--- /dev/null
+/*
+ * 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.Preconditions;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableMap.Builder;
+import com.google.common.util.concurrent.CheckedFuture;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementation;
+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.model.api.SchemaPath;
+
+abstract class AbstractDOMRpcRoutingTableEntry {
+ private final Map<YangInstanceIdentifier, List<DOMRpcImplementation>> impls;
+ private final SchemaPath schemaPath;
+
+ protected AbstractDOMRpcRoutingTableEntry(final SchemaPath schemaPath, final Map<YangInstanceIdentifier, List<DOMRpcImplementation>> impls) {
+ this.schemaPath = Preconditions.checkNotNull(schemaPath);
+ this.impls = Preconditions.checkNotNull(impls);
+ }
+
+ protected final SchemaPath getSchemaPath() {
+ return schemaPath;
+ }
+
+ protected final List<DOMRpcImplementation> getImplementations(final YangInstanceIdentifier context) {
+ return impls.get(context);
+ }
+
+ final Map<YangInstanceIdentifier, List<DOMRpcImplementation>> getImplementations() {
+ return impls;
+ }
+
+ public boolean containsContext(final YangInstanceIdentifier contextReference) {
+ return impls.containsKey(contextReference);
+ }
+
+ final Set<YangInstanceIdentifier> registeredIdentifiers() {
+ return impls.keySet();
+ }
+
+ /**
+ *
+ * @param implementation
+ * @param newRpcs List of new RPCs, must be mutable
+ * @return
+ */
+ final AbstractDOMRpcRoutingTableEntry add(final DOMRpcImplementation implementation, final List<YangInstanceIdentifier> newRpcs) {
+ final Builder<YangInstanceIdentifier, List<DOMRpcImplementation>> vb = ImmutableMap.builder();
+ for (final Entry<YangInstanceIdentifier, List<DOMRpcImplementation>> ve : impls.entrySet()) {
+ if (newRpcs.remove(ve.getKey())) {
+ final ArrayList<DOMRpcImplementation> i = new ArrayList<>(ve.getValue().size() + 1);
+ i.addAll(ve.getValue());
+ i.add(implementation);
+ vb.put(ve.getKey(), i);
+ } else {
+ vb.put(ve);
+ }
+ }
+ for(final YangInstanceIdentifier ii : newRpcs) {
+ final ArrayList<DOMRpcImplementation> impl = new ArrayList<>(1);
+ impl.add(implementation);
+ vb.put(ii,impl);
+ }
+
+ return newInstance(vb.build());
+ }
+
+ final AbstractDOMRpcRoutingTableEntry remove(final DOMRpcImplementation implementation, final List<YangInstanceIdentifier> removed) {
+ final Builder<YangInstanceIdentifier, List<DOMRpcImplementation>> vb = ImmutableMap.builder();
+ for (final Entry<YangInstanceIdentifier, List<DOMRpcImplementation>> ve : impls.entrySet()) {
+ if (removed.remove(ve.getKey())) {
+ final ArrayList<DOMRpcImplementation> i = new ArrayList<>(ve.getValue());
+ i.remove(implementation);
+ // We could trimToSize(), but that may perform another copy just to get rid
+ // of a single element. That is probably not worth the trouble.
+ if (!i.isEmpty()) {
+ vb.put(ve.getKey(), i);
+ }
+ } else {
+ vb.put(ve);
+ }
+ }
+
+ final Map<YangInstanceIdentifier, List<DOMRpcImplementation>> v = vb.build();
+ return v.isEmpty() ? null : newInstance(v);
+ }
+
+ protected abstract CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(final NormalizedNode<?, ?> input);
+ protected abstract AbstractDOMRpcRoutingTableEntry newInstance(final Map<YangInstanceIdentifier, List<DOMRpcImplementation>> impls);
+}