ONOS-1479 -- GUI - augmenting topology view for extensibility: WIP.
Change-Id: I11820a9ff8f446c0d10a0311cee5ce448c15f402
diff --git a/core/api/src/main/java/org/onosproject/ui/topo/ButtonId.java b/core/api/src/main/java/org/onosproject/ui/topo/ButtonId.java
new file mode 100644
index 0000000..ca2eccc
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/ui/topo/ButtonId.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2015 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.ui.topo;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Designates the identity of a button on the topology view panels.
+ */
+public class ButtonId {
+
+ private final String id;
+
+ /**
+ * Creates a button ID with the given identifier.
+ *
+ * @param id identifier for the button
+ */
+ public ButtonId(String id) {
+ this.id = id;
+ }
+
+ /**
+ * Returns the identifier for this button.
+ *
+ * @return identifier
+ */
+ public String id() {
+ return id;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("id", id()).toString();
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+
+ ButtonId that = (ButtonId) o;
+ return id.equals(that.id);
+ }
+
+ @Override
+ public int hashCode() {
+ return id.hashCode();
+ }
+}