Begin generating client implementations (#1052)

* Tweak client generation to extend from existing classes Signed-off-by: Thomas Farr <[email protected]> * Modify existing client classes to be abstract base classes Signed-off-by: Thomas Farr <[email protected]> * Re-run generator Signed-off-by: Thomas Farr <[email protected]> * ./gradlew spotlessApply Signed-off-by: Thomas Farr <[email protected]> --------- Signed-off-by: Thomas Farr <[email protected]>
opensearch-project · Jun 26, 2024 · dbde609 · dbde609
1 parent edcf6c1
commit dbde609
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diff --git a/java-client/src/generated/java/org/opensearch/client/opensearch/OpenSearchAsyncClient.java b/java-client/src/generated/java/org/opensearch/client/opensearch/OpenSearchAsyncClient.java
@@ -0,0 +1,72 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ */
+
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+//----------------------------------------------------
+// THIS CODE IS GENERATED. MANUAL EDITS WILL BE LOST.
+//----------------------------------------------------
+
+package org.opensearch.client.opensearch;
+
+import java.io.IOException;
+import java.util.concurrent.CompletableFuture;
+import javax.annotation.Generated;
+import javax.annotation.Nullable;
+import org.opensearch.client.opensearch._types.OpenSearchException;
+import org.opensearch.client.opensearch.core.InfoRequest;
+import org.opensearch.client.opensearch.core.InfoResponse;
+import org.opensearch.client.transport.OpenSearchTransport;
+import org.opensearch.client.transport.TransportOptions;
+
+@Generated("org.opensearch.client.codegen.CodeGenerator")
+public class OpenSearchAsyncClient extends OpenSearchAsyncClientBase<OpenSearchAsyncClient> {
+    public OpenSearchAsyncClient(OpenSearchTransport transport) {
+        super(transport, null);
+    }
+
+    public OpenSearchAsyncClient(OpenSearchTransport transport, @Nullable TransportOptions transportOptions) {
+        super(transport, transportOptions);
+    }
+
+    @Override
+    public OpenSearchAsyncClient withTransportOptions(@Nullable TransportOptions transportOptions) {
+        return new OpenSearchAsyncClient(this.transport, transportOptions);
+    }
+
+    // ----- Endpoint: info
+
+    /**
+     * Returns basic information about the cluster.
+     */
+    public CompletableFuture<InfoResponse> info() throws IOException, OpenSearchException {
+        return this.transport.performRequestAsync(InfoRequest._INSTANCE, InfoRequest._ENDPOINT, this.transportOptions);
+    }
+}
diff --git a/java-client/src/generated/java/org/opensearch/client/opensearch/OpenSearchClient.java b/java-client/src/generated/java/org/opensearch/client/opensearch/OpenSearchClient.java
@@ -0,0 +1,71 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * The OpenSearch Contributors require contributions made to
+ * this file be licensed under the Apache-2.0 license or a
+ * compatible open source license.
+ */
+
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/*
+ * Modifications Copyright OpenSearch Contributors. See
+ * GitHub history for details.
+ */
+
+//----------------------------------------------------
+// THIS CODE IS GENERATED. MANUAL EDITS WILL BE LOST.
+//----------------------------------------------------
+
+package org.opensearch.client.opensearch;
+
+import java.io.IOException;
+import javax.annotation.Generated;
+import javax.annotation.Nullable;
+import org.opensearch.client.opensearch._types.OpenSearchException;
+import org.opensearch.client.opensearch.core.InfoRequest;
+import org.opensearch.client.opensearch.core.InfoResponse;
+import org.opensearch.client.transport.OpenSearchTransport;
+import org.opensearch.client.transport.TransportOptions;
+
+@Generated("org.opensearch.client.codegen.CodeGenerator")
+public class OpenSearchClient extends OpenSearchClientBase<OpenSearchClient> {
+    public OpenSearchClient(OpenSearchTransport transport) {
+        super(transport, null);
+    }
+
+    public OpenSearchClient(OpenSearchTransport transport, @Nullable TransportOptions transportOptions) {
+        super(transport, transportOptions);
+    }
+
+    @Override
+    public OpenSearchClient withTransportOptions(@Nullable TransportOptions transportOptions) {
+        return new OpenSearchClient(this.transport, transportOptions);
+    }
+
+    // ----- Endpoint: info
+
+    /**
+     * Returns basic information about the cluster.
+     */
+    public InfoResponse info() throws IOException, OpenSearchException {
+        return this.transport.performRequest(InfoRequest._INSTANCE, InfoRequest._ENDPOINT, this.transportOptions);
+    }
+}
diff --git a/java-client/src/generated/java/org/opensearch/client/opensearch/core/InfoRequest.java b/java-client/src/generated/java/org/opensearch/client/opensearch/core/InfoRequest.java
@@ -42,7 +42,7 @@
 import org.opensearch.client.transport.Endpoint;
 import org.opensearch.client.transport.endpoints.SimpleEndpoint;
 
