BUG-2573: create DOMRpcRouter

[controller.git] / opendaylight / md-sal / sal-dom-broker / src / main / java / org / opendaylight / controller / md / sal / dom / broker / impl / RoutedDOMRpcRoutingTableEntry.java

diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/RoutedDOMRpcRoutingTableEntry.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/RoutedDOMRpcRoutingTableEntry.java
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index 0000000..e6df966
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+++ b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/RoutedDOMRpcRoutingTableEntry.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others.  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.md.sal.dom.broker.impl;
+
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.Futures;
+import java.util.List;
+import java.util.Map;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcIdentifier;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementation;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementationNotAvailableException;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
+import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+final class RoutedDOMRpcRoutingTableEntry extends AbstractDOMRpcRoutingTableEntry {
+    private static final Logger LOG = LoggerFactory.getLogger(RoutedDOMRpcRoutingTableEntry.class);
+    private final DOMRpcIdentifier globalRpcId;
+    private final YangInstanceIdentifier keyId;
+
+    private RoutedDOMRpcRoutingTableEntry(final DOMRpcIdentifier globalRpcId, final YangInstanceIdentifier keyId, final Map<YangInstanceIdentifier, List<DOMRpcImplementation>> impls) {
+        super(globalRpcId.getType(), impls);
+        this.keyId = Preconditions.checkNotNull(keyId);
+        this.globalRpcId = Preconditions.checkNotNull(globalRpcId);
+    }
+
+    RoutedDOMRpcRoutingTableEntry(final RpcDefinition def, final YangInstanceIdentifier keyId, final Map<YangInstanceIdentifier, List<DOMRpcImplementation>> impls) {
+        super(def.getPath(), impls);
+        this.keyId = Preconditions.checkNotNull(keyId);
+        this.globalRpcId = DOMRpcIdentifier.create(def.getPath());
+    }
+
+    @Override
+    protected CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(final NormalizedNode<?, ?> input) {
+        final Optional<NormalizedNode<?, ?>> maybeKey = NormalizedNodes.findNode(input, keyId);
+
+        // Routing key is present, attempt to deliver as a routed RPC
+        if (maybeKey.isPresent()) {
+            final NormalizedNode<?, ?> key = maybeKey.get();
+            final Object value = key.getValue();
+            if (value instanceof YangInstanceIdentifier) {
+                final YangInstanceIdentifier iid = (YangInstanceIdentifier) value;
+                final List<DOMRpcImplementation> impls = getImplementations(iid);
+                if (impls != null) {
+                    return impls.get(0).invokeRpc(DOMRpcIdentifier.create(getSchemaPath(), iid), input);
+                }
+                LOG.debug("No implementation for context {} found", iid);
+            } else {
+                LOG.warn("Ignoring wrong context value {}", value);
+            }
+        }
+
+        final List<DOMRpcImplementation> impls = getImplementations(null);
+        if (impls != null) {
+            return impls.get(0).invokeRpc(globalRpcId, input);
+        } else {
+            return Futures.<DOMRpcResult, DOMRpcException>immediateFailedCheckedFuture(new DOMRpcImplementationNotAvailableException("No implementation of RPC %s available", getSchemaPath()));
+        }
+    }
+
+    @Override
+    protected RoutedDOMRpcRoutingTableEntry newInstance(final Map<YangInstanceIdentifier, List<DOMRpcImplementation>> impls) {
+        return new RoutedDOMRpcRoutingTableEntry(globalRpcId, keyId, impls);
+    }
+}
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