Rename ResourcePath.Key to ResourceId for naming consistency
Change-Id: Idb34624f897b0fd5745f26758a007c171f4cd774
diff --git a/core/api/src/main/java/org/onosproject/net/newresource/ResourceId.java b/core/api/src/main/java/org/onosproject/net/newresource/ResourceId.java
new file mode 100644
index 0000000..f32579f
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/newresource/ResourceId.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * Licensed 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.onosproject.net.newresource;
+
+import com.google.common.annotations.Beta;
+import com.google.common.base.MoreObjects;
+import com.google.common.collect.ImmutableList;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.PortNumber;
+
+import java.util.Objects;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Represents identifier of resource.
+ * This class is exposed to public, but intended to use only in ResourceStore implementations.
+ */
+@Beta
+public final class ResourceId {
+ static final ResourceId ROOT = new ResourceId();
+
+ final ImmutableList<Object> components;
+
+ static ResourceId of(DeviceId device, Object... components) {
+ return new ResourceId(ImmutableList.builder()
+ .add(device)
+ .add(components)
+ .build());
+ }
+
+ static ResourceId of(DeviceId device, PortNumber port, Object... components) {
+ return new ResourceId(ImmutableList.builder()
+ .add(device)
+ .add(port)
+ .add(components)
+ .build());
+ }
+
+ private ResourceId(ImmutableList<Object> components) {
+ this.components = checkNotNull(components);
+ }
+
+ // for serializer
+ private ResourceId() {
+ this.components = ImmutableList.of();
+ }
+
+ // IndexOutOfBoundsException is raised when the instance is equal to ROOT
+ ResourceId parent() {
+ if (components.size() == 1) {
+ return ROOT;
+ } else {
+ return new ResourceId(components.subList(0, components.size() - 1));
+ }
+ }
+
+ ResourceId child(Object child) {
+ return new ResourceId(ImmutableList.builder()
+ .add(components)
+ .add(child)
+ .build());
+ }
+
+ @Override
+ public int hashCode() {
+ return components.hashCode();
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (!(obj instanceof ResourceId)) {
+ return false;
+ }
+
+ ResourceId other = (ResourceId) obj;
+ return Objects.equals(this.components, other.components);
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(this)
+ .add("components", components)
+ .toString();
+ }
+}