-// typedef: info.Request
+// typedef: _global.info.Request
 
 /**
  * Returns basic information about the cluster.

diff --git a/...ent/opensearch/OpenSearchAsyncClient.java → ...opensearch/OpenSearchAsyncClientBase.java b/...ent/opensearch/OpenSearchAsyncClient.java → ...opensearch/OpenSearchAsyncClientBase.java
@@ -75,8 +75,6 @@
 import org.opensearch.client.opensearch.core.GetSourceResponse;
 import org.opensearch.client.opensearch.core.IndexRequest;
 import org.opensearch.client.opensearch.core.IndexResponse;
-import org.opensearch.client.opensearch.core.InfoRequest;
-import org.opensearch.client.opensearch.core.InfoResponse;
 import org.opensearch.client.opensearch.core.MgetRequest;
 import org.opensearch.client.opensearch.core.MgetResponse;
 import org.opensearch.client.opensearch.core.MsearchRequest;
@@ -140,21 +138,12 @@
 /**
  * Client for the namespace.
  */
-public class OpenSearchAsyncClient extends ApiClient<OpenSearchTransport, OpenSearchAsyncClient> {
+public abstract class OpenSearchAsyncClientBase<Self extends OpenSearchAsyncClientBase<Self>> extends ApiClient<OpenSearchTransport, Self> {
 
-    public OpenSearchAsyncClient(OpenSearchTransport transport) {
-        super(transport, null);
-    }
-
-    public OpenSearchAsyncClient(OpenSearchTransport transport, @Nullable TransportOptions transportOptions) {
+    public OpenSearchAsyncClientBase(OpenSearchTransport transport, @Nullable TransportOptions transportOptions) {
         super(transport, transportOptions);
     }
 
-    @Override
-    public OpenSearchAsyncClient withTransportOptions(@Nullable TransportOptions transportOptions) {
-        return new OpenSearchAsyncClient(this.transport, transportOptions);
-    }
-
     // ----- Child clients
 
     public OpenSearchCatAsyncClient cat() {
@@ -897,17 +886,6 @@ public final <TDocument> CompletableFuture<IndexResponse> index(
         return index(fn.apply(new IndexRequest.Builder<TDocument>()).build());
     }
 
-    // ----- Endpoint: info
-
-    /**
-     * Returns basic information about the cluster.
-     *
-     *
-     */
-    public CompletableFuture<InfoResponse> info() throws IOException, OpenSearchException {
-        return this.transport.performRequestAsync(InfoRequest._INSTANCE, InfoRequest._ENDPOINT, this.transportOptions);
-    }
-
     // ----- Endpoint: list_point_in_time
 
     /**

diff --git a/...h/client/opensearch/OpenSearchClient.java → ...ient/opensearch/OpenSearchClientBase.java b/...h/client/opensearch/OpenSearchClient.java → ...ient/opensearch/OpenSearchClientBase.java
@@ -74,8 +74,6 @@
 import org.opensearch.client.opensearch.core.GetSourceResponse;
 import org.opensearch.client.opensearch.core.IndexRequest;
 import org.opensearch.client.opensearch.core.IndexResponse;
-import org.opensearch.client.opensearch.core.InfoRequest;
-import org.opensearch.client.opensearch.core.InfoResponse;
 import org.opensearch.client.opensearch.core.MgetRequest;
 import org.opensearch.client.opensearch.core.MgetResponse;
 import org.opensearch.client.opensearch.core.MsearchRequest;
@@ -140,21 +138,12 @@
 /**
  * Client for the namespace.
  */
-public class OpenSearchClient extends ApiClient<OpenSearchTransport, OpenSearchClient> {
+public abstract class OpenSearchClientBase<Self extends OpenSearchClientBase<Self>> extends ApiClient<OpenSearchTransport, Self> {
 
-    public OpenSearchClient(OpenSearchTransport transport) {
-        super(transport, null);
-    }
-
-    public OpenSearchClient(OpenSearchTransport transport, @Nullable TransportOptions transportOptions) {
+    public OpenSearchClientBase(OpenSearchTransport transport, @Nullable TransportOptions transportOptions) {
         super(transport, transportOptions);
     }
 
-    @Override
-    public OpenSearchClient withTransportOptions(@Nullable TransportOptions transportOptions) {
-        return new OpenSearchClient(this.transport, transportOptions);
-    }
-
     // ----- Child clients
     public OpenSearchGenericClient generic() {
         return new OpenSearchGenericClient(this.transport, this.transportOptions);
@@ -883,17 +872,6 @@ public final <TDocument> IndexResponse index(Function<IndexRequest.Builder<TDocu
         return index(fn.apply(new IndexRequest.Builder<TDocument>()).build());
     }
 
