Teach sal-remoterpc-connector to route actions

[controller.git] / opendaylight / md-sal / sal-remoterpc-connector / src / main / java / org / opendaylight / controller / remote / rpc / messages / ExecuteAction.java

diff --git a/opendaylight/md-sal/sal-remoterpc-connector/src/main/java/org/opendaylight/controller/remote/rpc/messages/ExecuteAction.java b/opendaylight/md-sal/sal-remoterpc-connector/src/main/java/org/opendaylight/controller/remote/rpc/messages/ExecuteAction.java
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+++ b/opendaylight/md-sal/sal-remoterpc-connector/src/main/java/org/opendaylight/controller/remote/rpc/messages/ExecuteAction.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2019 Nordix Foundation.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.remote.rpc.messages;
+
+import static com.google.common.base.Verify.verifyNotNull;
+import static java.util.Objects.requireNonNull;
+
+import com.google.common.base.MoreObjects.ToStringHelper;
+import java.io.Externalizable;
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.ObjectOutput;
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeDataInput;
+import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeDataOutput;
+import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeInputOutput;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
+import org.opendaylight.yangtools.yang.model.api.SchemaPath;
+
+public final class ExecuteAction extends AbstractExecute<@NonNull ContainerNode> {
+    private static final long serialVersionUID = 1128904894827335676L;
+
+    private final @NonNull DOMDataTreeIdentifier path;
+
+    private ExecuteAction(final @NonNull SchemaPath type, final @NonNull DOMDataTreeIdentifier path,
+            final @NonNull ContainerNode input) {
+        super(type, requireNonNull(input));
+        this.path = requireNonNull(path);
+    }
+
+    public static @NonNull ExecuteAction from(final @NonNull SchemaPath type, @NonNull final DOMDataTreeIdentifier path,
+            final @NonNull ContainerNode input) {
+        return new ExecuteAction(type, path, input);
+    }
+
+    public @NonNull DOMDataTreeIdentifier getPath() {
+        return path;
+    }
+
+    @Override
+    ToStringHelper addToStringAttributes(final ToStringHelper helper) {
+        return super.addToStringAttributes(helper.add("path", path));
+    }
+
+    @Override
+    Object writeReplace() {
+        return new Proxy(this);
+    }
+
+    private static final class Proxy implements Externalizable {
+        private static final long serialVersionUID = 1L;
+
+        private ExecuteAction executeAction;
+
+        // checkstyle flags the public modifier as redundant which really doesn't make sense since it clearly isn't
+        // redundant. It is explicitly needed for Java serialization to be able to create instances via reflection.
+        @SuppressWarnings("checkstyle:RedundantModifier")
+        public Proxy() {
+
+        }
+
+        Proxy(final ExecuteAction executeAction) {
+            this.executeAction = requireNonNull(executeAction);
+        }
+
+        @Override
+        public void writeExternal(final ObjectOutput out) throws IOException {
+            try (NormalizedNodeDataOutput stream = NormalizedNodeInputOutput.newDataOutput(out)) {
+                stream.writeSchemaPath(executeAction.getType());
+                // FIXME: deal with data store types?
+                stream.writeYangInstanceIdentifier(executeAction.getPath().getRootIdentifier());
+                stream.writeOptionalNormalizedNode(executeAction.getInput());
+            }
+        }
+
+        @Override
+        public void readExternal(final ObjectInput in) throws IOException {
+            final NormalizedNodeDataInput stream = NormalizedNodeInputOutput.newDataInput(in);
+            final SchemaPath name = stream.readSchemaPath();
+            final YangInstanceIdentifier path = stream.readYangInstanceIdentifier();
+            final ContainerNode input = (ContainerNode) stream.readOptionalNormalizedNode().orElse(null);
+
+            executeAction = new ExecuteAction(name, new DOMDataTreeIdentifier(LogicalDatastoreType.OPERATIONAL, path),
+                input);
+        }
+
+        private Object readResolve() {
+            return verifyNotNull(executeAction);
+        }
+    }
+}