperationsFromPhysicalP
             TestBlockFactory.getNonBreakingInstance(),
             Settings.EMPTY,
             config,
+            null,
             new ExchangeSourceHandler(10, null)::createExchangeSource,
             () -> exchangeSinkHandler.createExchangeSink(() -> {}),
             null,

x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/planner/LocalExecutionPlannerTests.java

@@ -318,6 +318,7 @@ private LocalExecutionPlanner planner() throws IOException {
             null,
             null,
             null,
+            null,
             esPhysicalOperationProviders(shardContexts),
             shardContexts
         );