-    // ----- Endpoint: info
-
-    /**
-     * Returns basic information about the cluster.
-     *
-     *
-     */
-    public InfoResponse info() throws IOException, OpenSearchException {
-        return this.transport.performRequest(InfoRequest._INSTANCE, InfoRequest._ENDPOINT, this.transportOptions);
-    }
-
     // ----- Endpoint: list_point_in_time
 
     /**

diff --git a/java-codegen/src/main/java/org/opensearch/client/codegen/model/Namespace.java b/java-codegen/src/main/java/org/opensearch/client/codegen/model/Namespace.java
@@ -10,6 +10,7 @@
 
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 import java.util.TreeMap;
@@ -75,40 +76,83 @@ public void render(ShapeRenderingContext ctx) throws RenderException {
             shape.render(ctx);
         }
 
+        var operations = getOperationsForClient();
+
         if (operations.isEmpty()) return;
 
-        // TODO: Render clients when won't be partial and conflict with non-generated code
-        // new Client(this, false).render(outputDir, formatter);
-        // new Client(this, true).render(outputDir, formatter);
+        new Client(this, false, operations).render(ctx);
+        new Client(this, true, operations).render(ctx);
+    }
+
+    private Collection<RequestShape> getOperationsForClient() {
+        if ("core".equals(name)) return Collections.emptyList();
+        return ("".equals(name) ? child("core") : this).operations.values();
+    }
+
+    private String getClientClassName(boolean async, boolean base) {
+        return "OpenSearch" + Strings.toPascalCase(name) + (async ? "Async" : "") + "Client" + (base ? "Base" : "");
+    }
+
+    private Type getClientType(boolean async, boolean base) {
+        var type = Type.builder().pkg(getPackageName()).name(getClientClassName(async, base));
+        if (base) {
+            type.genericArgs(getClientType(async, false));
+        }
+        return type.build();
     }
 
     private static class Client extends Shape {
         private final boolean async;
+        private final Collection<RequestShape> operations;
 
-        private Client(Namespace parent, boolean async) {
-            super(parent, "OpenSearch" + Strings.toPascalCase(parent.name) + (async ? "Async" : "") + "Client", null, null);
+        private Client(Namespace parent, boolean async, Collection<RequestShape> operations) {
+            super(parent, parent.getClientClassName(async, false), null, null);
             this.async = async;
+            this.operations = operations;
         }
 
         @Override
         public Type getExtendsType() {
-            return Types.Client.ApiClient(Types.Client.Transport.OpenSearchTransport, getType());
+            switch (parent.name) {
+                case "":
+                    return parent.getClientType(async, true);
+                default:
+                    return Types.Client.ApiClient(Types.Client.Transport.OpenSearchTransport, getType());
+            }
         }
 
         public String getName() {
             return parent.name;
         }
 
-        public Collection<Client> getChildren() {
-            return Lists.filterMap(parent.children.values(), n -> !n.operations.isEmpty(), n -> new Client(n, async));
+        public Collection<ClientRef> getChildren() {
+            return Lists.filterMap(parent.children.values(), n -> !n.getOperationsForClient().isEmpty(), n -> new ClientRef(n, async));
         }
 
         public Collection<RequestShape> getOperations() {
-            return parent.operations.values();
+            return operations;
         }
 
         public boolean isAsync() {
             return this.async;
         }
+
+        private static class ClientRef {
+            private final Type type;
+            private final String name;
+
+            public ClientRef(Namespace namespace, boolean async) {
+                this.type = namespace.getClientType(async, false);
+                this.name = namespace.name;
+            }
+
+            public Type getType() {
+                return type;
+            }
+
+            public String getName() {
+                return name;
+            }
+        }
     }
 }
diff --git a/java-codegen/src/main/java/org/opensearch/client/codegen/model/OperationGroup.java b/java-codegen/src/main/java/org/opensearch/client/codegen/model/OperationGroup.java
@@ -36,7 +36,7 @@ public static OperationGroup from(@Nonnull String operationGroup) {
         return new OperationGroup(operationGroup.substring(0, index), operationGroup.substring(index + 1));
     }
 
-    private OperationGroup(@Nullable String namespace, @Nonnull String name) {
+    public OperationGroup(@Nullable String namespace, @Nonnull String name) {
         this.namespace = namespace;
         this.name = Strings.requireNonBlank(name, "name must not be blank");
     }
@@ -51,6 +51,11 @@ public String getName() {
         return name;
     }
 
+    @Nonnull
+    public String asTypedefPrefix() {
+        return (namespace == null ? "_global" : namespace) + "." + name;
+    }
+
     @Override
     public String toString() {
         return namespace == null ? name : namespace + "." + name;