1 files changed, 84 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/intent/IntentUtils.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/intent/IntentUtils.java
new file mode 100644
index 00000000..f6e33b6b
--- /dev/null
+++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/intent/IntentUtils.java
@@ -0,0 +1,84 @@
+/*
+ * 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.net.intent;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Objects;
+
+/**
+ * Utilities for dealing with intents.
+ */
+public final class IntentUtils {
+
+    private static final Logger log = LoggerFactory.getLogger(IntentUtils.class);
+
+    private IntentUtils() {
+    }
+
+    /**
+     * Checks if two intents represent the same value.
+     *
+     * <p>({@link Intent#equals(Object)} only checks ID equality)</p>
+     *
+     * <p>Both intents must be of the same type.</p>
+     *
+     * @param one first intent
+     * @param two second intent
+     * @return true if the two intents represent the same value, otherwise false
+     */
+    public static boolean equals(Intent one, Intent two) {
+        if (one.getClass() != two.getClass()) {
+            return false;
+        }
+
+        if (!(Objects.equals(one.appId(), two.appId()) &&
+                Objects.equals(one.key(), two.key()))) {
+            return false;
+        }
+
+        if (one instanceof SinglePointToMultiPointIntent) {
+            SinglePointToMultiPointIntent intent1 = (SinglePointToMultiPointIntent) one;
+            SinglePointToMultiPointIntent intent2 = (SinglePointToMultiPointIntent) two;
+
+            return Objects.equals(intent1.selector(), intent2.selector()) &&
+                    Objects.equals(intent1.treatment(), intent2.treatment()) &&
+                    Objects.equals(intent1.ingressPoint(), intent2.ingressPoint()) &&
+                    Objects.equals(intent1.egressPoints(), intent2.egressPoints());
+        } else if (one instanceof MultiPointToSinglePointIntent) {
+            MultiPointToSinglePointIntent intent1 = (MultiPointToSinglePointIntent) one;
+            MultiPointToSinglePointIntent intent2 = (MultiPointToSinglePointIntent) two;
+
+            return Objects.equals(intent1.selector(), intent2.selector()) &&
+                    Objects.equals(intent1.treatment(), intent2.treatment()) &&
+                    Objects.equals(intent1.ingressPoints(), intent2.ingressPoints()) &&
+                    Objects.equals(intent1.egressPoint(), intent2.egressPoint());
+        } else if (one instanceof PointToPointIntent) {
+            PointToPointIntent intent1 = (PointToPointIntent) one;
+            PointToPointIntent intent2 = (PointToPointIntent) two;
+
+            return Objects.equals(intent1.selector(), intent2.selector()) &&
+                    Objects.equals(intent1.treatment(), intent2.treatment()) &&
+                    Objects.equals(intent1.ingressPoint(), intent2.ingressPoint()) &&
+                    Objects.equals(intent1.egressPoint(), intent2.egressPoint());
+        } else {
+            log.error("Unimplemented intent type");
+            return false;
+        }
+    }
+}