ibessonov commented on a change in pull request #715:
URL: https://github.com/apache/ignite-3/pull/715#discussion_r824745755



##########
File path: 
modules/runner/src/main/java/org/apache/ignite/internal/app/IgniteImpl.java
##########
@@ -411,6 +413,12 @@ public void setBaseline(Set<String> baselineNodes) {
         }
     }
 
+    /** {@inheritDoc} */
+    @Override
+    public IgniteCompute compute() {
+        return new IgniteComputeImpl();

Review comment:
       I know that it's good enough for now, but why not field?

##########
File path: 
modules/compute-api/src/main/java/org/apache/ignite/compute/ComputeJob.java
##########
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF 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.
+ */
+
+package org.apache.ignite.compute;
+
+/**
+ * A Compute job that may be executed on an Ignite node (or a few nodes, or on 
the whole cluster).
+ *
+ * @param <R> job result type
+ */
+public interface ComputeJob<R> {
+    /**
+     * Executes the job on an Ignite node.
+     *
+     * @param context  context
+     * @param args     job arguments

Review comment:
       This javadoc will have to be expanded in the future, right? Currently, I 
don't understand supported argument types, for example

##########
File path: 
modules/compute/src/test/java/org/apache/ignite/internal/compute/IgniteComputeImplTest.java
##########
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF 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.
+ */
+
+package org.apache.ignite.internal.compute;
+
+import org.apache.ignite.compute.IgniteCompute;
+import org.junit.jupiter.api.Test;
+
+class IgniteComputeImplTest {

Review comment:
       Do we really need this test?

##########
File path: 
modules/compute-api/src/main/java/org/apache/ignite/compute/ComputeJob.java
##########
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF 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.
+ */
+
+package org.apache.ignite.compute;
+
+/**
+ * A Compute job that may be executed on an Ignite node (or a few nodes, or on 
the whole cluster).
+ *
+ * @param <R> job result type
+ */
+public interface ComputeJob<R> {

Review comment:
       Do we have serializability requirement right now? Just asking




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